TC
/
arozos-mirror
şunun yansıması https://github.com/tobychui/arozos


			
				
					
						
						
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							<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>SQLite Admin</title>
    <link rel="stylesheet" href="../script/semantic/semantic.min.css">
    <link rel="stylesheet" href="../script/ao.css">
    <script src="../script/jquery.min.js"></script>
    <script src="../script/ao_module.js"></script>
    <script src="../script/semantic/semantic.min.js"></script>
    <style>
        :root {
            --accent:   #4a6cf7;
            --accent-h: #3557e0;
            --sidebar:  #1e2233;
            --side-txt: #c8cfdf;
            --side-muted: #6b7490;
            --bg:       #f4f6fb;
            --surface:  #ffffff;
            --border:   #e2e6f0;
            --text:     #1a1f36;
            --muted:    #6b7a99;
            --danger:   #e84444;
            --success:  #2ecc71;
            --null-col: #a0a8bf;
            --pk-col:   #f0f4ff;
            --row-hover:#f7f9ff;
        }
        * { box-sizing: border-box; }
        body {
            margin: 0; padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            font-size: 13px;
            background: var(--bg);
            color: var(--text);
            height: 100vh;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        /* ── Toolbar ─────────────────────────────────────── */
        #toolbar {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 14px;
            height: 44px;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            flex-shrink: 0;
        }
        #toolbar .logo {
            display: flex; align-items: center; gap: 7px;
            font-weight: 700; font-size: 14px; color: var(--text);
        }
        #toolbar .logo svg { opacity: .85; }
        #toolbar .db-path {
            flex: 1;
            font-size: 12px; color: var(--muted);
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
            padding: 0 8px;
        }
        #toolbar button {
            padding: 5px 12px;
            border-radius: 6px; border: 1px solid var(--border);
            background: var(--surface); color: var(--text);
            cursor: pointer; font-size: 12px; font-weight: 500;
            transition: background .15s;
        }
        #toolbar button:hover { background: var(--bg); }
        #toolbar button.primary {
            background: var(--accent); color: #fff; border-color: var(--accent);
        }
        #toolbar button.primary:hover { background: var(--accent-h); }

        /* ── Layout ──────────────────────────────────────── */
        #layout {
            display: flex;
            flex: 1;
            overflow: hidden;
        }

        /* ── Sidebar ─────────────────────────────────────── */
        #sidebar {
            width: 200px;
            flex-shrink: 0;
            background: var(--sidebar);
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }
        #sidebar-header {
            padding: 12px 14px 8px;
            font-size: 10px;
            font-weight: 700;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: var(--side-muted);
            border-bottom: 1px solid rgba(255,255,255,.06);
        }
        #table-list {
            flex: 1;
            overflow-y: auto;
            padding: 6px 0;
        }
        #table-list::-webkit-scrollbar { width: 4px; }
        #table-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 2px; }
        .table-item {
            display: flex; align-items: center; gap: 7px;
            padding: 7px 14px;
            color: var(--side-txt);
            cursor: pointer;
            border-radius: 0;
            transition: background .12s;
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
        }
        .table-item:hover { background: rgba(255,255,255,.07); }
        .table-item.active {
            background: var(--accent);
            color: #fff;
        }
        .table-item svg { flex-shrink: 0; opacity: .7; }
        .table-item.active svg { opacity: 1; }
        .table-item .tbl-name { flex: 1; overflow: hidden; text-overflow: ellipsis; }
        .tbl-drop-btn {
            display: none;
            flex-shrink: 0;
            background: none; border: none; padding: 2px 4px;
            color: rgba(255,255,255,.45); cursor: pointer; border-radius: 3px;
            line-height: 1; font-size: 13px;
            transition: color .12s, background .12s;
        }
        .table-item:hover .tbl-drop-btn { display: flex; align-items: center; }
        .tbl-drop-btn:hover { color: #ff7070; background: rgba(255,100,100,.15); }
        .table-item.active .tbl-drop-btn { color: rgba(255,255,255,.5); }
        .table-item.active .tbl-drop-btn:hover { color: #fff; background: rgba(255,255,255,.2); }
        #sidebar-empty {
            padding: 20px 14px;
            color: var(--side-muted);
            font-size: 12px;
            line-height: 1.5;
        }

        /* ── Main content ────────────────────────────────── */
        #content {
            flex: 1;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            background: var(--bg);
        }

        /* ── Tab bar ─────────────────────────────────────── */
        #tab-bar {
            display: flex;
            align-items: center;
            padding: 0 16px;
            gap: 2px;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            flex-shrink: 0;
            height: 40px;
        }
        .tab-btn {
            padding: 6px 14px;
            border: none; background: none;
            cursor: pointer; font-size: 12px; font-weight: 500;
            color: var(--muted);
            border-bottom: 2px solid transparent;
            margin-bottom: -1px;
            transition: color .12s, border-color .12s;
        }
        .tab-btn:hover { color: var(--text); }
        .tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
        #tab-title {
            margin-left: auto;
            font-size: 12px; color: var(--muted);
        }

        /* ── Tab panels ──────────────────────────────────── */
        .tab-panel {
            display: none;
            flex: 1;
            overflow: hidden;
            flex-direction: column;
        }
        .tab-panel.visible { display: flex; }

        /* ── Welcome screen ──────────────────────────────── */
        #welcome {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--muted);
            gap: 12px;
        }
        #welcome svg { opacity: .25; }
        #welcome h2 { margin: 0; font-size: 18px; font-weight: 600; color: var(--muted); }
        #welcome p  { margin: 0; font-size: 13px; }

        /* ── Browse tab ──────────────────────────────────── */
        #browse-toolbar {
            display: flex; align-items: center; gap: 8px;
            padding: 10px 16px;
            flex-shrink: 0;
        }
        #browse-toolbar .row-count {
            font-size: 12px; color: var(--muted);
            margin-right: auto;
        }
        #browse-toolbar button {
            padding: 5px 11px;
            border-radius: 6px; border: 1px solid var(--border);
            background: var(--surface); color: var(--text);
            cursor: pointer; font-size: 12px; font-weight: 500;
            transition: background .12s;
        }
        #browse-toolbar button:hover { background: var(--bg); }
        #browse-toolbar button.primary {
            background: var(--accent); color: #fff; border-color: var(--accent);
        }
        #browse-toolbar button.primary:hover { background: var(--accent-h); }

        #table-wrapper {
            flex: 1;
            overflow: auto;
            padding: 0 16px;
        }
        #table-wrapper::-webkit-scrollbar { width: 6px; height: 6px; }
        #table-wrapper::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

        table.data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 12px;
            background: var(--surface);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0,0,0,.06);
        }
        table.data-table thead th {
            background: #f8f9fc;
            padding: 9px 12px;
            text-align: left;
            font-weight: 600;
            color: var(--muted);
            font-size: 11px;
            letter-spacing: .04em;
            text-transform: uppercase;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
            user-select: none;
        }
        table.data-table thead th.sortable {
            cursor: pointer;
        }
        table.data-table thead th.sortable:hover { color: var(--text); }
        table.data-table thead th.sort-active { color: var(--accent); }
        .sort-icon { margin-left: 4px; font-style: normal; opacity: .6; }
        th.sort-active .sort-icon { opacity: 1; }
        table.data-table thead th.pk { background: var(--pk-col); }
        #browse-toolbar select.limit-select {
            padding: 5px 8px;
            border-radius: 6px; border: 1px solid var(--border);
            background: var(--surface); color: var(--text);
            cursor: pointer; font-size: 12px;
        }
        table.data-table thead th.actions { width: 90px; text-align: center; }
        table.data-table tbody tr { border-bottom: 1px solid var(--border); }
        table.data-table tbody tr:last-child { border-bottom: none; }
        table.data-table tbody tr:hover { background: var(--row-hover); }
        table.data-table td {
            padding: 8px 12px;
            max-width: 260px;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
            vertical-align: middle;
        }
        table.data-table td.pk { background: var(--pk-col); font-weight: 600; }
        table.data-table td .null { color: var(--null-col); font-style: italic; }
        table.data-table td.actions {
            text-align: center; white-space: nowrap; padding: 4px 8px;
        }
        .btn-edit, .btn-del {
            padding: 3px 8px;
            border-radius: 4px; border: 1px solid var(--border);
            cursor: pointer; font-size: 11px; font-weight: 500;
            background: var(--surface);
            transition: background .12s;
        }
        .btn-edit:hover { background: var(--bg); color: var(--accent); border-color: var(--accent); }
        .btn-del  { color: var(--danger); }
        .btn-del:hover  { background: #fff0f0; border-color: var(--danger); }

        #pagination {
            display: flex; align-items: center; justify-content: center;
            gap: 6px; padding: 12px 16px;
            flex-shrink: 0;
        }
        .page-btn {
            padding: 4px 10px;
            border-radius: 5px; border: 1px solid var(--border);
            background: var(--surface); color: var(--text);
            cursor: pointer; font-size: 12px;
            transition: background .12s;
        }
        .page-btn:hover:not(:disabled) { background: var(--bg); }
        .page-btn:disabled { opacity: .4; cursor: default; }
        .page-btn.current { background: var(--accent); color: #fff; border-color: var(--accent); }
        #page-info { font-size: 12px; color: var(--muted); padding: 0 4px; }

        /* ── Structure tab ───────────────────────────────── */
        #structure-wrap {
            flex: 1; overflow: auto; padding: 16px;
        }
        table.schema-table {
            width: 100%; border-collapse: collapse;
            font-size: 12px;
            background: var(--surface);
            border-radius: 8px; overflow: hidden;
            box-shadow: 0 1px 3px rgba(0,0,0,.06);
        }
        table.schema-table thead th {
            background: #f8f9fc; padding: 9px 14px;
            text-align: left; font-weight: 600; color: var(--muted);
            font-size: 11px; letter-spacing: .04em; text-transform: uppercase;
            border-bottom: 1px solid var(--border);
        }
        table.schema-table tbody tr { border-bottom: 1px solid var(--border); }
        table.schema-table tbody tr:last-child { border-bottom: none; }
        table.schema-table td { padding: 9px 14px; vertical-align: middle; }
        .badge {
            display: inline-block; padding: 2px 6px;
            border-radius: 3px; font-size: 10px; font-weight: 600;
            letter-spacing: .04em; text-transform: uppercase;
        }
        .badge-pk  { background: #e8eeff; color: var(--accent); }
        .badge-nn  { background: #fff3e0; color: #e67e22; }
        .badge-type { background: #f0f4ff; color: #5566aa; }

        /* ── SQL Editor tab ──────────────────────────────── */
        #sql-wrap {
            flex: 1; display: flex; flex-direction: column;
            padding: 14px 16px; gap: 10px; overflow: hidden;
        }
        #sql-editor {
            flex: 0 0 140px;
            resize: vertical;
            border: 1px solid var(--border);
            border-radius: 7px;
            padding: 10px 12px;
            font-family: "Fira Code", "Cascadia Code", "Consolas", monospace;
            font-size: 12.5px;
            line-height: 1.6;
            background: var(--surface);
            color: var(--text);
            outline: none;
            transition: border-color .15s;
            min-height: 80px;
            max-height: 300px;
        }
        #sql-editor:focus { border-color: var(--accent); }
        #sql-exec-bar {
            display: flex; align-items: center; gap: 8px; flex-shrink: 0;
        }
        #sql-exec-bar button {
            padding: 6px 16px;
            border-radius: 6px; border: none;
            background: var(--accent); color: #fff;
            cursor: pointer; font-size: 12px; font-weight: 600;
            transition: background .12s;
        }
        #sql-exec-bar button:hover { background: var(--accent-h); }
        #sql-exec-bar .hint { font-size: 11px; color: var(--muted); }
        #sql-results {
            flex: 1; overflow: auto; border-radius: 7px;
            border: 1px solid var(--border);
            background: var(--surface);
        }
        #sql-results::-webkit-scrollbar { width: 6px; height: 6px; }
        #sql-results::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
        .sql-error {
            padding: 12px 14px;
            color: var(--danger);
            font-family: monospace; font-size: 12px; line-height: 1.5;
            background: #fff5f5; border-radius: 7px;
        }
        .sql-ok-msg {
            padding: 12px 14px;
            color: var(--success); font-size: 12px;
        }

        /* ── Modal ───────────────────────────────────────── */
        #modal-overlay {
            display: none;
            position: fixed; inset: 0;
            background: rgba(0,0,0,.45);
            z-index: 900;
            align-items: center; justify-content: center;
        }
        #modal-overlay.open { display: flex; }
        .modal-box {
            background: var(--surface);
            border-radius: 10px;
            padding: 22px 24px;
            width: 400px; max-width: 95vw;
            max-height: 85vh; overflow-y: auto;
            box-shadow: 0 12px 40px rgba(0,0,0,.2);
        }
        .modal-box h3 { margin: 0 0 16px; font-size: 15px; font-weight: 700; }
        .modal-field { margin-bottom: 12px; }
        .modal-field label {
            display: block; font-size: 11px; font-weight: 600;
            color: var(--muted); margin-bottom: 4px;
            text-transform: uppercase; letter-spacing: .04em;
        }
        .modal-field input, .modal-field textarea {
            width: 100%; padding: 7px 10px;
            border: 1px solid var(--border); border-radius: 6px;
            font-size: 13px; background: var(--bg);
            color: var(--text); outline: none;
            transition: border-color .15s;
        }
        .modal-field input:focus, .modal-field textarea:focus {
            border-color: var(--accent); background: var(--surface);
        }
        .modal-field .pk-note { font-size: 11px; color: var(--muted); margin-top: 3px; }
        .modal-actions {
            display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px;
        }
        .modal-actions button {
            padding: 7px 16px; border-radius: 6px; border: 1px solid var(--border);
            cursor: pointer; font-size: 12px; font-weight: 600;
            transition: background .12s;
        }
        .modal-actions .btn-cancel { background: var(--surface); color: var(--text); }
        .modal-actions .btn-cancel:hover { background: var(--bg); }
        .modal-actions .btn-save {
            background: var(--accent); color: #fff; border-color: var(--accent);
        }
        .modal-actions .btn-save:hover { background: var(--accent-h); }
        .modal-actions .btn-danger {
            background: var(--danger); color: #fff; border-color: var(--danger);
        }

        /* ── Loading spinner ─────────────────────────────── */
        .spinner {
            display: inline-block; width: 16px; height: 16px;
            border: 2px solid var(--border); border-top-color: var(--accent);
            border-radius: 50%; animation: spin .6s linear infinite;
        }
        @keyframes spin { to { transform: rotate(360deg); } }
        #loading-overlay {
            display: none; position: absolute; inset: 0;
            background: rgba(244,246,251,.6);
            align-items: center; justify-content: center;
            z-index: 50;
        }
        #loading-overlay.show { display: flex; }
        #content { position: relative; }

        /* ── Notification toast ──────────────────────────── */
        #toast {
            position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
            background: #1e2233; color: #fff;
            padding: 9px 18px; border-radius: 7px;
            font-size: 12px; font-weight: 500;
            opacity: 0; pointer-events: none;
            transition: opacity .2s;
            z-index: 999;
        }
        #toast.show { opacity: 1; }
        #toast.error { background: var(--danger); }

        /* ── SQLite-unavailable banner ───────────────────── */
        #not-supported-banner {
            display: none;
            margin: 0 0 12px 0;
            padding: 12px 16px;
            background: #fff3cd; color: #7d5800;
            border: 1px solid #ffc107;
            border-radius: 8px;
            font-size: 13px;
            line-height: 1.5;
            text-align: center;
        }
        #not-supported-banner.show { display: block; }
        #not-supported-banner strong { display: block; margin-bottom: 4px; font-size: 14px; }
    </style>
</head>
<body>

<!-- Toolbar -->
<div id="toolbar">
    <div class="logo">
        <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="#4a6cf7" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
            <ellipse cx="12" cy="5" rx="9" ry="3"/>
            <path d="M21 12c0 1.657-4.03 3-9 3s-9-1.343-9-3"/>
            <path d="M3 5v14c0 1.657 4.03 3 9 3s9-1.343 9-3V5"/>
        </svg>
        SQLite Admin
    </div>
    <span id="db-path-label" class="db-path">No database selected</span>
    <button id="btn-open-db" class="primary">Open Database&hellip;</button>
</div>

<!-- Layout -->
<div id="layout">

    <!-- Sidebar -->
    <div id="sidebar">
        <div id="sidebar-header">Tables</div>
        <div id="table-list">
            <div id="sidebar-empty">Open a <code>.sqlite</code> file to begin.</div>
        </div>
    </div>

    <!-- Content -->
    <div id="content">
        <div id="loading-overlay"><div class="spinner"></div></div>

        <!-- Welcome screen (shown before any DB is open) -->
        <div id="welcome">
            <div id="not-supported-banner">
                <strong>SQLite not available on this platform</strong>
                The SQLite library could not be loaded on this server. This feature requires a platform supported by the SQLite backend (linux/amd64, linux/arm64, darwin, windows/amd64, windows/arm64, and others). OpenWRT (linux/mipsle) and other embedded targets are not supported.
            </div>
            <svg width="72" height="72" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">
                <ellipse cx="12" cy="5" rx="9" ry="3"/>
                <path d="M21 12c0 1.657-4.03 3-9 3s-9-1.343-9-3"/>
                <path d="M3 5v14c0 1.657 4.03 3 9 3s9-1.343 9-3V5"/>
            </svg>
            <h2>SQLite Admin</h2>
            <p>Click <strong>Open Database&hellip;</strong> to select a <code>.sqlite</code> file.</p>
        </div>

        <!-- Main area (hidden until DB is open) -->
        <div id="main-area" style="display:none; flex-direction:column; flex:1; overflow:hidden;">

            <!-- Tab bar -->
            <div id="tab-bar">
                <button class="tab-btn active" data-tab="browse">Browse</button>
                <button class="tab-btn" data-tab="structure">Structure</button>
                <button class="tab-btn" data-tab="sql">SQL Editor</button>
                <span id="tab-title"></span>
            </div>

            <!-- Browse panel -->
            <div id="tab-browse" class="tab-panel visible">
                <div id="browse-toolbar">
                    <span id="row-count" class="row-count"></span>
                    <select id="limit-select" class="limit-select" title="Rows per page">
                        <option value="25">25 rows</option>
                        <option value="50" selected>50 rows</option>
                        <option value="100">100 rows</option>
                        <option value="200">200 rows</option>
                    </select>
                    <button id="btn-refresh">&#8635; Refresh</button>
                    <button id="btn-add-row" class="primary">+ Add Row</button>
                </div>
                <div id="table-wrapper">
                    <div id="browse-placeholder" style="padding:40px;text-align:center;color:var(--muted);">
                        Select a table from the sidebar.
                    </div>
                    <table id="data-table" class="data-table" style="display:none;">
                        <thead id="data-thead"></thead>
                        <tbody id="data-tbody"></tbody>
                    </table>
                </div>
                <div id="pagination"></div>
            </div>

            <!-- Structure panel -->
            <div id="tab-structure" class="tab-panel">
                <div id="structure-wrap">
                    <div id="structure-placeholder" style="padding:40px;text-align:center;color:var(--muted);">
                        Select a table from the sidebar.
                    </div>
                    <table id="schema-table" class="schema-table" style="display:none;">
                        <thead>
                            <tr>
                                <th>#</th>
                                <th>Column</th>
                                <th>Type</th>
                                <th>Flags</th>
                                <th>Default</th>
                            </tr>
                        </thead>
                        <tbody id="schema-tbody"></tbody>
                    </table>
                </div>
            </div>

            <!-- SQL Editor panel -->
            <div id="tab-sql" class="tab-panel">
                <div id="sql-wrap">
                    <textarea id="sql-editor" placeholder="Enter SQL statements…&#10;&#10;Examples:&#10;  SELECT * FROM tablename LIMIT 10;&#10;  CREATE TABLE test (id INTEGER PRIMARY KEY, val TEXT);&#10;  INSERT INTO test VALUES (1, 'hello');"></textarea>
                    <div id="sql-exec-bar">
                        <button id="btn-exec-sql">&#9654; Execute</button>
                        <span class="hint">Ctrl+Enter to run &bull; SELECT returns rows &bull; Other statements return row count</span>
                    </div>
                    <div id="sql-results"></div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Edit / Insert Modal -->
<div id="modal-overlay">
    <div class="modal-box">
        <h3 id="modal-title">Edit Row</h3>
        <div id="modal-fields"></div>
        <div class="modal-actions">
            <button class="btn-cancel" id="modal-cancel">Cancel</button>
            <button class="btn-save" id="modal-save">Save</button>
        </div>
    </div>
</div>

<!-- Confirm Dialog (shared for row delete and table drop) -->
<div id="confirm-overlay" style="display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:900;align-items:center;justify-content:center;">
    <div class="modal-box" style="width:360px;">
        <h3 id="confirm-title">Delete Row</h3>
        <p id="confirm-body" style="font-size:13px;color:var(--muted);margin:0 0 16px;">Are you sure you want to delete this row? This action cannot be undone.</p>
        <div class="modal-actions">
            <button class="btn-cancel" id="del-cancel">Cancel</button>
            <button class="btn-danger" id="del-confirm">Delete</button>
        </div>
    </div>
</div>

<!-- Toast -->
<div id="toast"></div>

<script>
// ─── State ────────────────────────────────────────────────────────────────────
var App = {
    db:             null,   // current db virtual path
    table:          null,   // current table name
    schema:         [],     // current table schema (array of col info)
    page:           1,
    limit:          50,
    total:          0,
    sortCol:        null,   // active sort column name or null
    sortDir:        'ASC',  // 'ASC' or 'DESC'
    pendingDelete:  null,   // {pkCol, pkVal}
    pendingDrop:    null,   // table name to drop
    pendingEditRow: null    // row data for modal
};

// ─── Utilities ────────────────────────────────────────────────────────────────
function toast(msg, isError) {
    var el = document.getElementById('toast');
    el.textContent = msg;
    el.className = 'show' + (isError ? ' error' : '');
    clearTimeout(el._t);
    el._t = setTimeout(function() { el.className = ''; }, 2800);
}

function loading(on) {
    document.getElementById('loading-overlay').className = on ? 'show' : '';
}

function api(params, cb) {
    ao_module_agirun("SQLite Admin/backend/api.agi", params, function(raw) {
        try {
            var data = (typeof raw === 'string') ? JSON.parse(raw) : raw;
            cb(null, data);
        } catch(e) {
            cb(e, null);
        }
    }, function(xhr) {
        cb(new Error("Request failed: " + xhr.status), null);
    });
}

// Probe SQLite availability on load; show banner and disable open button if unsupported
(function checkSQLiteAvailability() {
    api({action: 'available'}, function(err, data) {
        var unavailable = (err) ||
                          (data && data.error &&
                           data.error.indexOf('not available') !== -1);
        if (unavailable) {
            document.getElementById('not-supported-banner').classList.add('show');
            document.getElementById('btn-open-db').disabled = true;
            document.getElementById('btn-open-db').title =
                'SQLite is not supported on this platform';
        }
    });
}());

function escapeHtml(s) {
    if (s === null || s === undefined) return '';
    return String(s)
        .replace(/&/g,'&amp;').replace(/</g,'&lt;')
        .replace(/>/g,'&gt;').replace(/"/g,'&quot;');
}

function pkCol() {
    for (var i = 0; i < App.schema.length; i++) {
        if (App.schema[i].pk > 0) return App.schema[i].name;
    }
    // fallback: use rowid or first column
    return App.schema.length > 0 ? App.schema[0].name : null;
}

// ─── Database open ────────────────────────────────────────────────────────────
// Named global so virtual-desktop mode can locate the callback by name
window.onSQLiteFileSelected = function(files) {
    if (!files || files.length === 0) return;
    var vpath = files[0].filepath || files[0];
    openDatabase(vpath);
};

document.getElementById('btn-open-db').addEventListener('click', function() {
    ao_module_openFileSelector(
        window.onSQLiteFileSelected,
        "user:/", "file", false,
        {filter: ["sqlite", "sqlite3", "db"], fnameOverride: "onSQLiteFileSelected"}
    );
});

function openDatabase(vpath) {
    loading(true);
    api({action: 'tables', db: vpath}, function(err, data) {
        loading(false);
        if (err || data.error) {
            toast(err ? err.message : data.error, true);
            return;
        }
        App.db    = vpath;
        App.table = null;
        App.page  = 1;

        document.getElementById('db-path-label').textContent = vpath;
        document.getElementById('welcome').style.display = 'none';
        document.getElementById('main-area').style.display = 'flex';
        renderTableList(data.tables);

        // Auto-select first table
        if (data.tables && data.tables.length > 0) {
            selectTable(data.tables[0]);
        }
    });
}

// ─── Table list ───────────────────────────────────────────────────────────────
function renderTableList(tables) {
    var list = document.getElementById('table-list');
    list.innerHTML = '';
    if (!tables || tables.length === 0) {
        list.innerHTML = '<div id="sidebar-empty">Database has no tables.</div>';
        return;
    }
    tables.forEach(function(name) {
        var isInternal = name.indexOf('sqlite_') === 0;
        var item = document.createElement('div');
        item.className = 'table-item';
        item.dataset.table = name;
        var dropBtnHtml = isInternal ? '' :
            '<button class="tbl-drop-btn" title="Drop table">' +
            '<svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">' +
            '<polyline points="3 6 5 6 21 6"/><path d="M19 6l-1 14H6L5 6"/>' +
            '<path d="M10 11v6"/><path d="M14 11v6"/>' +
            '<path d="M9 6V4h6v2"/>' +
            '</svg>' +
            '</button>';
        item.innerHTML =
            '<svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">' +
            '<rect x="3" y="3" width="18" height="18" rx="2"/>' +
            '<line x1="3" y1="9" x2="21" y2="9"/>' +
            '<line x1="3" y1="15" x2="21" y2="15"/>' +
            '<line x1="9" y1="3" x2="9" y2="21"/>' +
            '</svg>' +
            '<span class="tbl-name">' + escapeHtml(name) + '</span>' +
            dropBtnHtml;

        item.addEventListener('click', function(e) {
            if (e.target.closest('.tbl-drop-btn')) return;
            selectTable(name);
        });
        if (!isInternal) {
            item.querySelector('.tbl-drop-btn').addEventListener('click', function(e) {
                e.stopPropagation();
                openDropTableConfirm(name);
            });
        }
        list.appendChild(item);
    });
}

function selectTable(name) {
    App.table   = name;
    App.page    = 1;
    App.sortCol = null;
    App.sortDir = 'ASC';

    // Highlight sidebar item
    document.querySelectorAll('.table-item').forEach(function(el) {
        el.classList.toggle('active', el.dataset.table === name);
    });

    document.getElementById('tab-title').textContent = name;

    var activeTab = document.querySelector('.tab-btn.active');
    var tab = activeTab ? activeTab.dataset.tab : 'browse';

    if (tab === 'browse')     loadBrowse();
    else if (tab === 'structure') loadStructure();
}

// ─── Tab switching ────────────────────────────────────────────────────────────
document.querySelectorAll('.tab-btn').forEach(function(btn) {
    btn.addEventListener('click', function() {
        document.querySelectorAll('.tab-btn').forEach(function(b) { b.classList.remove('active'); });
        btn.classList.add('active');
        var tab = btn.dataset.tab;
        document.querySelectorAll('.tab-panel').forEach(function(p) { p.classList.remove('visible'); });
        document.getElementById('tab-' + tab).classList.add('visible');

        if (!App.table) return;
        if (tab === 'browse')     loadBrowse();
        else if (tab === 'structure') loadStructure();
    });
});

// ─── Browse ───────────────────────────────────────────────────────────────────
document.getElementById('btn-refresh').addEventListener('click', function() {
    if (App.table) loadBrowse();
});

document.getElementById('limit-select').addEventListener('change', function() {
    App.limit = parseInt(this.value) || 50;
    App.page  = 1;
    if (App.table) loadBrowse();
});

function loadBrowse() {
    if (!App.db || !App.table) return;
    loading(true);
    var params = {
        action: 'query', db: App.db,
        table: App.table, page: App.page, limit: App.limit
    };
    if (App.sortCol) {
        params.sort_col = App.sortCol;
        params.sort_dir = App.sortDir;
    }
    api(params, function(err, data) {
        loading(false);
        if (err || data.error) { toast(err ? err.message : data.error, true); return; }
        App.total  = data.total;
        App.schema = data.schema || [];
        renderTable(data.rows, data.schema);
        renderPagination(data.page, data.total, data.limit);
        document.getElementById('row-count').textContent =
            data.total + ' row' + (data.total === 1 ? '' : 's') + ' total';
    });
}

function renderTable(rows, schema) {
    var placeholder = document.getElementById('browse-placeholder');
    var table       = document.getElementById('data-table');
    var thead       = document.getElementById('data-thead');
    var tbody       = document.getElementById('data-tbody');

    if (!rows || rows.length === 0 && (!schema || schema.length === 0)) {
        placeholder.textContent = 'No data in this table.';
        placeholder.style.display = '';
        table.style.display = 'none';
        return;
    }
    placeholder.style.display = 'none';
    table.style.display = '';

    // Column order from schema
    var cols = schema.map(function(c) { return c.name; });
    var pkName = pkColFromSchema(schema);

    // Header
    thead.innerHTML = '';
    var hr = document.createElement('tr');
    cols.forEach(function(c) {
        var th = document.createElement('th');
        var classes = ['sortable'];
        if (c === pkName) classes.push('pk');
        if (c === App.sortCol) classes.push('sort-active');
        th.className = classes.join(' ');

        var label = document.createElement('span');
        label.textContent = c;
        th.appendChild(label);

        var icon = document.createElement('i');
        icon.className = 'sort-icon';
        if (c === App.sortCol) {
            icon.textContent = App.sortDir === 'DESC' ? '▼' : '▲';
        } else {
            icon.textContent = '⇅';
        }
        th.appendChild(icon);

        (function(col) {
            th.addEventListener('click', function() {
                if (App.sortCol === col) {
                    App.sortDir = App.sortDir === 'ASC' ? 'DESC' : 'ASC';
                } else {
                    App.sortCol = col;
                    App.sortDir = 'ASC';
                }
                App.page = 1;
                loadBrowse();
            });
        })(c);

        hr.appendChild(th);
    });
    var thAct = document.createElement('th');
    thAct.className = 'actions';
    thAct.textContent = 'Actions';
    hr.appendChild(thAct);
    thead.appendChild(hr);

    // Rows
    tbody.innerHTML = '';
    rows.forEach(function(row) {
        var tr = document.createElement('tr');
        cols.forEach(function(c) {
            var td  = document.createElement('td');
            var val = row[c];
            if (val === null || val === undefined) {
                td.innerHTML = '<span class="null">NULL</span>';
            } else {
                td.textContent = String(val);
                td.title = String(val);
            }
            if (c === pkName) td.className = 'pk';
            tr.appendChild(td);
        });

        // Actions
        var tdAct = document.createElement('td');
        tdAct.className = 'actions';
        var pkVal = pkName ? row[pkName] : null;

        var editBtn = document.createElement('button');
        editBtn.className = 'btn-edit';
        editBtn.textContent = 'Edit';
        editBtn.addEventListener('click', (function(r) {
            return function() { openEditModal(r, schema, pkName); };
        })(row));

        var delBtn = document.createElement('button');
        delBtn.className = 'btn-del';
        delBtn.textContent = 'Del';
        delBtn.addEventListener('click', (function(pv) {
            return function() { openDeleteConfirm(pkName, pv); };
        })(pkVal));

        tdAct.appendChild(editBtn);
        tdAct.appendChild(document.createTextNode(' '));
        tdAct.appendChild(delBtn);
        tr.appendChild(tdAct);
        tbody.appendChild(tr);
    });
}

function pkColFromSchema(schema) {
    if (!schema) return null;
    for (var i = 0; i < schema.length; i++) {
        if (schema[i].pk > 0) return schema[i].name;
    }
    return schema.length > 0 ? schema[0].name : null;
}

// ─── Pagination ───────────────────────────────────────────────────────────────
function renderPagination(page, total, limit) {
    var pages = Math.max(1, Math.ceil(total / limit));
    var el = document.getElementById('pagination');
    el.innerHTML = '';
    if (pages <= 1) return;

    var prev = document.createElement('button');
    prev.className = 'page-btn';
    prev.textContent = '‹ Prev';
    prev.disabled = (page <= 1);
    prev.addEventListener('click', function() { App.page = page - 1; loadBrowse(); });
    el.appendChild(prev);

    var start = Math.max(1, page - 2);
    var end   = Math.min(pages, start + 4);
    start = Math.max(1, end - 4);

    for (var p = start; p <= end; p++) {
        var pb = document.createElement('button');
        pb.className = 'page-btn' + (p === page ? ' current' : '');
        pb.textContent = p;
        (function(pp) {
            pb.addEventListener('click', function() { App.page = pp; loadBrowse(); });
        })(p);
        el.appendChild(pb);
    }

    var info = document.createElement('span');
    info.id = 'page-info';
    info.textContent = 'of ' + pages;
    el.appendChild(info);

    var next = document.createElement('button');
    next.className = 'page-btn';
    next.textContent = 'Next ›';
    next.disabled = (page >= pages);
    next.addEventListener('click', function() { App.page = page + 1; loadBrowse(); });
    el.appendChild(next);
}

// ─── Structure ────────────────────────────────────────────────────────────────
function loadStructure() {
    if (!App.db || !App.table) return;
    loading(true);
    api({action: 'schema', db: App.db, table: App.table}, function(err, data) {
        loading(false);
        if (err || data.error) { toast(err ? err.message : data.error, true); return; }
        renderStructure(data.schema);
    });
}

function renderStructure(schema) {
    var placeholder = document.getElementById('structure-placeholder');
    var table       = document.getElementById('schema-table');
    var tbody       = document.getElementById('schema-tbody');

    if (!schema || schema.length === 0) {
        placeholder.textContent = 'No schema information.';
        placeholder.style.display = '';
        table.style.display = 'none';
        return;
    }
    placeholder.style.display = 'none';
    table.style.display = '';
    tbody.innerHTML = '';

    schema.forEach(function(col) {
        var tr = document.createElement('tr');
        var badges = '';
        if (col.pk > 0)      badges += '<span class="badge badge-pk">PK</span> ';
        if (col.notnull > 0) badges += '<span class="badge badge-nn">NOT NULL</span> ';
        var dflt = (col.dflt_value !== null && col.dflt_value !== undefined)
                    ? escapeHtml(String(col.dflt_value))
                    : '<span style="color:var(--null-col);font-style:italic">NULL</span>';
        tr.innerHTML =
            '<td style="color:var(--muted);font-size:11px;">' + col.cid + '</td>' +
            '<td><strong>' + escapeHtml(col.name) + '</strong></td>' +
            '<td><span class="badge badge-type">' + escapeHtml(col.type || 'ANY') + '</span></td>' +
            '<td>' + badges + '</td>' +
            '<td style="font-size:12px;">' + dflt + '</td>';
        tbody.appendChild(tr);
    });
}

// ─── Add Row ──────────────────────────────────────────────────────────────────
document.getElementById('btn-add-row').addEventListener('click', function() {
    if (!App.table) { toast('Select a table first.', true); return; }
    openInsertModal(App.schema);
});

function openInsertModal(schema) {
    App.pendingEditRow = null;
    document.getElementById('modal-title').textContent = 'Add Row — ' + App.table;
    var fields = document.getElementById('modal-fields');
    fields.innerHTML = '';

    schema.forEach(function(col) {
        var div = document.createElement('div');
        div.className = 'modal-field';
        var label = document.createElement('label');
        label.textContent = col.name;
        if (col.pk > 0) {
            label.textContent += ' (PK)';
        }
        var input = document.createElement('input');
        input.type = 'text';
        input.name = col.name;
        input.placeholder = col.type || '';
        if (col.pk > 0 && col.type && col.type.toUpperCase().indexOf('INTEGER') >= 0) {
            input.placeholder = 'auto-increment';
        }
        div.appendChild(label);
        div.appendChild(input);
        fields.appendChild(div);
    });

    document.getElementById('modal-save').onclick = doInsert;
    openModal();
}

function doInsert() {
    var inputs = document.querySelectorAll('#modal-fields input');
    var row = {};
    inputs.forEach(function(inp) {
        if (inp.value !== '') row[inp.name] = inp.value;
    });
    if (Object.keys(row).length === 0) { toast('Enter at least one value.', true); return; }
    loading(true);
    api({action: 'insert', db: App.db, table: App.table, row: JSON.stringify(row)},
    function(err, data) {
        loading(false);
        closeModal();
        if (err || data.error) { toast(err ? err.message : data.error, true); return; }
        toast('Row inserted.');
        loadBrowse();
    });
}

// ─── Edit Row ─────────────────────────────────────────────────────────────────
function openEditModal(row, schema, pkName) {
    App.pendingEditRow = {row: row, pkName: pkName};
    document.getElementById('modal-title').textContent = 'Edit Row — ' + App.table;
    var fields = document.getElementById('modal-fields');
    fields.innerHTML = '';

    schema.forEach(function(col) {
        var div = document.createElement('div');
        div.className = 'modal-field';
        var label = document.createElement('label');
        label.textContent = col.name;
        if (col.pk > 0) label.textContent += ' (PK)';
        var input = document.createElement('input');
        input.type = 'text';
        input.name = col.name;
        var val = row[col.name];
        input.value = (val !== null && val !== undefined) ? String(val) : '';
        if (col.pk > 0) {
            input.readOnly = true;
            input.style.opacity = '.6';
            var note = document.createElement('div');
            note.className = 'pk-note';
            note.textContent = 'Primary key — read-only';
            div.appendChild(label);
            div.appendChild(input);
            div.appendChild(note);
        } else {
            div.appendChild(label);
            div.appendChild(input);
        }
        fields.appendChild(div);
    });

    document.getElementById('modal-save').onclick = doUpdate;
    openModal();
}

function doUpdate() {
    if (!App.pendingEditRow) return;
    var pkName = App.pendingEditRow.pkName;
    var pkVal  = App.pendingEditRow.row[pkName];
    var inputs = document.querySelectorAll('#modal-fields input:not([readonly])');
    var promises = [];

    inputs.forEach(function(inp) {
        promises.push({col: inp.name, val: inp.value});
    });

    if (promises.length === 0) { closeModal(); return; }

    var done = 0;
    var errors = [];
    loading(true);

    function finish() {
        done++;
        if (done === promises.length) {
            loading(false);
            closeModal();
            if (errors.length > 0) toast(errors[0], true);
            else { toast('Row updated.'); loadBrowse(); }
        }
    }

    promises.forEach(function(p) {
        api({action: 'update', db: App.db, table: App.table,
             pk_col: pkName, pk_val: pkVal, col: p.col, val: p.val},
        function(err, data) {
            if (err || data.error) errors.push(err ? err.message : data.error);
            finish();
        });
    });
}

// ─── Delete Row ───────────────────────────────────────────────────────────────
function openDeleteConfirm(pkCol, pkVal) {
    if (!pkCol || pkVal === null || pkVal === undefined) {
        toast('Cannot identify row to delete (no primary key).', true);
        return;
    }
    App.pendingDelete = {pkCol: pkCol, pkVal: pkVal};
    App.pendingDrop   = null;
    document.getElementById('confirm-title').textContent = 'Delete Row';
    document.getElementById('confirm-body').textContent  =
        'Are you sure you want to delete this row? This action cannot be undone.';
    document.getElementById('del-confirm').textContent = 'Delete';
    document.getElementById('confirm-overlay').style.display = 'flex';
}

function openDropTableConfirm(tableName) {
    App.pendingDrop   = tableName;
    App.pendingDelete = null;
    document.getElementById('confirm-title').textContent = 'Drop Table';
    document.getElementById('confirm-body').innerHTML =
        'Are you sure you want to drop <strong>' + escapeHtml(tableName) + '</strong>? ' +
        'All data in this table will be permanently deleted and cannot be recovered.';
    document.getElementById('del-confirm').textContent = 'Drop Table';
    document.getElementById('confirm-overlay').style.display = 'flex';
}

function closeConfirm() {
    App.pendingDelete = null;
    App.pendingDrop   = null;
    document.getElementById('confirm-overlay').style.display = 'none';
}

document.getElementById('del-cancel').addEventListener('click', closeConfirm);

document.getElementById('del-confirm').addEventListener('click', function() {
    if (App.pendingDrop) {
        var tbl = App.pendingDrop;
        closeConfirm();
        loading(true);
        api({action: 'droptable', db: App.db, table: tbl}, function(err, data) {
            loading(false);
            if (err || data.error) { toast(err ? err.message : data.error, true); return; }
            toast('Table "' + tbl + '" dropped.');
            // Clear selection if the dropped table was active
            if (App.table === tbl) {
                App.table = null;
                document.getElementById('tab-title').textContent = '';
                document.getElementById('data-table').style.display = 'none';
                document.getElementById('browse-placeholder').textContent = 'Select a table from the sidebar.';
                document.getElementById('browse-placeholder').style.display = '';
                document.getElementById('pagination').innerHTML = '';
                document.getElementById('row-count').textContent = '';
            }
            // Refresh sidebar table list
            api({action: 'tables', db: App.db}, function(err2, d2) {
                if (!err2 && !d2.error) renderTableList(d2.tables);
            });
        });
    } else if (App.pendingDelete) {
        var d = App.pendingDelete;
        closeConfirm();
        loading(true);
        api({action: 'delete', db: App.db, table: App.table,
             pk_col: d.pkCol, pk_val: d.pkVal},
        function(err, data) {
            loading(false);
            if (err || data.error) { toast(err ? err.message : data.error, true); return; }
            toast('Row deleted.');
            loadBrowse();
        });
    }
});

// ─── SQL Editor ───────────────────────────────────────────────────────────────
document.getElementById('btn-exec-sql').addEventListener('click', executeSql);
document.getElementById('sql-editor').addEventListener('keydown', function(e) {
    if ((e.ctrlKey || e.metaKey) && e.key === 'Enter') { e.preventDefault(); executeSql(); }
});

function executeSql() {
    var sql = document.getElementById('sql-editor').value.trim();
    if (!sql || !App.db) return;
    loading(true);
    api({action: 'exec', db: App.db, sql: sql}, function(err, data) {
        loading(false);
        var out = document.getElementById('sql-results');
        if (err) {
            out.innerHTML = '<div class="sql-error">Error: ' + escapeHtml(err.message) + '</div>';
            return;
        }
        if (data.error) {
            out.innerHTML = '<div class="sql-error">Error: ' + escapeHtml(data.error) + '</div>';
            return;
        }
        if (data.rows && data.rows.length > 0) {
            renderSqlResultTable(data.rows, out);
        } else if (data.result) {
            out.innerHTML = '<div class="sql-ok-msg">✓ OK — ' +
                data.result.rowsAffected + ' row(s) affected, last insert ID: ' +
                data.result.lastInsertId + '</div>';
            // Refresh table list and current table if schema might have changed
            refreshAfterExec(sql);
        } else {
            out.innerHTML = '<div class="sql-ok-msg">✓ Query executed, no rows returned.</div>';
            refreshAfterExec(sql);
        }
    });
}

function renderSqlResultTable(rows, container) {
    if (!rows || rows.length === 0) {
        container.innerHTML = '<div class="sql-ok-msg">No rows returned.</div>';
        return;
    }
    var cols = Object.keys(rows[0]);
    var html = '<table class="data-table" style="margin:0;border-radius:0;box-shadow:none;">';
    html += '<thead><tr>' + cols.map(function(c) {
        return '<th>' + escapeHtml(c) + '</th>';
    }).join('') + '</tr></thead><tbody>';
    rows.forEach(function(row) {
        html += '<tr>' + cols.map(function(c) {
            var v = row[c];
            if (v === null || v === undefined) return '<td><span class="null">NULL</span></td>';
            return '<td title="' + escapeHtml(String(v)) + '">' + escapeHtml(String(v)) + '</td>';
        }).join('') + '</tr>';
    });
    html += '</tbody></table>';
    container.innerHTML = html;
}

function refreshAfterExec(sql) {
    var upper = sql.trim().toUpperCase();
    // Reload table list if DDL was likely executed
    if (upper.indexOf('CREATE') === 0 || upper.indexOf('DROP') === 0 ||
        upper.indexOf('ALTER') === 0) {
        api({action: 'tables', db: App.db}, function(err, data) {
            if (!err && !data.error) renderTableList(data.tables);
        });
    }
    // Refresh current browse view if a table is selected
    if (App.table) loadBrowse();
}

// ─── Modal helpers ────────────────────────────────────────────────────────────
function openModal() {
    document.getElementById('modal-overlay').classList.add('open');
    var first = document.querySelector('#modal-fields input');
    if (first) setTimeout(function() { first.focus(); }, 50);
}
function closeModal() {
    document.getElementById('modal-overlay').classList.remove('open');
}
document.getElementById('modal-cancel').addEventListener('click', closeModal);
document.getElementById('modal-overlay').addEventListener('click', function(e) {
    if (e.target === this) closeModal();
});
document.getElementById('confirm-overlay').addEventListener('click', function(e) {
    if (e.target === this) closeConfirm();
});
</script>
</body>
</html>