Add visual query builder with table/column picker and SQL generator

app/routes/queries.py

@@ -152,6 +152,67 @@ async def query_delete(query_id: int, user: dict = Depends(get_current_user)):
     return RedirectResponse("/queries", status_code=302)␍␍
 ␍␍
 ␍␍
+@router.post("/esquema")␍
+async def obtener_esquema(user: dict = Depends(get_current_user)):␍
+    from app.services.firebird_service import FirebirdService␍
+    conn = get_connection()␍
+    configs = {row["key"]: row["value"] for row in conn.execute("SELECT * FROM config").fetchall()}␍
+    conn.close()␍
+␍
+    fb = FirebirdService()␍
+    fb_success, fb_msg = fb.connect(␍
+        configs.get("firebird_host", "localhost"),␍
+        int(configs.get("firebird_port", 3050)),␍
+        configs.get("firebird_database", ""),␍
+        configs.get("firebird_user", "SYSDBA"),␍
+        configs.get("firebird_password", "masterkey"),␍
+    )␍
+    if not fb_success:␍
+        return JSONResponse({"error": f"Error Firebird: {fb_msg}"}, status_code=400)␍
+␍
+    success, fb_err, tablas = fb.execute_query("""␍
+        SELECT RDB$RELATION_NAME as nombre␍
+        FROM RDB$RELATIONS␍
+        WHERE RDB$SYSTEM_FLAG = 0␍
+          AND RDB$RELATION_NAME NOT LIKE 'RDB$%'␍
+        ORDER BY 1␍
+    """, {})␍
+␍
+    if not success:␍
+        fb.disconnect()␍
+        return JSONResponse({"error": fb_err}, status_code=400)␍
+␍
+    resultado = []␍
+    for t in tablas:␍
+        nombre = t["NOMBRE"].strip()␍
+        ok, err, cols = fb.execute_query("""␍
+            SELECT␍
+                rf.RDB$FIELD_NAME as COLUMN_NAME,␍
+                f.RDB$FIELD_TYPE as FIELD_TYPE,␍
+                f.RDB$FIELD_LENGTH as FIELD_LENGTH␍
+            FROM RDB$RELATION_FIELDS rf␍
+            JOIN RDB$FIELDS f ON rf.RDB$FIELD_SOURCE = f.RDB$FIELD_NAME␍
+            WHERE rf.RDB$RELATION_NAME = :tabla␍
+            ORDER BY rf.RDB$FIELD_POSITION␍
+        """, {"tabla": nombre})␍
+        columnas = []␍
+        if ok:␍
+            for c in cols:␍
+                tiponum = c["FIELD_TYPE"]␍
+                tipos = {7: "SMALLINT", 8: "INTEGER", 10: "FLOAT", 12: "DATE", 13: "TIME",␍
+                         14: "CHAR", 16: "BIGINT", 27: "DOUBLE", 35: "TIMESTAMP", 37: "VARCHAR",␍
+                         40: "BLOB", 45: "BLOB_ID", 261: "BLOB"}␍
+                columnas.append({␍
+                    "nombre": c["COLUMN_NAME"].strip(),␍
+                    "tipo": tipos.get(tiponum, f"UNKNOWN({tiponum})"),␍
+                    "longitud": c["FIELD_LENGTH"]␍
+                })␍
+        resultado.append({"tabla": nombre, "columnas": columnas})␍
+␍
+    fb.disconnect()␍
+    return JSONResponse({"tablas": resultado})␍
+␍
+␍
 @router.post("/tablas")␍␍
 async def listar_tablas(user: dict = Depends(get_current_user)):␍␍
     from app.services.firebird_service import FirebirdService␍␍

app/templates/queries.html

@@ -2,13 +2,19 @@
 {% block title %}Consultas SQL{% endblock %}
 {% block header %}Consultas SQL{% endblock %}
 {% block content %}
+
+<div class="flex space-x-2 mb-4">
+    <button onclick="mostrarEditor()" class="px-4 py-2 rounded-lg text-sm font-medium bg-blue-600 text-white" id="btn-editor"><i class="fas fa-code mr-1"></i> Editor SQL</button>
+    <button onclick="mostrarBuilder()" class="px-4 py-2 rounded-lg text-sm font-medium bg-gray-200 text-gray-700 hover:bg-gray-300" id="btn-builder"><i class="fas fa-wrench mr-1"></i> Constructor Visual</button>
+</div>
+
+<div id="panel-editor">
 <div class="grid grid-cols-1 lg:grid-cols-3 gap-6">
     <div class="lg:col-span-1">
         <div class="bg-white rounded-xl shadow-sm border border-gray-200">
             <div class="px-6 py-4 border-b border-gray-200 flex items-center justify-between">
                 <h3 class="font-semibold text-gray-800"><i class="fas fa-list mr-2 text-blue-500"></i>Mis Consultas</h3>
-                <button onclick="document.getElementById('modal-new-query').classList.remove('hidden')"␍
+                <button onclick="document.getElementById('modal-new-query').classList.remove('hidden')" class="text-blue-600 hover:text-blue-800"><i class="fas fa-plus"></i></button>
-                    class="text-blue-600 hover:text-blue-800"><i class="fas fa-plus"></i></button>␍
             </div>
             <div class="p-4 space-y-2">
                 {% for q in queries %}
@@ -16,15 +22,11 @@
                     <div onclick="editQuery({{ q.id }}, '{{ q.name }}', '{{ q.query_type }}', `{{ q.query_text|e }}`, `{{ q.description|e }}`)" class="cursor-pointer">
                         <div class="flex items-center justify-between">
                             <span class="font-medium text-sm text-gray-800">{{ q.name }}</span>
-                            <span class="px-2 py-0.5 rounded text-xs font-medium {% if q.query_type == 'terceros' %}bg-blue-100 text-blue-700{% else %}bg-purple-100 text-purple-700{% endif %}">␍
+                            <span class="px-2 py-0.5 rounded text-xs font-medium {% if q.query_type == 'terceros' %}bg-blue-100 text-blue-700{% else %}bg-purple-100 text-purple-700{% endif %}">{{ q.query_type }}</span>
-                                {{ q.query_type }}␍
-                            </span>␍
                         </div>
                         <p class="text-xs text-gray-500 mt-1 truncate">{{ q.description or 'Sin descripción' }}</p>
                     </div>
-                    <button onclick="ejecutarTest(this, {{ q.id }})" class="mt-2 text-xs text-green-600 hover:text-green-800">␍
+                    <button onclick="ejecutarTest(this, {{ q.id }})" class="mt-2 text-xs text-green-600 hover:text-green-800"><i class="fas fa-play mr-1"></i> Probar</button>
-                        <i class="fas fa-play mr-1"></i> Probar␍
-                    </button>␍
                 </div>
                 {% endfor %}
             </div>
@@ -42,13 +44,11 @@
                     <div class="grid grid-cols-2 gap-4">
                         <div>
                             <label class="block text-sm font-medium text-gray-700 mb-1">Nombre</label>
-                            <input type="text" name="name" id="q_name" required␍
+                            <input type="text" name="name" id="q_name" required class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm" placeholder="Nombre descriptivo">
-                                class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm" placeholder="Nombre descriptivo">␍
                         </div>
                         <div>
                             <label class="block text-sm font-medium text-gray-700 mb-1">Tipo</label>
-                            <select name="query_type" id="q_type"␍
+                            <select name="query_type" id="q_type" class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm">
-                                class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm">␍
                                 <option value="terceros">Terceros (datos paciente)</option>
                                 <option value="transaccion">Transacción (procedimientos)</option>
                             </select>
@@ -56,25 +56,15 @@
                     </div>
                     <div>
                         <label class="block text-sm font-medium text-gray-700 mb-1">Consulta SQL</label>
-                        <textarea name="query_text" id="q_text" rows="10" required␍
+                        <textarea name="query_text" id="q_text" rows="10" required class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm font-mono bg-gray-50" placeholder="SELECT ... FROM ... WHERE ..."></textarea>
-                            class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm font-mono bg-gray-50"␍
-                            placeholder="SELECT ... FROM ... WHERE ..."></textarea>␍
                     </div>
                     <div>
                         <label class="block text-sm font-medium text-gray-700 mb-1">Descripción</label>
-                        <input type="text" name="description" id="q_desc"␍
+                        <input type="text" name="description" id="q_desc" class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm" placeholder="¿Qué hace esta consulta?">
-                            class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm"␍
-                            placeholder="¿Qué hace esta consulta?">␍
                     </div>
                     <div class="flex space-x-3">
-                        <button type="submit"␍
+                        <button type="submit" class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg text-sm font-medium"><i class="fas fa-save mr-1"></i> Guardar</button>
-                            class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg text-sm font-medium">␍
+                        <button type="button" onclick="cancelEdit()" class="px-4 py-2 bg-gray-100 text-gray-700 rounded-lg text-sm font-medium hover:bg-gray-200 hidden" id="btn-cancel"><i class="fas fa-times mr-1"></i> Cancelar</button>
-                            <i class="fas fa-save mr-1"></i> Guardar␍
-                        </button>␍
-                        <button type="button" onclick="cancelEdit()"␍
-                            class="px-4 py-2 bg-gray-100 text-gray-700 rounded-lg text-sm font-medium hover:bg-gray-200 hidden" id="btn-cancel">␍
-                            <i class="fas fa-times mr-1"></i> Cancelar␍
-                        </button>␍
                     </div>
                 </form>
             </div>
@@ -87,15 +77,272 @@
                 <code class="bg-blue-100 px-1 rounded">:factura</code> para filtro por factura,
                 <code class="bg-blue-100 px-1 rounded">:fecha_ini</code> y <code class="bg-blue-100 px-1 rounded">:fecha_fin</code> para rango de fechas.
             </p>
-            <button onclick="listarTablas(this)" class="mt-3 px-3 py-1.5 bg-green-600 hover:bg-green-700 text-white text-xs rounded-lg">␍
+            <button onclick="listarTablas(this)" class="mt-3 px-3 py-1.5 bg-green-600 hover:bg-green-700 text-white text-xs rounded-lg"><i class="fas fa-table mr-1"></i> Ver tablas disponibles</button>
-                <i class="fas fa-table mr-1"></i> Ver tablas disponibles␍
-            </button>␍
             <div id="tablas-list" class="mt-2 hidden"></div>
         </div>
     </div>
 </div>
+</div>
 
-    <script>␍
+<div id="panel-builder" class="hidden">
+<div class="bg-white rounded-xl shadow-sm border border-gray-200">
+    <div class="px-6 py-4 border-b border-gray-200 flex items-center justify-between">
+        <h3 class="font-semibold text-gray-800"><i class="fas fa-wrench mr-2 text-blue-500"></i>Constructor Visual de Consultas</h3>
+        <button onclick="cargarEsquema()" class="px-3 py-1.5 bg-green-600 hover:bg-green-700 text-white text-xs rounded-lg"><i class="fas fa-sync mr-1"></i> Cargar esquema</button>
+    </div>
+    <div class="p-6">
+        <div class="grid grid-cols-1 lg:grid-cols-3 gap-6">
+            <div class="lg:col-span-1">
+                <h4 class="text-sm font-semibold text-gray-700 mb-2"><i class="fas fa-table mr-1"></i> Tablas</h4>
+                <div id="builder-tablas" class="space-y-1 max-h-96 overflow-y-auto border rounded-lg p-2 bg-gray-50 text-xs">
+                    <p class="text-gray-400 italic">Presiona "Cargar esquema"</p>
+                </div>
+            </div>
+            <div class="lg:col-span-2">
+                <h4 class="text-sm font-semibold text-gray-700 mb-2">Columnas seleccionadas</h4>
+                <div id="builder-columnas" class="border rounded-lg p-3 bg-gray-50 min-h-[80px] text-xs mb-4">
+                    <p class="text-gray-400 italic">Seleccioná tablas y columnas</p>
+                </div>
+
+                <h4 class="text-sm font-semibold text-gray-700 mb-2">Filtros (WHERE)</h4>
+                <div id="builder-where" class="space-y-2 mb-4"></div>
+                <button onclick="agregarFiltro()" class="text-xs text-blue-600 hover:text-blue-800"><i class="fas fa-plus mr-1"></i> Agregar filtro</button>
+
+                <div class="mt-4">
+                    <h4 class="text-sm font-semibold text-gray-700 mb-2">SQL Generado</h4>
+                    <textarea id="builder-sql" rows="6" readonly class="w-full px-3 py-2 border border-gray-300 rounded-lg text-xs font-mono bg-gray-100"></textarea>
+                    <p id="builder-params" class="text-xs text-blue-600 mt-1"></p>
+                    <div class="flex space-x-2 mt-2">
+                        <button onclick="usarSql()" class="px-3 py-1.5 bg-blue-600 hover:bg-blue-700 text-white text-xs rounded-lg"><i class="fas fa-arrow-right mr-1"></i> Usar en editor</button>
+                        <button onclick="copiarSql()" class="px-3 py-1.5 bg-gray-200 hover:bg-gray-300 text-gray-700 text-xs rounded-lg"><i class="fas fa-copy mr-1"></i> Copiar</button>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+</div>
+
+<script>
+let esquema = [];
+let tablasSeleccionadas = {};
+let filtros = [];
+let aliasCounter = 0;
+
+function mostrarEditor() {
+    document.getElementById('panel-editor').classList.remove('hidden');
+    document.getElementById('panel-builder').classList.add('hidden');
+    document.getElementById('btn-editor').className = 'px-4 py-2 rounded-lg text-sm font-medium bg-blue-600 text-white';
+    document.getElementById('btn-builder').className = 'px-4 py-2 rounded-lg text-sm font-medium bg-gray-200 text-gray-700 hover:bg-gray-300';
+}
+function mostrarBuilder() {
+    document.getElementById('panel-editor').classList.add('hidden');
+    document.getElementById('panel-builder').classList.remove('hidden');
+    document.getElementById('btn-editor').className = 'px-4 py-2 rounded-lg text-sm font-medium bg-gray-200 text-gray-700 hover:bg-gray-300';
+    document.getElementById('btn-builder').className = 'px-4 py-2 rounded-lg text-sm font-medium bg-blue-600 text-white';
+    if (!esquema.length) cargarEsquema();
+}
+
+async function cargarEsquema() {
+    const btn = document.querySelector('#panel-builder .bg-green-600');
+    btn.disabled = true; btn.innerHTML = '<i class="fas fa-spinner fa-spin mr-1"></i> Cargando...';
+    try {
+        const resp = await fetch('/queries/esquema', { method: 'POST' });
+        const data = await resp.json();
+        if (data.error) { showToast(data.error, 'error'); return; }
+        esquema = data.tablas;
+        renderizarTablas();
+    } catch(e) { showToast('Error: ' + e.message, 'error'); }
+    finally { btn.disabled = false; btn.innerHTML = '<i class="fas fa-sync mr-1"></i> Cargar esquema'; }
+}
+
+function renderizarTablas() {
+    const div = document.getElementById('builder-tablas');
+    div.innerHTML = '';
+    esquema.forEach(t => {
+        const id = 'tab-' + t.tabla.replace(/[^a-zA-Z0-9]/g, '_');
+        const checked = tablasSeleccionadas[t.tabla] ? 'checked' : '';
+        const card = document.createElement('div');
+        card.className = 'border rounded p-2 ' + (checked ? 'border-blue-300 bg-blue-50' : 'border-gray-200 bg-white');
+        card.innerHTML = `
+            <label class="flex items-center space-x-2 cursor-pointer">
+                <input type="checkbox" ${checked} onchange="toggleTabla('${t.tabla}', this.checked)" class="rounded">
+                <span class="font-medium text-sm">${t.tabla}</span>
+                <span class="text-gray-400">(${t.columnas.length} cols)</span>
+            </label>
+            <div id="${id}" class="ml-5 mt-1 ${checked ? '' : 'hidden'}">${renderizarColumnas(t.tabla, t.columnas)}</div>`;
+        div.appendChild(card);
+    });
+    actualizarVista();
+}
+
+function renderizarColumnas(tabla, columnas) {
+    let html = '';
+    columnas.forEach(c => {
+        const key = tabla + '.' + c.nombre;
+        const sel = tablasSeleccionadas[tabla]?.columnas?.[c.nombre] ? 'checked' : '';
+        html += `<label class="flex items-center space-x-1 py-0.5 cursor-pointer hover:bg-blue-100 px-1 rounded">
+            <input type="checkbox" ${sel} onchange="toggleColumna('${tabla}','${c.nombre}',this.checked)" class="rounded">
+            <span>${c.nombre}</span>
+            <span class="text-gray-400 ml-1">(${c.tipo}${c.longitud ? ','+c.longitud : ''})</span>
+        </label>`;
+    });
+    return html;
+}
+
+function toggleTabla(tabla, checked) {
+    if (checked) {
+        tablasSeleccionadas[tabla] = { alias: 't' + (++aliasCounter), columnas: {} };
+    } else {
+        delete tablasSeleccionadas[tabla];
+    }
+    renderizarTablas();
+    actualizarVista();
+}
+
+function toggleColumna(tabla, columna, checked) {
+    if (!tablasSeleccionadas[tabla]) return;
+    if (checked) tablasSeleccionadas[tabla].columnas[columna] = true;
+    else delete tablasSeleccionadas[tabla].columnas[columna];
+    renderizarTablas();
+    actualizarVista();
+}
+
+function agregarFiltro() {
+    filtros.push({ tabla: '', campo: '', operador: '=', parametro: '', condicion: 'AND' });
+    renderizarFiltros();
+    actualizarVista();
+}
+
+function renderizarFiltros() {
+    const div = document.getElementById('builder-where');
+    div.innerHTML = '';
+    if (!filtros.length) {
+        div.innerHTML = '<p class="text-xs text-gray-400 italic">Sin filtros (seleccionar todos los registros)</p>';
+        return;
+    }
+    filtros.forEach((f, i) => {
+        const opts = [];
+        Object.entries(tablasSeleccionadas).forEach(([t, info]) => {
+            const tInfo = esquema.find(e => e.tabla === t);
+            if (tInfo) tInfo.columnas.forEach(c => {
+                opts.push({ value: `${t}.${c.nombre}`, label: `${info.alias}.${c.nombre}` });
+            });
+        });
+        const row = document.createElement('div');
+        row.className = 'flex items-center space-x-2 text-xs';
+        row.innerHTML = `
+            <select onchange="actualizarFiltro(${i},'campo',this.value)" class="border rounded px-2 py-1 text-xs">
+                <option value="">--campo--</option>
+                ${opts.map(o => `<option value="${o.value}" ${f.campo===o.value?'selected':''}>${o.label}</option>`).join('')}
+            </select>
+            <select onchange="actualizarFiltro(${i},'operador',this.value)" class="border rounded px-2 py-1 text-xs w-20">
+                ${['=','>','<','>=','<=','<>','LIKE','BETWEEN'].map(o => `<option ${f.operador===o?'selected':''}>${o}</option>`).join('')}
+            </select>
+            <input type="text" value="${f.parametro}" onchange="actualizarFiltro(${i},'parametro',this.value)" placeholder=":param" class="border rounded px-2 py-1 text-xs font-mono w-28">
+            <button onclick="filtros.splice(${i},1);renderizarFiltros();actualizarVista();" class="text-red-500 hover:text-red-700"><i class="fas fa-times"></i></button>
+        `;
+        if (i < filtros.length - 1) {
+            const op = document.createElement('div');
+            op.className = 'flex items-center space-x-2 mt-1';
+            op.innerHTML = `<select onchange="actualizarFiltro(${i+1},'condicion',this.value)" class="border rounded px-2 py-1 text-xs w-20">
+                <option value="AND" ${filtros[i+1]?.condicion==='AND'?'selected':''}>AND</option>
+                <option value="OR" ${filtros[i+1]?.condicion==='OR'?'selected':''}>OR</option>
+            </select>`;
+            div.appendChild(row);
+            div.appendChild(op);
+        } else {
+            div.appendChild(row);
+        }
+    });
+}
+
+function actualizarFiltro(i, prop, val) {
+    if (!filtros[i]) filtros[i] = { tabla: '', campo: '', operador: '=', parametro: '', condicion: 'AND' };
+    filtros[i][prop] = val;
+    actualizarVista();
+}
+
+function generarSql() {
+    const tabs = Object.entries(tablasSeleccionadas);
+    if (!tabs.length) return { sql: '-- Seleccioná al menos una tabla', params: [] };
+
+    const selects = [];
+    const froms = [];
+    const allParams = new Set();
+
+    tabs.forEach(([tabla, info]) => {
+        froms.push({ tabla, alias: info.alias });
+        const cols = Object.keys(info.columnas);
+        if (cols.length) {
+            cols.forEach(c => selects.push(`${info.alias}.${c}`));
+        }
+    });
+
+    if (!selects.length) return { sql: '-- Seleccioná al menos una columna', params: [] };
+    if (!froms.length) return { sql: '-- Seleccioná al menos una tabla', params: [] };
+
+    let sql = 'SELECT\n    ' + selects.join(',\n    ');
+    sql += '\nFROM ' + froms.map((f, i) => {
+        if (i === 0) return `${f.tabla} ${f.alias}`;
+        return `JOIN ${f.tabla} ${f.alias} ON 1=1`; // basic join, user refines in editor
+    }).join('\n');
+
+    const wheres = [];
+    filtros.forEach(f => {
+        if (f.campo && f.parametro) {
+            const [t, c] = f.campo.split('.');
+            const info = tablasSeleccionadas[t];
+            if (info) {
+                wheres.push(`${info.alias}.${c} ${f.operador} ${f.parametro}`);
+                if (f.parametro.startsWith(':')) allParams.add(f.parametro);
+            }
+        }
+    });
+    if (wheres.length) sql += '\nWHERE ' + wheres.join(' ');
+
+    return { sql, params: Array.from(allParams) };
+}
+
+function actualizarVista() {
+    const { sql, params } = generarSql();
+    document.getElementById('builder-sql').value = sql;
+    document.getElementById('builder-params').textContent = params.length ? 'Parámetros: ' + params.join(', ') : 'Sin parámetros';
+
+    // Actualizar vista de columnas seleccionadas
+    const div = document.getElementById('builder-columnas');
+    const tabs = Object.entries(tablasSeleccionadas);
+    if (!tabs.length) {
+        div.innerHTML = '<p class="text-gray-400 italic">Seleccioná tablas y columnas</p>';
+        return;
+    }
+    let html = '';
+    tabs.forEach(([tabla, info]) => {
+        const cols = Object.keys(info.columnas);
+        if (cols.length) {
+            html += `<div class="mb-1"><span class="font-medium">${info.alias}.${tabla}</span>: `;
+            html += cols.map(c => `<code class="bg-blue-100 px-1 rounded">${c}</code>`).join(' ');
+            html += '</div>';
+        }
+    });
+    div.innerHTML = html || '<p class="text-gray-400 italic">Seleccioná columnas</p>';
+}
+
+function usarSql() {
+    const sql = document.getElementById('builder-sql').value;
+    if (!sql || sql.startsWith('--')) { showToast('No hay SQL generado', 'warning'); return; }
+    document.getElementById('q_text').value = sql;
+    mostrarEditor();
+    showToast('SQL copiado al editor');
+}
+
+function copiarSql() {
+    const sql = document.getElementById('builder-sql').value;
+    if (!sql || sql.startsWith('--')) { showToast('No hay SQL generado', 'warning'); return; }
+    navigator.clipboard.writeText(sql).then(() => showToast('SQL copiado al portapapeles'));
+}
+
+// Existing functions below
 function editQuery(id, name, type, text, desc) {
     document.getElementById('query_id').value = id;
     document.getElementById('q_name').value = name;
@@ -105,7 +352,6 @@ function editQuery(id, name, type, text, desc) {
     document.getElementById('btn-cancel').classList.remove('hidden');
     document.querySelector('form').action = '/queries/update/' + id;
 }
-␍
 function cancelEdit() {
     document.getElementById('query_id').value = '';
     document.getElementById('q_name').value = '';
@@ -114,10 +360,8 @@ function cancelEdit() {
     document.getElementById('btn-cancel').classList.add('hidden');
     document.querySelector('form').action = '/queries/create';
 }
-␍
 async function listarTablas(btn) {
-    btn.disabled = true;␍
+    btn.disabled = true; btn.innerHTML = '<i class="fas fa-spinner fa-spin mr-1"></i> Cargando...';
-    btn.innerHTML = '<i class="fas fa-spinner fa-spin mr-1"></i> Cargando...';␍
     try {
         const resp = await fetch('/queries/tablas', { method: 'POST' });
         const data = await resp.json();
@@ -130,22 +374,13 @@ async function listarTablas(btn) {
     } catch(e) { showToast('Error: ' + e.message, 'error'); }
     finally { btn.disabled = false; btn.innerHTML = '<i class="fas fa-table mr-1"></i> Ver tablas disponibles'; }
 }
-␍
 async function ejecutarTest(btn, queryId) {
-    btn.disabled = true;␍
+    btn.disabled = true; btn.innerHTML = '<i class="fas fa-spinner fa-spin mr-1"></i> Probando...';
-    btn.innerHTML = '<i class="fas fa-spinner fa-spin mr-1"></i> Probando...';␍
-␍
     try {
-        const form = new FormData();␍
+        const form = new FormData(); form.append('query_id', queryId);
-        form.append('query_id', queryId);␍
         const resp = await fetch('/queries/test', { method: 'POST', body: form });
         const data = await resp.json();
-␍
+        if (data.error) { showToast(data.error, 'error'); return; }
-        if (data.error) {␍
-            showToast(data.error, 'error');␍
-            return;␍
-        }␍
-␍
         let html = '<table class="w-full text-xs border-collapse"><thead><tr class="bg-gray-100">';
         data.columns.forEach(c => { html += '<th class="p-2 border text-left font-semibold">' + c + '</th>'; });
         html += '</tr></thead><tbody>';
@@ -156,17 +391,12 @@ async function ejecutarTest(btn, queryId) {
         });
         html += '</tbody></table>';
         html += '<p class="text-xs text-gray-500 mt-2">Total: ' + data.total + ' registros (mostrando ' + data.rows.length + ')</p>';
-␍
         const modal = document.createElement('div');
         modal.className = 'fixed inset-0 z-50 flex items-center justify-center bg-black bg-opacity-50';
         modal.innerHTML = '<div class="bg-white rounded-xl shadow-xl max-w-4xl w-full mx-4 max-h-[80vh] overflow-auto p-6"><div class="flex justify-between items-center mb-4"><h3 class="font-semibold text-lg">Resultado</h3><button onclick="this.closest(\'.fixed\').remove()" class="text-gray-400 hover:text-gray-600"><i class="fas fa-times text-xl"></i></button></div>' + html + '</div>';
         document.body.appendChild(modal);
-    } catch(e) {␍
+    } catch(e) { showToast('Error: ' + e.message, 'error'); }
-        showToast('Error: ' + e.message, 'error');␍
+    finally { btn.disabled = false; btn.innerHTML = '<i class="fas fa-play mr-1"></i> Probar'; }
-    } finally {␍
-        btn.disabled = false;␍
-        btn.innerHTML = '<i class="fas fa-play mr-1"></i> Probar';␍
-    }␍
 }
 </script>
 {% endblock %}