/**
 * Get all clients from Metabase
 * Uses "Informe Ingresos - Lista de Clientes con Totales" query
 * Returns: id, name, ubicacion for use in filters
 */
export default defineEventHandler(async () => {
  try {
    // Get all cards to find the clientes query
    const allCards = await getMetabaseCards('all')

    // Find "Informe Ingresos - Lista de Clientes con Totales" query
    const card = allCards.find((c: any) => c.name === 'Informe Ingresos - Lista de Clientes con Totales')

    if (!card) {
      throw createError({
        statusCode: 404,
        statusMessage: 'Clientes query not found in Metabase'
      })
    }

    // Execute the query with empty filters to get all clientes
    const result = await executeCardQuery(card.id, [
      { type: 'text', target: ['variable', ['template-tag', 'fecha_desde']], value: '' },
      { type: 'text', target: ['variable', ['template-tag', 'fecha_hasta']], value: '' },
      { type: 'boolean', target: ['variable', ['template-tag', 'incluir_anulados']], value: false },
      { type: 'number', target: ['variable', ['template-tag', 'cliente_ids']], value: [] },
      { type: 'text', target: ['variable', ['template-tag', 'tipos']], value: [] },
      { type: 'text', target: ['variable', ['template-tag', 'estados']], value: [] },
      { type: 'text', target: ['variable', ['template-tag', 'ubicaciones']], value: [] },
      { type: 'text', target: ['variable', ['template-tag', 'calidades']], value: [] }
    ])

    if (!result.data?.rows || !result.data?.cols) {
      return []
    }

    // Transform rows to objects with only the fields we need
    const cols = result.data.cols
    const clientes = result.data.rows.map((row: any[]) => {
      const obj: any = {}
      cols.forEach((col: any, index: number) => {
        obj[col.name] = row[index]
      })

      // Return only the fields needed for the selector
      return {
        id: obj.cliente_id,
        name: obj.cliente_nombre,
        ubicacion: obj.cliente_ubicacion,
        cedula: obj.cliente_cedula,
        // Map any other fields you need from the query result
      }
    })

    // Sort by name
    return clientes.sort((a: any, b: any) => a.name.localeCompare(b.name))
  } catch (error: any) {
    console.error('[API] Failed to fetch clientes from Metabase:', error)
    throw createError({
      statusCode: error.statusCode || 500,
      statusMessage: error.statusMessage || 'Failed to fetch clientes from Metabase'
    })
  }
})