const { Client, Databases, Permission, Role } = require('node-appwrite');

const client = new Client()
  .setEndpoint('https://appwrite.almeira.com.co/v1')
  .setProject('69b84df5003bd8957c5c')
  .setKey('standard_cce3cdb866ea6433888d40cedd24dc45987372308fdc3dd0697de08648c0e5c7e04b02c3bcee271403fd656b00a5820f04c08b51631284a6e8a3582d8aed2aa33234f3c29cc777e9b162eb54810b789251b0d006a9a3b081ebc2da53b9baa94614b124b3508ad849fd9a4187cc6094f506d4b57f409b69d9562a74df594f3ec3');

const dbs = new Databases(client);
const DB_ID = 'sneakers_multistore_db';
const COL_ID = 'coupons';

async function wait(ms) {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

async function createAttributeSafely(colId, type, key, params = {}) {
  try {
    if (type === 'string') {
      const size = params.size || 255;
      const req = params.required || false;
      const def = params.default || null;
      const isArray = params.array || false;
      await dbs.createStringAttribute(DB_ID, colId, key, size, req, def, isArray);
    } else if (type === 'integer') {
      const req = params.required || false;
      const min = params.min ?? -999999999;
      const max = params.max ?? 999999999;
      const def = params.default ?? null;
      const isArray = params.array || false;
      await dbs.createIntegerAttribute(DB_ID, colId, key, req, min, max, def, isArray);
    } else if (type === 'boolean') {
      const req = params.required || false;
      const def = params.default ?? null;
      const isArray = params.array || false;
      await dbs.createBooleanAttribute(DB_ID, colId, key, req, def, isArray);
    }
    console.log(`  + Creado atributo ${key} en ${colId}`);
  } catch (e) {
    if (e.message && e.message.includes('already exists')) {
      console.log(`  . Atributo ${key} ya existe en ${colId}`);
    } else {
      console.warn(`  ! Error creando atributo ${key} en ${colId}:`, e.message);
    }
  }
}

async function main() {
  console.log('--- Configurando Colección de Cupones en ' + DB_ID + ' ---');

  // 1. Crear colección 'coupons' si no existe
  try {
    await dbs.getCollection(DB_ID, COL_ID);
    console.log(`Colección '${COL_ID}' ya existe.`);
  } catch (e) {
    console.log(`Creando colección '${COL_ID}'...`);
    await dbs.createCollection(
      DB_ID,
      COL_ID,
      'Cupones y Promociones',
      [
        Permission.read(Role.any()),
        Permission.create(Role.any()),
        Permission.update(Role.any()),
        Permission.delete(Role.any()),
      ],
      false
    );
    console.log(`Colección '${COL_ID}' creada con éxito.`);
  }

  // 2. Crear atributos de 'coupons'
  console.log('Creando atributos en coupons...');
  await createAttributeSafely(COL_ID, 'string', 'code', { size: 50, required: true });
  await createAttributeSafely(COL_ID, 'string', 'description', { size: 500, required: false });
  await createAttributeSafely(COL_ID, 'string', 'discountType', { size: 20, required: true }); // 'percentage' | 'fixed'
  await createAttributeSafely(COL_ID, 'integer', 'discountValue', { required: true });
  await createAttributeSafely(COL_ID, 'integer', 'minSpend', { required: false, default: 0 });
  await createAttributeSafely(COL_ID, 'integer', 'maxDiscount', { required: false, default: 0 });
  await createAttributeSafely(COL_ID, 'integer', 'usageLimit', { required: false, default: 0 });
  await createAttributeSafely(COL_ID, 'integer', 'usageCount', { required: false, default: 0 });
  await createAttributeSafely(COL_ID, 'string', 'expiresAt', { size: 100, required: false });
  await createAttributeSafely(COL_ID, 'string', 'startDate', { size: 100, required: false });
  await createAttributeSafely(COL_ID, 'boolean', 'isActive', { required: false, default: true });
  await createAttributeSafely(COL_ID, 'string', 'applicableCategories', { size: 1000, required: false });

  // 3. Crear atributos en 'orders' para cupón
  console.log('Añadiendo atributos de cupón en orders...');
  await createAttributeSafely('orders', 'string', 'couponCode', { size: 50, required: false });
  await createAttributeSafely('orders', 'integer', 'discountAmount', { required: false, default: 0 });

  // Esperar a que Appwrite procese los atributos
  console.log('Esperando indexación de atributos...');
  await wait(3000);

  // 4. Sembrar cupones iniciales si está vacía
  try {
    const existing = await dbs.listDocuments(DB_ID, COL_ID);
    if (!existing.documents || existing.documents.length === 0) {
      console.log('Sembrando cupones promocionales iniciales...');

      const in7Days = new Date();
      in7Days.setDate(in7Days.getDate() + 7);

      const in30Days = new Date();
      in30Days.setDate(in30Days.getDate() + 30);

      const INITIAL_COUPONS = [
        {
          code: 'DRIPZONE10',
          description: '10% de descuento en toda la tienda para nuevos clientes',
          discountType: 'percentage',
          discountValue: 10,
          minSpend: 80000,
          maxDiscount: 35000,
          usageLimit: 100,
          usageCount: 0,
          expiresAt: in30Days.toISOString(),
          startDate: new Date().toISOString(),
          isActive: true,
          applicableCategories: '',
        },
        {
          code: 'LANZAMIENTO20K',
          description: '$20.000 COP de descuento fijo por apertura de temporada',
          discountType: 'fixed',
          discountValue: 20000,
          minSpend: 130000,
          maxDiscount: 0,
          usageLimit: 50,
          usageCount: 0,
          expiresAt: in7Days.toISOString(),
          startDate: new Date().toISOString(),
          isActive: true,
          applicableCategories: '',
        },
        {
          code: 'FLASH15',
          description: 'Campaña relámpago: 15% de descuento por 48 horas',
          discountType: 'percentage',
          discountValue: 15,
          minSpend: 100000,
          maxDiscount: 45000,
          usageLimit: 30,
          usageCount: 0,
          expiresAt: new Date(Date.now() + 48 * 3600 * 1000).toISOString(),
          startDate: new Date().toISOString(),
          isActive: true,
          applicableCategories: '',
        }
      ];

      for (const coupon of INITIAL_COUPONS) {
        const docId = `cup-${coupon.code.toLowerCase()}`;
        try {
          await dbs.createDocument(DB_ID, COL_ID, docId, coupon);
          console.log(`  + Cupón ${coupon.code} creado con éxito.`);
        } catch (e) {
          console.warn(`  ! No se pudo crear cupón ${coupon.code}:`, e.message);
        }
      }
    } else {
      console.log(`La colección ya cuenta con ${existing.documents.length} cupones.`);
    }
  } catch (e) {
    console.warn('Error verificando/sembrando cupones:', e.message);
  }

  console.log('✅ Esquema y Cupones configurados correctamente en Appwrite.');
}

main().catch(console.error);