// seed.cjs - Prisma 7 Seed Script
// Note: Bun loads .env automatically - no need for dotenv
const fs = require('fs');
const path = require('path');
const { PrismaClient } = require('@prisma/client');
const { Pool } = require('pg');
const { PrismaPg } = require('@prisma/adapter-pg');
const bcrypt = require('bcryptjs');
const seedAdmin = require('./seedAdmin.cjs');

const pool = new Pool({ connectionString: process.env.DATABASE_URL });
const adapter = new PrismaPg(pool);
const prisma = new PrismaClient({ adapter });

const brandNames = [
  'ตะไคร้', 'ลาเวนเดอร์', 'วานิลลา', 'ซากุระ', 'มะลิ', 'ยูคาลิปตัส', 'เฟรชลาเวนเดอร์',
  'เปเปอร์มิ้น', 'โอเชี่ยน', 'เซเว่นซี', 'ดอกแก้ว', 'ดอกโมก', 'ลีลาวดี', 'ส้ม', 'มะนาว',
  'แคนตาลูป', 'แอปเปิ้ลแดง', 'แอปเปิ้ลเขียว', 'ดอกลิลลี่', 'โรสเมรี่', 'อัญชัน',
  'กุหลาบแดง', 'หมากฝรั่ง', 'ผลไม้รวม', 'มะกรูด', 'แซนด้าวูส', 'ดอกปีบ', 'ดอกบัว',
  'โอโซน', 'ไทยสปา', 'กล้วย', 'กาแฟ', 'ดอกชมนาด', 'กลิ่นน้ำนม', 'ดอกการะเวก',
  'ดอกจำปา', 'ดอกพิกุล', 'ดอกพุด', 'ดอกราตรี', 'ดอกลำดวน', 'ทับทิม', 'มะละกอสุก',
  'ดอกราชาวดี', 'กลิ่นลูกพีช', 'กลิ่นองุ่น'
];

const categoryConfigs = [
  {
    name: 'Oil Ozone',
    sizes: ['30ml', '60ml', '85ml', '120ml'],
    priceMap: { '30ml': 69, '60ml': 100, '85ml': 120, '120ml': 150 }
  },
  {
    name: 'Aroma Oil',
    sizes: ['30ml', '60ml', '85ml', '120ml'],
    priceMap: { '30ml': 90, '60ml': 150, '85ml': 165, '120ml': 225 } // 120ml ปรับเป็น 225 (฿1.875/ml) ให้ถูกกว่า 85ml ต่อ ml
  },
  {
    name: 'Reed Diffuser',
    sizes: ['60ml', '85ml', '120ml'],
    priceMap: { '60ml': 120, '85ml': 160, '120ml': 190 }
  },
  {
    name: 'Room Spray',
    sizes: ['85ml'],
    priceMap: { '85ml': 150 }
  },
  {
    name: 'Car Diffuser',
    sizes: ['25ml'],
    priceMap: { '25ml': 60 }
  }
];

async function main() {
  process.stdout.write('🚀 Starting System Seeding (Admin, Menus, Brands, Categories)...\n');

  // 0. Seed Admin User
  await seedAdmin(prisma);

  // 0.5 Seed Core Menus
  const coreMenus = [
    { name: "main", items: [{ id: 1, label: "Home", url: "/", order: 1 }, { id: 2, label: "Shop", url: "/shop", order: 2 }, { id: 3, label: "Scent Guide", url: "/scent-guide", order: 3 }, { id: 4, label: "About Us", url: "/about", order: 4 }] },
    { name: "footer-explore", items: [{ id: 5, label: "Home", url: "/", order: 1 }, { id: 6, label: "Shop", url: "/shop", order: 2 }, { id: 7, label: "Scent Guide", url: "/scent-guide", order: 3 }, { id: 8, label: "About Us", url: "/about", order: 4 }] },
    { name: "footer-support", items: [{ id: 9, label: "Track Order", url: "/track-order", order: 1 }, { id: 10, label: "FAQ", url: "/faq", order: 2 }, { id: 11, label: "Contact Us", url: "/contact", order: 3 }, { id: 12, label: "Delivery & Returns", url: "/delivery", order: 4 }] }
  ];

  for (const menu of coreMenus) {
    const m = await prisma.menu.upsert({
      where: { name: menu.name },
      update: {},
      create: { name: menu.name }
    });
    for (const item of menu.items) {
      await prisma.menuItem.upsert({
        where: { id: item.id },
        update: { label: item.label, url: item.url, order: item.order, menuId: m.id },
        create: { id: item.id, label: item.label, url: item.url, order: item.order, menuId: m.id }
      });
    }
  }
  process.stdout.write('✅ Seeded Core Menus.\n');

  // 1. Seed Brands & Categories
  const brands = [];
  for (const name of brandNames) {
    const s = await prisma.productBrand.upsert({
      where: { name },
      update: {},
      create: { name }
    });
    brands.push(s);
  }
  process.stdout.write(`✅ Seeded ${brands.length} Brands.\n`);

  const categories = [];
  for (const config of categoryConfigs) {
    const c = await prisma.category.upsert({
      where: { name: config.name },
      update: {},
      create: { name: config.name }
    });
    categories.push(c);
  }
  process.stdout.write(`✅ Seeded ${categories.length} Categories.\n`);

  // Skipped product & variant seeding per configuration

  process.stdout.write(`\n✨ Seeding Complete!\n`);
  process.stdout.write(`📊 Summary:\n`);
  process.stdout.write(`   - Admin: 1 (admin / homaroma123)\n`);
  process.stdout.write(`   - Menus: ${coreMenus.length}\n`);
  process.stdout.write(`   - Brands: ${brands.length}\n`);
  process.stdout.write(`   - Categories: ${categories.length}\n`);
  process.stdout.write(`   - Products: 0 (Skipped per configuration)\n`);

  // Fix PostgreSQL sequence desync for tables where we hardcoded IDs
  process.stdout.write('🔄 Resetting sequences for hardcoded ID tables...\n');
  await prisma.$executeRawUnsafe(`SELECT setval('"MenuItem_id_seq"', COALESCE((SELECT MAX(id) FROM "MenuItem") + 1, 1), false);`);
  process.stdout.write('✅ Sequences reset successfully.\n');
}

main()
  .catch((e) => {
    process.stderr.write(`❌ Error: ${e.message}\n`);
    process.exit(1);
  })
  .finally(async () => {
    await prisma.$disconnect();
  });