#!/usr/bin/env node

/**
 * Reset Database Script
 * 
 * This script drops and recreates all tables in your Neon database.
 */

// Load environment variables from .env.local
require('dotenv').config({ path: '.env.local' });

const { neon } = require('@neondatabase/serverless');

async function resetDatabase() {
  const sql = neon(process.env.POSTGRES_URL);

  try {
    console.log('✅ Connecting to Neon database...');

    // Drop all tables in correct order (due to foreign key constraints)
    console.log('🗑️  Dropping existing tables...');
    
    await sql`DROP TABLE IF EXISTS deck_cards CASCADE`;
    await sql`DROP TABLE IF EXISTS decks CASCADE`;
    await sql`DROP TABLE IF EXISTS collection_cards CASCADE`;
    await sql`DROP TABLE IF EXISTS collections CASCADE`;
    await sql`DROP TABLE IF EXISTS user_cards CASCADE`;
    await sql`DROP TABLE IF EXISTS cards CASCADE`;
    await sql`DROP TABLE IF EXISTS users CASCADE`;
    
    console.log('✅ Dropped all tables');

    // Create tables
    await sql`
      CREATE TABLE users (
        id SERIAL PRIMARY KEY,
        email VARCHAR(255) UNIQUE NOT NULL,
        password VARCHAR(255) NOT NULL,
        role VARCHAR(50) DEFAULT 'user',
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
        updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
      )
    `;
    console.log('✅ Created users table');

    await sql`
      CREATE TABLE cards (
        id SERIAL PRIMARY KEY,
        name VARCHAR(255) NOT NULL,
        set_name VARCHAR(255),
        set_code VARCHAR(50),
        card_number VARCHAR(50),
        rarity VARCHAR(50),
        game VARCHAR(50) NOT NULL,
        mana_cost VARCHAR(50),
        cmc INTEGER,
        card_type VARCHAR(255),
        colors JSONB,
        oracle_text TEXT,
        power VARCHAR(10),
        toughness VARCHAR(10),
        image_url TEXT,
        stock_image_url TEXT,
        current_price DECIMAL(10,2),
        market_price DECIMAL(10,2),
        scryfall_id VARCHAR(255) UNIQUE,
        verified BOOLEAN DEFAULT false,
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
        updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
      )
    `;
    console.log('✅ Created cards table');

    await sql`
      CREATE TABLE user_cards (
        id SERIAL PRIMARY KEY,
        user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
        card_id INTEGER REFERENCES cards(id) ON DELETE CASCADE,
        quantity INTEGER DEFAULT 1,
        condition VARCHAR(50) DEFAULT 'NM',
        is_foil BOOLEAN DEFAULT false,
        notes TEXT,
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
        updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
        UNIQUE(user_id, card_id, is_foil)
      )
    `;
    console.log('✅ Created user_cards table');

    await sql`
      CREATE TABLE collections (
        id SERIAL PRIMARY KEY,
        user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
        name VARCHAR(255) NOT NULL,
        description TEXT,
        is_public BOOLEAN DEFAULT false,
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
        updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
      )
    `;
    console.log('✅ Created collections table');

    await sql`
      CREATE TABLE collection_cards (
        id SERIAL PRIMARY KEY,
        collection_id INTEGER REFERENCES collections(id) ON DELETE CASCADE,
        card_id INTEGER REFERENCES cards(id) ON DELETE CASCADE,
        quantity INTEGER DEFAULT 1,
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
        UNIQUE(collection_id, card_id)
      )
    `;
    console.log('✅ Created collection_cards table');

    await sql`
      CREATE TABLE decks (
        id SERIAL PRIMARY KEY,
        user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
        name VARCHAR(255) NOT NULL,
        description TEXT,
        game VARCHAR(50),
        is_public BOOLEAN DEFAULT false,
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
        updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
      )
    `;
    console.log('✅ Created decks table');

    await sql`
      CREATE TABLE deck_cards (
        id SERIAL PRIMARY KEY,
        deck_id INTEGER REFERENCES decks(id) ON DELETE CASCADE,
        card_id INTEGER REFERENCES cards(id) ON DELETE CASCADE,
        quantity INTEGER DEFAULT 1,
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
        UNIQUE(deck_id, card_id)
      )
    `;
    console.log('✅ Created deck_cards table');

    // Create admin user
    const bcrypt = require('bcryptjs');
    const hashedPassword = await bcrypt.hash('admin123', 12);
    
    await sql`
      INSERT INTO users (email, password, role) 
      VALUES (${'admin@tcgvault.com'}, ${hashedPassword}, ${'admin'})
    `;
    console.log('✅ Created admin user');

    console.log('🎉 Database reset completed successfully!');
    console.log('');
    console.log('📋 Database Details:');
    console.log('   Database: Neon PostgreSQL');
    console.log('   Admin User: admin@tcgvault.com');
    console.log('   Admin Password: admin123');

  } catch (error) {
    console.error('❌ Database reset failed:', error.message);
    process.exit(1);
  }
}

resetDatabase();