apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-db-migration
  namespace: {{ .Values.global.namespace }}
data:
  migrate.sql: |
    -- Create users table if it doesn't exist
    CREATE TABLE IF NOT EXISTS users (
      id SERIAL PRIMARY KEY,
      username TEXT UNIQUE NOT NULL,
      email TEXT UNIQUE NOT NULL,
      password_hash TEXT NOT NULL,
      created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
    );

    -- Create recipes table if it doesn't exist (matching backend schema)
    CREATE TABLE IF NOT EXISTS recipes (
      id SERIAL PRIMARY KEY,
      name TEXT NOT NULL,
      meal_type TEXT NOT NULL,
      time_minutes INTEGER NOT NULL,
      tags TEXT[] NOT NULL DEFAULT '{}',
      ingredients TEXT[] NOT NULL DEFAULT '{}',
      steps TEXT[] NOT NULL DEFAULT '{}',
      image TEXT,
      made_by TEXT,
      user_id INTEGER REFERENCES users(id) ON DELETE SET NULL,
      created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
    );

    -- Add user_id column if it doesn't exist (for existing recipes tables)
    DO $$ 
    BEGIN
        IF NOT EXISTS (
            SELECT 1 FROM information_schema.columns 
            WHERE table_name = 'recipes' AND column_name = 'user_id'
        ) THEN
            ALTER TABLE recipes ADD COLUMN user_id INTEGER REFERENCES users(id) ON DELETE SET NULL;
        END IF;
    END $$;

    -- Add created_at column to recipes if it doesn't exist
    DO $$ 
    BEGIN
        IF NOT EXISTS (
            SELECT 1 FROM information_schema.columns 
            WHERE table_name = 'recipes' AND column_name = 'created_at'
        ) THEN
            ALTER TABLE recipes ADD COLUMN created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP;
        END IF;
    END $$;

    -- Create indexes
    CREATE INDEX IF NOT EXISTS idx_recipes_meal_type ON recipes (meal_type);
    CREATE INDEX IF NOT EXISTS idx_recipes_time_minutes ON recipes (time_minutes);
    CREATE INDEX IF NOT EXISTS idx_recipes_made_by ON recipes (made_by);
    CREATE INDEX IF NOT EXISTS idx_recipes_user_id ON recipes (user_id);
    CREATE INDEX IF NOT EXISTS idx_users_username ON users (username);
    CREATE INDEX IF NOT EXISTS idx_users_email ON users (email);

    -- Verify schema
    SELECT 'Users table:' as info;
    SELECT column_name, data_type 
    FROM information_schema.columns 
    WHERE table_name = 'users' 
    ORDER BY ordinal_position;

    SELECT 'Recipes table:' as info;
    SELECT column_name, data_type 
    FROM information_schema.columns 
    WHERE table_name = 'recipes' 
    ORDER BY ordinal_position;