import type { Knex } from 'knex';

const recipes = [
  {
    name: 'Chocolate Chip Cookies',
    servings: 24,
    instructions: '1. Preheat oven to 375°F.\n2. Cream butter and sugars.\n3. Beat in eggs and vanilla.\n4. Mix in flour, baking soda, and salt.\n5. Stir in chocolate chips.\n6. Drop by spoonfuls onto baking sheet.\n7. Bake 9-11 minutes until golden.',
    ingredients: [
      { item_name: 'All-Purpose Flour', quantity: 2.25, unit: 'cups' },
      { item_name: 'Butter', quantity: 1, unit: 'cups' },
      { item_name: 'Granulated Sugar', quantity: 0.75, unit: 'cups' },
      { item_name: 'Brown Sugar', quantity: 0.75, unit: 'cups' },
      { item_name: 'Eggs', quantity: 2, unit: 'pieces' },
      { item_name: 'Vanilla Extract', quantity: 1, unit: 'tsp' },
      { item_name: 'Baking Soda', quantity: 1, unit: 'tsp' },
      { item_name: 'Chocolate Chips', quantity: 2, unit: 'cups' },
    ],
  },
  {
    name: 'Classic Pancakes',
    servings: 4,
    instructions: '1. Mix dry ingredients.\n2. Whisk wet ingredients separately.\n3. Combine wet and dry.\n4. Cook on greased griddle over medium heat.\n5. Flip when bubbles form.',
    ingredients: [
      { item_name: 'All-Purpose Flour', quantity: 1.5, unit: 'cups' },
      { item_name: 'Milk', quantity: 1.25, unit: 'cups' },
      { item_name: 'Eggs', quantity: 1, unit: 'pieces' },
      { item_name: 'Butter', quantity: 3, unit: 'tbsp' },
      { item_name: 'Baking Powder', quantity: 2, unit: 'tsp' },
      { item_name: 'Granulated Sugar', quantity: 1, unit: 'tbsp' },
      { item_name: 'Salt', quantity: 1, unit: 'tsp' },
    ],
  },
  {
    name: 'Spaghetti Bolognese',
    servings: 4,
    instructions: '1. Brown ground beef.\n2. Add onion and garlic, cook until soft.\n3. Add tomatoes and simmer 30 minutes.\n4. Cook pasta.\n5. Serve sauce over pasta.',
    ingredients: [
      { item_name: 'Spaghetti', quantity: 400, unit: 'g' },
      { item_name: 'Ground Beef', quantity: 500, unit: 'g' },
      { item_name: 'Onion', quantity: 1, unit: 'whole' },
      { item_name: 'Garlic', quantity: 3, unit: 'cloves' },
      { item_name: 'Canned Tomatoes', quantity: 2, unit: 'can' },
      { item_name: 'Olive Oil', quantity: 2, unit: 'tbsp' },
      { item_name: 'Salt', quantity: 1, unit: 'tsp' },
    ],
  },
  {
    name: 'Caesar Salad',
    servings: 2,
    instructions: '1. Wash and chop romaine.\n2. Make dressing with garlic, lemon, and parmesan.\n3. Toss lettuce with dressing.\n4. Top with croutons and extra parmesan.',
    ingredients: [
      { item_name: 'Romaine Lettuce', quantity: 1, unit: 'whole' },
      { item_name: 'Parmesan Cheese', quantity: 0.5, unit: 'cups' },
      { item_name: 'Garlic', quantity: 2, unit: 'cloves' },
      { item_name: 'Lemon', quantity: 1, unit: 'whole' },
      { item_name: 'Olive Oil', quantity: 3, unit: 'tbsp' },
      { item_name: 'Croutons', quantity: 1, unit: 'cups' },
    ],
  },
  {
    name: 'Banana Bread',
    servings: 8,
    instructions: '1. Preheat oven to 350°F.\n2. Mash bananas.\n3. Mix wet ingredients.\n4. Fold in dry ingredients.\n5. Pour into loaf pan.\n6. Bake 60-65 minutes.',
    ingredients: [
      { item_name: 'Ripe Bananas', quantity: 3, unit: 'whole' },
      { item_name: 'All-Purpose Flour', quantity: 1.5, unit: 'cups' },
      { item_name: 'Butter', quantity: 0.33, unit: 'cups' },
      { item_name: 'Granulated Sugar', quantity: 0.75, unit: 'cups' },
      { item_name: 'Eggs', quantity: 1, unit: 'pieces' },
      { item_name: 'Baking Soda', quantity: 1, unit: 'tsp' },
      { item_name: 'Salt', quantity: 0.25, unit: 'tsp' },
    ],
  },
  {
    name: 'Chicken Stir Fry',
    servings: 4,
    instructions: '1. Slice chicken and vegetables.\n2. Heat oil in wok.\n3. Cook chicken until done.\n4. Add vegetables and stir fry.\n5. Add sauce and toss.\n6. Serve over rice.',
    ingredients: [
      { item_name: 'Chicken Breast', quantity: 500, unit: 'g' },
      { item_name: 'Bell Pepper', quantity: 2, unit: 'whole' },
      { item_name: 'Broccoli', quantity: 2, unit: 'cups' },
      { item_name: 'Soy Sauce', quantity: 3, unit: 'tbsp' },
      { item_name: 'Garlic', quantity: 3, unit: 'cloves' },
      { item_name: 'Vegetable Oil', quantity: 2, unit: 'tbsp' },
      { item_name: 'Rice', quantity: 2, unit: 'cups' },
    ],
  },
  {
    name: 'Guacamole',
    servings: 4,
    instructions: '1. Halve and pit avocados.\n2. Scoop flesh into bowl.\n3. Mash with fork.\n4. Add lime juice, salt, onion, cilantro.\n5. Mix and adjust seasoning.',
    ingredients: [
      { item_name: 'Avocado', quantity: 3, unit: 'whole' },
      { item_name: 'Lime', quantity: 1, unit: 'whole' },
      { item_name: 'Red Onion', quantity: 0.25, unit: 'whole' },
      { item_name: 'Cilantro', quantity: 2, unit: 'tbsp' },
      { item_name: 'Salt', quantity: 0.5, unit: 'tsp' },
    ],
  },
  {
    name: 'Tomato Soup',
    servings: 4,
    instructions: '1. Sauté onion and garlic.\n2. Add tomatoes and broth.\n3. Simmer 20 minutes.\n4. Blend until smooth.\n5. Season with salt and pepper.',
    ingredients: [
      { item_name: 'Canned Tomatoes', quantity: 2, unit: 'can' },
      { item_name: 'Onion', quantity: 1, unit: 'whole' },
      { item_name: 'Garlic', quantity: 2, unit: 'cloves' },
      { item_name: 'Vegetable Broth', quantity: 2, unit: 'cups' },
      { item_name: 'Olive Oil', quantity: 2, unit: 'tbsp' },
      { item_name: 'Salt', quantity: 1, unit: 'tsp' },
    ],
  },
  {
    name: 'French Toast',
    servings: 2,
    instructions: '1. Whisk eggs, milk, and cinnamon.\n2. Dip bread slices.\n3. Cook on buttered pan until golden.\n4. Serve with maple syrup.',
    ingredients: [
      { item_name: 'Bread', quantity: 4, unit: 'slices' },
      { item_name: 'Eggs', quantity: 2, unit: 'pieces' },
      { item_name: 'Milk', quantity: 0.25, unit: 'cups' },
      { item_name: 'Butter', quantity: 1, unit: 'tbsp' },
      { item_name: 'Cinnamon', quantity: 0.5, unit: 'tsp' },
    ],
  },
  {
    name: 'Oatmeal',
    servings: 1,
    instructions: '1. Bring water or milk to boil.\n2. Add oats.\n3. Cook 5 minutes stirring occasionally.\n4. Top with fruit and honey.',
    ingredients: [
      { item_name: 'Rolled Oats', quantity: 0.5, unit: 'cups' },
      { item_name: 'Milk', quantity: 1, unit: 'cups' },
      { item_name: 'Honey', quantity: 1, unit: 'tbsp' },
      { item_name: 'Salt', quantity: 1, unit: 'pinch' },
    ],
  },
];

export async function seed(knex: Knex): Promise<void> {
  // Clear existing
  await knex('recipe_ingredients').delete();
  await knex('recipes').delete();

  for (const recipe of recipes) {
    const [inserted] = await knex('recipes')
      .insert({
        name: recipe.name,
        servings: recipe.servings,
        instructions: recipe.instructions,
      })
      .returning('id');

    const recipeId = inserted.id;

    await knex('recipe_ingredients').insert(
      recipe.ingredients.map((ing) => ({
        recipe_id: recipeId,
        item_name: ing.item_name,
        item_name_lower: ing.item_name.toLowerCase(),
        quantity: ing.quantity,
        unit: ing.unit,
      }))
    );
  }
}