-- Create recipes table
CREATE TABLE recipes (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  title TEXT NOT NULL,
  description TEXT,
  ingredients TEXT NOT NULL, -- JSON array
  instructions TEXT NOT NULL, -- JSON array of steps
  source_url TEXT,
  notes TEXT,
  servings INTEGER,
  prep_time_minutes INTEGER,
  cook_time_minutes INTEGER,
  created_at INTEGER NOT NULL,
  updated_at INTEGER NOT NULL,
  last_cooked_at INTEGER
);

-- Create tags table
CREATE TABLE tags (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  name TEXT UNIQUE NOT NULL,
  color TEXT -- Hex color for UI
);

-- Create recipe_tags join table
CREATE TABLE recipe_tags (
  recipe_id INTEGER NOT NULL,
  tag_id INTEGER NOT NULL,
  PRIMARY KEY (recipe_id, tag_id),
  FOREIGN KEY (recipe_id) REFERENCES recipes(id) ON DELETE CASCADE,
  FOREIGN KEY (tag_id) REFERENCES tags(id) ON DELETE CASCADE
);

-- Indexes for efficiency
CREATE INDEX idx_recipes_title ON recipes(title);
CREATE INDEX idx_recipes_created_at ON recipes(created_at DESC);
CREATE INDEX idx_recipe_tags_recipe ON recipe_tags(recipe_id);
CREATE INDEX idx_recipe_tags_tag ON recipe_tags(tag_id);