-- ============================================================
-- Kitchen / Dietary enum types
-- ============================================================

CREATE TYPE app.meal_type AS ENUM ('breakfast', 'lunch', 'dinner', 'snack');
CREATE TYPE app.meal_status AS ENUM ('planned', 'ready', 'served', 'completed');
CREATE TYPE app.meal_attendance_status AS ENUM ('expected', 'confirmed', 'cancelled', 'served');
CREATE TYPE app.meal_attendance_source AS ENUM ('stay', 'retreat', 'manual');

-- ============================================================
-- Dietary profiles
-- ============================================================

CREATE TABLE app.dietary_profile (
  profile_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  user_id UUID NOT NULL UNIQUE REFERENCES app."user"(user_id) ON DELETE CASCADE,
  is_vegan BOOLEAN NOT NULL DEFAULT false,
  is_vegetarian BOOLEAN NOT NULL DEFAULT false,
  is_gluten_free BOOLEAN NOT NULL DEFAULT false,
  is_dairy_free BOOLEAN NOT NULL DEFAULT false,
  has_nut_allergy BOOLEAN NOT NULL DEFAULT false,
  allergy_notes TEXT,
  other_requirements TEXT,
  dislikes TEXT,
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE INDEX idx_dietary_profile_user ON app.dietary_profile(user_id);

-- ============================================================
-- Meal services
-- ============================================================

CREATE TABLE app.meal_service (
  service_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  service_type app.meal_type NOT NULL,
  service_date DATE NOT NULL,
  retreat_id UUID REFERENCES app.retreat(retreat_id),
  planned_headcount INT,
  menu_notes TEXT,
  status app.meal_status NOT NULL DEFAULT 'planned',
  created_by_user_id UUID NOT NULL REFERENCES app."user"(user_id),
  updated_by_user_id UUID REFERENCES app."user"(user_id),
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE INDEX idx_meal_service_date ON app.meal_service(service_date);
CREATE INDEX idx_meal_service_type ON app.meal_service(service_type);
CREATE INDEX idx_meal_service_retreat ON app.meal_service(retreat_id);

-- ============================================================
-- Meal attendance
-- ============================================================

CREATE TABLE app.meal_attendance (
  attendance_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  meal_service_id UUID NOT NULL REFERENCES app.meal_service(service_id) ON DELETE CASCADE,
  user_id UUID NOT NULL REFERENCES app."user"(user_id),
  stay_id UUID REFERENCES app.stay(stay_id),
  source_type app.meal_attendance_source NOT NULL DEFAULT 'manual',
  status app.meal_attendance_status NOT NULL DEFAULT 'expected',
  notes TEXT,
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  UNIQUE(meal_service_id, user_id)
);

CREATE INDEX idx_meal_attendance_service ON app.meal_attendance(meal_service_id);
CREATE INDEX idx_meal_attendance_user ON app.meal_attendance(user_id);

-- Enable audit
SELECT app.enable_audit('dietary_profile', 'profile_id');
SELECT app.enable_audit('meal_service', 'service_id');
SELECT app.enable_audit('meal_attendance', 'attendance_id');