import { pgTable, uuid, text, integer, real, timestamp, index, jsonb } from 'drizzle-orm/pg-core';

/**
 * Meals table - stores all meal entries with nutrition data
 */
export const meals = pgTable(
	'meals',
	{
		id: uuid('id').primaryKey().defaultRandom(),
		userId: text('user_id').notNull(),
		foodName: text('food_name').notNull(),
		imageUrl: text('image_url'),
		storagePath: text('storage_path'), // R2 path for deletion
		calories: real('calories').default(0),
		protein: real('protein').default(0),
		carbohydrates: real('carbohydrates').default(0),
		fat: real('fat').default(0),
		fiber: real('fiber').default(0),
		sugar: real('sugar').default(0),
		sodium: real('sodium').default(0),
		servingSize: text('serving_size'),
		mealType: text('meal_type'), // breakfast | lunch | dinner | snack
		analysisStatus: text('analysis_status').default('pending'), // pending | completed | failed | manual
		healthScore: integer('health_score'), // 1-10
		healthCategory: text('health_category'), // very_healthy | healthy | moderate | unhealthy
		notes: text('notes'),
		userRating: integer('user_rating'), // 1-5
		foodItems: jsonb('food_items').$type<FoodItem[]>().default([]),
		createdAt: timestamp('created_at', { withTimezone: true }).defaultNow().notNull(),
		updatedAt: timestamp('updated_at', { withTimezone: true }).defaultNow().notNull(),
	},
	(table) => [
		index('meals_user_id_idx').on(table.userId),
		index('meals_created_at_idx').on(table.createdAt),
		index('meals_user_created_idx').on(table.userId, table.createdAt),
	]
);

/**
 * Food item type for meal ingredients
 */
export interface FoodItem {
	id: string;
	name: string;
	category:
		| 'protein'
		| 'vegetable'
		| 'grain'
		| 'fruit'
		| 'dairy'
		| 'fat'
		| 'processed'
		| 'beverage';
	portionSize: string;
	calories?: number;
	protein?: number;
	carbs?: number;
	fat?: number;
	fiber?: number;
	sugar?: number;
	confidence?: number;
}

// Type exports
export type Meal = typeof meals.$inferSelect;
export type NewMeal = typeof meals.$inferInsert;