import {
  boolean,
  date,
  doublePrecision,
  index,
  integer,
  jsonb,
  pgTable,
  text,
  timestamp,
  uuid,
} from "drizzle-orm/pg-core";
import type { NutritionValues } from "@app/shared-types";
import { createdAt, mealLogSourceEnum, mealTypeEnum } from "./_shared.js";
import { households, storageLocations } from "./households.js";
import { recipes, cookingSessions } from "./recipes.js";
import { users } from "./users.js";

/**
 * Måltidslogg (spec §23). Näringsvärden är alltid deterministiskt härledda
 * (recept/produkt/användarinmatning) – aldrig påhittade av AI (spec §61.1).
 */
export const meals = pgTable(
  "meals",
  {
    id: uuid("id").primaryKey().defaultRandom(),
    userId: uuid("user_id")
      .notNull()
      .references(() => users.id, { onDelete: "cascade" }),
    householdId: uuid("household_id").references(() => households.id, { onDelete: "set null" }),
    date: date("date").notNull(),
    mealType: mealTypeEnum("meal_type").notNull(),
    source: mealLogSourceEnum("source").notNull(),
    recipeId: uuid("recipe_id").references(() => recipes.id, { onDelete: "set null" }),
    cookingSessionId: uuid("cooking_session_id").references(() => cookingSessions.id, {
      onDelete: "set null",
    }),
    titleSv: text("title_sv").notNull(),
    portionFraction: doublePrecision("portion_fraction").notNull().default(1),
    nutrition: jsonb("nutrition").$type<NutritionValues>().notNull(),
    nutritionIsEstimate: boolean("nutrition_is_estimate").notNull().default(false),
    estimateMinKcal: doublePrecision("estimate_min_kcal"),
    estimateMaxKcal: doublePrecision("estimate_max_kcal"),
    items: jsonb("items"),
    photoUrl: text("photo_url"),
    scanJobId: uuid("scan_job_id"),
    loggedAt: timestamp("logged_at", { withTimezone: true }).notNull().defaultNow(),
  },
  (t) => [
    index("meals_user_date_idx").on(t.userId, t.date),
    index("meals_household_idx").on(t.householdId),
  ],
);

/** Matlådor (spec §24) – rekommenderas före ny matlagning när rimligt. */
export const mealBoxes = pgTable(
  "meal_boxes",
  {
    id: uuid("id").primaryKey().defaultRandom(),
    householdId: uuid("household_id")
      .notNull()
      .references(() => households.id, { onDelete: "cascade" }),
    recipeId: uuid("recipe_id").references(() => recipes.id, { onDelete: "set null" }),
    cookingSessionId: uuid("cooking_session_id").references(() => cookingSessions.id, {
      onDelete: "set null",
    }),
    titleSv: text("title_sv").notNull(),
    portions: integer("portions").notNull(),
    portionsRemaining: integer("portions_remaining").notNull(),
    nutritionPerPortion: jsonb("nutrition_per_portion").$type<NutritionValues>(),
    cookedAt: date("cooked_at").notNull(),
    storageLocationId: uuid("storage_location_id")
      .notNull()
      .references(() => storageLocations.id),
    frozen: boolean("frozen").notNull().default(false),
    recommendedUseBy: date("recommended_use_by").notNull(),
    leftoverSource: text("leftover_source"),
    reservedForUserId: uuid("reserved_for_user_id").references(() => users.id, {
      onDelete: "set null",
    }),
    status: text("status").notNull().default("available"),
    createdAt: createdAt(),
  },
  (t) => [
    index("meal_boxes_household_idx").on(t.householdId),
    index("meal_boxes_use_by_idx").on(t.householdId, t.recommendedUseBy),
  ],
);