import {
  doublePrecision,
  index,
  integer,
  pgTable,
  primaryKey,
  text,
  timestamp,
  varchar,
  uniqueIndex,
  uuid,
} from "drizzle-orm/pg-core";
import { createdAt, householdRoleEnum, storageLocationTypeEnum, updatedAt } from "./_shared.js";
import { users } from "./users.js";

/** Hushåll delar lager, inköpslista, plan, matlådor och budget (spec §7). */
export const households = pgTable(
  "households",
  {
    id: uuid("id").primaryKey().defaultRandom(),
    name: text("name").notNull(),
    inviteCode: text("invite_code").notNull(),
    weeklyBudgetMinor: integer("weekly_budget_minor"),
    /** ISO 4217. Pengagränsen går vid hushållet (i18n-spec §20) – alla belopp i hushållet tolkas i denna valuta. */
    currencyCode: varchar("currency_code", { length: 3 }).notNull().default("SEK"),
    createdAt: createdAt(),
    updatedAt: updatedAt(),
  },
  (t) => [uniqueIndex("households_invite_code_unique").on(t.inviteCode)],
);

export const householdMembers = pgTable(
  "household_members",
  {
    householdId: uuid("household_id")
      .notNull()
      .references(() => households.id, { onDelete: "cascade" }),
    userId: uuid("user_id")
      .notNull()
      .references(() => users.id, { onDelete: "cascade" }),
    role: householdRoleEnum("role").notNull().default("member"),
    /** Individuell portionsfaktor (spec §7: samma rätt, anpassad per person). */
    portionFactor: doublePrecision("portion_factor").notNull().default(1),
    joinedAt: timestamp("joined_at", { withTimezone: true }).notNull().defaultNow(),
  },
  (t) => [
    primaryKey({ columns: [t.householdId, t.userId] }),
    index("household_members_user_idx").on(t.userId),
  ],
);

/** Kyl, frys, skafferi, garagefrys, vinkyl, matkällare, matlådor, egna platser (spec §8). */
export const storageLocations = pgTable(
  "storage_locations",
  {
    id: uuid("id").primaryKey().defaultRandom(),
    householdId: uuid("household_id")
      .notNull()
      .references(() => households.id, { onDelete: "cascade" }),
    type: storageLocationTypeEnum("type").notNull(),
    name: text("name").notNull(),
    sublocations: text("sublocations").array().notNull().default([]),
    sortOrder: integer("sort_order").notNull().default(0),
    createdAt: createdAt(),
  },
  (t) => [index("storage_locations_household_idx").on(t.householdId)],
);