import { relations } from "drizzle-orm";
import { pgTable, varchar, text, timestamp ,serial, integer, pgEnum} from "drizzle-orm/pg-core"

export const items = pgTable("items", {
  id: serial("id").primaryKey(),
  itemCode: varchar("item_code", { length: 100 }).unique(),
  itemName: varchar("item_name", { length: 255 }).notNull(),
  description: text("description"),
  createdAt: timestamp("created_at").defaultNow().notNull(),
  updatedAt: timestamp("updated_at").defaultNow().notNull(),
});

export type Item = typeof items.$inferSelect

export const itemsRelations = relations(items, ({ many }) => ({
  shipbuilding: many(itemShipbuilding),
}));

// 조선 기능(공종) 유형 enum 정의
export const workTypeEnum = pgEnum('work_type', ['기장', '전장', '선실', '배관', '철의']);

// 해양 TOP 기능(공종) 유형 enum 정의
export const offshoreTopWorkTypeEnum = pgEnum('offshore_top_work_type', ['TM', 'TS', 'TE', 'TP']);

// 해양 HULL 기능(공종) 유형 enum 정의
export const offshoreHullWorkTypeEnum = pgEnum('offshore_hull_work_type', ['HA', 'HE', 'HH', 'HM', 'NC']);

//조선 아이템 테이블
//아이템코드(:자재그룹코드), 아이템이름(:아이템리스트), 공종(:workType), 선종, createdAt(:생성일), updatedAt(:수정일)
export const itemShipbuilding = pgTable("item_shipbuilding", {
  id: serial("id").primaryKey(),
  itemId: integer("item_id").notNull().references(() => items.id, { onDelete: 'cascade' }),
  workType: workTypeEnum("work_type").notNull(),
  shipTypes: text("ship_types").notNull().default('A-MAX'),
  createdAt: timestamp("created_at").defaultNow().notNull(),
  updatedAt: timestamp("updated_at").defaultNow().notNull(),
});


//조선 아이템 관계 정의
export const itemShipbuildingRelations = relations(itemShipbuilding, ({ one }) => ({
  item: one(items, {
    fields: [itemShipbuilding.itemId],
    references: [items.id],
  }),
}));



export type ItemShipbuilding = typeof itemShipbuilding.$inferSelect;
export type ItemWithShipbuilding = Item & ItemShipbuilding;

//해양 TOP 아이템 테이블
export const itemOffshoreTop = pgTable("item_offshore_top", {
  id: serial("id").primaryKey(),
  itemId: integer("item_id").notNull().references(() => items.id, { onDelete: 'cascade' }),
  workType: offshoreTopWorkTypeEnum("work_type").notNull(),
  itemList1: text("item_list1"),
  itemList2: text("item_list2"),
  itemList3: text("item_list3"),
  itemList4: text("item_list4"),
  createdAt: timestamp("created_at").defaultNow().notNull(),
  updatedAt: timestamp("updated_at").defaultNow().notNull(),
});

//해양 HULL 아이템 테이블
export const itemOffshoreHull = pgTable("item_offshore_hull", {
  id: serial("id").primaryKey(),
  itemId: integer("item_id").notNull().references(() => items.id, { onDelete: 'cascade' }),
  workType: offshoreHullWorkTypeEnum("work_type").notNull(),
  itemList1: text("item_list1"),
  itemList2: text("item_list2"),
  itemList3: text("item_list3"),
  itemList4: text("item_list4"),
  createdAt: timestamp("created_at").defaultNow().notNull(),
  updatedAt: timestamp("updated_at").defaultNow().notNull(),
});

//해양 TOP 아이템 관계 정의
export const itemOffshoreTopRelations = relations(itemOffshoreTop, ({ one }) => ({
  item: one(items, {
    fields: [itemOffshoreTop.itemId],
    references: [items.id],
  }),
}));

//해양 HULL 아이템 관계 정의
export const itemOffshoreHullRelations = relations(itemOffshoreHull, ({ one }) => ({
  item: one(items, {
    fields: [itemOffshoreHull.itemId],
    references: [items.id],
  }),
}));

export type ItemOffshoreTop = typeof itemOffshoreTop.$inferSelect;
export type ItemOffshoreHull = typeof itemOffshoreHull.$inferSelect;
export type ItemWithOffshoreTop = Item & ItemOffshoreTop;
export type ItemWithOffshoreHull = Item & ItemOffshoreHull;