import { boolean, index, int, mysqlEnum, mysqlTable, text, timestamp, varchar } from "drizzle-orm/mysql-core";

/**
 * Core user table backing auth flow.
 * Extend this file with additional tables as your product grows.
 * Columns use camelCase to match both database fields and generated types.
 */
export const users = mysqlTable("users", {
  /**
   * Surrogate primary key. Auto-incremented numeric value managed by the database.
   * Use this for relations between tables.
   */
  id: int("id").autoincrement().primaryKey(),
  /** Manus OAuth identifier (openId) returned from the OAuth callback. Unique per user. */
  openId: varchar("openId", { length: 64 }).notNull().unique(),
  username: varchar("username", { length: 64 }).unique(),
  passwordHash: varchar("passwordHash", { length: 255 }),
  name: text("name"),
  email: varchar("email", { length: 320 }),
  loginMethod: varchar("loginMethod", { length: 64 }),
  role: mysqlEnum("role", ["user", "editor", "admin"]).default("editor").notNull(),
  isActive: boolean("isActive").default(true).notNull(),
  createdAt: timestamp("createdAt").defaultNow().notNull(),
  updatedAt: timestamp("updatedAt").defaultNow().onUpdateNow().notNull(),
  lastSignedIn: timestamp("lastSignedIn").defaultNow().notNull(),
});

export type User = typeof users.$inferSelect;
export type InsertUser = typeof users.$inferInsert;

/**
 * Student records are intentionally stored as strings so leading zeroes in
 * official form, seat, and bank-form numbers are never lost.
 */
export const studentRecords = mysqlTable("student_records", {
  id: int("id").autoincrement().primaryKey(),
  ownerId: int("ownerId").notNull().references(() => users.id, { onDelete: "restrict" }),
  fullName: varchar("fullName", { length: 255 }),
  formNumber: varchar("formNumber", { length: 64 }).unique(),
  seatNumber: varchar("seatNumber", { length: 64 }).notNull().unique(),
  bankFormNumber: varchar("bankFormNumber", { length: 64 }).notNull().unique(),
  createdAt: timestamp("createdAt").defaultNow().notNull(),
  updatedAt: timestamp("updatedAt").defaultNow().onUpdateNow().notNull(),
}, table => [index("student_records_owner_idx").on(table.ownerId)]);

export type StudentRecord = typeof studentRecords.$inferSelect;
export type InsertStudentRecord = typeof studentRecords.$inferInsert;