import { pgTable, uuid, integer, timestamp } from 'drizzle-orm/pg-core';
import { unique } from 'drizzle-orm/pg-core';
import { stackEnum, levelEnum } from './enums.js';
import { users } from './users.js';

export const userStats = pgTable(
  'user_stats',
  {
    id: uuid('id').primaryKey().defaultRandom(),
    userId: uuid('user_id')
      .notNull()
      .references(() => users.id, { onDelete: 'cascade' }),
    stack: stackEnum('stack').notNull(),
    level: levelEnum('level').notNull(),
    totalQuestions: integer('total_questions').notNull().default(0),
    correctAnswers: integer('correct_answers').notNull().default(0),
    testsTaken: integer('tests_taken').notNull().default(0),
    lastTestAt: timestamp('last_test_at', { withTimezone: true }),
  },
  (t) => ({
    userStackLevelUnique: unique().on(t.userId, t.stack, t.level),
  })
);

export type UserStat = typeof userStats.$inferSelect;
export type NewUserStat = typeof userStats.$inferInsert;