/**
 * Dev seed — creates a default demo user with 수능 과목/태그 preset.
 * Run via: `pnpm prisma:seed` (or `ts-node prisma/seed.ts`).
 *
 * Idempotent: re-running just upserts.
 */

import { PrismaClient, Persona, ReviewIntensity } from '@prisma/client';
import * as bcrypt from 'bcrypt';

const prisma = new PrismaClient();

const DEMO_EMAIL = 'demo@reloop.local';
const DEMO_PASSWORD = 'demo1234';

interface SubjectSeed {
  name: string;
  color: string;
  tags: string[];
}

const SUBJECTS: SubjectSeed[] = [
  {
    name: '국어',
    color: '#ef4444',
    tags: ['문학', '독서(비문학)', '화법과작문', '언어와매체', '고전시가'],
  },
  {
    name: '수학',
    color: '#3b82f6',
    tags: ['미적분', '확률과통계', '기하', '수1 지수로그', '수1 삼각함수', '수2 미분', '수2 적분'],
  },
  {
    name: '영어',
    color: '#22c55e',
    tags: ['문법/어법', '어휘', '빈칸추론', '순서배열', '삽입', '주제/제목', '함축의미'],
  },
  {
    name: '사회탐구',
    color: '#f59e0b',
    tags: ['생활과윤리', '사회문화', '한국지리', '세계사'],
  },
  {
    name: '과학탐구',
    color: '#8b5cf6',
    tags: ['물리1', '화학1', '생명과학1', '지구과학1'],
  },
];

async function main() {
  console.log('🌱 ReLoop seed start');

  // Demo user
  const hash = await bcrypt.hash(DEMO_PASSWORD, 10);
  const user = await prisma.user.upsert({
    where: { email: DEMO_EMAIL },
    update: {},
    create: {
      email: DEMO_EMAIL,
      password: hash,
      nickname: '데모',
      persona: Persona.mid,
      currentGrade: 4,
      targetGrade: 2,
      reviewIntensity: ReviewIntensity.moderate,
      onboardedAt: new Date(),
    },
  });
  console.log(`  user: ${user.email} (id=${user.id}) password=${DEMO_PASSWORD}`);

  for (const s of SUBJECTS) {
    const subject = await prisma.subject.upsert({
      where: { userId_name: { userId: user.id, name: s.name } },
      update: { color: s.color },
      create: { name: s.name, color: s.color, userId: user.id },
    });
    console.log(`  subject: ${subject.name}`);

    for (const tagName of s.tags) {
      await prisma.tag.upsert({
        where: { subjectId_name: { subjectId: subject.id, name: tagName } },
        update: {},
        create: { name: tagName, subjectId: subject.id },
      });
    }
  }

  console.log('✅ seed done');
}

main()
  .catch((e) => {
    console.error(e);
    process.exit(1);
  })
  .finally(async () => {
    await prisma.$disconnect();
  });