import { PrismaClient } from '@prisma/client';
import * as fs from 'fs';

const prisma = new PrismaClient();
const DUMP = '/opt/import/prod/oa_hr.json';

const ROLES: { code: string; name: string; dataScope: string }[] = [
  { code: 'rd_director', name: '研发总监', dataScope: 'DEPT' },
  { code: '3d_director', name: '三维总监', dataScope: 'DEPT' },
  { code: 'video_director', name: '摄制总监', dataScope: 'DEPT' },
  { code: 'material_director', name: '物资总监', dataScope: 'DEPT' },
  { code: 'pm', name: '项目经理', dataScope: 'DEPT' },
  { code: 'rd_staff', name: '研发技术岗', dataScope: 'SELF' },
  { code: '3d_staff', name: '三维技术岗', dataScope: 'SELF' },
  { code: 'video_staff', name: '摄制技术岗', dataScope: 'SELF' },
  { code: 'material_staff', name: '物资技术岗', dataScope: 'SELF' },
  { code: 'tech', name: '普通岗位', dataScope: 'SELF' },
];

const POST_ROLE: Record<string, string> = {
  sysadmin: 'admin',
  boss: 'owner',
  business_director: 'biz_director',
  business_staff: 'biz_staff',
  rd_director: 'rd_director',
  '3d_director': '3d_director',
  video_director: 'video_director',
  material_director: 'material_director',
  pm: 'pm',
  tech: 'tech',
  rd_staff: 'rd_staff',
  '3d_staff': '3d_staff',
  video_staff: 'video_staff',
  material_staff: 'material_staff',
};

function pickRole(userName: string, postCodes: string[]) {
  if (userName === 'xibei') return 'employee';
  if (userName === 'administrator' || userName === 'admin') return 'admin';
  const rank: Record<string, number> = {
    employee: 0,
    tech: 1,
    rd_staff: 1,
    '3d_staff': 1,
    video_staff: 1,
    material_staff: 1,
    pm: 2,
    biz_staff: 3,
    rd_director: 4,
    '3d_director': 4,
    video_director: 4,
    material_director: 4,
    tech_director: 4,
    biz_director: 5,
    owner: 6,
    admin: 7,
  };
  let best: string | null = null;
  let bestRank = -1;
  for (const c of postCodes) {
    const role = POST_ROLE[c];
    if (!role) continue;
    const r = rank[role] ?? 1;
    if (r > bestRank) {
      best = role;
      bestRank = r;
    }
  }
  return best || 'employee';
}

async function main() {
  for (const r of ROLES) {
    const existing = await prisma.role.findFirst({ where: { code: r.code } });
    if (existing) {
      await prisma.role.update({ where: { id: existing.id }, data: { name: r.name, dataScope: r.dataScope } });
    } else {
      await prisma.role.create({ data: { name: r.name, code: r.code, dataScope: r.dataScope } });
    }
  }
  await prisma.role.updateMany({ where: { code: 'biz_staff' }, data: { name: '商务专员' } });
  await prisma.role.updateMany({ where: { code: 'biz_director' }, data: { name: '商务总监' } });
  await prisma.role.updateMany({ where: { code: 'owner' }, data: { name: '企业负责人' } });

  const dump = JSON.parse(fs.readFileSync(DUMP, 'utf8')) as {
    posts: { id: number; code: string; name: string }[];
    users: { id: number; userName: string; nickName: string }[];
    userPosts: { postId: number; userId: number }[];
  };
  const postById = new Map(dump.posts.map((p) => [p.id, p]));
  const postsByUser = new Map<number, { code: string; name: string }[]>();
  for (const up of dump.userPosts) {
    const post = postById.get(up.postId);
    if (!post) continue;
    const list = postsByUser.get(up.userId) || [];
    list.push(post);
    postsByUser.set(up.userId, list);
  }

  const roles = await prisma.role.findMany();
  const roleByCode = new Map(roles.map((r) => [r.code, r.id]));
  let n = 0;
  for (const u of dump.users) {
    if (u.userName === 'administrator') continue;
    const user = await prisma.user.findFirst({ where: { username: u.userName } });
    if (!user) continue;
    const posts = postsByUser.get(u.id) || [];
    const roleCode = pickRole(u.userName, posts.map((p) => p.code));
    const roleId = roleByCode.get(roleCode);
    if (!roleId) continue;
    await prisma.userRole.deleteMany({ where: { userId: user.id } });
    await prisma.userRole.create({ data: { userId: user.id, roleId } });
    const title = posts.find((p) => POST_ROLE[p.code] === roleCode)?.name || posts[0]?.name;
    if (title && user.employeeId) {
      await prisma.employee.update({ where: { id: user.employeeId }, data: { title } });
    }
    n += 1;
  }

  const delQual = await prisma.qualification.deleteMany({ where: { code: 'QUAL_P6_OLD' } });

  const cancelled = await prisma.approvalTask.updateMany({
    where: { bizType: 'EXPENSE_APPROVAL', status: 'PENDING' },
    data: { status: 'CANCELLED' },
  });

  console.log(
    JSON.stringify({
      reassignedUsers: n,
      deletedTestQuals: delQual.count,
      cancelledExpenseApprovals: cancelled.count,
    }),
  );
}

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