import { describe, expect, it } from 'vitest';

import { repairAuthPublicUserCodesInMigration } from './repair-auth-public-user-codes.mjs';

function table(name: string, rows: unknown[]) {
  return { name, rows };
}

describe('repairAuthPublicUserCodesInMigration', () => {
  it('keeps the first public code and reassigns duplicate codes and usernames', () => {
    const migration = {
      schema_version: 7,
      exported_at_micros: 1,
      tables: [
        table('user_account', [
          {
            user_id: 'user_a',
            public_user_code: 'SY-00000007',
            username: 'phone_00000008',
            login_method: 'phone',
          },
          {
            user_id: 'user_b',
            public_user_code: 'SY-00000007',
            username: 'phone_00000008',
            login_method: 'phone',
          },
          {
            user_id: 'user_c',
            public_user_code: 'SY00000009',
            username: 'phone_00000010',
            login_method: 'phone',
          },
        ]),
        table('auth_identity', [{ identity_id: 'authi_phone_1' }]),
      ],
    };

    const result = repairAuthPublicUserCodesInMigration(migration);

    expect(result.migration.tables).toHaveLength(1);
    expect(result.migration.tables[0].name).toBe('user_account');
    expect(result.migration.tables[0].rows).toMatchObject([
      {
        user_id: 'user_a',
        public_user_code: 'SY-00000007',
        username: 'phone_00000008',
      },
      {
        user_id: 'user_b',
        public_user_code: 'SY-00000010',
        username: 'phone_00000011',
      },
      {
        user_id: 'user_c',
        public_user_code: 'SY-00000009',
        username: 'phone_00000010',
      },
    ]);
    expect(result.repairedRows).toEqual([
      {
        userId: 'user_b',
        field: 'public_user_code',
        from: 'SY-00000007',
        to: 'SY-00000010',
      },
      {
        userId: 'user_b',
        field: 'username',
        from: 'phone_00000008',
        to: 'phone_00000011',
      },
    ]);
  });

  it('assigns missing public codes without colliding with existing codes', () => {
    const migration = {
      schema_version: 7,
      exported_at_micros: 1,
      tables: [
        table('user_account', [
          {
            user_id: 'user_a',
            public_user_code: '',
            username: '',
            login_method: 'password',
          },
          {
            user_id: 'user_b',
            public_user_code: 'SY-00000002',
            username: 'phone_00000003',
            login_method: 'phone',
          },
        ]),
      ],
    };

    const result = repairAuthPublicUserCodesInMigration(migration);

    expect(result.migration.tables[0].rows).toMatchObject([
      {
        user_id: 'user_a',
        public_user_code: 'SY-00000003',
        username: 'phone_00000004',
      },
      {
        user_id: 'user_b',
        public_user_code: 'SY-00000002',
        username: 'phone_00000003',
      },
    ]);
  });
});