import { ConfigModule, ConfigService } from '@nestjs/config';
import { Test, TestingModule } from '@nestjs/testing';
import { Aadb2cUser, B2cMetadata, JwkSignKey } from '../../../common/token';
import {
  AdB2cService,
  ConflictError,
} from '../../../gateways/adb2c/adb2c.service';
import { CryptoService } from '../../../gateways/crypto/crypto.service';
import { SendGridService } from '../../../gateways/sendgrid/sendgrid.service';
import { User } from '../../../repositories/users/entity/user.entity';
import { UsersRepositoryService } from '../../../repositories/users/users.repository.service';
import { UsersService } from '../users.service';

export type CryptoMockValue = {
  getPublicKey: string | Error;
};

export type UsersRepositoryMockValue = {
  updateUserVerified: undefined | Error;
  findUserById: User | Error;
  createNormalUser: User | Error;
  findSameAccountUsers: User[] | Error;
  findUserByExternalId: User | Error;
};

export type AdB2cMockValue = {
  getMetaData: B2cMetadata | Error;
  getSignKeySets: JwkSignKey[] | Error;
  changePassword: { sub: string } | Error;
  createUser: string | ConflictError | Error;
  getUser: Aadb2cUser | Error;
};

export type SendGridMockValue = {
  createMailContentFromEmailConfirm: {
    subject: string;
    text: string;
    html: string;
  };
  createMailContentFromEmailConfirmForNormalUser:
    | { subject: string; text: string; html: string }
    | Error;
  sendMail: undefined | Error;
};

export const makeDefaultAdB2cMockValue = (): AdB2cMockValue => {
  return {
    getMetaData: {
      issuer: 'issuer',
    },
    getSignKeySets: [
      {
        kid: 'kid',
        nbf: 1111111111,
        use: 'sig',
        kty: 'RSA',
        e: 'e',
        n: 'n',
      },
    ],
    changePassword: {
      sub: 'TEST9999',
    },
    createUser: '001',
    getUser: {
      displayName: 'Hanako Sato',
      mail: 'hanako@sample.com',
    },
  };
};

export const makeSendGridServiceMock = (value: SendGridMockValue) => {
  const { createMailContentFromEmailConfirm, sendMail } = value;
  return {
    createMailContentFromEmailConfirm:
      createMailContentFromEmailConfirm instanceof Error
        ? jest
            .fn<Promise<void>, []>()
            .mockRejectedValue(createMailContentFromEmailConfirm)
        : jest
            .fn<Promise<{ subject: string; text: string; html: string }>, []>()
            .mockResolvedValue(createMailContentFromEmailConfirm),
    sendMail:
      sendMail instanceof Error
        ? jest.fn<Promise<void>, []>().mockRejectedValue(sendMail)
        : jest.fn<Promise<void>, []>().mockResolvedValue(sendMail),
  };
};

export const makeAdB2cServiceMock = (value: AdB2cMockValue) => {
  const { getMetaData, getSignKeySets, changePassword, createUser, getUser } =
    value;

  return {
    getMetaData:
      getMetaData instanceof Error
        ? jest.fn<Promise<void>, []>().mockRejectedValue(getMetaData)
        : jest.fn<Promise<B2cMetadata>, []>().mockResolvedValue(getMetaData),
    getSignKeySets:
      getSignKeySets instanceof Error
        ? jest.fn<Promise<void>, []>().mockRejectedValue(getSignKeySets)
        : jest
            .fn<Promise<JwkSignKey[]>, []>()
            .mockResolvedValue(getSignKeySets),
    changePassword:
      changePassword instanceof Error
        ? jest.fn<Promise<void>, []>().mockRejectedValue(changePassword)
        : jest
            .fn<Promise<{ sub: string }>, []>()
            .mockResolvedValue(changePassword),
    createUser:
      createUser instanceof Error
        ? jest.fn<Promise<ConflictError>, []>().mockRejectedValue(createUser)
        : jest
            .fn<Promise<string | ConflictError>, []>()
            .mockResolvedValue(createUser),
    getUser:
      getUser instanceof Error
        ? jest
            .fn<Promise<Aadb2cUser | undefined>, []>()
            .mockRejectedValue(getUser)
        : jest
            .fn<Promise<Aadb2cUser | undefined>, []>()
            .mockResolvedValue(getUser),
  };
};

export type ConfigMockValue = {
  get: string | Error;
};

export const makeUsersServiceMock = async (
  cryptoMockValue: CryptoMockValue,
  usersRepositoryMockValue: UsersRepositoryMockValue,
  adB2cMockValue: AdB2cMockValue,
  sendGridMockValue: SendGridMockValue,
  configMockValue: ConfigMockValue,
): Promise<UsersService> => {
  const module: TestingModule = await Test.createTestingModule({
    providers: [UsersService],
    imports: [
      ConfigModule.forRoot({
        ignoreEnvFile: true,
        ignoreEnvVars: true,
      }),
    ],
  })
    .useMocker((token) => {
      switch (token) {
        case CryptoService:
          return makeCryptoServiceMock(cryptoMockValue);
        case UsersRepositoryService:
          return makeUsersRepositoryMock(usersRepositoryMockValue);
        case AdB2cService:
          return makeAdB2cServiceMock(adB2cMockValue);
        case SendGridService:
          return makeSendGridMock(sendGridMockValue);
        case ConfigService:
          return makeConfigMock(configMockValue);
      }
    })
    .compile();

  return module.get<UsersService>(UsersService);
};

export const makeCryptoServiceMock = (value: CryptoMockValue) => {
  const { getPublicKey } = value;

  return {
    getPublicKey:
      getPublicKey instanceof Error
        ? jest.fn<Promise<void>, []>().mockRejectedValue(getPublicKey)
        : jest.fn<Promise<string>, []>().mockResolvedValue(getPublicKey),
  };
};

class authorIdError extends Error {
  constructor(public code: string, e?: string) {
    super(e);
  }
}

export const makeUsersRepositoryMock = (value: UsersRepositoryMockValue) => {
  const {
    updateUserVerified,
    findUserById,
    createNormalUser,
    findSameAccountUsers,
    findUserByExternalId,
  } = value;

  const aIdError = new authorIdError('ER_DUP_ENTRY');

  return {
    updateUserVerified:
      updateUserVerified instanceof Error
        ? jest.fn<Promise<void>, []>().mockRejectedValue(updateUserVerified)
        : jest.fn<Promise<void>, []>().mockResolvedValue(updateUserVerified),
    findUserById:
      findUserById instanceof Error
        ? jest.fn<Promise<void>, []>().mockRejectedValue(findUserById)
        : jest.fn<Promise<User>, []>().mockResolvedValue(findUserById),
    createNormalUser:
      createNormalUser instanceof Error
        ? createNormalUser.name == 'ER_DUP_ENTRY'
          ? jest.fn<Promise<void>, []>().mockRejectedValue(aIdError)
          : jest.fn<Promise<void>, []>().mockRejectedValue(createNormalUser)
        : jest.fn<Promise<User>, []>().mockResolvedValue(createNormalUser),
    findSameAccountUsers:
      findSameAccountUsers instanceof Error
        ? jest
            .fn<Promise<User[] | undefined>, []>()
            .mockRejectedValue(findSameAccountUsers)
        : jest
            .fn<Promise<User[] | undefined>, []>()
            .mockResolvedValue(findSameAccountUsers),
    findUserByExternalId:
      findUserByExternalId instanceof Error
        ? jest.fn<Promise<void>, []>().mockRejectedValue(findUserByExternalId)
        : jest.fn<Promise<User>, []>().mockResolvedValue(findUserByExternalId),
  };
};

export const makeSendGridMock = (value: SendGridMockValue) => {
  const { sendMail, createMailContentFromEmailConfirmForNormalUser } = value;

  return {
    sendMail:
      sendMail instanceof Error
        ? jest.fn<Promise<void>, []>().mockRejectedValue(sendMail)
        : jest.fn<Promise<void>, []>().mockResolvedValue(sendMail),
    createMailContentFromEmailConfirmForNormalUser:
      createMailContentFromEmailConfirmForNormalUser instanceof Error
        ? jest
            .fn<Promise<void>, []>()
            .mockRejectedValue(createMailContentFromEmailConfirmForNormalUser)
        : jest
            .fn<Promise<{ subject: string; text: string; html: string }>, []>()
            .mockResolvedValue(createMailContentFromEmailConfirmForNormalUser),
  };
};

export const makeConfigMock = (value: ConfigMockValue) => {
  const { get } = value;

  return {
    get:
      get instanceof Error
        ? jest.fn<Promise<void>, []>().mockRejectedValue(get)
        : jest.fn<Promise<string>, []>().mockResolvedValue(get),
  };
};

export const makeDefaultCryptoMockValue = (): CryptoMockValue => {
  return {
    getPublicKey: [
      '-----BEGIN PUBLIC KEY-----',
      'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5IZZNgDew9eGmuFTezwd',
      'HYLSaJvUPPIKYoiOeVLD1paWNI517Vkaoh0ngprcKOdv6T1N07V4igK7mOim2zY3',
      'yCTR6wcWR3PfFJrl9vh5SOo79koZoJb27YiM4jtxfx2dezzp0T2GoNR5rRolPUbW',
      'FJXnDe0DVXYXpJLb4LAlF2XAyYX0SYKUVUsJnzm5k4xbXtnwPwVbpm0EdswBE6qS',
      'fiL9zWk9dvHoKzSnfSDzDFoFcEoVchawzYXf/MM1YR4wo5XyzECc6Q5Ah4z522//',
      'mBNNaDHv83Yuw3mGShT73iJ0JQdkTturshv2Ecma38r6ftrIwNYXw4VVatJM8+GO',
      'OQIDAQAB',
      '-----END PUBLIC KEY-----',
    ].join('\n'),
  };
};

export const makeDefaultSendGridlValue = (): SendGridMockValue => {
  return {
    sendMail: undefined,
    createMailContentFromEmailConfirm: { subject: '', text: '', html: '' },
    createMailContentFromEmailConfirmForNormalUser: {
      subject: 'test',
      text: 'test',
      html: 'test',
    },
  };
};

export const makeDefaultConfigValue = (): ConfigMockValue => {
  return {
    get: `test@example.co.jp`,
  };
};

// 個別のテストケースに対応してそれぞれのMockを用意するのは無駄が多いのでテストケース内で個別の値を設定する
export const makeDefaultUsersRepositoryMockValue =
  (): UsersRepositoryMockValue => {
    const newUser = new User();
    newUser.id = 111;

    const user1 = new User();
    user1.id = 2;
    user1.external_id = 'ede66c43-9b9d-4222-93ed-5f11c96e08e2';
    user1.account_id = 1234567890123456;
    user1.role = 'none';
    user1.author_id = '6cce347f-0cf1-a15e-19ab-d00988b643f9';
    user1.accepted_terms_version = '1.0';
    user1.email_verified = true;
    user1.auto_renew = false;
    user1.license_alert = false;
    user1.notification = false;
    user1.deleted_at = null;
    user1.created_by = 'test';
    user1.created_at = new Date();
    user1.updated_by = null;
    user1.updated_at = null;

    const user2 = new User();
    user2.id = 3;
    user2.external_id = '698176dc-4028-4638-a452-f00bf62a7781';
    user2.account_id = 1234567890123456;
    user2.role = 'none';
    user2.author_id = '551c4077-5b55-a38c-2c55-cd1edd537aa8';
    user2.accepted_terms_version = '1.0';
    user2.email_verified = true;
    user2.auto_renew = false;
    user2.license_alert = false;
    user2.notification = false;
    user2.deleted_at = null;
    user2.created_by = 'test';
    user2.created_at = new Date();
    user2.updated_by = null;
    user2.updated_at = null;

    return {
      updateUserVerified: undefined,
      findUserById: newUser,
      createNormalUser: newUser,
      findSameAccountUsers: [user1, user2],
      findUserByExternalId: newUser,
    };
  };