import {
  Logger,
  Body,
  Controller,
  Headers,
  Post,
  HttpCode,
  HttpStatus,
  OnApplicationBootstrap,
} from '@nestjs/common';
import { ApiTags } from '@nestjs/swagger';
import {
  AuthSignInRequest,
  AuthRefreshAccessTokenRequest,
  AuthChangePasswordRequest,
  AuthResetPasswordRequest,
  AuthVerifyResetPasswordCodeRequest,
  AuthConfirmResetPasswordRequest,
  AuthEnableTotpMfaRequest,
  AuthDisableTotpMfaRequest,
  AuthVerifyTotpMfaRequest,
} from '@victorradael/protospack-v2/dist/lib/Duc/interfaces/messages';

import { AuthClientService } from '../../clients/auth/client.service';
import { PermissionsClientService } from '../../clients/permissions/client.service';
import { Permissions } from '../../authentication/permissions.enum';

import ErrorBuilder from '../../utils/ErrorBuilder';
import { LoginDto } from './dtos/login';

@ApiTags('Auth')
@Controller('auth')
export class AuthController implements OnApplicationBootstrap {
  private readonly logger = new Logger(AuthController.name);

  constructor(
    private authClient: AuthClientService,
    private permissionsClient: PermissionsClientService,
  ) {}

  // internally used to send permissions to duc on microservice startup
  async onApplicationBootstrap() {
    this.logger.log('sending permissions to DUC...');

    const permissions = Object.values(Permissions).flatMap((namespace) =>
      Object.values(namespace),
    );

    return this.permissionsClient
      .injectPermissions({ permissions })
      .catch((err: ErrorBuilder) => {
        if (
          err.code === 'No connection established' &&
          process.env.LOCAL_ENV === 'true'
        ) {
          return this.logger.log(
            "couldn't connect to DUC. suppresing in local env",
          );
        }

        throw err;
      });
  }

  @Post('sign-in')
  @HttpCode(HttpStatus.OK)
  async signIn(@Body() { username, password, totp }: AuthSignInRequest) {
    this.logger.log(`/auth`, 'SignIn');

    return this.authClient.signIn({ username, password, totp });
  }

  @Post('refresh-access-token')
  @HttpCode(HttpStatus.OK)
  async refreshAccessToken(
    @Body() { refreshToken }: AuthRefreshAccessTokenRequest,
  ) {
    this.logger.log(`/auth`, 'RefreshAccessToken');

    return this.authClient.refreshAccessToken({ refreshToken });
  }

  @Post('change-password')
  @HttpCode(HttpStatus.OK)
  async changePassword(
    @Body() body: AuthChangePasswordRequest,
    @Headers() headers,
  ) {
    this.logger.log(`/auth`, 'change-password');

    const { oldPassword, newPassword } = body;
    const { authorization: accessToken } = headers;

    return this.authClient.changePassword({
      accessToken,
      oldPassword,
      newPassword,
    });
  }

  @Post('reset-password')
  @HttpCode(HttpStatus.OK)
  async resetPassword(@Body() body: AuthResetPasswordRequest) {
    this.logger.log(`/auth`, 'reset-password');

    const { username } = body;

    return this.authClient.resetPassword({ username });
  }

  @Post('verify-reset-password-code')
  @HttpCode(HttpStatus.OK)
  async verifyResetPasswordCode(
    @Body() body: AuthVerifyResetPasswordCodeRequest,
  ) {
    this.logger.log(`/auth`, 'verify-reset-password-code');

    const { username, code } = body;

    return this.authClient.verifyResetPasswordCode({ username, code });
  }

  @Post('confirm-reset-password')
  @HttpCode(HttpStatus.OK)
  async confirmResetPassword(@Body() body: AuthConfirmResetPasswordRequest) {
    this.logger.log(`/auth`, 'confirm-reset-password');

    const { username, code, newPassword } = body;

    return this.authClient.confirmResetPassword({
      username,
      code,
      newPassword,
    });
  }

  @Post('enable-totp')
  @HttpCode(HttpStatus.OK)
  async enableTotpMFA(
    @Body() body: AuthEnableTotpMfaRequest,
    @Headers() headers,
  ) {
    this.logger.log(`/auth`, 'enable-totp');

    const { password } = body;
    const { authorization: accessToken } = headers;

    return this.authClient.enableTotpMFA({ accessToken, password });
  }

  @Post('disable-totp')
  @HttpCode(HttpStatus.OK)
  async disableTotpMFA(
    @Body() body: AuthDisableTotpMfaRequest,
    @Headers() headers,
  ) {
    this.logger.log(`/auth`, 'disable-totp');

    const { password } = body;
    const { authorization: accessToken } = headers;

    return this.authClient.disableTotpMFA({ accessToken, password });
  }

  @Post('dismiss-totp')
  @HttpCode(HttpStatus.OK)
  async dismissTotpMFA(@Headers() headers) {
    this.logger.log(`/auth`, 'disable-totp');

    const { authorization: accessToken } = headers;

    return this.authClient.dismissTotpMFA({ accessToken });
  }

  @Post('verify-totp')
  @HttpCode(HttpStatus.OK)
  async verifyTotp(@Body() body: AuthVerifyTotpMfaRequest, @Headers() headers) {
    this.logger.log(`/auth`, 'enable-totp');

    const { totp } = body;
    const { authorization: accessToken } = headers;

    return this.authClient.verifyTotp({ accessToken, totp });
  }
}