import {
  Body,
  Controller,
  Post,
  Get,
  HttpCode,
  HttpStatus,
  Inject,
  Headers,
  UseFilters,
} from '@nestjs/common';
import { ApiHeaders, ApiTags } from '@nestjs/swagger';
import { TermsOfUseAcceptRequest } from '@dadosfera/protospack-v2/dist/lib/Duc/interfaces/messages';

import { TermsOfUseClientService } from './termsOfUse.service';
import { DadosferaLogger } from '@dadosfera/dadosfera-logs';

import { GrpcToHttpExceptionFilter } from '../../error/grpc-to-http-exception.filter';
import { RequestUser, User } from '../../decorators/user.decorator';
import { Metadata } from '@grpc/grpc-js';
import { Language } from 'src/decorators/language.decorator';
import { LanguageEnum } from 'src/utils/languages.enum';
import { ApiInternalOnlyController } from 'src/decorators/swagger.decorator';

@ApiInternalOnlyController()
@ApiTags('TermsOfUse')
@ApiHeaders([{ name: 'dadosfera-lang', enum: LanguageEnum, required: false }])
@UseFilters(new GrpcToHttpExceptionFilter())
@Controller('terms-of-use')
export class TermsOfUseController {
  logger: DadosferaLogger;

  constructor(
    @Inject(DadosferaLogger)
    dadosferaLogger: DadosferaLogger,
    private termsOfUseClient: TermsOfUseClientService,
  ) {
    this.logger = dadosferaLogger.logger;
  }

  @Get('token')
  async getToken(
    @User({ required: true }) user: RequestUser,
    @Language() language: LanguageEnum,
  ) {
    this.logger.info('/terms-of-use - get token');
    const metadata = new Metadata();
    metadata.add('language', language || 'pt-br');

    return this.termsOfUseClient.getToken({ userId: user.user_id }, metadata);
  }

  @Post('accept')
  @HttpCode(HttpStatus.OK)
  async accept(@Body() body: TermsOfUseAcceptRequest, @Headers() headers) {
    this.logger.info('/terms-of-use - accept');

    const { token } = body;
    const fingerprint = {
      ip: process.env.ENV !== 'local' ? headers['x-forwarded-for'] : '0.0.0.0',
      port: process.env.ENV !== 'local' ? headers['x-forwarded-port'] : '00000',
      userAgent: headers['user-agent'],
    };

    return this.termsOfUseClient.accept({ token, fingerprint });
  }
}