import {
  Body,
  Controller,
  Delete,
  Get,
  Inject,
  Param,
  Post,
  Put,
  Query,
  UseFilters,
  HttpCode,
  HttpStatus,
  Patch,
  HttpException,
  BadRequestException,
  CacheTTL,
} from '@nestjs/common';
import {
  ApiCreatedResponse,
  ApiHeaders,
  ApiNoContentResponse,
  ApiOperation,
  ApiTags,
} from '@nestjs/swagger';
import {
  AuthenticateCondition,
  RequireAllPermissions,
} from 'src/decorators/authentication.decorator';
import { PERMISSIONS_GROUPS } from '../../authentication/permissions.enum';
import { PipelinesService } from './pipelines.service';
import { DadosferaLogger } from '@dadosfera/dadosfera-logs';
import { Messages } from '@dadosfera/protospack-v2/dist/lib/PipelineV2';
import { RequestUser, User } from 'src/decorators/user.decorator';
import { PackTheMetadata } from 'src/utils/ PackTheMetadata';

import { PipelinesService as OldPipelineService } from 'src/modules/pipelines/pipelines.service';
import {
  ICompleteUploadCSVFile,
  ICreatePipelineCSVFile,
  ICreatePipelineV2Req,
  IPipelineV2,
  IInitUploadCSVFile,
  PipelineFindAllReq,
} from './interfaces';
import { GrpcToHttpExceptionFilter } from 'src/error/grpc-to-http-exception.filter';
import { LanguageEnum } from 'src/utils/languages.enum';
import { Language } from 'src/decorators/language.decorator';
import { ApiInternalOnlyEndpoint } from 'src/decorators/swagger.decorator';

@ApiTags('PipelinesV2')
@ApiHeaders([{ name: 'dadosfera-lang', enum: LanguageEnum, required: false }])
@UseFilters(new GrpcToHttpExceptionFilter())
@Controller('pipelinesV2')
@AuthenticateCondition((req, user) => {
  let action;

  switch (req.method) {
    case 'POST':
      action = 'CREATE';
      break;

    case 'PUT':
      action = 'UPDATE';
      break;

    case 'PATCH':
      action = 'UPDATE';
      break;

    default:
      action = req.method;
  }

  return user.permissions.includes(
    PERMISSIONS_GROUPS.PIPELINE.permissions[action].seqid,
  );
})
export class PipelinesController {
  logger: DadosferaLogger;
  constructor(
    @Inject(DadosferaLogger)
    dadosferaLogger: DadosferaLogger,
    private pipelinesClientService: PipelinesService,
    private oldPipelinesService: OldPipelineService,
  ) {
    this.logger = dadosferaLogger.logger;
  }

  @Get('monitoring-dashboard')
  async getMonitoringDashboard(@User() user: RequestUser) {
    this.logger.info('PipelinesController - getMonitoringDashboard', { user });

    const metadata = PackTheMetadata(user);

    const response =
      await this.pipelinesClientService.getMonitoringDashboardUrl(metadata);

    return response;
  }

  @Post()
  @ApiCreatedResponse({ type: IPipelineV2 })
  async create(
    @Language() language: LanguageEnum,
    @User() user: RequestUser,
    @Body() createPipelineDto: ICreatePipelineV2Req,
  ) {
    this.logger.info('PipelinesController - create', { user });

    const { customer_id, customer_name, username, user_id } = user;
    const metadata = PackTheMetadata({
      customer_id,
      customer_name,
      username,
      user_id,
      language,
    });

    const response = await this.pipelinesClientService.create(
      createPipelineDto,
      metadata,
    );

    return response;
  }

  @Get()
  async findAll(
    @User() user: RequestUser,
    @Language() language: LanguageEnum,
    @Query() data: PipelineFindAllReq,
  ) {
    this.logger.info('PipelinesController - findAll', { user });

    const { customer_id, customer_name, user_id, username } = user;
    const metadata = PackTheMetadata({
      customer_id,
      customer_name,
      user_id,
      username,
      language,
    });

    const response = await this.pipelinesClientService.findAll(data, metadata);

    return {
      pipelines: [...response.pipelines],
    };
  }

  @Get('/download-logs')
  async downloadLogs(
    @User() user: RequestUser,
    @Language() language: LanguageEnum,
    @Query('pipeline_run_id') pipeline_run_id: string,
  ) {
    this.logger.info('PipelinesController - downloadLogs', { user });

    if (!pipeline_run_id)
      throw new BadRequestException('Missing pipeline_run_id');

    const { customer_id, customer_name, user_id, username } = user;
    const metadata = PackTheMetadata({
      customer_id,
      customer_name,
      user_id,
      username,
      language,
    });

    const url = await this.pipelinesClientService.downloadLogs(
      pipeline_run_id,
      metadata,
    );

    return {
      url,
    };
  }

  @Get(':id/config')
  async getPipelineproperties(
    @Language() language: LanguageEnum,
    @User() user: RequestUser,
    @Param('id') id: string,
  ) {
    this.logger.info('PipelinesController - getPipelineproperties', { user });
    const metadata = PackTheMetadata({ ...user, language: language });
    return this.pipelinesClientService.findOneProperties(id, metadata);
  }

  @Get(':id/objects')
  async getPipelineObjects(
    @Language() language: LanguageEnum,
    @User() user: RequestUser,
    @Param('id') id: string,
  ) {
    this.logger.info('PipelinesController - getPipelineObjects', { user });
    const metadata = PackTheMetadata({ ...user, language: language });
    return this.pipelinesClientService.findOneObjects(id, metadata);
  }

  @Get(':id/status')
  async getPipelineStatus(@Body() body, @Param('id') id: string) {
    body.id = id;

    this.logger.info(
      process.env.DEV_URL + `/pipeline/${id} - ON GET PIPELINE STATUS ROUTE`,
      {
        user: body.info.user_id,
        customer: body.info.customer,
      },
    );

    const response = await this.oldPipelinesService.getPipelineStatus(body);

    return response;
  }

  @Get('/:id')
  async findOne(
    @Language() language: LanguageEnum,
    @User() user: RequestUser,
    @Param('id') id: string,
  ): Promise<Messages.PipelineV2FindOneResponse> {
    this.logger.info('PipelinesController - findOne', { user });

    const { customer_id, customer_name, user_id, username } = user;

    const metadata = PackTheMetadata({
      customer_id,
      customer_name,
      user_id,
      username,
      language,
    });

    const result = await this.pipelinesClientService
      .findOne({ id }, metadata)
      .then((res) => {
        //{pipeline:{tables: {tables: [], input_id: ''}}}
        let tables = JSON.parse(res.pipeline.config.tables);
        if (tables?.tables) tables = tables.tables;
        Object.assign(res.pipeline, {
          transformations: res.pipeline.transformations
            ? JSON.parse(res.pipeline.transformations)
            : [],
          config: {
            cron: res.pipeline.config.cron,
            tables,
          },
          properties: res.pipeline.properties
            ? JSON.parse(res.pipeline.properties)
            : {},
        });
        return res;
      });
    return result;
  }

  @Patch('/:id')
  async update(
    @Language() language: LanguageEnum,
    @Body() updatePipelineDto,
    @Param('id') id: string,
    @User() user: RequestUser,
  ) {
    this.logger.info('PipelinesController - update', { user });
    const { info } = updatePipelineDto;
    delete updatePipelineDto.info;

    const { customer_id, customer_name, user_id, username } = user;

    const metadata = PackTheMetadata({
      customer_id,
      customer_name,
      user_id,
      username,
      language,
    });

    const response = await this.pipelinesClientService.update(
      {
        ...updatePipelineDto,
        info,
        id,
      },
      metadata,
    );

    this.logger.info('PipelinesController - update: OK', { user });
    return response;
  }

  @ApiInternalOnlyEndpoint()
  @Put('/:id')
  @ApiOperation({
    deprecated: true,
    description: 'This method is deprecated. Please use PATCH instead',
  })
  async updateDeprecated(
    @Language() language: LanguageEnum,
    @Body() updatePipelineDto,
    @Param('id') id: string,
    @User() user: RequestUser,
  ) {
    this.logger.info('PipelinesController - put', { user });
    const response = await this.update(language, updatePipelineDto, id, user);
    this.logger.info('PipelinesController - put: OK', { user });
    return response;
  }

  @Delete(':id')
  @ApiNoContentResponse()
  @HttpCode(HttpStatus.NO_CONTENT)
  async delete(@Param('id') id: string, @User() user: RequestUser) {
    this.logger.info('PipelinesController - delete', { user });
    const metadata = PackTheMetadata({
      customer_id: user.customer_id,
      customer_name: user.customer_name,
      user_id: user.user_id,
    });
    await this.pipelinesClientService.remove({ id, metadata, user });
    this.logger.info('PipelinesController - delete: OK');
  }

  @ApiInternalOnlyEndpoint()
  @Post('/init-upload')
  @RequireAllPermissions(PERMISSIONS_GROUPS.PIPELINE.permissions.CREATE)
  async initUploadFile(
    @User() user: RequestUser,
    @Body() body: IInitUploadCSVFile,
  ) {
    this.logger.info('/upload - Init Upload File Route');
    const metadata = PackTheMetadata({ ...user });

    const { file_name, parts } = body;

    const { urls, upload_id } =
      await this.pipelinesClientService.initUploadFile(
        {
          name: file_name,
          parts: String(parts),
        },
        metadata,
      );

    if (!urls) {
      this.logger.info('pipeline/upload - Failed File pipeline');
      throw new HttpException(
        'Upload failed, try again in a few minutes, if the problem persists, contact support.',
        HttpStatus.INTERNAL_SERVER_ERROR,
      );
    }

    return { urls: JSON.parse(urls), upload_id };
  }

  @ApiInternalOnlyEndpoint()
  @Post('/complete-upload')
  @RequireAllPermissions(PERMISSIONS_GROUPS.PIPELINE.permissions.CREATE)
  async completeUploadFile(
    @User() user: RequestUser,
    @Body() body: ICompleteUploadCSVFile,
  ) {
    this.logger.info('/upload - Complete Upload File Route');
    const metadata = PackTheMetadata({ ...user });

    const { upload_id, parts, file_name } = body;

    return await this.pipelinesClientService.completeUploadFile(
      { upload_id, parts, file_name },
      metadata,
    );
  }

  @ApiInternalOnlyEndpoint()
  @Post('/file')
  @RequireAllPermissions(PERMISSIONS_GROUPS.PIPELINE.permissions.CREATE)
  async uploadedFile(
    @User() user: RequestUser,
    @Body() body: ICreatePipelineCSVFile,
  ) {
    this.logger.info('/file - Upload Connector Route');
    const metadata = PackTheMetadata({ ...user });

    const { name, sep, header, encoding, description, file_name, engine } =
      body;

    const file_format_params = {
      ...(sep && { sep }),
      ...(encoding && { encoding }),
      ...(header !== undefined ? { header } : {}),
    };

    const source_prefix = `${user.customer_name}/${file_name}`;

    const upload_pipeline: ICreatePipelineV2Req = {
      connection_id: process.env.UPLOAD_FILE_AGENT_CONNECTION,
      connector_name: 'Amazon S3',
      connector_plugin: 'aws_s3',
      connector_version: '1.0.0',
      image_url: `https://assets.dadosfera.ai/images/connectors/${engine}.svg`,
      name,
      description,
      transformations_ids: [],
      tags: [],
      cron: '@once',
      type: 'upload',
      properties: {
        engine,
        source_bucket: process.env.BUCKET_CUSTOMER_CSV_ASSETS,
        source_prefix,
        file_format_params,
      },
      input_id: undefined,
    };

    const pipeline = await this.pipelinesClientService.create(
      upload_pipeline,
      metadata,
    );

    return pipeline;
  }

  @ApiInternalOnlyEndpoint()
  @Post('start/:id')
  async activate(@Param('id') id: string, @Body() body) {
    const { info } = body;

    this.logger.info(
      process.env.DEV_URL + `/pipeline/start/${id} - ON START PIPELINE ROUTE`,
      {
        user: body.info.user_id,
        customer: body.info.customer,
      },
    );

    const response = await this.oldPipelinesService.runPipeline({ id, info });

    return response;
  }
}