import {
  Controller,
  Get,
  Post,
  Body,
  Patch,
  Param,
  Delete,
  UseGuards,
  UseInterceptors,
  UsePipes,
  ValidationPipe,
  UploadedFiles,
  Res,
  HttpStatus,
  UploadedFile,
  Query,
  Headers,
  NotFoundException,
  BadRequestException,
} from '@nestjs/common';
import { TipsService } from './tips.service';
import { CreateTipDto } from './dto/create-tip.dto';
import { UpdateTipDto } from './dto/update-tip.dto';
import { AuthMiddleware } from 'src/common/middleware/auth.middleware';
import {
  FileFieldsInterceptor,
  FileInterceptor,
} from '@nestjs/platform-express';
import { FileValidationInterceptor } from 'src/common/file upload/ValidationInterceptor';
import { tipsConfig } from 'src/common/file upload/multer-config';
import {
  errorResponse,
  successResponse,
  validationErrorMessage,
} from 'src/common/errors/response-config';
import { Response as ExpressResponse } from 'express';
import { limits } from 'src/common/file upload/multer-config-helper';
import { lan } from 'src/lan';
import { saveError } from 'src/api-logs/api-error-log';
import { InjectRepository } from '@nestjs/typeorm';
import { ApiLog } from 'src/api-logs/entities/api-log.entity';
import { Repository } from 'typeorm';
import { CreateTipsImageDto } from './dto/create-tip-image.dto';

@Controller('tips')
@UseGuards(AuthMiddleware)
export class TipsController {
  constructor(
    private readonly tipsService: TipsService,
    @InjectRepository(ApiLog)
    private readonly apiLogRepository: Repository<ApiLog>,
  ) {}

  @Post()
  @UseInterceptors(
    FileFieldsInterceptor([{ name: 'media', maxCount: 10 }], tipsConfig),
    FileValidationInterceptor,
  )
  @UsePipes(
    new ValidationPipe({
      exceptionFactory: validationErrorMessage,
      transform: true,
      transformOptions: {
        enableImplicitConversion: true,
      },
    }),
  )
  async create(
    @Body() createTipDto: CreateTipDto,
    @UploadedFiles() files,
    @Res() res: ExpressResponse,
  ) {
    try {
      const attachments = files['media'];
      let imageURLs: any[] = [];

      if (Array.isArray(files.media)) {
        for (const file of attachments) {
          if (file.size > limits.fileSize[file.mimetype.split('/')[0]]) {
            return res.send(
              errorResponse(413, lan('common.limit_has_exceeded')),
            );
          }
        }

        imageURLs = attachments.map(async (file: any) => {
          const filePath = `uploads/tips/${file.filename}`;

          return {
            path: filePath,
            mimetype: file.mimetype.split('/'),
          };
        });
      }

      const createTipsImageDto = new CreateTipsImageDto();
      createTipsImageDto.media = await Promise.all(imageURLs);

      await this.tipsService.create(createTipDto, createTipsImageDto);

      res.send(successResponse(201, lan('common.request_submitted')));
    } catch (error) {
      res
        .status(HttpStatus.INTERNAL_SERVER_ERROR)
        .send(errorResponse(500, lan('common.internal_server_error'), error));

      saveError(error, this.apiLogRepository);
    }
  }

  @Get()
  async findAll(
    @Query('take') take: number,
    @Query('skip') skip: number,
    @Query('category_id') categoryId: string,
    @Res() res: ExpressResponse,
    @Headers() headers: any,
  ) {
    try {
      const data = await this.tipsService.findAll(
        take,
        skip,
        categoryId,
        headers,
      );
      res
        .status(HttpStatus.OK)
        .send(
          successResponse(200, lan('common.data_retrieved_successfully'), data),
        );
    } catch (error) {
      res
        .status(HttpStatus.INTERNAL_SERVER_ERROR)
        .send(errorResponse(500, lan('common.internal_server_error'), error));

      saveError(error, this.apiLogRepository);
    }
  }

  @Get(':id')
  async findOne(@Param('id') id: string, @Res() res: ExpressResponse) {
    try {
      const data = await this.tipsService.findOne(id);

      res
        .status(HttpStatus.OK)
        .send(
          successResponse(200, lan('common.data_retrieved_successfully'), data),
        );
    } catch (error) {
      if (
        error instanceof NotFoundException ||
        error instanceof BadRequestException
      ) {
        res
          .status(HttpStatus.BAD_REQUEST)
          .send(errorResponse(400, error.message));
      } else {
        res
          .status(HttpStatus.INTERNAL_SERVER_ERROR)
          .send(errorResponse(500, lan('common.internal_server_error'), error));
      }

      saveError(error, this.apiLogRepository);
    }
  }

  @Patch(':id')
  @UseInterceptors(
    FileFieldsInterceptor([{ name: 'media', maxCount: 10 }], tipsConfig),
    FileValidationInterceptor,
  )
  async update(
    @Param('id') id: string,
    @Body() updateTipDto: UpdateTipDto,
    @Res() res: ExpressResponse,
    @UploadedFiles() files,
  ) {
    try {
      const attachments = files['media'];
      let imageURLs: any[] = [];

      if (Array.isArray(files.media)) {
        for (const file of attachments) {
          if (file.size > limits.fileSize[file.mimetype.split('/')[0]]) {
            return res.send(
              errorResponse(413, lan('common.limit_has_exceeded')),
            );
          }
        }

        imageURLs = attachments.map(async (file: any) => {
          const filePath = `uploads/tips/${file.filename}`;

          return {
            path: filePath,
            mimetype: file.mimetype.split('/'),
          };
        });
      }

      const createTipsImageDto = new CreateTipsImageDto();
      createTipsImageDto.media = await Promise.all(imageURLs);

      await this.tipsService.update(id, updateTipDto, createTipsImageDto);

      res
        .status(HttpStatus.OK)
        .send(successResponse(200, lan('common.data_updated')));
    } catch (error) {
      if (
        error instanceof NotFoundException ||
        error instanceof BadRequestException
      ) {
        res
          .status(HttpStatus.BAD_REQUEST)
          .send(errorResponse(404, error.message));
      } else {
        res
          .status(HttpStatus.INTERNAL_SERVER_ERROR)
          .send(errorResponse(500, lan('common.internal_server_error'), error));
      }

      saveError(error, this.apiLogRepository);
    }
  }

  @Delete(':id')
  async remove(@Param('id') id: string, @Res() res: ExpressResponse) {
    try {
      await this.tipsService.remove(id);

      res
        .status(HttpStatus.OK)
        .send(successResponse(200, lan('common.data_deleted')));
    } catch (error) {
      if (
        error instanceof NotFoundException ||
        error instanceof BadRequestException
      ) {
        res
          .status(HttpStatus.BAD_REQUEST)
          .send(errorResponse(404, error.message));
      } else {
        res
          .status(HttpStatus.INTERNAL_SERVER_ERROR)
          .send(errorResponse(500, lan('common.internal_server_error'), error));
      }

      saveError(error, this.apiLogRepository);
    }
  }

  @Delete('delete-image/:tipsId/:imageId')
  @UseGuards(AuthMiddleware)
  async deleteImage(
    @Param('tipsId') tipsId: string,
    @Param('imageId') imageId: string,
    @Res() res: ExpressResponse,
  ) {
    try {
      await this.tipsService.deleteImage(tipsId, imageId);

      res
        .status(HttpStatus.OK)
        .send(successResponse(200, lan('common.data_deleted')));
    } catch (error) {
      if (error instanceof NotFoundException) {
        res
          .status(HttpStatus.BAD_REQUEST)
          .send(errorResponse(404, error.message));
      } else {
        res
          .status(HttpStatus.INTERNAL_SERVER_ERROR)
          .send(errorResponse(500, lan('common.internal_server_error'), error));
      }

      saveError(error, this.apiLogRepository);
    }
  }
}