import { Body, Controller, Get, Post, Put, Request, Res, UseGuards } from '@nestjs/common';
import { Response } from 'express';
import { JwtAccessGuard } from 'src/auth/guards/jwt-access.guard';
import { BooksService } from './books.service';
import { BookSearchResultDto } from 'src/providers/dto/book-search-result.dto';
import { UpdateBookOriginDto } from './dto/update-book-origin.dto';
import { UpdateBookDto } from './dto/update-book.dto';
import { PinoLogger } from 'nestjs-pino';
import { QueryFailedError } from 'typeorm';

@UseGuards(JwtAccessGuard)
@Controller('books')
export class BooksController {
  constructor(
    private books: BooksService,
    private logger: PinoLogger,
  ) { }


  @Post('')
  async CreateBook(
    @Request() req,
    @Body() body: BookSearchResultDto,
    @Res({ passthrough: true }) response: Response,
  ) {
    try {
      return {
        success: true,
        data: await this.books.createBook(body),
      };
    } catch (err) {
      if (err instanceof QueryFailedError) {
        if (err.driverError.code == '23505') {
          // Book exists already.
          response.statusCode = 400;
          return {
            success: false,
            error_message: 'The book has already been added previously.',
          }
        }
      }

      this.logger.error({
        class: BooksController.name,
        method: this.CreateBook.name,
        user: req.user,
        msg: 'Failed to create book.',
        error: err,
      });

      response.statusCode = 500;
      return {
        success: false,
        error_message: 'Something went wrong while adding the book.',
      }
    }
  }

  @Get('')
  async GetBooksFromUser(
    @Request() req,
  ) {
    return {
      success: true,
      data: await this.books.findBookStatusesTrackedBy(req.user.userId),
    };
  }

  @Put('')
  async UpdateBook(
    @Body() body: UpdateBookDto,
  ) {
    const data = { ...body };
    delete data['bookId'];

    const result = await this.books.updateBook(body.bookId, data);
    return {
      success: result?.affected == 1,
    };
  }

  @Put('origins')
  async UpdateBookOrigin(
    @Body() body: UpdateBookOriginDto,
  ) {
    const data = { ...body };
    delete data['bookOriginId'];

    const result = await this.books.updateBookOrigin(body.bookOriginId, data);
    return {
      success: result?.affected == 1,
    };
  }
}