import {
  Body,
  Controller,
  Delete,
  Get,
  HttpCode,
  Param,
  ParseIntPipe,
  Patch,
  Post,
  Put,
  Query,
} from '@nestjs/common';
import { CreateProductDto } from './dto/create-product.dto';
import { UpdateProductDto } from './dto/update-product.dto';
import { ProductsService } from './products.service';
import { MergeProductsDto } from './dto/merge-products.dto';
import { UpdateCanonicalNameDto } from './dto/update-canonical-name.dto';
import { SetTagsDto } from './dto/set-tags.dto';
import { UpsertNutritionDto } from './dto/upsert-nutrition.dto';

@Controller('products')
export class ProductsController {
  constructor(private readonly productsService: ProductsService) {}

  @Get()
  findAll(
    @Query('tag') tag?: string,
    @Query('subcategory') subcategory?: string,
  ) {
    return this.productsService.findAll({ tag, subcategory });
  }

  @Get('tags')
  findAllTags() {
    return this.productsService.findAllTags();
  }

  @Get('duplicates')
  findDuplicates() {
    return this.productsService.findDuplicateCandidates();
  }

  @Get('merge-preview')
  previewMerge(
    @Query('sourceProductId', ParseIntPipe) sourceProductId: number,
    @Query('targetProductId', ParseIntPipe) targetProductId: number,
  ) {
    return this.productsService.previewMerge(sourceProductId, targetProductId);
  }

  @Post('backfill-canonical')
  backfillCanonical() {
    return this.productsService.backfillCanonicalNames();
  }

  @Get(':id')
  findOne(@Param('id', ParseIntPipe) id: number) {
    return this.productsService.findOne(id);
  }

  @Post()
  create(@Body() body: CreateProductDto) {
    return this.productsService.create(body);
  }

  @Post('merge')
  merge(@Body() body: MergeProductsDto) {
    return this.productsService.merge(body.sourceProductId, body.targetProductId);
  }

  @Patch(':id/canonical-name')
  updateCanonicalName(
    @Param('id', ParseIntPipe) id: number,
    @Body() body: UpdateCanonicalNameDto,
  ) {
    return this.productsService.updateCanonicalName(id, body.canonicalName);
  }

  @Put(':id/tags')
  setTags(
    @Param('id', ParseIntPipe) id: number,
    @Body() body: SetTagsDto,
  ) {
    return this.productsService.setTags(id, body.tags);
  }

  @Put(':id/nutrition')
  upsertNutrition(
    @Param('id', ParseIntPipe) id: number,
    @Body() body: UpsertNutritionDto,
  ) {
    return this.productsService.upsertNutrition(id, body);
  }

  @Patch(':id')
  update(
    @Param('id', ParseIntPipe) id: number,
    @Body() body: UpdateProductDto,
  ) {
    return this.productsService.update(id, body);
  }

  @Delete(':id')
  remove(@Param('id', ParseIntPipe) id: number) {
    return this.productsService.remove(id);
  }

  @Post(':id/restore')
  restore(@Param('id', ParseIntPipe) id: number) {
    return this.productsService.restore(id);
  }

  @Delete('reset-all')
  @HttpCode(200)
  resetAll() {
    return this.productsService.resetAll();
  }
}