package com.example.demo.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.example.demo.entity.IndustryNews;
import com.example.demo.response.R;
import com.example.demo.service.IndustryNewsService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import io.swagger.v3.oas.annotations.Operation;
import jakarta.annotation.Resource;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/industry")
public class IndustryNewsController {

    @Resource
    private IndustryNewsService industryNewsService;

    /**
     * 新增行业动态
     * @return
     */
    @Operation(summary = "新增行业动态")
    @PostMapping("/add")
    @CrossOrigin
    public R add(@RequestBody IndustryNews industryNews){
        industryNewsService.save(industryNews);
        return R.success();
    }

    /**
     * 查询所有行业动态(支持分页和条件查询)
     * @param industryNews 行业动态查询条件
     * @param pagenum 页码
     * @param pagesize 每页数量
     * @return
     */
    @Operation(summary = "查询行业动态列表")
    @PostMapping("/list")
    @CrossOrigin
    public R<PageInfo<IndustryNews>> list(@RequestBody IndustryNews industryNews, @RequestParam Integer pagenum, @RequestParam Integer pagesize){
        LambdaQueryWrapper<IndustryNews> industryNewsWrapper = new LambdaQueryWrapper<>();
        if(ObjectUtils.isNotEmpty(industryNews.getTitle())){
            industryNewsWrapper.like(IndustryNews::getTitle, industryNews.getTitle());
        }
        if(ObjectUtils.isNotEmpty(industryNews.getContent())){
            industryNewsWrapper.like(IndustryNews::getContent, industryNews.getContent());
        }
        if(ObjectUtils.isNotEmpty(industryNews.getStatus())){
            industryNewsWrapper.eq(IndustryNews::getStatus, industryNews.getStatus());
        }
        PageHelper.startPage(pagenum, pagesize);
        List<IndustryNews> industryNewsList = industryNewsService.list(industryNewsWrapper);
        PageInfo<IndustryNews> pageInfo = new PageInfo<>(industryNewsList);
        return R.data(pageInfo);
    }

    /**
     * 修改行业动态
     * @return
     */
    @Operation(summary = "修改行业动态")
    @PostMapping("/update")
    @CrossOrigin
    public R update(@RequestBody IndustryNews industryNews){
        industryNewsService.updateById(industryNews);
        return R.success();
    }

    /**
     * 删除行业动态
     * @return
     */
    @Operation(summary = "删除行业动态")
    @PostMapping("/delete")
    @CrossOrigin
    public R delete(@RequestParam Long id){
        industryNewsService.removeById(id);
        return R.success();
    }

    /**
     * 增加行业动态访问量
     * @param id 行业动态ID
     * @return
     */
    @Operation(summary = "增加访问量")
    @PostMapping("/increaseViews")
    @CrossOrigin
    public R increaseViews(@RequestParam Long id){
        // 查询行业动态
        IndustryNews industryNews = industryNewsService.getById(id);
        if(industryNews != null){
            // 访问量+1
            industryNews.setViews(industryNews.getViews() == null ? 1 : industryNews.getViews() + 1);
            // 更新数据库
            industryNewsService.updateById(industryNews);
        }
        return R.success();
    }

}