package com.xinquan.course.controller.client;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.xinquan.common.core.domain.R;
import com.xinquan.common.core.utils.page.CollUtils;
import com.xinquan.common.core.utils.page.PageDTO;
import com.xinquan.common.security.utils.SecurityUtils;
import com.xinquan.course.api.domain.Course;
import com.xinquan.course.api.domain.CourseCategory;
import com.xinquan.course.service.CourseCategoryService;
import com.xinquan.course.service.CourseCategoryService;
import com.xinquan.course.service.CourseService;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.time.LocalDateTime;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * <p>
 * 课程分类表 前端控制器
 * </p>
 *
 * @author mitao
 * @since 2024-08-21
 */
@RestController
@RequestMapping("/client/course/course-category")
public class ClientCourseCategoryController {
    @Autowired
    private CourseCategoryService courseCategoryService;
    @Autowired
    private CourseService courseService;
    @PostMapping("/courseCategoryManagementList")
    @ApiOperation(value = "分类列表-分页", tags = {"管理后台-分类管理"})
    @ApiImplicitParams({
            @ApiImplicitParam(name = "pageCurr", value = "分页参数，当前页码", dataType = "Integer", required = true),
            @ApiImplicitParam(name = "pageSize", value = "分页参数，每页数量", dataType = "Integer", required = true)
    })
    public R<PageDTO<CourseCategory>> courseCategoryManagementList(@RequestParam(value = "pageCurr")Integer pageCurr,
                                                                  @RequestParam(value = "pageSize")Integer pageSize) {
        LambdaQueryWrapper<CourseCategory> courseLambdaQueryWrapper = new LambdaQueryWrapper<>();
        courseLambdaQueryWrapper.orderByDesc(CourseCategory::getSortNum);
        Page<CourseCategory> page = courseCategoryService.page(new Page<>(pageCurr, pageSize), courseLambdaQueryWrapper);
        if (CollUtils.isEmpty(page.getRecords())) {
            return R.ok(PageDTO.empty(page));
        }
        for (CourseCategory record : page.getRecords()) {
            record.setUid(record.getId()+"");
        }
        return R.ok(PageDTO.of(page, CourseCategory.class));
    }
    @PostMapping("/courseCategoryManagementList1")
    @ApiOperation(value = "分类列表-分页", tags = {"管理后台-分类管理"})
    @ApiImplicitParams({
            @ApiImplicitParam(name = "pageCurr", value = "分页参数，当前页码", dataType = "Integer", required = true),
            @ApiImplicitParam(name = "pageSize", value = "分页参数，每页数量", dataType = "Integer", required = true)
    })
    public R<PageDTO<CourseCategory>> courseCategoryManagementList1(@RequestParam(value = "pageCurr")Integer pageCurr,
                                                                  @RequestParam(value = "pageSize")Integer pageSize) {
        LambdaQueryWrapper<CourseCategory> courseLambdaQueryWrapper = new LambdaQueryWrapper<>();
        courseLambdaQueryWrapper.ne(CourseCategory::getName,"线下课程");
        courseLambdaQueryWrapper.orderByDesc(CourseCategory::getSortNum);
        Page<CourseCategory> page = courseCategoryService.page(new Page<>(pageCurr, pageSize), courseLambdaQueryWrapper);
        if (CollUtils.isEmpty(page.getRecords())) {
            return R.ok(PageDTO.empty(page));
        }
        for (CourseCategory record : page.getRecords()) {
            record.setUid(record.getId()+"");
        }
        return R.ok(PageDTO.of(page, CourseCategory.class));
    }
    @PostMapping("/addCourseCategory")
    @ApiOperation(value = "新增分类管理", tags = "管理后台-分类管理")
    public R addCourseCategory(@RequestBody CourseCategory homeBackgroundMusic) {
        homeBackgroundMusic.setCreateBy(SecurityUtils.getUsername());
        homeBackgroundMusic.setCreateTime(LocalDateTime.now());
        return R.ok(courseCategoryService.save(homeBackgroundMusic));
    }
    @GetMapping("/detailCourseCategory")
    @ApiOperation(value = "查看详情分类管理", tags = "管理后台-分类管理")
    public R<CourseCategory> detailCourseCategory(String uid) {
        return R.ok(courseCategoryService.getById(uid));
    }
    @PostMapping("/updateCourseCategory")
    @ApiOperation(value = "修改分类管理", tags = "管理后台-分类管理")
    public R updateCourseCategory(@RequestBody CourseCategory homeBackgroundMusic) {
        homeBackgroundMusic.setUpdateBy(SecurityUtils.getUsername());
        homeBackgroundMusic.setUpdateTime(LocalDateTime.now());
        return R.ok(courseCategoryService.updateById(homeBackgroundMusic));
    }
    @PostMapping("/deleteCourseCategory")
    @ApiOperation(value = "批量删除", tags = "管理后台-分类管理")
    public R deleteCourseCategory(String ids) {
        // 全部修改为Long类型
        List<Long> collect = Arrays.stream(ids.split(",")).map(Long::valueOf).collect(Collectors.toList());
        for (Long l : collect) {
            List<Course> list = courseService.lambdaQuery().eq(Course::getCateId, l).list();
            if (!list.isEmpty()){
                CourseCategory byId = courseCategoryService.getById(l);
                return R.fail("分类名称:"+byId.getName()+"下存在关联课程,不可删除");
            }
        }
        return R.ok(courseCategoryService.removeBatchByIds(Arrays.asList(ids.split(",")).stream().map(Long::valueOf).collect(Collectors.toList())));
    }
}