package cn.iocoder.yudao.module.aftersales.controller.admin.problem;

import cn.hutool.core.collection.CollUtil;
import cn.iocoder.yudao.framework.common.pojo.CommonResult;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.aftersales.controller.admin.problem.vo.AfterSaleProblemPageReqVO;
import cn.iocoder.yudao.module.aftersales.controller.admin.problem.vo.AfterSaleProblemRespVO;
import cn.iocoder.yudao.module.aftersales.controller.admin.problem.vo.AfterSaleProblemSaveReqVO;
import cn.iocoder.yudao.module.aftersales.dal.dataobject.problem.AfterSaleProblemDO;
import cn.iocoder.yudao.module.aftersales.service.problem.AfterSaleProblemService;
import cn.iocoder.yudao.module.crm.api.customer.CrmCustomerApi;
import cn.iocoder.yudao.module.crm.api.customer.dto.CrmCustomerRespDTO;
import cn.iocoder.yudao.module.system.api.storage.StorageAttachmentApi;
import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.annotation.Resource;
import jakarta.validation.Valid;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.util.*;

import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;

@Tag(name = "管理后台 - 售后问题库")
@RestController
@RequestMapping("/aftersales/problem")
@Validated
public class AfterSaleProblemController {

    @Resource
    private AfterSaleProblemService problemService;

    @Resource
    private CrmCustomerApi customerApi;
    @Resource
    private AdminUserApi adminUserApi;
    @Resource
    private StorageAttachmentApi storageAttachmentApi;

    @PostMapping("/create")
    @Operation(summary = "创建售后问题")
    @PreAuthorize("@ss.hasPermission('aftersales:problem:create')")
    public CommonResult<Long> createProblem(@Valid @RequestBody AfterSaleProblemSaveReqVO createReqVO) {
        return success(problemService.createProblem(createReqVO, getLoginUserId()));
    }

    @PutMapping("/update")
    @Operation(summary = "更新售后问题")
    @PreAuthorize("@ss.hasPermission('aftersales:problem:update')")
    public CommonResult<Boolean> updateProblem(@Valid @RequestBody AfterSaleProblemSaveReqVO updateReqVO) {
        problemService.updateProblem(updateReqVO);
        return success(true);
    }

    @DeleteMapping("/delete")
    @Operation(summary = "删除售后问题")
    @Parameter(name = "id", description = "问题编号", required = true, example = "1")
    @PreAuthorize("@ss.hasPermission('aftersales:problem:delete')")
    public CommonResult<Boolean> deleteProblem(@RequestParam("id") Long id) {
        problemService.deleteProblem(id);
        return success(true);
    }

    @GetMapping("/get")
    @Operation(summary = "获得售后问题")
    @Parameter(name = "id", description = "问题编号", required = true, example = "1")
    @PreAuthorize("@ss.hasPermission('aftersales:problem:query')")
    public CommonResult<AfterSaleProblemRespVO> getProblem(@RequestParam("id") Long id) {
        AfterSaleProblemDO problemDO = problemService.getProblem(id);
        AfterSaleProblemRespVO respVO = buildProblemDetailList(List.of(problemDO)).get(0);
        respVO.setAttachmentList(storageAttachmentApi.listAttachments("aftersales_after_sale_problem", id));
        return success(respVO);
    }

    @GetMapping("/page")
    @Operation(summary = "获得售后问题分页")
    @PreAuthorize("@ss.hasPermission('aftersales:problem:query')")
    public CommonResult<PageResult<AfterSaleProblemRespVO>> getProblemPage(@Valid AfterSaleProblemPageReqVO pageReqVO) {
        PageResult<AfterSaleProblemDO> pageResult = problemService.getProblemPage(pageReqVO);
        return success(new PageResult<>(buildProblemDetailList(pageResult.getList()), pageResult.getTotal()));
    }

    @PutMapping("/publish")
    @Operation(summary = "发布售后问题")
    @Parameter(name = "id", description = "问题编号", required = true, example = "1")
    @PreAuthorize("@ss.hasPermission('aftersales:problem:publish')")
    public CommonResult<Boolean> publishProblem(@RequestParam("id") Long id) {
        problemService.publishProblem(id);
        return success(true);
    }

    @PutMapping("/disable")
    @Operation(summary = "停用售后问题")
    @Parameter(name = "id", description = "问题编号", required = true, example = "1")
    @PreAuthorize("@ss.hasPermission('aftersales:problem:disable')")
    public CommonResult<Boolean> disableProblem(@RequestParam("id") Long id) {
        problemService.disableProblem(id);
        return success(true);
    }

    @GetMapping("/reference")
    @Operation(summary = "新工单受理参考检索(已发布问题)")
    @PreAuthorize("@ss.hasPermission('aftersales:problem:query')")
    public CommonResult<List<AfterSaleProblemRespVO>> getReferenceList(@Valid AfterSaleProblemPageReqVO pageReqVO) {
        return success(buildProblemDetailList(problemService.getReferenceList(pageReqVO)));
    }

    // ========== 内部方法：批量拼装关联名称 ==========

    private List<AfterSaleProblemRespVO> buildProblemDetailList(List<AfterSaleProblemDO> problemList) {
        if (CollUtil.isEmpty(problemList)) {
            return Collections.emptyList();
        }
        // 1. 批量加载客户名称
        Set<Long> customerIds = convertSet(problemList, AfterSaleProblemDO::getCustomerId);
        Map<Long, CrmCustomerRespDTO> customerMap = customerApi.getCustomerMap(customerIds);
        // 2. 批量加载沉淀人名称
        Set<Long> userIds = convertSet(problemList, AfterSaleProblemDO::getOwnerUserId);
        Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(userIds);
        // 3. 拼装名称字段
        return BeanUtils.toBean(problemList, AfterSaleProblemRespVO.class, vo -> {
            CrmCustomerRespDTO customer = customerMap.get(vo.getCustomerId());
            if (customer != null) {
                vo.setCustomerName(customer.getName());
            }
            AdminUserRespDTO ownerUser = userMap.get(vo.getOwnerUserId());
            if (ownerUser != null) {
                vo.setOwnerUserName(ownerUser.getNickname());
            }
        });
    }

}