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

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.visit.vo.AfterSaleVisitCreateReqVO;
import cn.iocoder.yudao.module.aftersales.controller.admin.visit.vo.AfterSaleVisitPageReqVO;
import cn.iocoder.yudao.module.aftersales.controller.admin.visit.vo.AfterSaleVisitRespVO;
import cn.iocoder.yudao.module.aftersales.dal.dataobject.visit.AfterSaleVisitDO;
import cn.iocoder.yudao.module.aftersales.service.visit.AfterSaleVisitService;
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 - 售后回访记录")
@RestController
@RequestMapping("/aftersales/visit")
@Validated
public class AfterSaleVisitController {

    @Resource
    private AfterSaleVisitService visitService;

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

    @PostMapping("/create")
    @Operation(summary = "登记售后回访")
    @PreAuthorize("@ss.hasPermission('aftersales:visit:create')")
    public CommonResult<Long> createVisit(@Valid @RequestBody AfterSaleVisitCreateReqVO createReqVO) {
        return success(visitService.createVisit(createReqVO, getLoginUserId()));
    }

    @GetMapping("/get")
    @Operation(summary = "获得售后回访记录")
    @Parameter(name = "id", description = "回访记录编号", required = true, example = "1")
    @PreAuthorize("@ss.hasPermission('aftersales:visit:query')")
    public CommonResult<AfterSaleVisitRespVO> getVisit(@RequestParam("id") Long id) {
        AfterSaleVisitDO visitDO = visitService.getVisit(id);
        AfterSaleVisitRespVO respVO = buildVisitDetailList(List.of(visitDO)).get(0);
        respVO.setAttachmentList(storageAttachmentApi.listAttachments("aftersales_after_sale_visit", id));
        return success(respVO);
    }

    @GetMapping("/list")
    @Operation(summary = "获得某工单的回访记录列表")
    @Parameter(name = "ticketId", description = "工单编号", required = true, example = "1")
    @PreAuthorize("@ss.hasPermission('aftersales:visit:query')")
    public CommonResult<List<AfterSaleVisitRespVO>> getVisitListByTicketId(@RequestParam("ticketId") Long ticketId) {
        List<AfterSaleVisitDO> visitList = visitService.getVisitListByTicketId(ticketId);
        return success(buildVisitDetailList(visitList));
    }

    @GetMapping("/page")
    @Operation(summary = "获得售后回访记录分页")
    @PreAuthorize("@ss.hasPermission('aftersales:visit:query')")
    public CommonResult<PageResult<AfterSaleVisitRespVO>> getVisitPage(@Valid AfterSaleVisitPageReqVO pageReqVO) {
        PageResult<AfterSaleVisitDO> pageResult = visitService.getVisitPage(pageReqVO);
        return success(new PageResult<>(buildVisitDetailList(pageResult.getList()), pageResult.getTotal()));
    }

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

    private List<AfterSaleVisitRespVO> buildVisitDetailList(List<AfterSaleVisitDO> visitList) {
        if (CollUtil.isEmpty(visitList)) {
            return Collections.emptyList();
        }
        // 批量加载回访人名称
        Set<Long> userIds = convertSet(visitList, AfterSaleVisitDO::getVisitorUserId);
        Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(userIds);
        return BeanUtils.toBean(visitList, AfterSaleVisitRespVO.class, vo -> {
            AdminUserRespDTO visitorUser = userMap.get(vo.getVisitorUserId());
            if (visitorUser != null) {
                vo.setVisitorUserName(visitorUser.getNickname());
            }
        });
    }

}