package cn.iocoder.yudao.module.mes.controller.admin.wm.returnissue;

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.collection.MapUtils;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.mes.controller.admin.wm.returnissue.vo.line.MesWmReturnIssueLinePageReqVO;
import cn.iocoder.yudao.module.mes.controller.admin.wm.returnissue.vo.line.MesWmReturnIssueLineRespVO;
import cn.iocoder.yudao.module.mes.controller.admin.wm.returnissue.vo.line.MesWmReturnIssueLineSaveReqVO;
import cn.iocoder.yudao.module.mes.dal.dataobject.md.item.MesMdItemDO;
import cn.iocoder.yudao.module.mes.dal.dataobject.md.unitmeasure.MesMdUnitMeasureDO;
import cn.iocoder.yudao.module.mes.dal.dataobject.pro.task.MesProTaskDO;
import cn.iocoder.yudao.module.mes.dal.dataobject.wm.returnissue.MesWmReturnIssueLineDO;
import cn.iocoder.yudao.module.mes.dal.dataobject.wm.returnissue.MesWmReturnIssueLinePageVO;
import cn.iocoder.yudao.module.mes.service.md.item.MesMdItemService;
import cn.iocoder.yudao.module.mes.service.md.unitmeasure.MesMdUnitMeasureService;
import cn.iocoder.yudao.module.mes.service.pro.task.MesProTaskService;
import cn.iocoder.yudao.module.mes.service.wm.returnissue.MesWmReturnIssueLineService;
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.Collections;
import java.util.List;
import java.util.Map;

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

@Tag(name = "管理后台 - MES 生产退料单行")
@RestController
@RequestMapping("/mes/wm/return-issue-line")
@Validated
public class MesWmReturnIssueLineController {

    @Resource
    private MesWmReturnIssueLineService issueLineService;
    @Resource
    private MesMdItemService mdmItemService;
    @Resource
    private MesMdUnitMeasureService unitMeasureService;
    @Resource
    private MesProTaskService taskService;

    @PostMapping("/create")
    @Operation(summary = "创建生产退料单行")
    @PreAuthorize("@ss.hasPermission('mes:wm-return-issue:create')")
    public CommonResult<Long> createReturnIssueLine(@Valid @RequestBody MesWmReturnIssueLineSaveReqVO createReqVO) {
        return success(issueLineService.createReturnIssueLine(createReqVO));
    }

    @PutMapping("/update")
    @Operation(summary = "修改生产退料单行")
    @PreAuthorize("@ss.hasPermission('mes:wm-return-issue:update')")
    public CommonResult<Boolean> updateReturnIssueLine(@Valid @RequestBody MesWmReturnIssueLineSaveReqVO updateReqVO) {
        issueLineService.updateReturnIssueLine(updateReqVO);
        return success(true);
    }

    @DeleteMapping("/delete")
    @Operation(summary = "删除生产退料单行")
    @Parameter(name = "id", description = "编号", required = true)
    @PreAuthorize("@ss.hasPermission('mes:wm-return-issue:delete')")
    public CommonResult<Boolean> deleteReturnIssueLine(@RequestParam("id") Long id) {
        issueLineService.deleteReturnIssueLine(id);
        return success(true);
    }

    @GetMapping("/get")
    @Operation(summary = "获得生产退料单行")
    @Parameter(name = "id", description = "编号", required = true, example = "1024")
    @PreAuthorize("@ss.hasPermission('mes:wm-return-issue:query')")
    public CommonResult<MesWmReturnIssueLineRespVO> getReturnIssueLine(@RequestParam("id") Long id) {
        MesWmReturnIssueLineDO line = issueLineService.getReturnIssueLine(id);
        if (line == null) {
            return success(null);
        }
        return success(buildRespVOList(Collections.singletonList(line)).get(0));
    }

    @GetMapping("/page")
    @Operation(summary = "获得生产退料单行分页")
    @PreAuthorize("@ss.hasPermission('mes:wm-return-issue:query')")
    public CommonResult<PageResult<MesWmReturnIssueLineRespVO>> getReturnIssueLinePage(
            @Valid MesWmReturnIssueLinePageReqVO pageReqVO) {
        PageResult<MesWmReturnIssueLinePageVO> pageResult = issueLineService.getReturnIssueLinePage(pageReqVO);
        return success(new PageResult<>(buildRespVOListFromPageVO(pageResult.getList()), pageResult.getTotal()));
    }

    @GetMapping("/list-by-issue")
    @Operation(summary = "获得生产退料单行列表（按退料单编号）")
    @Parameter(name = "issueId", description = "退料单编号", required = true, example = "1024")
    @PreAuthorize("@ss.hasPermission('mes:wm-return-issue:query')")
    public CommonResult<List<MesWmReturnIssueLineRespVO>> getReturnIssueLineListByIssueId(
            @RequestParam("issueId") Long issueId) {
        List<MesWmReturnIssueLineDO> list = issueLineService.getReturnIssueLineListByIssueId(issueId);
        return success(buildRespVOList(list));
    }

    // ==================== 拼接 VO ====================

    /**
     * 分页查询结果构建 RespVO（SQL 已关联 mdm_item，code/name/specification 直接从 PageVO 取）
     */
    private List<MesWmReturnIssueLineRespVO> buildRespVOListFromPageVO(List<MesWmReturnIssueLinePageVO> list) {
        if (CollUtil.isEmpty(list)) {
            return Collections.emptyList();
        }
        // 1. 获得关联数据（计量单位、生产任务）
        Map<Long, MesMdItemDO> itemMap = mdmItemService.getItemMap(
                convertSet(list, MesWmReturnIssueLinePageVO::getItemId));
        Map<Long, MesMdUnitMeasureDO> unitMeasureMap = unitMeasureService.getUnitMeasureMap(
                convertSet(itemMap.values(), MesMdItemDO::getUnitMeasureId));
        Map<Long, MesProTaskDO> taskMap = taskService.getTaskMap(
                convertSet(list, MesWmReturnIssueLinePageVO::getTaskId));
        // 2. 构建结果
        return BeanUtils.toBean(list, MesWmReturnIssueLineRespVO.class, vo -> {
            // code/name/specification 从 PageVO 直接映射（字段名不同需手动赋值）
            list.stream()
                    .filter(v -> java.util.Objects.equals(v.getId(), vo.getId()))
                    .findFirst()
                    .ifPresent(pageVO -> {
                        vo.setItemCode(pageVO.getCode());
                        vo.setItemName(pageVO.getName());
                        vo.setSpecification(pageVO.getSpecification());
                    });
            // 计量单位仍需从 itemMap 获取
            MapUtils.findAndThen(itemMap, vo.getItemId(), item ->
                    MapUtils.findAndThen(unitMeasureMap, item.getUnitMeasureId(),
                            unit -> vo.setUnitMeasureName(unit.getName())));
            MapUtils.findAndThen(taskMap, vo.getTaskId(), task ->
                    vo.setTaskCode(task.getCode()).setTaskName(task.getName()));
        });
    }

    private List<MesWmReturnIssueLineRespVO> buildRespVOList(List<MesWmReturnIssueLineDO> list) {
        if (CollUtil.isEmpty(list)) {
            return Collections.emptyList();
        }
        // 1. 获得关联数据
        Map<Long, MesMdItemDO> itemMap = mdmItemService.getItemMap(
                convertSet(list, MesWmReturnIssueLineDO::getItemId));
        Map<Long, MesMdUnitMeasureDO> unitMeasureMap = unitMeasureService.getUnitMeasureMap(
                convertSet(itemMap.values(), MesMdItemDO::getUnitMeasureId));
        Map<Long, MesProTaskDO> taskMap = taskService.getTaskMap(
                convertSet(list, MesWmReturnIssueLineDO::getTaskId));
        // 2. 构建结果
        return BeanUtils.toBean(list, MesWmReturnIssueLineRespVO.class, vo -> {
            MapUtils.findAndThen(itemMap, vo.getItemId(), item -> {
                vo.setItemCode(item.getCode()).setItemName(item.getName()).setSpecification(item.getSpecification());
                MapUtils.findAndThen(unitMeasureMap, item.getUnitMeasureId(),
                        unit -> vo.setUnitMeasureName(unit.getName()));
            });
            MapUtils.findAndThen(taskMap, vo.getTaskId(), task ->
                    vo.setTaskCode(task.getCode()).setTaskName(task.getName()));
        });
    }

}