package cn.iocoder.yudao.module.mes.controller.admin.pd.processparamtemplate;

import cn.hutool.core.collection.CollUtil;
import cn.iocoder.yudao.framework.apilog.core.annotation.ApiAccessLog;
import cn.iocoder.yudao.framework.common.pojo.CommonResult;
import cn.iocoder.yudao.framework.common.pojo.PageParam;
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.framework.excel.core.util.ExcelUtils;
import cn.iocoder.yudao.module.mes.controller.admin.pd.processparamtemplate.vo.MesPdProcessParamTemplatePageReqVO;
import cn.iocoder.yudao.module.mes.controller.admin.pd.processparamtemplate.vo.MesPdProcessParamTemplateRespVO;
import cn.iocoder.yudao.module.mes.controller.admin.pd.processparamtemplate.vo.MesPdProcessParamTemplateSaveReqVO;
import cn.iocoder.yudao.module.mes.dal.dataobject.md.unitmeasure.MesMdUnitMeasureDO;
import cn.iocoder.yudao.module.mes.dal.dataobject.pd.processparamtemplate.MesPdProcessParamTemplateDO;
import cn.iocoder.yudao.module.mes.dal.dataobject.pd.processparamtemplate.MesPdProcessParamTemplateDetailDO;
import cn.iocoder.yudao.module.mes.service.md.unitmeasure.MesMdUnitMeasureService;
import cn.iocoder.yudao.module.mes.service.pd.processparamtemplate.MesPdProcessParamTemplateService;
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.servlet.http.HttpServletResponse;
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.io.IOException;
import java.util.*;
import java.util.stream.Collectors;

import static cn.iocoder.yudao.framework.apilog.core.enums.OperateTypeEnum.EXPORT;
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 工艺参数模板")
@RestController
@RequestMapping("/mes/pd/process-param-template")
@Validated
public class MesPdProcessParamTemplateController {

    @Resource
    private MesPdProcessParamTemplateService templateService;

    @Resource
    private MesMdUnitMeasureService unitMeasureService;

    @PostMapping("/create")
    @Operation(summary = "创建工艺参数模板")
    @PreAuthorize("@ss.hasPermission('mes:pd-process-param-template:create')")
    public CommonResult<Long> createProcessParamTemplate(@Valid @RequestBody MesPdProcessParamTemplateSaveReqVO createReqVO) {
        return success(templateService.createProcessParamTemplate(createReqVO));
    }

    @PutMapping("/update")
    @Operation(summary = "更新工艺参数模板")
    @PreAuthorize("@ss.hasPermission('mes:pd-process-param-template:update')")
    public CommonResult<Boolean> updateProcessParamTemplate(@Valid @RequestBody MesPdProcessParamTemplateSaveReqVO updateReqVO) {
        templateService.updateProcessParamTemplate(updateReqVO);
        return success(true);
    }

    @DeleteMapping("/delete")
    @Operation(summary = "删除工艺参数模板")
    @Parameter(name = "id", description = "编号", required = true)
    @PreAuthorize("@ss.hasPermission('mes:pd-process-param-template:delete')")
    public CommonResult<Boolean> deleteProcessParamTemplate(@RequestParam("id") Long id) {
        templateService.deleteProcessParamTemplate(id);
        return success(true);
    }

    @GetMapping("/get")
    @Operation(summary = "获得工艺参数模板")
    @Parameter(name = "id", description = "编号", required = true, example = "1024")
    @PreAuthorize("@ss.hasPermission('mes:pd-process-param-template:query')")
    public CommonResult<MesPdProcessParamTemplateRespVO> getProcessParamTemplate(@RequestParam("id") Long id) {
        MesPdProcessParamTemplateDO template = templateService.getProcessParamTemplate(id);
        if (template == null) {
            return success(null);
        }
        return success(buildTemplateRespVO(template));
    }

    @GetMapping("/page")
    @Operation(summary = "获得工艺参数模板分页")
    @PreAuthorize("@ss.hasPermission('mes:pd-process-param-template:query')")
    public CommonResult<PageResult<MesPdProcessParamTemplateRespVO>> getProcessParamTemplatePage(@Valid MesPdProcessParamTemplatePageReqVO pageReqVO) {
        PageResult<MesPdProcessParamTemplateDO> pageResult = templateService.getProcessParamTemplatePage(pageReqVO);
        List<MesPdProcessParamTemplateRespVO> voList = buildTemplateRespVOList(pageResult.getList());
        return success(new PageResult<>(voList, pageResult.getTotal()));
    }

    @GetMapping("/export-excel")
    @Operation(summary = "导出工艺参数模板 Excel")
    @PreAuthorize("@ss.hasPermission('mes:pd-process-param-template:export')")
    @ApiAccessLog(operateType = EXPORT)
    public void exportProcessParamTemplateExcel(@Valid MesPdProcessParamTemplatePageReqVO pageReqVO,
                                                 HttpServletResponse response) throws IOException {
        pageReqVO.setPageSize(PageParam.PAGE_SIZE_NONE);
        List<MesPdProcessParamTemplateDO> list = templateService.getProcessParamTemplatePage(pageReqVO).getList();
        // 导出 Excel
        ExcelUtils.write(response, "工艺参数模板.xls", "数据", MesPdProcessParamTemplateRespVO.class,
                buildTemplateRespVOList(list));
    }

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

    private MesPdProcessParamTemplateRespVO buildTemplateRespVO(MesPdProcessParamTemplateDO template) {
        return buildTemplateRespVOList(Collections.singletonList(template)).get(0);
    }

    private List<MesPdProcessParamTemplateRespVO> buildTemplateRespVOList(List<MesPdProcessParamTemplateDO> list) {
        if (CollUtil.isEmpty(list)) {
            return Collections.emptyList();
        }
        // 1. 批量获取所有模板的明细
        Map<Long, List<MesPdProcessParamTemplateDetailDO>> detailMap = new HashMap<>();
        Set<Long> allUnitMeasureIds = new HashSet<>();
        for (MesPdProcessParamTemplateDO template : list) {
            List<MesPdProcessParamTemplateDetailDO> details =
                    templateService.getProcessParamTemplateDetailListByTemplateId(template.getId());
            detailMap.put(template.getId(), details);
            for (MesPdProcessParamTemplateDetailDO detail : details) {
                if (detail.getUnitMeasureId() != null) {
                    allUnitMeasureIds.add(detail.getUnitMeasureId());
                }
            }
        }
        // 2. 批量获取计量单位
        Map<Long, MesMdUnitMeasureDO> unitMeasureMap = unitMeasureService.getUnitMeasureMap(allUnitMeasureIds);
        // 3. 拼接 VO
        return BeanUtils.toBean(list, MesPdProcessParamTemplateRespVO.class, vo -> {
            List<MesPdProcessParamTemplateDetailDO> details = detailMap.get(vo.getId());
            if (CollUtil.isNotEmpty(details)) {
                List<MesPdProcessParamTemplateRespVO.DetailResp> detailResps = BeanUtils.toBean(
                        details, MesPdProcessParamTemplateRespVO.DetailResp.class, detailResp ->
                                MapUtils.findAndThen(unitMeasureMap, detailResp.getUnitMeasureId(),
                                        unitMeasure -> detailResp.setUnitMeasureName(unitMeasure.getName()))
                );
                vo.setDetails(detailResps);
            }
        });
    }

}