package cn.iocoder.yudao.module.mes.controller.admin.md.item;

import cn.iocoder.yudao.framework.apilog.core.annotation.ApiAccessLog;
import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
import cn.iocoder.yudao.framework.common.pojo.CommonResult;
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.md.item.vo.type.MesMdItemTypeExcelVO;
import cn.iocoder.yudao.module.mes.controller.admin.md.item.vo.type.MesMdItemTypeImportExcelVO;
import cn.iocoder.yudao.module.mes.controller.admin.md.item.vo.type.MesMdItemTypeImportRespVO;
import cn.iocoder.yudao.module.mes.controller.admin.md.item.vo.type.MesMdItemTypeListReqVO;
import cn.iocoder.yudao.module.mes.controller.admin.md.item.vo.type.MesMdItemTypeRespVO;
import cn.iocoder.yudao.module.mes.controller.admin.md.item.vo.type.MesMdItemTypeSaveReqVO;
import cn.iocoder.yudao.module.mes.dal.dataobject.md.item.MesMdItemTypeDO;
import cn.iocoder.yudao.module.mes.service.md.item.MesMdItemTypeService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.Parameters;
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 org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

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.convertList;

@Tag(name = "管理后台 - MES 物料产品分类")
@RestController
@RequestMapping("/mes/md/item-type")
@Validated
public class MesMdItemTypeController {

    @Resource
    private MesMdItemTypeService itemTypeService;

    @PostMapping("/create")
    @Operation(summary = "创建物料产品分类")
    @PreAuthorize("@ss.hasPermission('mes:md-item-type:create')")
    public CommonResult<Long> createItemType(@Valid @RequestBody MesMdItemTypeSaveReqVO createReqVO) {
        return success(itemTypeService.createItemType(createReqVO));
    }

    @PutMapping("/update")
    @Operation(summary = "更新物料产品分类")
    @PreAuthorize("@ss.hasPermission('mes:md-item-type:update')")
    public CommonResult<Boolean> updateItemType(@Valid @RequestBody MesMdItemTypeSaveReqVO updateReqVO) {
        itemTypeService.updateItemType(updateReqVO);
        return success(true);
    }

    @DeleteMapping("/delete")
    @Operation(summary = "删除物料产品分类")
    @Parameter(name = "id", description = "编号", required = true)
    @PreAuthorize("@ss.hasPermission('mes:md-item-type:delete')")
    public CommonResult<Boolean> deleteItemType(@RequestParam("id") Long id) {
        itemTypeService.deleteItemType(id);
        return success(true);
    }

    @GetMapping("/get")
    @Operation(summary = "获得物料产品分类")
    @Parameter(name = "id", description = "编号", required = true, example = "1024")
    @PreAuthorize("@ss.hasPermission('mes:md-item-type:query')")
    public CommonResult<MesMdItemTypeRespVO> getItemType(@RequestParam("id") Long id) {
        MesMdItemTypeDO itemType = itemTypeService.getItemType(id);
        return success(BeanUtils.toBean(itemType, MesMdItemTypeRespVO.class));
    }

    @GetMapping("/list")
    @Operation(summary = "获得物料产品分类列表")
    @PreAuthorize("@ss.hasPermission('mes:md-item-type:query')")
    public CommonResult<List<MesMdItemTypeRespVO>> getItemTypeList(@Valid MesMdItemTypeListReqVO listReqVO) {
        List<MesMdItemTypeDO> list = itemTypeService.getItemTypeList(listReqVO);
        return success(BeanUtils.toBean(list, MesMdItemTypeRespVO.class));
    }

    @GetMapping("/simple-list")
    @Operation(summary = "获得物料产品分类精简列表", description = "只包含被开启的分类，主要用于前端的下拉选项")
    public CommonResult<List<MesMdItemTypeRespVO>> getItemTypeSimpleList() {
        List<MesMdItemTypeDO> list = itemTypeService.getItemTypeList(
                new MesMdItemTypeListReqVO().setStatus(CommonStatusEnum.ENABLE.getStatus()));
        return success(convertList(list, itemType -> new MesMdItemTypeRespVO()
                .setId(itemType.getId()).setName(itemType.getName()).setParentId(itemType.getParentId())
                .setCode(itemType.getCode()).setRemark(itemType.getRemark())
                .setItemOrProduct(itemType.getItemOrProduct())));
    }

    @GetMapping("/export-excel")
    @Operation(summary = "导出物料产品分类 Excel")
    @PreAuthorize("@ss.hasPermission('mes:md-item-type:export')")
    @ApiAccessLog(operateType = EXPORT)
    public void exportItemTypeExcel(@Valid MesMdItemTypeListReqVO listReqVO,
                                    HttpServletResponse response) throws IOException {
        List<MesMdItemTypeDO> list = itemTypeService.getItemTypeList(listReqVO);
        // 全量分类，用于解析上级分类（父分类可能不在筛选结果内）
        Map<Long, String> parentCodeMap = new HashMap<>();
        Map<Long, String> parentNameMap = new HashMap<>();
        for (MesMdItemTypeDO type : itemTypeService.getItemTypeList(new MesMdItemTypeListReqVO())) {
            parentCodeMap.put(type.getId(), type.getCode());
            parentNameMap.put(type.getId(), type.getName());
        }
        // 组装导出 VO（补齐上级分类编码/名称、物料产品中文标识）
        List<MesMdItemTypeExcelVO> excelList = new ArrayList<>();
        for (MesMdItemTypeDO type : list) {
            MesMdItemTypeExcelVO excelVO = BeanUtils.toBean(type, MesMdItemTypeExcelVO.class);
            if (type.getParentId() != null && !MesMdItemTypeDO.PARENT_ID_ROOT.equals(type.getParentId())) {
                excelVO.setParentCode(parentCodeMap.get(type.getParentId()));
                excelVO.setParentName(parentNameMap.get(type.getParentId()));
            }
            excelVO.setItemOrProduct(convertItemOrProductToText(type.getItemOrProduct()));
            excelList.add(excelVO);
        }
        // 导出 Excel
        ExcelUtils.write(response, "物料分类数据.xls", "物料分类", MesMdItemTypeExcelVO.class, excelList);
    }

    /**
     * 将物料/产品标识转换为中文名称
     *
     * @param itemOrProduct 字典值：ITEM=物料，PRODUCT=产品
     * @return 中文名称
     */
    private String convertItemOrProductToText(String itemOrProduct) {
        if (itemOrProduct == null) {
            return null;
        }
        if ("ITEM".equals(itemOrProduct)) {
            return "物料";
        }
        if ("PRODUCT".equals(itemOrProduct)) {
            return "产品";
        }
        return itemOrProduct;
    }

    @GetMapping("/get-import-template")
    @Operation(summary = "获得导入物料产品分类模板")
    @PreAuthorize("@ss.hasPermission('mes:md-item-type:import')")
    public void importTemplate(HttpServletResponse response) throws IOException {
        List<MesMdItemTypeImportExcelVO> list = Arrays.asList(
                MesMdItemTypeImportExcelVO.builder().code("RAW").name("原材料").itemOrProduct("ITEM").sort(1).status(0).remark("示例：顶级分类").build(),
                MesMdItemTypeImportExcelVO.builder().code("METAL").name("金属材料").parentCode("RAW").itemOrProduct("ITEM").sort(1).status(0).remark("示例：父分类编码为 RAW").build()
        );
        ExcelUtils.write(response, "物料分类导入模板.xls", "物料分类", MesMdItemTypeImportExcelVO.class, list);
    }

    @PostMapping("/import")
    @Operation(summary = "导入物料产品分类")
    @Parameters({
            @Parameter(name = "file", description = "Excel 文件", required = true),
            @Parameter(name = "updateSupport", description = "是否支持更新，默认为 false", example = "true")
    })
    @PreAuthorize("@ss.hasPermission('mes:md-item-type:import')")
    public CommonResult<MesMdItemTypeImportRespVO> importExcel(@RequestParam("file") MultipartFile file,
                                                               @RequestParam(value = "updateSupport", required = false, defaultValue = "false") Boolean updateSupport) throws Exception {
        List<MesMdItemTypeImportExcelVO> list = ExcelUtils.read(file, MesMdItemTypeImportExcelVO.class);
        return success(itemTypeService.importItemTypeList(list, updateSupport));
    }

}