package cn.iocoder.yudao.module.mes.controller.admin.dv.metering;

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.dv.metering.vo.MesDvMeteringPageReqVO;
import cn.iocoder.yudao.module.mes.controller.admin.dv.metering.vo.MesDvMeteringRespVO;
import cn.iocoder.yudao.module.mes.controller.admin.dv.metering.vo.MesDvMeteringSaveReqVO;
import cn.iocoder.yudao.module.mes.dal.dataobject.dv.metering.MesDvMeteringDO;
import cn.iocoder.yudao.module.mes.enums.dv.MesDvMeteringExpireStatusEnum;
import cn.iocoder.yudao.module.mes.service.dv.metering.MesDvMeteringService;
import cn.iocoder.yudao.module.system.api.dept.DeptApi;
import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
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.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.time.LocalDate;
import java.time.temporal.ChronoUnit;
import java.util.Collections;
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.convertSet;

@Tag(name = "管理后台 - MES 计量器具")
@RestController
@RequestMapping("/mes/dv/metering")
@Validated
public class MesDvMeteringController {

    @Resource
    private MesDvMeteringService meteringService;
    @Resource
    private DeptApi deptApi;
    @Resource
    private AdminUserApi adminUserApi;

    @PostMapping("/create")
    @Operation(summary = "创建计量器具")
    @PreAuthorize("@ss.hasPermission('mes:dv-metering:create')")
    public CommonResult<Long> createMetering(@Valid @RequestBody MesDvMeteringSaveReqVO createReqVO) {
        return success(meteringService.createMetering(createReqVO));
    }

    @PutMapping("/update")
    @Operation(summary = "更新计量器具")
    @PreAuthorize("@ss.hasPermission('mes:dv-metering:update')")
    public CommonResult<Boolean> updateMetering(@Valid @RequestBody MesDvMeteringSaveReqVO updateReqVO) {
        meteringService.updateMetering(updateReqVO);
        return success(true);
    }

    @DeleteMapping("/delete")
    @Operation(summary = "删除计量器具")
    @Parameter(name = "id", description = "编号", required = true)
    @PreAuthorize("@ss.hasPermission('mes:dv-metering:delete')")
    public CommonResult<Boolean> deleteMetering(@RequestParam("id") Long id) {
        meteringService.deleteMetering(id);
        return success(true);
    }

    @GetMapping("/get")
    @Operation(summary = "获得计量器具")
    @Parameter(name = "id", description = "编号", required = true, example = "1024")
    @PreAuthorize("@ss.hasPermission('mes:dv-metering:query')")
    public CommonResult<MesDvMeteringRespVO> getMetering(@RequestParam("id") Long id) {
        MesDvMeteringDO metering = meteringService.getMetering(id);
        if (metering == null) {
            return success(null);
        }
        return success(buildMeteringRespVOList(Collections.singletonList(metering)).get(0));
    }

    @GetMapping("/page")
    @Operation(summary = "获得计量器具分页")
    @PreAuthorize("@ss.hasPermission('mes:dv-metering:query')")
    public CommonResult<PageResult<MesDvMeteringRespVO>> getMeteringPage(@Valid MesDvMeteringPageReqVO pageReqVO) {
        PageResult<MesDvMeteringDO> pageResult = meteringService.getMeteringPage(pageReqVO);
        return success(new PageResult<>(buildMeteringRespVOList(pageResult.getList()), pageResult.getTotal()));
    }

    @GetMapping("/export-excel")
    @Operation(summary = "导出计量器具 Excel")
    @PreAuthorize("@ss.hasPermission('mes:dv-metering:export')")
    @ApiAccessLog(operateType = EXPORT)
    public void exportMeteringExcel(@Valid MesDvMeteringPageReqVO pageReqVO,
                                    HttpServletResponse response) throws IOException {
        pageReqVO.setPageSize(PageParam.PAGE_SIZE_NONE);
        List<MesDvMeteringDO> list = meteringService.getMeteringPage(pageReqVO).getList();
        ExcelUtils.write(response, "计量器具.xls", "数据", MesDvMeteringRespVO.class,
                buildMeteringRespVOList(list));
    }

    @GetMapping("/simple-list")
    @Operation(summary = "获得计量器具精简列表", description = "主要用于前端的下拉选项")
    @PreAuthorize("@ss.hasPermission('mes:dv-metering:query')")
    public CommonResult<List<MesDvMeteringRespVO>> getMeteringSimpleList() {
        List<MesDvMeteringDO> list = meteringService.getMeteringList();
        return success(buildMeteringRespVOList(list));
    }

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

    @SuppressWarnings("DuplicatedCode")
    private List<MesDvMeteringRespVO> buildMeteringRespVOList(List<MesDvMeteringDO> list) {
        if (CollUtil.isEmpty(list)) {
            return Collections.emptyList();
        }
        // 1. 批量获取关联数据
        int remindDays = meteringService.getRemindDays();
        Map<Long, DeptRespDTO> deptMap = CollUtil.isNotEmpty(convertSet(list, MesDvMeteringDO::getDeptId))
                ? deptApi.getDeptMap(convertSet(list, MesDvMeteringDO::getDeptId)) : Collections.emptyMap();
        Map<Long, AdminUserRespDTO> userMap = CollUtil.isNotEmpty(convertSet(list, MesDvMeteringDO::getChargeUserId))
                ? adminUserApi.getUserMap(convertSet(list, MesDvMeteringDO::getChargeUserId)) : Collections.emptyMap();
        // 2. 拼接 VO
        return BeanUtils.toBean(list, MesDvMeteringRespVO.class, vo -> {
            // 计算到期状态与剩余天数
            vo.setExpireStatus(MesDvMeteringExpireStatusEnum.compute(vo.getNextCheckDate(), remindDays));
            if (vo.getNextCheckDate() != null) {
                vo.setExpireDays(ChronoUnit.DAYS.between(LocalDate.now(), vo.getNextCheckDate()));
            }
            MapUtils.findAndThen(deptMap, vo.getDeptId(), dept -> vo.setDeptName(dept.getName()));
            MapUtils.findAndThen(userMap, vo.getChargeUserId(),
                    user -> vo.setChargeUserNickname(user.getNickname()));
        });
    }

}