package cn.iocoder.yudao.module.hrm.controller.admin.certificate;

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.framework.common.util.collection.MapUtils;
import cn.iocoder.yudao.module.hrm.controller.admin.certificate.vo.HrmCertificatePageReqVO;
import cn.iocoder.yudao.module.hrm.controller.admin.certificate.vo.HrmCertificateRespVO;
import cn.iocoder.yudao.module.hrm.controller.admin.certificate.vo.HrmCertificateSaveReqVO;
import cn.iocoder.yudao.module.hrm.dal.dataobject.certificate.HrmCertificateDO;
import cn.iocoder.yudao.module.hrm.dal.dataobject.employee.HrmEmployeeDO;
import cn.iocoder.yudao.module.hrm.service.certificate.HrmCertificateService;
import cn.iocoder.yudao.module.hrm.service.employee.HrmEmployeeService;
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.time.LocalDate;
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.convertList;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;

@Tag(name = "管理后台 - HRM 证书资质")
@RestController
@RequestMapping("/hrm/certificate")
@Validated
public class HrmCertificateController {

    @Resource
    private HrmCertificateService certificateService;
    @Resource
    private HrmEmployeeService employeeService;

    @PostMapping("/create")
    @Operation(summary = "创建证书资质")
    @PreAuthorize("@ss.hasPermission('hrm:certificate:create')")
    public CommonResult<Long> createCertificate(@Valid @RequestBody HrmCertificateSaveReqVO createReqVO) {
        return success(certificateService.createCertificate(createReqVO));
    }

    @PutMapping("/update")
    @Operation(summary = "更新证书资质")
    @PreAuthorize("@ss.hasPermission('hrm:certificate:update')")
    public CommonResult<Boolean> updateCertificate(@Valid @RequestBody HrmCertificateSaveReqVO updateReqVO) {
        certificateService.updateCertificate(updateReqVO);
        return success(true);
    }

    @DeleteMapping("/delete")
    @Operation(summary = "删除证书资质")
    @Parameter(name = "ids", description = "编号数组", required = true)
    @PreAuthorize("@ss.hasPermission('hrm:certificate:delete')")
    public CommonResult<Boolean> deleteCertificate(@RequestParam("ids") List<Long> ids) {
        certificateService.deleteCertificate(ids);
        return success(true);
    }

    @GetMapping("/get")
    @Operation(summary = "获得证书资质")
    @Parameter(name = "id", description = "编号", required = true, example = "1024")
    @PreAuthorize("@ss.hasPermission('hrm:certificate:query')")
    public CommonResult<HrmCertificateRespVO> getCertificate(@RequestParam("id") Long id) {
        HrmCertificateDO certificate = certificateService.getCertificate(id);
        return success(certificate != null ? buildRespVO(certificate) : null);
    }

    @GetMapping("/page")
    @Operation(summary = "获得证书资质分页")
    @PreAuthorize("@ss.hasPermission('hrm:certificate:query')")
    public CommonResult<PageResult<HrmCertificateRespVO>> getCertificatePage(@Valid HrmCertificatePageReqVO pageReqVO) {
        PageResult<HrmCertificateDO> pageResult = certificateService.getCertificatePage(pageReqVO);
        if (CollUtil.isEmpty(pageResult.getList())) {
            return success(PageResult.empty(pageResult.getTotal()));
        }
        Map<Long, HrmEmployeeDO> employeeMap = employeeService.getEmployeeList(
                convertSet(pageResult.getList(), HrmCertificateDO::getEmployeeId)).stream()
                .collect(java.util.stream.Collectors.toMap(HrmEmployeeDO::getId, e -> e, (a, b) -> a));
        return success(BeanUtils.toBean(pageResult, HrmCertificateRespVO.class,
                vo -> buildRespVOItem(vo, employeeMap.get(vo.getEmployeeId()))));
    }

    private HrmCertificateRespVO buildRespVO(HrmCertificateDO certificate) {
        HrmCertificateRespVO vo = BeanUtils.toBean(certificate, HrmCertificateRespVO.class);
        HrmEmployeeDO employee = employeeService.getEmployee(certificate.getEmployeeId());
        buildRespVOItem(vo, employee);
        return vo;
    }

    private void buildRespVOItem(HrmCertificateRespVO vo, HrmEmployeeDO employee) {
        if (employee != null) {
            vo.setEmployeeName(employee.getName());
        }
        vo.setCertTypeName(convertCertTypeName(vo.getCertType()));
        vo.setExpireStatus(calcExpireStatus(vo.getExpireDate()));
    }

    private String convertCertTypeName(Integer certType) {
        return switch (certType == null ? 0 : certType) {
            case 1 -> "特种作业证书";
            case 2 -> "从业资质";
            case 3 -> "技能等级证书";
            case 4 -> "安全培训合格证";
            default -> "其他";
        };
    }

    /**
     * 到期状态：0=有效，1=即将到期（30天内），2=已过期
     */
    private Integer calcExpireStatus(LocalDate expireDate) {
        if (expireDate == null) {
            return 0;
        }
        LocalDate today = LocalDate.now();
        if (expireDate.isBefore(today)) {
            return 2;
        }
        if (expireDate.isBefore(today.plusDays(30))) {
            return 1;
        }
        return 0;
    }

}