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

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.module.hrm.controller.admin.attendance.vo.HrmAttendanceExceptionPageReqVO;
import cn.iocoder.yudao.module.hrm.controller.admin.attendance.vo.HrmAttendanceExceptionRespVO;
import cn.iocoder.yudao.module.hrm.controller.admin.attendance.vo.HrmAttendanceExceptionSaveReqVO;
import cn.iocoder.yudao.module.hrm.dal.dataobject.attendance.HrmAttendanceExceptionDO;
import cn.iocoder.yudao.module.hrm.dal.dataobject.employee.HrmEmployeeDO;
import cn.iocoder.yudao.module.hrm.service.attendance.HrmAttendanceExceptionService;
import cn.iocoder.yudao.module.hrm.service.employee.HrmEmployeeService;
import cn.iocoder.yudao.module.system.api.dept.DeptApi;
import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
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.*;
import java.util.stream.Collectors;

import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;

@Tag(name = "管理后台 - HRM 考勤异常申请")
@RestController
@RequestMapping("/hrm/attendance/exception")
@Validated
public class HrmAttendanceExceptionController {

    @Resource
    private HrmAttendanceExceptionService attendanceExceptionService;
    @Resource
    private HrmEmployeeService employeeService;
    @Resource
    private DeptApi deptApi;

    @PostMapping("/create")
    @Operation(summary = "新增考勤异常申请")
    @PreAuthorize("@ss.hasPermission('hrm:attendance:create')")
    public CommonResult<Long> createAttendanceException(@Valid @RequestBody HrmAttendanceExceptionSaveReqVO createReqVO) {
        return success(attendanceExceptionService.createAttendanceException(createReqVO));
    }

    @PutMapping("/update")
    @Operation(summary = "更新考勤异常申请")
    @PreAuthorize("@ss.hasPermission('hrm:attendance:update')")
    public CommonResult<Boolean> updateAttendanceException(@Valid @RequestBody HrmAttendanceExceptionSaveReqVO updateReqVO) {
        attendanceExceptionService.updateAttendanceException(updateReqVO);
        return success(true);
    }

    @DeleteMapping("/delete")
    @Operation(summary = "删除考勤异常申请")
    @Parameter(name = "id", description = "申请ID", required = true)
    @PreAuthorize("@ss.hasPermission('hrm:attendance:delete')")
    public CommonResult<Boolean> deleteAttendanceException(@RequestParam("id") Long id) {
        attendanceExceptionService.deleteAttendanceException(id);
        return success(true);
    }

    @GetMapping("/get")
    @Operation(summary = "获得考勤异常申请")
    @Parameter(name = "id", description = "申请ID", required = true)
    @PreAuthorize("@ss.hasPermission('hrm:attendance:query')")
    public CommonResult<HrmAttendanceExceptionRespVO> getAttendanceException(@RequestParam("id") Long id) {
        HrmAttendanceExceptionDO attendanceException = attendanceExceptionService.getAttendanceException(id);
        if (attendanceException == null) {
            return success(null);
        }
        HrmAttendanceExceptionRespVO respVO = BeanUtils.toBean(attendanceException, HrmAttendanceExceptionRespVO.class);
        // 填充员工和部门信息（userId 是员工ID）
        if (attendanceException.getUserId() != null) {
            HrmEmployeeDO employee = employeeService.getEmployee(attendanceException.getUserId());
            if (employee != null) {
                respVO.setUserName(employee.getName());
            }
        }
        if (attendanceException.getDeptId() != null) {
            DeptRespDTO dept = deptApi.getDept(attendanceException.getDeptId());
            if (dept != null) {
                respVO.setDeptName(dept.getName());
            }
        }
        return success(respVO);
    }

    @GetMapping("/page")
    @Operation(summary = "获得考勤异常申请分页")
    @PreAuthorize("@ss.hasPermission('hrm:attendance:query')")
    public CommonResult<PageResult<HrmAttendanceExceptionRespVO>> getAttendanceExceptionPage(@Valid HrmAttendanceExceptionPageReqVO pageReqVO) {
        PageResult<HrmAttendanceExceptionDO> pageResult = attendanceExceptionService.getAttendanceExceptionPage(pageReqVO);
        List<HrmAttendanceExceptionRespVO> list = BeanUtils.toBean(pageResult.getList(), HrmAttendanceExceptionRespVO.class);
        // 填充员工和部门信息
        if (CollUtil.isNotEmpty(list)) {
            fillUserInfo(list, pageResult.getList());
        }
        return success(new PageResult<>(list, pageResult.getTotal()));
    }

    /**
     * 填充员工和部门信息（userId 是员工ID）
     */
    private void fillUserInfo(List<HrmAttendanceExceptionRespVO> respList, List<HrmAttendanceExceptionDO> exceptionList) {
        // 批量获取员工信息
        Set<Long> employeeIds = exceptionList.stream()
                .map(HrmAttendanceExceptionDO::getUserId)
                .filter(Objects::nonNull)
                .collect(Collectors.toSet());
        Map<Long, HrmEmployeeDO> employeeMap = new HashMap<>();
        for (Long employeeId : employeeIds) {
            HrmEmployeeDO employee = employeeService.getEmployee(employeeId);
            if (employee != null) {
                employeeMap.put(employeeId, employee);
            }
        }
        // 批量获取部门信息
        Set<Long> deptIds = exceptionList.stream()
                .map(HrmAttendanceExceptionDO::getDeptId)
                .filter(Objects::nonNull)
                .collect(Collectors.toSet());
        Map<Long, DeptRespDTO> deptMap = CollUtil.isEmpty(deptIds) ? Collections.emptyMap() : deptApi.getDeptMap(deptIds);

        // 填充信息
        for (HrmAttendanceExceptionRespVO respVO : respList) {
            HrmEmployeeDO employee = employeeMap.get(respVO.getUserId());
            if (employee != null) {
                respVO.setUserName(employee.getName());
            }
            DeptRespDTO dept = deptMap.get(respVO.getDeptId());
            if (dept != null) {
                respVO.setDeptName(dept.getName());
            }
        }
    }

    @PostMapping("/submit")
    @Operation(summary = "提交考勤异常申请")
    @PreAuthorize("@ss.hasPermission('hrm:attendance:submit')")
    public CommonResult<Boolean> submitAttendanceException(
            @RequestParam("id") Long id,
            @RequestParam("processDefinitionKey") String processDefinitionKey) {
        // 获取当前登录用户ID
        Long userId = cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId();
        attendanceExceptionService.submitAttendanceException(id, processDefinitionKey, userId);
        return success(true);
    }

}