import { Component, OnInit, signal, computed, Inject } from '@angular/core';
import { CommonModule, NgIf, NgFor } from '@angular/common';
import { FormsModule, ReactiveFormsModule, FormBuilder, FormGroup, Validators } from '@angular/forms';
import { MatButtonModule } from '@angular/material/button';
import { MatInputModule } from '@angular/material/input';
import { MatSelectModule } from '@angular/material/select';
import { MatDatepickerModule } from '@angular/material/datepicker';
import { MatNativeDateModule } from '@angular/material/core';
import { MatDialogModule, MatDialog, MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';
import { MatTableModule } from '@angular/material/table';
import { MatPaginatorModule } from '@angular/material/paginator';
import { MatCheckboxModule } from '@angular/material/checkbox';
import { MatSnackBarModule, MatSnackBar } from '@angular/material/snack-bar';
import { MatIconModule } from '@angular/material/icon';
import { MatTooltipModule } from '@angular/material/tooltip';
import { MatTabsModule } from '@angular/material/tabs';
import { MatChipsModule } from '@angular/material/chips';
import { MatMenuModule } from '@angular/material/menu';
import { MatCardModule } from '@angular/material/card';
import { MatProgressSpinnerModule } from '@angular/material/progress-spinner';
import { Router } from '@angular/router';
import { Employee, Department, Position, Contract, Certificate, EmployeeStatus } from '../../../models/hr.model';

// 新增员工对话框组件
@Component({
  selector: 'app-add-employee-dialog',
  standalone: true,
  imports: [
    CommonModule,
    NgFor,
    FormsModule,
    ReactiveFormsModule,
    MatButtonModule,
    MatInputModule,
    MatSelectModule,
    MatDatepickerModule,
    MatNativeDateModule,
    MatDialogModule,
    MatIconModule
  ],
  template: `
    <h2 mat-dialog-title>{{data.isEdit ? '编辑员工信息' : '新增员工'}}</h2>
    <mat-dialog-content>
      <form [formGroup]="employeeForm" class="employee-form">
        <div class="form-row">
          <mat-form-field appearance="outline">
            <mat-label>姓名</mat-label>
            <input matInput formControlName="name" required>
            <mat-error *ngIf="employeeForm.get('name')?.hasError('required')">姓名不能为空</mat-error>
          </mat-form-field>
          
          <mat-form-field appearance="outline">
            <mat-label>工号</mat-label>
            <input matInput formControlName="employeeId" required>
            <mat-error *ngIf="employeeForm.get('employeeId')?.hasError('required')">工号不能为空</mat-error>
          </mat-form-field>
        </div>
        
        <div class="form-row">
          <mat-form-field appearance="outline">
            <mat-label>部门</mat-label>
            <mat-select formControlName="department" required>
              <mat-option *ngFor="let dept of departments" [value]="dept.name">{{dept.name}}</mat-option>
            </mat-select>
            <mat-error *ngIf="employeeForm.get('department')?.hasError('required')">请选择部门</mat-error>
          </mat-form-field>
          
          <mat-form-field appearance="outline">
            <mat-label>职位</mat-label>
            <mat-select formControlName="position" required>
              <mat-option *ngFor="let pos of positions" [value]="pos.name">{{pos.name}}</mat-option>
            </mat-select>
            <mat-error *ngIf="employeeForm.get('position')?.hasError('required')">请选择职位</mat-error>
          </mat-form-field>
        </div>
        
        <div class="form-row">
          <mat-form-field appearance="outline">
            <mat-label>手机号码</mat-label>
            <input matInput formControlName="phone" required>
            <mat-error *ngIf="employeeForm.get('phone')?.hasError('required')">手机号码不能为空</mat-error>
            <mat-error *ngIf="employeeForm.get('phone')?.hasError('pattern')">请输入有效的手机号码</mat-error>
          </mat-form-field>
          
          <mat-form-field appearance="outline">
            <mat-label>邮箱</mat-label>
            <input matInput formControlName="email" required>
            <mat-error *ngIf="employeeForm.get('email')?.hasError('required')">邮箱不能为空</mat-error>
            <mat-error *ngIf="employeeForm.get('email')?.hasError('email')">请输入有效的邮箱地址</mat-error>
          </mat-form-field>
        </div>
        
        <div class="form-row">
          <mat-form-field appearance="outline">
            <mat-label>性别</mat-label>
            <mat-select formControlName="gender" required>
              <mat-option value="男">男</mat-option>
              <mat-option value="女">女</mat-option>
            </mat-select>
            <mat-error *ngIf="employeeForm.get('gender')?.hasError('required')">请选择性别</mat-error>
          </mat-form-field>
          
          <mat-form-field appearance="outline">
            <mat-label>出生日期</mat-label>
            <input matInput [matDatepicker]="birthDatePicker" formControlName="birthDate">
            <mat-datepicker-toggle matSuffix [for]="birthDatePicker"></mat-datepicker-toggle>
            <mat-datepicker #birthDatePicker></mat-datepicker>
          </mat-form-field>
        </div>
        
        <div class="form-row">
          <mat-form-field appearance="outline">
            <mat-label>入职日期</mat-label>
            <input matInput [matDatepicker]="hireDatePicker" formControlName="hireDate" required>
            <mat-datepicker-toggle matSuffix [for]="hireDatePicker"></mat-datepicker-toggle>
            <mat-datepicker #hireDatePicker></mat-datepicker>
            <mat-error *ngIf="employeeForm.get('hireDate')?.hasError('required')">入职日期不能为空</mat-error>
          </mat-form-field>
          
          <mat-form-field appearance="outline">
            <mat-label>员工状态</mat-label>
            <mat-select formControlName="status" required>
              <mat-option value="在职">在职</mat-option>
              <mat-option value="离职">离职</mat-option>
              <mat-option value="试用期">试用期</mat-option>
            </mat-select>
            <mat-error *ngIf="employeeForm.get('status')?.hasError('required')">请选择员工状态</mat-error>
          </mat-form-field>
        </div>
      </form>
    </mat-dialog-content>
    <mat-dialog-actions align="end">
      <button mat-button mat-dialog-close>取消</button>
      <button mat-raised-button color="primary" [disabled]="employeeForm.invalid" (click)="saveEmployee()">保存</button>
    </mat-dialog-actions>
  `,
  styles: [`
    .employee-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
      padding: 8px;
    }
    
    .form-row {
      display: flex;
      gap: 16px;
      
      mat-form-field {
        flex: 1;
      }
    }
  `]
})
export class AddEmployeeDialog implements OnInit {
  employeeForm: FormGroup;
  departments: Department[] = [
    { id: '1', name: '设计部', employeeCount: 0 },
    { id: '2', name: '客服部', employeeCount: 0 },
    { id: '3', name: '技术部', employeeCount: 0 },
    { id: '4', name: '行政部', employeeCount: 0 }
  ];
  
  positions: Position[] = [
    { id: '1', name: '设计师', departmentId: '1', departmentName: '设计部', level: '中级' },
    { id: '2', name: '客服专员', departmentId: '2', departmentName: '客服部', level: '初级' },
    { id: '3', name: '技术组长', departmentId: '3', departmentName: '技术部', level: '高级' },
    { id: '4', name: '前端开发', departmentId: '3', departmentName: '技术部', level: '中级' },
    { id: '5', name: '行政专员', departmentId: '4', departmentName: '行政部', level: '初级' }
  ];
  
  constructor(
    private fb: FormBuilder,
    public dialogRef: MatDialogRef<AddEmployeeDialog>,
    @Inject(MAT_DIALOG_DATA) public data: {employee?: Employee, isEdit: boolean}
  ) {
    this.employeeForm = this.fb.group({
      name: ['', Validators.required],
      employeeId: ['', Validators.required],
      department: ['', Validators.required],
      position: ['', Validators.required],
      phone: ['', [Validators.required, Validators.pattern(/^1[3-9]\d{9}$/)]],
      email: ['', [Validators.required, Validators.email]],
      gender: ['', Validators.required],
      birthDate: [null],
      hireDate: [new Date(), Validators.required],
      status: ['试用期', Validators.required]
    });
    
    if (data.isEdit && data.employee) {
      this.employeeForm.patchValue(data.employee);
    }
  }
  
  ngOnInit() {}
  
  saveEmployee() {
    if (this.employeeForm.valid) {
      const employeeData = this.employeeForm.value;
      this.dialogRef.close(employeeData);
    }
  }
}

// 入职流程对话框组件
@Component({
  selector: 'app-onboarding-dialog',
  standalone: true,
  imports: [
    CommonModule,
    NgFor,
    FormsModule,
    ReactiveFormsModule,
    MatButtonModule,
    MatInputModule,
    MatSelectModule,
    MatDatepickerModule,
    MatNativeDateModule,
    MatDialogModule,
    MatIconModule,
    MatCheckboxModule
  ],
  template: `
    <h2 mat-dialog-title>入职流程</h2>
    <mat-dialog-content>
      <div class="employee-info">
        <h3>员工信息</h3>
        <p><strong>姓名:</strong> {{data.employee.name}}</p>
        <p><strong>部门:</strong> {{data.employee.department}}</p>
        <p><strong>职位:</strong> {{data.employee.position}}</p>
        <p><strong>入职日期:</strong> {{data.employee.hireDate | date:'yyyy-MM-dd'}}</p>
      </div>
      
      <div class="onboarding-tasks">
        <h3>入职任务清单</h3>
        <div class="task-list">
          <div *ngFor="let task of onboardingTasks" class="task-item">
            <mat-checkbox [(ngModel)]="task.completed">{{task.name}}</mat-checkbox>
            <span class="task-assignee">负责人: {{task.assignee}}</span>
          </div>
        </div>
      </div>
    </mat-dialog-content>
    <mat-dialog-actions align="end">
      <button mat-button mat-dialog-close>关闭</button>
      <button mat-raised-button color="primary" (click)="saveOnboarding()">保存进度</button>
    </mat-dialog-actions>
  `,
  styles: [`
    .employee-info {
      margin-bottom: 24px;
      padding: 16px;
      background-color: #f5f5f5;
      border-radius: 4px;
      
      h3 {
        margin-top: 0;
        margin-bottom: 16px;
        color: #1a3a6e;
      }
      
      p {
        margin: 8px 0;
      }
    }
    
    .onboarding-tasks {
      h3 {
        margin-bottom: 16px;
        color: #1a3a6e;
      }
    }
    
    .task-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    
    .task-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 8px 0;
      border-bottom: 1px solid #e0e0e0;
      
      &:last-child {
        border-bottom: none;
      }
      
      .task-assignee {
        color: #757575;
        font-size: 12px;
      }
    }
  `]
})
export class OnboardingDialog {
  onboardingTasks = [
    { name: '签署劳动合同', completed: false, assignee: '人事' },
    { name: '录入系统权限', completed: false, assignee: '技术支持' },
    { name: '领取办公用品', completed: false, assignee: '行政' },
    { name: '参加新员工培训', completed: false, assignee: '培训部' },
    { name: '技术组长审核岗位匹配度', completed: false, assignee: '技术组长' }
  ];
  
  constructor(
    public dialogRef: MatDialogRef<OnboardingDialog>,
    @Inject(MAT_DIALOG_DATA) public data: {employee: Employee}
  ) {}
  
  saveOnboarding() {
    this.dialogRef.close(this.onboardingTasks);
  }
}

// 离职流程对话框组件
@Component({
  selector: 'app-offboarding-dialog',
  standalone: true,
  imports: [
    CommonModule,
    NgFor,
    FormsModule,
    ReactiveFormsModule,
    MatButtonModule,
    MatInputModule,
    MatSelectModule,
    MatDatepickerModule,
    MatNativeDateModule,
    MatDialogModule,
    MatIconModule,
    MatCheckboxModule
  ],
  template: `
    <h2 mat-dialog-title>离职流程</h2>
    <mat-dialog-content>
      <form [formGroup]="offboardingForm" class="offboarding-form">
        <div class="employee-info">
          <h3>员工信息</h3>
          <p><strong>姓名:</strong> {{data.employee.name}}</p>
          <p><strong>部门:</strong> {{data.employee.department}}</p>
          <p><strong>职位:</strong> {{data.employee.position}}</p>
          <p><strong>入职日期:</strong> {{data.employee.hireDate | date:'yyyy-MM-dd'}}</p>
        </div>
        
        <div class="offboarding-details">
          <h3>离职信息</h3>
          
          <mat-form-field appearance="outline" class="full-width">
            <mat-label>离职原因</mat-label>
            <mat-select formControlName="reason" required>
              <mat-option value="个人发展">个人发展</mat-option>
              <mat-option value="薪资问题">薪资问题</mat-option>
              <mat-option value="工作环境">工作环境</mat-option>
              <mat-option value="家庭原因">家庭原因</mat-option>
              <mat-option value="健康原因">健康原因</mat-option>
              <mat-option value="其他">其他</mat-option>
            </mat-select>
            <mat-error *ngIf="offboardingForm.get('reason')?.hasError('required')">请选择离职原因</mat-error>
          </mat-form-field>
          
          <mat-form-field appearance="outline" class="full-width">
            <mat-label>离职日期</mat-label>
            <input matInput [matDatepicker]="resignDatePicker" formControlName="resignDate" required>
            <mat-datepicker-toggle matSuffix [for]="resignDatePicker"></mat-datepicker-toggle>
            <mat-datepicker #resignDatePicker></mat-datepicker>
            <mat-error *ngIf="offboardingForm.get('resignDate')?.hasError('required')">离职日期不能为空</mat-error>
          </mat-form-field>
          
          <mat-form-field appearance="outline" class="full-width">
            <mat-label>工作交接要求</mat-label>
            <textarea matInput formControlName="handoverRequirements" rows="3"></textarea>
          </mat-form-field>
        </div>
        
        <div class="offboarding-tasks">
          <h3>离职任务清单</h3>
          <div class="task-list">
            <div *ngFor="let task of offboardingTasks" class="task-item">
              <mat-checkbox [(ngModel)]="task.completed" [ngModelOptions]="{standalone: true}">
                {{task.name}}
              </mat-checkbox>
              <span class="task-assignee">负责人: {{task.assignee}}</span>
            </div>
          </div>
        </div>
      </form>
    </mat-dialog-content>
    <mat-dialog-actions align="end">
      <button mat-button mat-dialog-close>取消</button>
      <button mat-raised-button color="primary" [disabled]="offboardingForm.invalid" (click)="saveOffboarding()">提交</button>
    </mat-dialog-actions>
  `,
  styles: [`
    .offboarding-form {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    
    .employee-info {
      padding: 16px;
      background-color: #f5f5f5;
      border-radius: 4px;
      
      h3 {
        margin-top: 0;
        margin-bottom: 16px;
        color: #1a3a6e;
      }
      
      p {
        margin: 8px 0;
      }
    }
    
    .offboarding-details,
    .offboarding-tasks {
      h3 {
        margin-bottom: 16px;
        color: #1a3a6e;
      }
    }
    
    .full-width {
      width: 100%;
    }
    
    .task-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    
    .task-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 8px 0;
      border-bottom: 1px solid #e0e0e0;
      
      &:last-child {
        border-bottom: none;
      }
      
      .task-assignee {
        color: #757575;
        font-size: 12px;
      }
    }
  `]
})
export class OffboardingDialog implements OnInit {
  offboardingForm: FormGroup;
  offboardingTasks = [
    { name: '项目交接', completed: false, assignee: '技术组长' },
    { name: '客户信息同步', completed: false, assignee: '客服主管' },
    { name: '薪资结算', completed: false, assignee: '财务' },
    { name: '归还办公设备', completed: false, assignee: '行政' },
    { name: '系统权限冻结', completed: false, assignee: '技术支持' }
  ];
  
  constructor(
    private fb: FormBuilder,
    public dialogRef: MatDialogRef<OffboardingDialog>,
    @Inject(MAT_DIALOG_DATA) public data: {employee: Employee}
  ) {
    this.offboardingForm = this.fb.group({
      reason: ['', Validators.required],
      resignDate: [new Date(), Validators.required],
      handoverRequirements: ['']
    });
  }
  
  ngOnInit() {}
  
  saveOffboarding() {
    if (this.offboardingForm.valid) {
      const offboardingData = {
        ...this.offboardingForm.value,
        tasks: this.offboardingTasks
      };
      this.dialogRef.close(offboardingData);
    }
  }
}

@Component({
  selector: 'app-employee-records',
  standalone: true,
  imports: [
    CommonModule,
    NgIf,
    NgFor,
    FormsModule,
    ReactiveFormsModule,
    MatButtonModule,
    MatInputModule,
    MatSelectModule,
    MatDatepickerModule,
    MatNativeDateModule,
    MatDialogModule,
    MatTableModule,
    MatPaginatorModule,
    MatCheckboxModule,
    MatSnackBarModule,
    MatIconModule,
    MatTooltipModule,
    MatTabsModule,
    MatChipsModule,
    MatMenuModule,
    MatCardModule,
    MatProgressSpinnerModule
  ],
  templateUrl: './employee-records.html',
  styleUrls: ['./employee-records.scss']
})
export class EmployeeRecords implements OnInit {
  // 员工数据
  employees = signal<Employee[]>([
    {
      id: '1',
      name: '张三',
      department: '设计部',
      position: '设计师',
      employeeId: 'DS001',
      phone: '13800138001',
      email: 'zhangsan@example.com',
      gender: '男',
      birthDate: new Date('1990-01-01'),
      hireDate: new Date('2022-01-15'),
      status: '在职',
      idCard: '110105199001011234',
      bankCard: '6222021234567890'
    },
    {
      id: '2',
      name: '李四',
      department: '客服部',
      position: '客服专员',
      employeeId: 'CS001',
      phone: '13800138002',
      email: 'lisi@example.com',
      gender: '女',
      birthDate: new Date('1992-05-20'),
      hireDate: new Date('2022-03-10'),
      status: '在职',
      idCard: '110105199205201256',
      bankCard: '6216619876543210'
    },
    {
      id: '3',
      name: '王五',
      department: '技术部',
      position: '前端开发',
      employeeId: 'FE001',
      phone: '13800138003',
      email: 'wangwu@example.com',
      gender: '男',
      birthDate: new Date('1988-11-15'),
      hireDate: new Date('2023-01-05'),
      status: '试用期',
      idCard: '110105198811151278',
      bankCard: '6225880011223344'
    },
    {
      id: '4',
      name: '赵六',
      department: '设计部',
      position: '高级设计师',
      employeeId: 'DS002',
      phone: '13800138004',
      email: 'zhaoliu@example.com',
      gender: '男',
      birthDate: new Date('1985-07-22'),
      hireDate: new Date('2021-06-18'),
      status: '在职',
      idCard: '110105198507221299',
      bankCard: '6217009988776655'
    },
    {
      id: '5',
      name: '钱七',
      department: '技术部',
      position: '技术组长',
      employeeId: 'TL001',
      phone: '13800138005',
      email: 'qianqi@example.com',
      gender: '男',
      birthDate: new Date('1983-03-30'),
      hireDate: new Date('2020-09-01'),
      status: '在职',
      idCard: '110105198303301233',
      bankCard: '6222035566778899'
    }
  ]);
  
  // 筛选条件
  filterName = signal('');
  filterDepartment = signal('');
  filterPosition = signal('');
  filterStatus = signal('');
  
  // 表格列定义
  displayedColumns = ['select', 'name', 'employeeId', 'department', 'position', 'phone', 'idCard', 'bankCard', 'hireDate', 'status', 'actions'];
  
  // 选中的员工
  selectedEmployees = signal<string[]>([]);

  // 展示敏感信息的行（按员工id）
  sensitiveExpandedIds = signal<string[]>([]);
  
  // 是否有任意行展开敏感信息
  isAnySensitiveExpanded = computed(() => this.sensitiveExpandedIds().length > 0);

  // 部门和职位数据
  departments = [
    { id: '1', name: '设计部', employeeCount: 25 },
    { id: '2', name: '客服部', employeeCount: 18 },
    { id: '3', name: '技术部', employeeCount: 30 },
    { id: '4', name: '行政部', employeeCount: 10 }
  ];
  
  positions = [
    { id: '1', name: '设计师', departmentId: '1', departmentName: '设计部', level: '中级' },
    { id: '2', name: '高级设计师', departmentId: '1', departmentName: '设计部', level: '高级' },
    { id: '3', name: '客服专员', departmentId: '2', departmentName: '客服部', level: '初级' },
    { id: '4', name: '客服主管', departmentId: '2', departmentName: '客服部', level: '高级' },
    { id: '5', name: '前端开发', departmentId: '3', departmentName: '技术部', level: '中级' },
    { id: '6', name: '技术组长', departmentId: '3', departmentName: '技术部', level: '高级' },
    { id: '7', name: '行政专员', departmentId: '4', departmentName: '行政部', level: '初级' }
  ];
  
  // 计算过滤后的员工列表
  filteredEmployees = computed(() => {
    return this.employees().filter(employee => {
      const nameMatch = this.filterName() === '' || employee.name.includes(this.filterName());
      const departmentMatch = this.filterDepartment() === '' || employee.department === this.filterDepartment();
      const positionMatch = this.filterPosition() === '' || employee.position === this.filterPosition();
      const statusMatch = this.filterStatus() === '' || employee.status === this.filterStatus();
      
      return nameMatch && departmentMatch && positionMatch && statusMatch;
    });
  });
  
  constructor(
    private dialog: MatDialog,
    private snackBar: MatSnackBar,
    private router: Router
  ) {}
  
  ngOnInit() {}

  // 掩码与格式化工具
  maskIdCard(id: string): string {
    if (!id) return '';
    if (id.length >= 18) return `${id.slice(0, 6)}********${id.slice(-4)}`;
    if (id.length > 6) return `${id.slice(0, 3)}****${id.slice(-2)}`;
    return id;
  }

  maskBankCard(card: string): string {
    if (!card) return '';
    const compact = card.replace(/\s+/g, '');
    if (compact.length <= 8) return compact;
    const first4 = compact.slice(0, 4);
    const last4 = compact.slice(-4);
    return `${first4} **** **** ${last4}`;
  }

  formatBankCard(card: string): string {
    if (!card) return '';
    return card.replace(/\s+/g, '').replace(/(\d{4})(?=\d)/g, '$1 ').trim();
  }

  isSensitiveExpanded(id: string): boolean {
    return this.sensitiveExpandedIds().includes(id);
  }

  toggleSensitive(id: string) {
    const list = this.sensitiveExpandedIds();
    if (list.includes(id)) {
      this.sensitiveExpandedIds.set(list.filter(x => x !== id));
    } else {
      this.sensitiveExpandedIds.set([...list, id]);
    }
  }

  // 打开新增员工对话框
  openAddEmployeeDialog() {
    const dialogRef = this.dialog.open(AddEmployeeDialog, {
      width: '700px',
      panelClass: 'hr-dialog',
      data: { isEdit: false }
    });
    
    dialogRef.afterClosed().subscribe(result => {
      if (result) {
        const newEmployee: Employee = {
          id: (this.employees().length + 1).toString(),
          ...result
        };
        
        this.employees.update(employees => [...employees, newEmployee]);
        this.showSnackBar('员工添加成功');
      }
    });
  }
  
  // 打开编辑员工对话框
  openEditEmployeeDialog(employee: Employee) {
    const dialogRef = this.dialog.open(AddEmployeeDialog, {
      width: '700px',
      panelClass: 'hr-dialog',
      data: { employee, isEdit: true }
    });
    
    dialogRef.afterClosed().subscribe(result => {
      if (result) {
        this.employees.update(employees => 
          employees.map(emp => emp.id === employee.id ? { ...emp, ...result } : emp)
        );
        this.showSnackBar('员工信息更新成功');
      }
    });
  }
  
  // 打开入职流程对话框
  openOnboardingDialog(employee: Employee) {
    const dialogRef = this.dialog.open(OnboardingDialog, {
      width: '600px',
      panelClass: 'hr-dialog',
      data: { employee }
    });
    
    dialogRef.afterClosed().subscribe(result => {
      if (result) {
        this.showSnackBar('入职流程更新成功');
      }
    });
  }
  
  // 打开离职流程对话框
  openOffboardingDialog(employee: Employee) {
    const dialogRef = this.dialog.open(OffboardingDialog, {
      width: '600px',
      panelClass: 'hr-dialog',
      data: { employee }
    });
    
    dialogRef.afterClosed().subscribe(result => {
      if (result) {
        // 更新员工状态为离职
        this.employees.update(employees => 
          employees.map(emp => emp.id === employee.id ? { ...emp, status: '离职' } : emp)
        );
        this.showSnackBar('离职流程已启动');
      }
    });
  }
  
  // 删除员工
  deleteEmployee(employee: Employee) {
    if (confirm(`确定要删除员工 ${employee.name} 吗？`)) {
      this.employees.update(employees => 
        employees.filter(emp => emp.id !== employee.id)
      );
      this.showSnackBar('员工已删除');
    }
  }
  
  // 批量删除员工
  batchDelete() {
    if (this.selectedEmployees().length === 0) {
      this.showSnackBar('请先选择要删除的员工');
      return;
    }
    
    if (confirm(`确定要删除选中的 ${this.selectedEmployees().length} 名员工吗？`)) {
      this.employees.update(employees => 
        employees.filter(emp => !this.selectedEmployees().includes(emp.id))
      );
      this.selectedEmployees.set([]);
      this.showSnackBar('批量删除成功');
    }
  }
  
  // 导出员工数据
  exportEmployees(type: string) {
    // 实际项目中这里会调用导出服务
    this.showSnackBar(`已导出${type}`);
  }

  // 快捷卡片查看详情
  openQuickAction(type: 'onboarding' | 'offboarding' | 'probation') {
    switch (type) {
      case 'onboarding':
        // 这里可以导航或弹窗，先给出提示
        this.showSnackBar('前往入职流程列表');
        break;
      case 'offboarding':
        this.showSnackBar('前往离职流程列表');
        break;
      case 'probation':
        this.showSnackBar('查看试用期即将到期员工');
        break;
    }
  }

  // 进入员工详情（根据角色跳转至相应详情页）
  goToDetails(employee: Employee) {
    // 目前仅实现设计师角色详情，后续可按职位扩展其它角色
    this.showSnackBar('该角色详情页正在建设中');
  }
  
  // 选择/取消选择单个员工
  toggleSelection(employeeId: string) {
    if (this.isSelected(employeeId)) {
      this.selectedEmployees.update(selected => selected.filter(id => id !== employeeId));
    } else {
      this.selectedEmployees.update(selected => [...selected, employeeId]);
    }
  }
  
  // 选择/取消选择所有员工
  toggleSelectAll(checked: boolean) {
    if (checked) {
      const allIds = this.filteredEmployees().map(emp => emp.id);
      this.selectedEmployees.set(allIds);
    } else {
      this.selectedEmployees.set([]);
    }
  }
  
  // 检查员工是否被选中
  isSelected(employeeId: string): boolean {
    return this.selectedEmployees().includes(employeeId);
  }
  
  // 检查是否所有员工都被选中
  isAllSelected(): boolean {
    return this.filteredEmployees().length > 0 && 
           this.filteredEmployees().every(emp => this.selectedEmployees().includes(emp.id));
  }
  
  // 显示提示消息
  showSnackBar(message: string) {
    this.snackBar.open(message, '关闭', {
      duration: 3000,
      horizontalPosition: 'center',
      verticalPosition: 'bottom',
      panelClass: ['success-snackbar']
    });
  }
  
  // 重置筛选条件
  resetFilters() {
    this.filterName.set('');
    this.filterDepartment.set('');
    this.filterPosition.set('');
    this.filterStatus.set('');
  }
}