import { Component, OnInit, signal, computed, ViewChild, AfterViewChecked } from '@angular/core';
import { CommonModule } from '@angular/common';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { RouterModule, ActivatedRoute } from '@angular/router';
import { MatDialog, MatDialogModule } from '@angular/material/dialog';
import { ProjectService } from '../../../services/project.service';
import { Project, Task, Message, FileItem, CustomerFeedback, Milestone } from '../../../models/project.model';
import { ModificationRequestDialog } from './modification-request-dialog';
import { ComplaintWarningDialog } from './complaint-warning-dialog';
import { RefundRequestDialog } from './refund-request-dialog';

// 定义项目阶段接口
interface ProjectStage {
  name: string;
  completed: boolean;
  inProgress: boolean;
  startDate?: Date;
  endDate?: Date;
  responsible?: string;
  details?: string;
}

// 定义企业微信消息接口
interface WechatMessage {
  sender: string;
  content: string;
  timestamp: Date;
}

// 定义历史咨询记录接口
interface ConsultationRecord {
  id: string;
  date: Date;
  content: string;
  status: string;
}

// 定义合作项目接口
interface CooperationProject {
  id: string;
  name: string;
  startDate: Date;
  endDate?: Date;
  status: string;
  description: string;
}

// 定义历史反馈接口
interface HistoricalFeedback {
  id: string;
  date: Date;
  content: string;
  rating: number;
  response?: string;
}

@Component({
  selector: 'app-project-detail',
  standalone: true,
  imports: [CommonModule, FormsModule, ReactiveFormsModule, RouterModule, MatDialogModule],
  templateUrl: './project-detail.html',
  styleUrls: ['./project-detail.scss', '../customer-service-styles.scss']
})
export class ProjectDetail implements OnInit, AfterViewChecked {
  // 项目ID
  projectId = '';
  
  // 项目详情
  project = signal<Project | null>(null);
  
  // 添加 toggleSidebar 方法
  toggleSidebar(): void {
    // 这里可以实现侧边栏切换逻辑
    // 如果需要与全局状态交互，可以注入相应的服务
    console.log('Toggle sidebar');
  }
  
  // 项目里程碑
  milestones = signal<Milestone[]>([]);
  
  // 项目任务
  tasks = signal<Task[]>([]);
  
  // 项目消息
  messages = signal<Message[]>([]);
  
  // 项目文件
  files = signal<FileItem[]>([]);
  
  // 客户反馈
  feedbacks = signal<CustomerFeedback[]>([]);
  
  // 当前激活的标签页
  activeTab = signal('overview');
  
  // 新消息内容
  newMessage = signal('');
  
  // 项目阶段数据 - 进度时间轴
  projectStages: ProjectStage[] = [
    {      
      name: '需求沟通',
      completed: true,
      inProgress: false,
      startDate: new Date('2023-06-01'),
      endDate: new Date('2023-06-08'),
      responsible: '客服小李',
      details: '完成客户需求确认、现场量房和初步方案讨论'
    },
    {
      name: '建模',
      completed: true,
      inProgress: false,
      startDate: new Date('2023-06-09'),
      endDate: new Date('2023-06-18'),
      responsible: '张设计师',
      details: '创建3D模型和基础渲染'
    },
    {
      name: '软装',
      completed: false,
      inProgress: true,
      startDate: new Date('2023-06-19'),
      responsible: '张设计师',
      details: '选择和搭配家具、灯具和装饰品'
    },
    {
      name: '渲染',
      completed: false,
      inProgress: false,
      startDate: new Date('2023-06-26'),
      responsible: '张设计师',
      details: '生成最终渲染图'
    },
    {
      name: '后期',
      completed: false,
      inProgress: false,
      startDate: new Date('2023-07-03'),
      responsible: '张设计师',
      details: '后期图像处理和优化'
    },
    {
      name: '投诉处理',
      completed: false,
      inProgress: false,
      startDate: new Date('2023-07-10'),
      endDate: new Date('2023-07-15'),
      responsible: '客服小李',
      details: '项目验收、交付和投诉处理'
    }
  ];
  
  // 企业微信聊天相关
  @ViewChild('wechatMessages') wechatMessagesContainer: any;
  wechatMessagesList: WechatMessage[] = [];
  wechatInput = '';
  scrollToBottom = false;
  
  // 历史服务记录相关
  consultationRecords = signal<ConsultationRecord[]>([]);
  cooperationProjects = signal<CooperationProject[]>([]);
  historicalFeedbacks = signal<HistoricalFeedback[]>([]);
  
  // 售后处理弹窗状态
  showModificationRequest = false;
  showComplaintWarning = false;
  showRefundRequest = false;
  
  // 项目状态颜色映射
  statusColors = {
    '进行中': 'primary',
    '待确认': 'warning',
    '已完成': 'success',
    '已暂停': 'secondary',
    '已取消': 'danger'
  };
  
  // 计算完成进度
  completionProgress = computed(() => {
    if (!this.tasks().length) return 0;
    const completedTasks = this.tasks().filter(task => task.isCompleted).length;
    return Math.round((completedTasks / this.tasks().length) * 100);
  });
  
  constructor(
    private route: ActivatedRoute,
    private projectService: ProjectService,
    private dialog: MatDialog
  ) {
    // 获取路由参数中的项目ID
    this.route.paramMap.subscribe(params => {
      this.projectId = params.get('id') || '';
    });
  }
  
  ngOnInit(): void {
    this.loadProjectDetails();
  }
  
  // 加载项目详情
  loadProjectDetails(): void {
    // 模拟从服务获取项目数据
    this.projectService.getProjectById(this.projectId).subscribe(project => {
      if (project) {
        this.project.set(project);
      }
    });
    
    // 加载模拟数据
    this.loadMockData();
  }
  
  // 加载模拟数据
  // 修复 loadMockData 方法中的任务对象，确保类型一致性
  loadMockData(): void {
    // 初始化企业微信聊天
    this.initWechatMessages();
    
    // 初始化历史服务记录
    this.initHistoricalServiceRecords();
    
    // 模拟里程碑数据
    this.milestones.set([
      { 
        id: 'm1',
        title: '客户需求确认',
        description: '确认客户的装修需求和风格偏好',
        dueDate: new Date('2023-06-10'),
        completedDate: new Date('2023-06-08'),
        isCompleted: true
      },
      {
        id: 'm2',
        title: '设计方案提交',
        description: '提交初步设计方案供客户审阅',
        dueDate: new Date('2023-06-20'),
        completedDate: new Date('2023-06-18'),
        isCompleted: true
      },
      {
        id: 'm3',
        title: '方案修改与确认',
        description: '根据客户反馈修改并最终确认方案',
        dueDate: new Date('2023-06-25'),
        completedDate: undefined,
        isCompleted: false
      },
      {
        id: 'm4',
        title: '施工图制作',
        description: '制作详细的施工图纸',
        dueDate: new Date('2023-07-05'),
        completedDate: undefined,
        isCompleted: false
      },
      {
        id: 'm5',
        title: '项目验收',
        description: '客户验收最终成果',
        dueDate: new Date('2023-07-15'),
        completedDate: undefined,
        isCompleted: false
      }
    ]);
    
    // 模拟任务数据 - 确保所有任务对象都有完整的必填属性
    this.tasks.set([
      { 
        id: 't1',
        title: '现场量房',
        description: '前往客户现场进行房屋测量',
        projectId: this.projectId,
        projectName: '现代简约风格三居室设计',
        assignee: '张设计师',
        deadline: new Date('2023-06-05'),
        completedDate: new Date('2023-06-04'),
        isCompleted: true,
        isOverdue: false,
        priority: 'high',
        stage: '需求沟通' // 添加 stage 属性，确保符合 Task 接口
      },
      {
        id: 't2',
        title: '设计初稿',
        description: '完成设计方案初稿',
        projectId: this.projectId,
        projectName: '现代简约风格三居室设计',
        assignee: '张设计师',
        deadline: new Date('2023-06-15'),
        completedDate: new Date('2023-06-14'),
        isCompleted: true,
        isOverdue: false,
        priority: 'high',
        stage: '建模'
      },
      {
        id: 't3',
        title: '客户沟通',
        description: '与客户沟通设计方案反馈',
        projectId: this.projectId,
        projectName: '现代简约风格三居室设计',
        assignee: '客服小李',
        deadline: new Date('2023-06-22'),
        completedDate: undefined,
        isCompleted: false,
        isOverdue: false,
        priority: 'medium',
        stage: '需求沟通'
      },
      {
        id: 't4',
        title: '方案修改',
        description: '根据客户反馈修改设计方案',
        projectId: this.projectId,
        projectName: '现代简约风格三居室设计',
        assignee: '张设计师',
        deadline: new Date('2023-06-28'),
        completedDate: undefined,
        isCompleted: false,
        isOverdue: false,
        priority: 'high',
        stage: '软装'
      },
      {
        id: 't5',
        title: '施工图绘制',
        description: '绘制详细的施工图纸',
        projectId: this.projectId,
        projectName: '现代简约风格三居室设计',
        assignee: '王设计师',
        deadline: new Date('2023-07-10'),
        completedDate: undefined,
        isCompleted: false,
        isOverdue: false,
        priority: 'medium',
        stage: '渲染'
      }
    ]);
    
    // 模拟消息数据
    this.messages.set([
      {
        id: 'msg1',
        sender: '客户王先生',
        content: '设计方案收到了，整体很满意，客厅的颜色可以再调整一下吗？',
        timestamp: new Date('2023-06-19T10:30:00'),
        isRead: true,
        type: 'text'
      },
      {
        id: 'msg2',
        sender: '客服小李',
        content: '好的，我们会根据您的需求调整客厅颜色方案，稍后给您发送修改后的效果图。',
        timestamp: new Date('2023-06-19T10:45:00'),
        isRead: true,
        type: 'text'
      },
      {
        id: 'msg3',
        sender: '张设计师',
        content: '修改后的客厅效果图已上传，请查收。',
        timestamp: new Date('2023-06-19T14:20:00'),
        isRead: true,
        type: 'text'
      },
      {
        id: 'msg4',
        sender: '客户王先生',
        content: '这个效果很好，就按照这个方案进行吧！',
        timestamp: new Date('2023-06-20T09:15:00'),
        isRead: true,
        type: 'text'
      },
      {
        id: 'msg5',
        sender: '客服小李',
        content: '收到，我们会尽快开始下一阶段的工作。',
        timestamp: new Date('2023-06-20T09:30:00'),
        isRead: true,
        type: 'text'
      }
    ]);
    
    // 模拟文件数据
    this.files.set([
      {
        id: 'file1',
        name: '设计方案初稿.pdf',
        type: 'document',
        size: '2.5MB',
        url: 'https://example.com/files/design-proposal.pdf',
        uploadedBy: '张设计师',
        uploadedAt: new Date('2023-06-15'),
        downloadCount: 12
      },
      {
        id: 'file2',
        name: '客厅效果图.png',
        type: 'image',
        size: '1.8MB',
        url: 'https://example.com/files/living-room.png',
        uploadedBy: '张设计师',
        uploadedAt: new Date('2023-06-18'),
        downloadCount: 8
      },
      {
        id: 'file3',
        name: '修改后客厅效果图.png',
        type: 'image',
        size: '2.1MB',
        url: 'https://example.com/files/living-room-revised.png',
        uploadedBy: '张设计师',
        uploadedAt: new Date('2023-06-19'),
        downloadCount: 5
      },
      {
        id: 'file4',
        name: '客户需求文档.docx',
        type: 'document',
        size: '1.2MB',
        url: 'https://example.com/files/requirements.docx',
        uploadedBy: '客服小李',
        uploadedAt: new Date('2023-06-05'),
        downloadCount: 10
      },
      {
        id: 'file5',
        name: '房屋测量数据.xlsx',
        type: 'spreadsheet',
        size: '0.8MB',
        url: 'https://example.com/files/measurement.xlsx',
        uploadedBy: '张设计师',
        uploadedAt: new Date('2023-06-04'),
        downloadCount: 7
      }
    ]);
    
    // 模拟客户反馈
    this.feedbacks.set([
      {
        id: 'fb1',
        projectId: this.projectId,
        customerName: '王先生',
        content: '对设计方案整体满意，但希望客厅颜色能更柔和一些。',
        rating: 4,
        createdAt: new Date('2023-06-19'),
        status: '已解决',
        response: '已根据您的需求调整了客厅颜色方案，详见最新上传的效果图。',
        isSatisfied: true
      }
    ]);
  }
  
  // 切换标签页
  switchTab(tab: string): void {
    this.activeTab.set(tab);
  }
  
  // 增强版发送消息功能
  sendMessage(): void {
    if (this.newMessage().trim()) {
      // 添加发送动画效果
      const sendBtn = document.querySelector('.message-actions .primary-btn');
      if (sendBtn) {
        sendBtn.classList.add('sending');
        setTimeout(() => sendBtn.classList.remove('sending'), 300);
      }

      const newMsg: Message = {
        id: `msg${Date.now()}`,
        sender: '客服小李',
        content: this.newMessage().trim(),
        timestamp: new Date(),
        isRead: true,
        type: 'text'
      };
      
      this.messages.set([...this.messages(), newMsg]);
      this.newMessage.set('');
      
      // 自动滚动到底部
      setTimeout(() => {
        const container = document.querySelector('.messages-list');
        if (container) {
          container.scrollTop = container.scrollHeight;
        }
      }, 100);
    }
  }
  
  // 增强版完成任务功能
  completeTask(taskId: string): void {
    // 添加完成动画效果
    const taskElement = document.querySelector(`.task-item[data-id="${taskId}"]`);
    if (taskElement) {
      taskElement.classList.add('completing');
      setTimeout(() => taskElement.classList.remove('completing'), 500);
    }

    this.tasks.set(
      this.tasks().map(task => 
        task.id === taskId 
          ? { ...task, isCompleted: true, completedDate: new Date(), isOverdue: false }
          : task
      )
    );
    
    // 播放完成音效
    this.playSound('complete');
  }
  
  // 修复 completeMilestone 方法中的类型问题
  completeMilestone(milestoneId: string): void {
    this.milestones.set(
      this.milestones().map(milestone => 
        milestone.id === milestoneId 
          ? { ...milestone, isCompleted: true, completedDate: new Date() }
          : milestone
      )
    );
  }
  
  // 增强 formatDate 和 formatDateTime 方法的类型安全
  formatDate(date: Date | string | null | undefined): string {
    if (!date) return '-';
    try {
      return new Date(date).toLocaleDateString('zh-CN', {
        year: 'numeric',
        month: '2-digit',
        day: '2-digit'
      });
    } catch (error) {
      console.error('日期格式化错误:', error);
      return '-';
    }
  }
  
  formatDateTime(date: Date | string | null | undefined): string {
    if (!date) return '-';
    try {
      return new Date(date).toLocaleString('zh-CN', {
        year: 'numeric',
        month: '2-digit',
        day: '2-digit',
        hour: '2-digit',
        minute: '2-digit'
      });
    } catch (error) {
      console.error('日期时间格式化错误:', error);
      return '-';
    }
  }
  
  // 下载文件
  downloadFile(file: FileItem): void {
    console.log('下载文件:', file.name);
    // 实际应用中，这里会处理文件下载逻辑
  }
  
  // 查看文件预览
  previewFile(file: FileItem): void {
    console.log('预览文件:', file.name);
    // 实际应用中，这里会打开文件预览
  }
  
  // 获取项目状态的CSS类名
  getProjectStatusClass(status: string | null | undefined): string {
    if (!status) return 'status-default';
    switch (status) {
      case '进行中':
        return 'status-active';
      case '待确认':
        return 'status-pending';
      case '已完成':
        return 'status-completed';
      default:
        return 'status-default';
    }
  }
  
  // 获取反馈客户名称（带安全检查）
  getFeedbackCustomerName(feedback: CustomerFeedback | undefined | null): string {
    if (!feedback) return '未知客户';
    return feedback.customerName || '未知客户';
  }
  
  // 获取反馈评分（带安全检查）
  getFeedbackRating(feedback: CustomerFeedback | undefined | null): number {
    if (!feedback) return 0;
    return feedback.rating || 0;
  }
  
  // 消息输入事件处理
  onMessageInput(event: Event): void {
    const target = event.target as HTMLTextAreaElement;
    this.newMessage.set(target.value);
  }
  
  // 添加正确的progressFillWidth计算属性
  progressFillWidth = computed(() => {
    return `${this.completionProgress()}%`;
  });
  
  // AfterViewChecked 接口实现，用于滚动到聊天窗口底部
  ngAfterViewChecked(): void {
    if (this.scrollToBottom && this.wechatMessagesContainer) {
      this.wechatMessagesContainer.nativeElement.scrollTop = 
        this.wechatMessagesContainer.nativeElement.scrollHeight;
      this.scrollToBottom = false;
    }
  }
  
  // 初始化企业微信聊天
  initWechatMessages(): void {
    // 模拟企业微信聊天消息
    this.wechatMessagesList = [
      {
        sender: '客服小李',
        content: '您好，张先生，我们已经收到您的需求，正在为您制定设计方案。',
        timestamp: new Date('2023-06-01T10:30:00')
      },
      {
        sender: '张先生',
        content: '好的，我希望客厅光线充足，储物空间充足，并且使用环保材料。',
        timestamp: new Date('2023-06-01T10:35:00')
      },
      {
        sender: '客服小李',
        content: '明白了，我们会重点考虑这些需求。预计3天内可以完成初步方案。',
        timestamp: new Date('2023-06-01T10:40:00')
      },
      {
        sender: '张设计师',
        content: '您好，我是负责您项目的设计师小张。今天下午我会去现场量房，请问您方便吗？',
        timestamp: new Date('2023-06-02T14:00:00')
      },
      {
        sender: '张先生',
        content: '下午好的，我在小区门口等您。',
        timestamp: new Date('2023-06-02T14:05:00')
      },
      {
        sender: '张设计师',
        content: '已完成量房，正在制作初步设计方案。',
        timestamp: new Date('2023-06-05T18:30:00')
      },
      {
        sender: '客服小李',
        content: '张先生，初步设计方案已完成，您什么时候方便查看一下？',
        timestamp: new Date('2023-06-08T10:00:00')
      }
    ];
    
    // 确保滚动到底部
    setTimeout(() => {
      this.scrollToBottom = true;
    }, 100);
  }
  
  // 增强版发送企业微信消息
  sendWechatMessage(): void {
    if (!this.wechatInput.trim()) return;
    
    // 添加发送动画
    const sendBtn = document.querySelector('.wechat-input-area .send-btn');
    if (sendBtn) {
      sendBtn.classList.add('sending');
      setTimeout(() => sendBtn.classList.remove('sending'), 300);
    }
    
    const newMessage: WechatMessage = {
      sender: '客服小李',
      content: this.wechatInput.trim(),
      timestamp: new Date()
    };
    
    this.wechatMessagesList = [...this.wechatMessagesList, newMessage];
    this.wechatInput = '';
    this.scrollToBottom = true;
    
    // 播放发送音效
    this.playSound('message');
    
    // 模拟对方回复
    setTimeout(() => {
      const replyMessage: WechatMessage = {
        sender: '张先生',
        content: '收到，我稍后查看。',
        timestamp: new Date()
      };
      
      this.wechatMessagesList = [...this.wechatMessagesList, replyMessage];
      this.scrollToBottom = true;
      
      // 播放接收音效
      this.playSound('notification');
    }, 2000);
  }

  // 新增播放音效方法
  playSound(type: 'message' | 'notification' | 'complete'): void {
    // 实际项目中这里会播放对应的音效
    console.log(`播放${type}音效`);
  }
  
  // 初始化历史服务记录
  initHistoricalServiceRecords(): void {
    // 模拟过往咨询记录
    this.consultationRecords.set([
      {
        id: 'cons1',
        date: new Date('2023-01-15'),
        content: '咨询关于厨房改造的可行性和预算',
        status: '已解决'
      },
      {
        id: 'cons2',
        date: new Date('2023-03-20'),
        content: '询问装修材料环保认证相关问题',
        status: '已解决'
      },
      {
        id: 'cons3',
        date: new Date('2023-05-10'),
        content: '了解装修分期付款方案',
        status: '已解决'
      }
    ]);
    
    // 模拟合作项目记录
    this.cooperationProjects.set([
      {
        id: 'proj1',
        name: '2022年现代简约卧室设计项目',
        startDate: new Date('2022-08-15'),
        endDate: new Date('2022-10-30'),
        status: '已完成',
        description: '为客户设计并实施了现代简约风格的卧室改造，包括定制衣柜和床头背景墙'
      },
      {
        id: 'proj2',
        name: '2023年欧式厨房设计项目',
        startDate: new Date('2023-02-01'),
        endDate: new Date('2023-04-15'),
        status: '已完成',
        description: '设计并安装了全套欧式风格厨房，包括橱柜、台面和电器选型'
      }
    ]);
    
    // 模拟历史反馈/评价
    this.historicalFeedbacks.set([
      {
        id: 'fb1',
        date: new Date('2022-11-05'),
        content: '卧室设计非常满意，空间利用合理，风格符合预期',
        rating: 5,
        response: '感谢您的好评，我们会继续努力为您提供优质服务'
      },
      {
        id: 'fb2',
        date: new Date('2023-04-20'),
        content: '厨房装修质量很好，但工期比预期稍长',
        rating: 4,
        response: '感谢您的反馈，我们已经优化了施工流程，会在后续项目中改进'
      }
    ]);
  }
  
  // 格式化为时间显示
  formatTime(date: Date): string {
    if (!date) return '';
    return new Date(date).toLocaleTimeString('zh-CN', { 
      hour: '2-digit', 
      minute: '2-digit' 
    });
  }
  
  // 获取当前日期的计算属性
  currentDate = computed(() => {
    return new Date();
  });
  
  // 售后处理入口方法
  openModificationRequest(): void {
    const dialogRef = this.dialog.open(ModificationRequestDialog, {
      width: '500px',
      data: {
        projectId: this.projectId,
        projectName: this.project()?.name || '现代简约风格三居室设计',
        projectStatus: this.project()?.status || '进行中'
      }
    });

    dialogRef.afterClosed().subscribe(result => {
      if (result) {
        console.log('申请修改提交成功', result);
        // 这里可以添加提交成功后的处理逻辑，如刷新数据、显示通知等
      }
    });
  }
  
  openComplaintWarning(): void {
    const dialogRef = this.dialog.open(ComplaintWarningDialog, {
      width: '500px',
      data: {
        projectId: this.projectId,
        projectName: this.project()?.name || '现代简约风格三居室设计'
      }
    });

    dialogRef.afterClosed().subscribe(result => {
      if (result) {
        console.log('投诉预警提交成功', result);
        // 这里可以添加提交成功后的处理逻辑
      }
    });
  }
  
  openRefundRequest(): void {
    const dialogRef = this.dialog.open(RefundRequestDialog, {
      width: '500px',
      data: {
        projectId: this.projectId,
        projectName: this.project()?.name || '现代简约风格三居室设计',
        projectAmount: 85000 // 模拟项目金额
      }
    });

    dialogRef.afterClosed().subscribe(result => {
      if (result) {
        console.log('申请退款提交成功', result);
        // 这里可以添加提交成功后的处理逻辑
      }
    });
  }
}