import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:uuid/uuid.dart';

class House {
  final String id;
  final String title;
  final String? address;
  final double? latitude;
  final double? longitude;
  final double? totalPrice;
  final double? totalPing;
  final double? age;
  final String? propertyType;
  final String? summaryNotes;
  final double? overallRating;
  final bool isFavorite;
  final DateTime? createdAt;

  House({
    required this.id,
    required this.title,
    this.address,
    this.latitude,
    this.longitude,
    this.totalPrice,
    this.totalPing,
    this.age,
    this.propertyType,
    this.summaryNotes,
    this.overallRating,
    this.isFavorite = false,
    this.createdAt,
  });

  factory House.fromJson(Map<String, dynamic> json) {
    return House(
      id: json['id'] as String? ?? const Uuid().v4(),
      title: json['title'] as String? ?? '未命名物件',
      address: json['address'] as String?,
      latitude: double.tryParse(json['latitude']?.toString() ?? ''),
      longitude: double.tryParse(json['longitude']?.toString() ?? ''),
      totalPrice: double.tryParse(json['total_price']?.toString() ?? ''),
      totalPing: double.tryParse(json['total_ping']?.toString() ?? ''),
      age: double.tryParse(json['age']?.toString() ?? ''),
      propertyType: json['property_type'] as String?,
      summaryNotes: json['summary_notes'] as String?,
      overallRating: double.tryParse(json['overall_rating']?.toString() ?? '0'),
      isFavorite: json['is_favorite'] == 1 || json['is_favorite'] == true,
      createdAt: json['created_at'] != null ? DateTime.tryParse(json['created_at']) : null,
    );
  }

  // UI Helper: 評分顏色
  Color get ratingColor {
    if ((overallRating ?? 0) >= 4) return Colors.green;
    if ((overallRating ?? 0) >= 3) return Colors.orange;
    return Colors.red;
  }

  // 格式化顯示價格與坪數
  String get priceTag => totalPrice != null ? '${totalPrice} 萬' : '價格未定';
  String get infoSummary => '${propertyType ?? "未知"} | ${age ?? "?"}年 | ${totalPing ?? "?"}坪';
}

// 檢查項目定義 (Template)
class CheckItem {
  final String id;
  final String categoryId;
  final String name;
  final bool isDefault;

  CheckItem({required this.id, required this.categoryId, required this.name, this.isDefault = true});

  factory CheckItem.fromJson(Map<String, dynamic> json) {
    return CheckItem(
      id: json['id'] as String,
      categoryId: json['category_id'] as String,
      name: json['name'] as String,
      isDefault: json['is_default'] == 1,
    );
  }
}

// 新增照片模型
class HousePhoto {
  final String id;
  final String houseId;
  final String? evaluationId; // 關聯特定評估項目
  final String filePath;
  final String? description;

  HousePhoto({required this.id, required this.houseId, this.evaluationId, required this.filePath, this.description});

  factory HousePhoto.fromJson(Map<String, dynamic> json) {
    return HousePhoto(
      id: json['id'] as String,
      houseId: json['house_id'] as String,
      evaluationId: json['evaluation_id'] as String?,
      filePath: json['file_path'] as String,
      description: json['description'] as String?,
    );
  }

  // 取得完整圖片網址
  // String get fullUrl => "https://api.gex.com.tw/uploads/$filePath";
  String get fullUrl {
    if (filePath.startsWith('http')) {
      return filePath;
    }
    return "https://api.gex.com.tw/uploads/$filePath";
  }
}

// 新增評估紀錄模型
class HouseEvaluation {
  String? id;             // 【修改】允許為 null (新建立的評估還沒有 ID)
  String houseId;         // 移除 final
  String checkItemId;     // 移除 final
  String itemName;   // 移除 final，讓前端可以賦值
  int score;              // 【修改】移除 final，讓表單可以更新分數
  String? itemMemo;       // 【修改】移除 final，讓表單可以更新備註

  HouseEvaluation({
    this.id, // 【修改】移除 required
    required this.houseId,
    required this.checkItemId,
    required this.itemName, // 給予預設值，解決報錯
    this.score = 0,
    this.itemMemo,
  });

  factory HouseEvaluation.fromJson(Map<String, dynamic> json) {
    return HouseEvaluation(
      id: json['id'] as String?,
      houseId: json['house_id'] as String? ?? '',
      checkItemId: json['check_item_id'] as String? ?? '',
      itemName: json['itemName'] as String? ?? '',
      score: int.tryParse(json['score']?.toString() ?? '0') ?? 0,
      itemMemo: json['item_memo'] as String?,
    );
  }
}

// Tag
class Tag {
  final String id;
  final String name;
  final String colorHex;
  bool isSelected; // UI 用：判斷是否被選取

  Tag({
    required this.id,
    required this.name,
    required this.colorHex,
    this.isSelected = false,
  });

  factory Tag.fromJson(Map<String, dynamic> json) {
    return Tag(
      id: json['id'] as String,
      name: json['name'] as String,
      colorHex: json['color_hex'] as String? ?? '#CCCCCC',
    );
  }

  // 輔助：轉換 Hex String 為 Color 物件
  Color get color {
    final hexCode = colorHex.replaceAll('#', '');
    return Color(int.parse('FF$hexCode', radix: 16));
  }
}

// 檢查項目大類模型
class CheckCategory {
  final String id;
  final String name;
  final int sortOrder;

  CheckCategory({required this.id, required this.name, required this.sortOrder});

  factory CheckCategory.fromJson(Map<String, dynamic> json) {
    return CheckCategory(
      id: json['id'] as String,
      name: json['name'] as String,
      sortOrder: int.tryParse(json['sort_order']?.toString() ?? '0') ?? 0,
    );
  }
}