import '../../models/document_model.dart';

enum PendingDocumentStatus { uploading, processing, success, error, syncFailed }

class PendingDocument {
  final String id;
  final String imagePath;
  final PendingDocumentStatus status;
  final DocumentModel? document;
  final double? latitude;
  final double? longitude;
  final String? errorMessage;
  final DateTime createdAt;
  final String? scanMode;

  PendingDocument({
    required this.id,
    required this.imagePath,
    this.status = PendingDocumentStatus.uploading,
    this.document,
    this.latitude,
    this.longitude,
    this.errorMessage,
    DateTime? createdAt,
    this.scanMode,
  }) : createdAt = createdAt ?? DateTime.now();

  PendingDocument copyWith({
    PendingDocumentStatus? status,
    DocumentModel? document,
    double? latitude,
    double? longitude,
    String? errorMessage,
    String? scanMode,
  }) {
    return PendingDocument(
      id: id,
      imagePath: imagePath,
      status: status ?? this.status,
      document: document ?? this.document,
      latitude: latitude ?? this.latitude,
      longitude: longitude ?? this.longitude,
      errorMessage: errorMessage,
      createdAt: createdAt,
      scanMode: scanMode ?? this.scanMode,
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'image_path': imagePath,
      'status': status.name,
      'document': document?.toJson(),
      'latitude': latitude,
      'longitude': longitude,
      'error_message': errorMessage,
      'created_at': createdAt.toIso8601String(),
      'scan_mode': scanMode,
    };
  }

  factory PendingDocument.fromJson(Map<String, dynamic> json) {
    PendingDocumentStatus status;
    try {
      status = PendingDocumentStatus.values.byName(json['status'] as String? ?? '');
    } catch (_) {
      status = PendingDocumentStatus.error;
    }

    final rawDocument = json['document'];

    return PendingDocument(
      id: json['id'] as String,
      imagePath: json['image_path'] as String,
      status: status,
      document: rawDocument is Map
          ? DocumentModel.fromJson(Map<String, dynamic>.from(rawDocument))
          : null,
      latitude: (json['latitude'] as num?)?.toDouble(),
      longitude: (json['longitude'] as num?)?.toDouble(),
      errorMessage: json['error_message'] as String?,
      createdAt: json['created_at'] != null ? DateTime.parse(json['created_at'] as String) : null,
      scanMode: json['scan_mode'] as String?,
    );
  }
}