// lib/models/saved_report.dart

import 'package:cashumit/models/report_transaction.dart';
import 'package:cashumit/models/report_signature_config.dart';

class SavedReport {
  final String id;
  String title;
  final String accountId;
  final String accountName;
  final DateTime startDate;
  final DateTime endDate;
  final DateTime createdAt;
  DateTime updatedAt;
  List<ReportTransaction> transactions;
  ReportSignatureConfig? signatureConfig;

  SavedReport({
    required this.id,
    required this.title,
    required this.accountId,
    required this.accountName,
    required this.startDate,
    required this.endDate,
    required this.createdAt,
    required this.updatedAt,
    required this.transactions,
    this.signatureConfig,
  });

  double get totalPemasukan => transactions
      .where((t) => t.isPemasukan)
      .fold(0.0, (sum, t) => sum + t.amount);

  double get totalPengeluaran => transactions
      .where((t) => t.isPengeluaran)
      .fold(0.0, (sum, t) => sum + t.amount);

  double get saldoBersih => totalPemasukan - totalPengeluaran;

  int get completedAttachmentCount =>
      transactions.where((t) => t.isPengeluaran && t.isComplete).length;

  int get totalPengeluaranCount =>
      transactions.where((t) => t.isPengeluaran).length;

  int get incompleteAttachmentCount =>
      transactions.where((t) => t.isPengeluaran && !t.isComplete).length;

  factory SavedReport.fromJson(Map<String, dynamic> json) {
    return SavedReport(
      id: json['id']?.toString() ?? '',
      title: json['title']?.toString() ?? 'Laporan Keuangan',
      accountId: json['accountId']?.toString() ?? '',
      accountName: json['accountName']?.toString() ?? '-',
      startDate: DateTime.tryParse(json['startDate']?.toString() ?? '') ?? DateTime.now(),
      endDate: DateTime.tryParse(json['endDate']?.toString() ?? '') ?? DateTime.now(),
      createdAt: DateTime.tryParse(json['createdAt']?.toString() ?? '') ?? DateTime.now(),
      updatedAt: DateTime.tryParse(json['updatedAt']?.toString() ?? '') ?? DateTime.now(),
      transactions: (json['transactions'] as List<dynamic>? ?? [])
          .map((item) => ReportTransaction.fromJson(item as Map<String, dynamic>))
          .toList(),
      signatureConfig: json['signatureConfig'] != null
          ? ReportSignatureConfig.fromJson(json['signatureConfig'] as Map<String, dynamic>)
          : null,
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'title': title,
      'accountId': accountId,
      'accountName': accountName,
      'startDate': startDate.toIso8601String(),
      'endDate': endDate.toIso8601String(),
      'createdAt': createdAt.toIso8601String(),
      'updatedAt': updatedAt.toIso8601String(),
      'transactions': transactions.map((t) => t.toJson()).toList(),
      'signatureConfig': signatureConfig?.toJson(),
    };
  }
}