import 'dart:developer';

import 'package:dartz/dartz.dart';
import 'package:injectable/injectable.dart';

import '../../../domain/analytic/analytic.dart';
import '../../../domain/analytic/repositories/i_analytic_repository.dart';
import '../../auth/datasources/local_data_provider.dart';
import '../../outlet/datasource/local_data_provider.dart';
import '../datasource/remote_data_provider.dart';

@Injectable(as: IAnalyticRepository)
class AnalyticRepository implements IAnalyticRepository {
  final AnalyticRemoteDataProvider _dataProvider;
  final AuthLocalDataProvider _authLocalDataProvider;
  final OutletLocalDataProvider _outletLocalDataProvider;
  final String _logName = 'AnalyticRepository';

  AnalyticRepository(
    this._dataProvider,
    this._authLocalDataProvider,
    this._outletLocalDataProvider,
  );

  /// Resolves outlet_id: pakai param jika ada, fallback ke shared pref
  String? _resolveOutletId(String? outletId) {
    return outletId ?? _outletLocalDataProvider.getSelectedOutletId();
  }

  @override
  Future<Either<AnalyticFailure, SalesAnalytic>> getSales({
    required DateTime dateFrom,
    required DateTime dateTo,
    String? outletId,
  }) async {
    try {
      final result = await _dataProvider.fetchSales(
        dateFrom: dateFrom,
        dateTo: dateTo,
        outletId: _resolveOutletId(outletId),
      );

      if (result.hasError) return left(result.error!);
      return right(result.data!.toDomain());
    } catch (e, s) {
      log('getSalesError', name: _logName, error: e, stackTrace: s);
      return left(const AnalyticFailure.unexpectedError());
    }
  }

  @override
  Future<Either<AnalyticFailure, ProfitLossAnalytic>> getProfitLoss({
    required DateTime dateFrom,
    required DateTime dateTo,
    String? outletId,
  }) async {
    try {
      final result = await _dataProvider.fetchProfitLoss(
        dateFrom: dateFrom,
        dateTo: dateTo,
        outletId: _resolveOutletId(outletId),
      );

      if (result.hasError) return left(result.error!);
      return right(result.data!.toDomain());
    } catch (e, s) {
      log('getProfitLossError', name: _logName, error: e, stackTrace: s);
      return left(const AnalyticFailure.unexpectedError());
    }
  }

  @override
  Future<Either<AnalyticFailure, CategoryAnalytic>> getCategory({
    required DateTime dateFrom,
    required DateTime dateTo,
    String? outletId,
  }) async {
    try {
      final result = await _dataProvider.fetchCategory(
        dateFrom: dateFrom,
        dateTo: dateTo,
        outletId: _resolveOutletId(outletId),
      );

      if (result.hasError) return left(result.error!);
      return right(result.data!.toDomain());
    } catch (e, s) {
      log('getCategoryError', name: _logName, error: e, stackTrace: s);
      return left(const AnalyticFailure.unexpectedError());
    }
  }

  @override
  Future<Either<AnalyticFailure, InventoryAnalytic>> getInventory({
    required DateTime dateFrom,
    required DateTime dateTo,
    String? outletId,
  }) async {
    try {
      final currentUser = await _authLocalDataProvider.currentUser();
      final resolvedId = _resolveOutletId(outletId) ?? currentUser.outletId;

      final result = await _dataProvider.fetchInventory(
        outletId: resolvedId,
        dateFrom: dateFrom,
        dateTo: dateTo,
      );

      if (result.hasError) return left(result.error!);
      return right(result.data!.toDomain());
    } catch (e, s) {
      log('getInventoryError', name: _logName, error: e, stackTrace: s);
      return left(const AnalyticFailure.unexpectedError());
    }
  }

  @override
  Future<Either<AnalyticFailure, DashboardAnalytic>> getDashboard({
    required DateTime dateFrom,
    required DateTime dateTo,
    String? outletId,
  }) async {
    try {
      final result = await _dataProvider.fetchDashboard(
        dateFrom: dateFrom,
        dateTo: dateTo,
        outletId: _resolveOutletId(outletId),
      );

      if (result.hasError) return left(result.error!);
      return right(result.data!.toDomain());
    } catch (e, s) {
      log('getDashboardError', name: _logName, error: e, stackTrace: s);
      return left(const AnalyticFailure.unexpectedError());
    }
  }

  @override
  Future<Either<AnalyticFailure, ProductAnalytic>> getProduct({
    required DateTime dateFrom,
    required DateTime dateTo,
    String? outletId,
  }) async {
    try {
      final result = await _dataProvider.fetchProduct(
        dateFrom: dateFrom,
        dateTo: dateTo,
        outletId: _resolveOutletId(outletId),
      );

      if (result.hasError) return left(result.error!);
      return right(result.data!.toDomain());
    } catch (e, s) {
      log('getProductError', name: _logName, error: e, stackTrace: s);
      return left(const AnalyticFailure.unexpectedError());
    }
  }

  @override
  Future<Either<AnalyticFailure, PaymentMethodAnalytic>> getPaymentMethod({
    required DateTime dateFrom,
    required DateTime dateTo,
    String? outletId,
  }) async {
    try {
      final result = await _dataProvider.fetchPaymentMethod(
        dateFrom: dateFrom,
        dateTo: dateTo,
        outletId: _resolveOutletId(outletId),
      );

      if (result.hasError) return left(result.error!);
      return right(result.data!.toDomain());
    } catch (e, s) {
      log('getPaymentMethodError', name: _logName, error: e, stackTrace: s);
      return left(const AnalyticFailure.unexpectedError());
    }
  }
}