import 'package:e_scan/backend/objectbox/entities/product/product_entity.dart';
import 'package:e_scan/backend/objectbox/entities/stock_picking/stock_picking_record_entity.dart';
import 'package:e_scan/backend/objectbox/objectbox_manager.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:freezed_annotation/freezed_annotation.dart';
import 'package:collection/collection.dart';
part 'reception_scan_page_model.freezed.dart';

final receptionScanPageModelProvider =
    StateNotifierProvider.autoDispose<
      ReceptionScanPageModel,
      ReceptionScanPageModelState
    >((ref) {
      return ReceptionScanPageModel();
    });

class ReceptionScanPageModel
    extends StateNotifier<ReceptionScanPageModelState> {
  ReceptionScanPageModel() : super(const ReceptionScanPageModelState());

  Future getReceptionById({required int id}) async {
    try {
      final stockPickingRecords = objectboxManager.store
          .box<StockPickingRecordEntity>();
      state = state.copyWith(loading: true);
      final entity = stockPickingRecords.get(id);
      state = state.copyWith(loading: false, reception: entity);
    } catch (e) {
      state = state.copyWith(loading: false);
    }
  }

  ProductEntity? getProduct({
    required int receptionId,
    required String barcode,
  }) {
    final stockPickingRecordBox = objectboxManager.store
        .box<StockPickingRecordEntity>();
    final stockPickingRecord = stockPickingRecordBox.get(receptionId);
    final moveEntity = stockPickingRecord?.moveIdsWithoutPackage
        .firstWhereOrNull((e) => e.productId.target?.barcode == barcode);
    return moveEntity?.productId.target;
  }

  void incrementMoveLineQuantity({
    required String barcode,
    required int receptionId,
    VoidCallback? onError,
  }) {
    final moveLineBox = objectboxManager.store
        .box<MoveLineWithoutPackageEntity>();
    final stockPickingRecordBox = objectboxManager.store
        .box<StockPickingRecordEntity>();
    final moveBox = objectboxManager.store.box<MoveWithoutPackageEntity>();
    final stockPickingRecord = stockPickingRecordBox.get(receptionId);
    final moveLineEntity = stockPickingRecord?.moveLineIdsWithoutPackage
        .firstWhereOrNull((e) => e.productId.target?.barcode == barcode);
    final moveEntity = stockPickingRecord?.moveIdsWithoutPackage
        .firstWhereOrNull((e) => e.productId.target?.barcode == barcode);
    if (moveLineEntity != null &&
        moveEntity != null &&
        stockPickingRecord != null) {
      moveLineEntity.quantity = (moveLineEntity.quantity ?? 0) + 1;
      moveEntity.quantity = (moveEntity.quantity ?? 0) + 1;
      stockPickingRecord.synchronized = false;
      moveLineBox.put(moveLineEntity);
      moveBox.put(moveEntity);
      stockPickingRecordBox.put(stockPickingRecord);
    } else {
      onError?.call();
    }
  }
}

@freezed
abstract class ReceptionScanPageModelState with _$ReceptionScanPageModelState {
  const factory ReceptionScanPageModelState({
    StockPickingRecordEntity? reception,
    @Default(false) bool loading,
  }) = _ReceptionScanPageModelState;
}