locator.dart

import 'dart:convert';

import 'package:flutter/services.dart';
import 'package:hive/hive.dart';
import 'package:get_it/get_it.dart';
import 'package:trackeroo/logic/constants/selecable_colors.dart';
import 'package:trackeroo/logic/constants/selectable_icons.dart';

import 'package:trackeroo/logic/models/category.dart';
import 'package:trackeroo/logic/models/app_state.dart';
import 'package:trackeroo/logic/models/transaction.dart';
import 'package:trackeroo/logic/services/app_state_controller.dart';
import 'package:trackeroo/logic/services/categories_controller.dart';
import 'package:trackeroo/logic/services/transactions_controller.dart';

final locator = GetIt.instance;

Future<void> setupLocatorService() async {
  // open AppState box and load all entries from the box into the object and register the object in get_it
  var appStateBox = await Hive.openBox('app_state_box');
  Map<dynamic, dynamic> appStateMap = appStateBox.toMap();
  AppState appState = AppState(
    isFirstOpening: appStateMap['is_first_opening'] ?? true,
    detailsTransactionsFilter: appStateMap['details_transactions_filter'] ?? []
  );
  AppStateController appStateController = AppStateController(appStateBox: appStateBox, appState: appState);
  locator.registerLazySingleton<AppStateController>(() => appStateController);

  // load categories from box and safe to list, make list available in get_it
  Box<Category> categoriesBox = await Hive.openBox<Category>('categories_box');
  if(appState.isFirstOpening) {
    // create default categories
    categoriesBox.putAll({
      'food_and_groceries': Category(id: 'food_and_groceries', title: 'Food & Groceries', iconCodePoint: selectableIcons[13].codePoint, colorValue: selectableColors['Sorta Sage']!.color.value),
      'transport_and_car': Category(id: 'transport_and_car', title: 'Transport & Car', iconCodePoint: selectableIcons[27].codePoint, colorValue: selectableColors['Pale Yellow']!.color.value),
      'healthcare_and_drug_stores': Category(id: 'healthcare_and_drug_stores', title: 'Healthcare & Drug Stores', iconCodePoint: selectableIcons[14].codePoint, colorValue: selectableColors['Terra Cotta']!.color.value),
      'shopping': Category(id: 'shopping', title: 'Shopping', iconCodePoint: selectableIcons[26].codePoint, colorValue: selectableColors['Ocean']!.color.value),
      'bars_and_restaurants': Category(id: 'bars_and_restaurants', title: 'Bars & Restaurants', iconCodePoint: selectableIcons[2].codePoint, colorValue: selectableColors['Coral']!.color.value),
      'family_and_friends': Category(id: 'family_and_friends', title: 'Family & Friends', iconCodePoint: selectableIcons[11].codePoint, colorValue: selectableColors['Caribean']!.color.value),
      'leisure_and_entertainment': Category(id: 'leisure_and_entertainment', title: 'Leisure & Entertainment', iconCodePoint: selectableIcons[18].codePoint, colorValue: selectableColors['Mint']!.color.value),
      'media_and_electronics': Category(id: 'media_and_electronics', title: 'Media & Electronics', iconCodePoint: selectableIcons[21].codePoint, colorValue: selectableColors['Dark Olive']!.color.value),
      'education': Category(id: 'education', title: 'Education', iconCodePoint: selectableIcons[6].codePoint, colorValue: selectableColors['Eucalyptus']!.color.value),
      'household_and_utilities': Category(id: 'household_and_utilities', title: 'Household & Utilities', iconCodePoint: selectableIcons[16].codePoint, colorValue: selectableColors['Salmon']!.color.value),
      'travel_and_holidays': Category(id: 'travel_and_holidays', title: 'Travel & Holidays', iconCodePoint: selectableIcons[34].codePoint, colorValue: selectableColors['Sorta Sage']!.color.value),
      'atm': Category(id: 'atm', title: 'ATM', iconCodePoint: selectableIcons[1].codePoint, colorValue: selectableColors['Warm Stone']!.color.value)
    });
  }
  Map<dynamic, Category> categoriesMap = categoriesBox.toMap();
  CategoriesController categoriesController = CategoriesController(
    catBox: categoriesBox,
    categories: categoriesMap
  );
  locator.registerLazySingleton<CategoriesController>(() => categoriesController);

  Box<Transaction> transactionsBox = await Hive.openBox<Transaction>('transactions_box');

  // TODO: remove for prod, only here for dev/test purposes
  await transactionsBox.clear();
  List<Transaction> transactionsFromJson = [];
  final String response = await rootBundle.loadString('assets/data/transaction_data.json');
  final jsonList = await json.decode(response);
  for(var json in jsonList) {
    transactionsFromJson.add(Transaction.fromJson(json));
  }
  transactionsBox.addAll(transactionsFromJson);

  double balance = 0;
  double income = 0;
  double expenses = 0;
  for(Transaction tr in transactionsBox.values.toList()) {