namespace MyOffice.Services.Dashboard;

using MyOffice.Services.Dashboard.Domain;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Core.Extensions;
using Data.Repositories.Account;
using Data.Repositories.Currency;

public class DashboardService
{
	private readonly IAccountRepository _accountRepository;
	private readonly ICurrencyRateRepository _currencyRateRepository;

	public DashboardService(
		IAccountRepository accountRepository,
		ICurrencyRateRepository currencyRateRepository
	)
	{
		_accountRepository = accountRepository;
		_currencyRateRepository = currencyRateRepository;
	}

	public DashboardData GetDashboardRestData(Guid userId)
	{
		var lastDaysStart = DateTime.UtcNow.AddDays(-7).StartOfDay();
		var lastDaysEnd = lastDaysStart.AddDays(7).EndOfDay();
		var previousDaysStart = lastDaysStart.AddDays(-7).StartOfDay();
		var previousDaysEnd = previousDaysStart.AddDays(7).EndOfDay();
		var rests = _accountRepository.GetRestAtDate(userId, DateTime.UtcNow);

		var currencyIds = rests
			.Select(x => x.CurrencyId)
			.Distinct()
			.ToList();

		var lastrates = _currencyRateRepository.GetLastRates(currencyIds);
		foreach (var rest in rests)
		{
			//var rate = lastrates.FirstOrDefault(x => x.CurrencyId == rest.CurrencyId)
		}

		return new DashboardData
		{
			IncomeLastWeek = _accountRepository.GetPeriodIncome(userId, lastDaysStart, lastDaysEnd),
			IncomePreviousWeek = _accountRepository.GetPeriodIncome(userId, previousDaysStart, previousDaysEnd),
			OutcomeLastWeek = _accountRepository.GetPeriodOutcome(userId, lastDaysStart, lastDaysEnd),
			OutcomePreviousWeek = _accountRepository.GetPeriodOutcome(userId, previousDaysStart, previousDaysEnd),
			Rests = rests,
		};
	}
}