using Microsoft.Extensions.Logging;
using ProjectFamilyBudget.Repositories;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ProjectFamilyBudget.Reports;

public class TableReport
{
    private readonly IPeopleIncome _peopleIncomeRepository;
    private readonly IPeopleExpense _peopleExpenseRepository;
    private readonly ILogger<TableReport> _logger;
    internal static readonly string[] item = ["Название операции", "Дата", "Заработано", "Потрачено"];
    public TableReport(IPeopleIncome peopleIncomeRepository, IPeopleExpense peopleExpenseRepository, ILogger<TableReport> logger)
    {
        _peopleIncomeRepository = peopleIncomeRepository ?? throw new ArgumentNullException(nameof(peopleIncomeRepository));
        _peopleExpenseRepository = peopleExpenseRepository ?? throw new ArgumentNullException(nameof(peopleExpenseRepository));
        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
    }
    public bool CreateTable(string filePath, int incomeId, int expenseId, DateTime startDate, DateTime endDate)
    {
        try
        {
            new ExcelBuilder(filePath)
                .AddHeader("Сводка по движению денег", 0, 3)
                .AddParagraph("за период", 0)
                .AddTable([15, 10, 15, 15], GetData(incomeId, expenseId, startDate, endDate))
                .Build();
            return true;
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Ошибка при формировании документа");
            return false;
        }
    }
    private List<string[]> GetData(int incomeId,int expenseId, DateTime startDate, DateTime endDate)
    {
        var data = _peopleIncomeRepository
            .ReadPeopleIncome()
            .Where(x => x.DataReciept >= startDate && x.DataReciept <= endDate && x.IncomePeopleIncomes.Any(y => y.IncomeId == incomeId))
            .Select(x => new { x.PeopleId, Date = x.DataReciept, CountIn = x.IncomePeopleIncomes.FirstOrDefault(y => y.IncomeId == incomeId)?.Sum, CountOut = (int?)null })
            .Union(
                _peopleExpenseRepository
                .ReadPeopleExpense()
                .Where(x => x.DataReciept >= startDate && x.DataReciept <= endDate && x.ExpensePeopleExpenses.Any(y => y.ExpenseId == expenseId))
                .Select(x => new { x.PeopleId, Date = x.DataReciept, CountIn = (int?)null, CountOut = x.ExpensePeopleExpenses.FirstOrDefault(y => y.ExpenseId == expenseId)?.Sum }))
            .OrderBy(x => x.Date);

        return
            new List<string[]>() { item }
            .Union(data.Select(x => new string[] {x.PeopleId.ToString(), x.Date.ToString(), x.CountIn?.ToString() ?? string.Empty,x.CountOut?.ToString() ?? string.Empty }))
            .Union(
                [[ "Всего", "", data.Sum(x => x.CountIn ?? 0).ToString(), data.Sum(x => x.CountOut ?? 0).ToString() ]]
            )
            .ToList();
    }
}