using Microsoft.Extensions.Logging;
using ProjectGSM.Repositories;

namespace ProjectGSM.Documents;

public class ChartReport
{
    private readonly ICaseRepository _caseRepository;
    private readonly ICaseAdvocateRepository _caseAdvocateRepository;
    private readonly IAdvocateRepository _advocateRepository;
    private readonly ILogger<ChartReport> _logger;

    public ChartReport(ICaseRepository caseRepository,
        IAdvocateRepository advocateRepository,
        ICaseAdvocateRepository caseAdvocateRepository,
        ILogger<ChartReport> logger)
    {
        _caseRepository = caseRepository ??
                          throw new
                              ArgumentNullException(nameof(caseRepository));
        _advocateRepository = advocateRepository ??
                              throw new ArgumentNullException(nameof(advocateRepository));
        _caseAdvocateRepository = caseAdvocateRepository ??
                                  throw new ArgumentNullException(nameof(caseAdvocateRepository));
        _logger = logger ??
                  throw new ArgumentNullException(nameof(logger));
    }

    public bool CreateChart(string filePath, DateTime dateTime)
    {
        try
        {
            new PdfBuilder(filePath)
                .AddHeader("Доля выручки адвоката")
                .AddPieChart($"Всего до: {dateTime.Date}", GetData(dateTime))
                .Build();
            return true;
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Ошибка при формировании документа");
            return false;
        }
    }

    private List<(string, double)> GetData(DateTime dateTime)
    {
        try
        {
            return _caseAdvocateRepository
                .ReadCaseAdvocates(dateTo: dateTime.Date.AddDays(1))
                .Join(_caseRepository.ReadCases(dateTime.Date.AddDays(1)),
                    caseItem => caseItem.CaseId,
                    caseCaseId => caseCaseId.Id,
                    (caseItem, caseCase) => new
                    {
                        caseItem.AdvocateName, caseCase.Payment, caseCase.Verdict, caseCase.Price, caseCase.VictoryPrice
                    })
                .GroupBy(x => x.AdvocateName)
                .Select(g => (g.Key,
                    Sum: g.Sum(x =>
                        x.Payment ? (x.Verdict ? (double)(x.Price + x.VictoryPrice) : (double)x.Price) : 0)))
                .ToList();
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Error occurred while calculating advocate earnings");
            return new List<(string, double)>();
        }
    }
}