using Jugenddienst_Stunden.Interfaces;
using Jugenddienst_Stunden.Types;
using Jugenddienst_Stunden.Validators;

namespace Jugenddienst_Stunden.Services;

internal class HoursService : IHoursService {
	private readonly IHoursRepository _repo;
	private readonly IHoursValidator _validator;

	public HoursService(IHoursRepository repo, IHoursValidator validator) {
		_repo = repo;
		_validator = validator;
	}

 public async Task<(Hours hours, Settings settings)> GetMonthSummaryAsync(DateTime monthDate) {
        string q = $"hours=&year={monthDate:yyyy}&month={monthDate:MM}";
        var baseRes = await _repo.LoadBase(q);

        // Fallbacks, da einige Endpoints 'settings' nicht mitsenden bzw. 'hour' auslassen können
        var settings = baseRes.settings ?? await _repo.LoadSettings();
        var hours = baseRes.hour ?? new Hours {
            daytime = new List<DayTime>(),
            Nominal_day_api = new List<NominalDay>(),
            Nominal_week_api = new List<NominalWeek>(),
            zeit_total_daily_api = new List<TimeDay>(),
            Projekte = new System.Collections.ObjectModel.Collection<Projekt>(),
            Gemeinden = new System.Collections.ObjectModel.Collection<Gemeinde>(),
            Freistellungen = new System.Collections.ObjectModel.Collection<Freistellung>()
        };

        return (hours, settings);
    }

	public async Task<(List<DayTime> dayTimes, Settings settings)> GetDayWithSettingsAsync(DateTime date) {
		string q = $"date={date:yyyy-MM-dd}";
		var baseRes = await _repo.LoadBase(q);
		return (baseRes.daytimes ?? new List<DayTime>(), baseRes.settings);
	}

	public async Task<List<DayTime>> GetDayRangeAsync(DateTime from, DateTime to) {
		string q = $"date={from:yyyy-MM-dd}&tilldate={to:yyyy-MM-dd}";
		var baseRes = await _repo.LoadBase(q);
		return baseRes.daytimes ?? new List<DayTime>();
	}

	public async Task<Settings> GetSettingsAsync() => await _repo.LoadSettings();

	public async Task<DayTime> GetEntryAsync(int id) => await _repo.LoadEntry(id);

	public async Task<DayTime> SaveEntryAsync(DayTime stunde) {
		var settings = await _repo.LoadSettings();
		_validator.Validate(stunde, settings);
		return await _repo.SaveEntry(stunde);
	}

	public async Task DeleteEntryAsync(DayTime stunde) => await _repo.DeleteEntry(stunde);
}