using System.Net.Http.Json;
using timetracker.Shared;

namespace timetracker.Client.Services;

public class ClientTimetrackerService : ITimetrackerService
{
    private readonly HttpClient _http;

    public ClientTimetrackerService(HttpClient http)
    {
        _http = http;
    }

    public async Task<List<WorkDay>> GetWeekAsync(int userId, DateOnly monday)
    {
        return await _http.GetFromJsonAsync<List<WorkDay>>($"api/tracker/week?userId={userId}&monday={monday:yyyy-MM-dd}") ?? [];
    }

    public async Task UpsertWorkDayAsync(WorkDay workDay)
    {
        await _http.PostAsJsonAsync("api/tracker/workday", workDay);
    }

    public async Task<AppSettings> GetSettingsAsync(int userId)
    {
        return await _http.GetFromJsonAsync<AppSettings>($"api/tracker/settings/{userId}") ?? new AppSettings { UserId = userId };
    }

    public async Task SaveSettingsAsync(AppSettings settings)
    {
        await _http.PostAsJsonAsync("api/tracker/settings", settings);
    }

    public async Task<List<VacationDay>> GetVacationDaysAsync(int userId, int year)
    {
        return await _http.GetFromJsonAsync<List<VacationDay>>($"api/tracker/vacation/{userId}/{year}") ?? [];
    }

    public async Task AddVacationDayAsync(VacationDay vacationDay)
    {
        await _http.PostAsJsonAsync("api/tracker/vacation", vacationDay);
    }

    public async Task RemoveVacationDayAsync(int userId, int id)
    {
        await _http.DeleteAsync($"api/tracker/vacation/{userId}/{id}");
    }

    public async Task<TimeSpan> GetTotalOvertimeAsync(int userId, AppSettings settings)
    {
        var response = await _http.PostAsJsonAsync($"api/tracker/overtime/{userId}", settings);
        if (response.IsSuccessStatusCode)
        {
            var hours = await response.Content.ReadFromJsonAsync<double>();
            return TimeSpan.FromHours(hours);
        }
        return TimeSpan.Zero;
    }

    public async Task<List<WorkDay>> GetMonthAsync(int userId, int year, int month)
    {
        return await _http.GetFromJsonAsync<List<WorkDay>>($"api/tracker/month?userId={userId}&year={year}&month={month}") ?? [];
    }
}