using Jugenddienst_Stunden.Types;
using Newtonsoft.Json;
using System.Collections.ObjectModel;

namespace Jugenddienst_Stunden.Models;

internal class HoursBase {

    public DateTime Date { get; set; }

    public static string apiKey = Preferences.Default.Get("apiKey", "");
    public static int EmployeeId = Preferences.Default.Get("employeeId", 0);
    public static string name = Preferences.Default.Get("name", "");
    public static string surname = Preferences.Default.Get("surname", "");
    public static string apiUrl = Preferences.Default.Get("apiUrl", "");

    internal static TokenData tokendata = new TokenData(apiKey);


    /// <summary>
    /// Einstellungen
    /// </summary>
    internal async Task<Settings> LoadSettings() {

        string data = await BaseFunc.GetApiDataWithAuthAsync(tokendata.Url + "?settings", tokendata.ApiKey);

        Settings _settings = JsonConvert.DeserializeObject<Settings>(data) ?? throw new Exception("Fehler beim Deserialisieren der Daten");

        return _settings;
    }

    /// <summary>
    /// Daten laden
    /// </summary>
    internal async Task<Hours> LoadData() {

        Hours hours = new Hours();

        var tokendata = new TokenData(apiKey);

        string data = await BaseFunc.GetApiDataWithAuthAsync(tokendata.Url + "?hours", tokendata.ApiKey);

        hours = JsonConvert.DeserializeObject<Hours>(data) ?? throw new Exception("Fehler beim Deserialisieren der Daten");

        return hours;
    }

    /// <summary>
    /// Basisdaten: Mitarbeiterdaten, Projekte, Gemeinden, Freistellungen.
    /// </summary>
    internal static async Task<Hours> LoadBasicData() {

        Hours hours = new Hours();

        string data = await BaseFunc.GetApiDataWithAuthAsync(tokendata.Url + "?basic", tokendata.ApiKey);

        hours = JsonConvert.DeserializeObject<Hours>(data) ?? throw new Exception("Fehler beim Deserialisieren der Daten");

        return hours;
    }

    public static async Task<Operator> LoadOperator(string apiKey) {

        Operator OperatorVar = new Operator();

        string data = await BaseFunc.GetApiDataWithAuthAsync(tokendata.Url, tokendata.ApiKey);

        OperatorVar = JsonConvert.DeserializeObject<Operator>(data);
        Preferences.Default.Set("name", OperatorVar.name);
        Preferences.Default.Set("surname", OperatorVar.surname);
        Preferences.Default.Set("apiUrl", tokendata.Url);

        return OperatorVar;
    }


    /// <summary>
    /// Zeiten eines Tages holen
    /// </summary>
    internal async Task<List<DayTime>> LoadDay(DateTime date) {

        string data = await BaseFunc.GetApiDataWithAuthAsync(tokendata.Url + "?date=" + date.ToString("yyyy-MM-dd"), tokendata.ApiKey);

        //List<DayTime> daytimes = System.Text.Json.JsonSerializer.Deserialize<List<DayTime>>(data) ?? throw new Exception("Fehler beim Deserialisieren der Daten");
        List<DayTime> daytimes = JsonConvert.DeserializeObject<List<DayTime>>(data);
        //List<DayTime> daytimes = JsonConvert.DeserializeObject<List<DayTime>>(data) ?? throw new Exception("Fehler beim Deserialisieren der Daten");

        return daytimes;
    }

    /// <summary>
    /// Einzelnen Stundeneintrag holen
    /// </summary>
    internal static async Task<DayTime> LoadEntry(int id) {

        string data = await BaseFunc.GetApiDataWithAuthAsync(tokendata.Url + "?id=" + id, tokendata.ApiKey);

        //DayTime hours = Hours.daytime.Find(x => x.id == id);
        DayTime hours = JsonConvert.DeserializeObject<DayTime>(data) ?? throw new Exception("Fehler beim Deserialisieren der Daten");
        hours.TimeSpanVon = hours.Begin.ToTimeSpan();
        hours.TimeSpanBis = hours.End.ToTimeSpan();

        return hours;
    }

    /// <summary>
    /// Eintrag speichern
    /// </summary>
    internal static async Task<DayTime> SaveEntry(DayTime stunde) { //, string begin, string end, string freistellung, string bemerkung) {

        bool isNew = false;
        if (stunde.Id == null)
            isNew = true;
        await BaseFunc.SaveItemAsync(tokendata.Url, tokendata.ApiKey, stunde, isNew);

        return stunde;
    }

    /// <summary>
    /// Eintrag löschen
    /// </summary>
    internal static async Task DeleteEntry(DayTime stunde) {
        await BaseFunc.DeleteItemAsync(tokendata.Url + "/entry/" + stunde.Id, tokendata.ApiKey);
    }
}