using SeedDb.Services;
using ReactiveUI;
using System.Reactive;
using SeedDb.Models;
using System;

namespace SeedDb.ViewModels;

public class TermsOfServiceViewModel : ViewModelBase
{
    private JsonEngine _js = new();
    private Helpers _hp = new();

    private string _title = "";
    private string _info = "";

    public TermsOfServiceViewModel(JsonEngine js, Helpers hp)
    {
        _js = js;
        _hp = hp;

        Title = "Terms Of Service";
        Info = Hp.GetTosText();

        IObservable<bool> okEnabled = this.WhenAnyValue(
            x => x.Info,
            x => !string.IsNullOrEmpty(x));

        Ok = ReactiveCommand.Create(ReturnAgreedTos, okEnabled);
        Cancel = ReactiveCommand.Create(ReturnDeclinedTos, okEnabled);
    }

    public SetupModel ReturnAgreedTos()
    {
        return new SetupModel()
        {
            Setup = false,
            Tos = Js.UpdateTos()
        };
    }

    public SetupModel ReturnDeclinedTos()
    {
        return new SetupModel()
        {
            Setup = false,
            Tos = false
        };
    }

    public ReactiveCommand<Unit, SetupModel> Ok { get; }
    public ReactiveCommand<Unit, SetupModel> Cancel { get; }

    public JsonEngine Js
    {
        get => _js;
        set => this.RaiseAndSetIfChanged(ref _js, value);
    }

    public Helpers Hp
    {
        get => _hp;
        set => this.RaiseAndSetIfChanged(ref _hp, value);
    }

    public string Title
    {
        get => _title;
        set => this.RaiseAndSetIfChanged(ref _title, value);
    }

    public string Info
    {
        get => _info;
        set => this.RaiseAndSetIfChanged(ref _info, value);
    }
}