using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.Components.Web;
using Microsoft.AspNetCore.WebUtilities;
using Microsoft.Extensions.Caching.Memory;

using MudBlazor;

namespace MesaFabApproval.Client.Pages;

public partial class Login {
    [Inject] NavigationManager navigationManager { get; set; }
    [Inject] IMemoryCache cache { get; set; }

    public string? _redirectPath { get; set; }
    private bool success;
    private bool processing = false;
    private string[] errors = { };
    private string? username;
    private string? password;

    protected override async Task OnParametersSetAsync() {
        Uri uri = navigationManager.ToAbsoluteUri(navigationManager.Uri);

        if (QueryHelpers.ParseQuery(uri.Query).TryGetValue("redirectPath", out var redirectPath)) {
            _redirectPath = System.Net.WebUtility.UrlDecode(redirectPath);
        }

        if (string.IsNullOrWhiteSpace(_redirectPath)) {
            _redirectPath = cache.Get<string>("redirectUrl");
        }
    }

    private async Task SubmitLogin() {
        processing = true;
        if (string.IsNullOrWhiteSpace(username)) snackbar.Add("Username is required!", Severity.Error);
        else if (string.IsNullOrWhiteSpace(password)) snackbar.Add("Password is required!", Severity.Error);
        else {
            await authStateProvider.LoginAsync(username, password);
            if (!string.IsNullOrWhiteSpace(_redirectPath)) {
                navManager.NavigateTo(_redirectPath);
            } else {
                navManager.NavigateTo("dashboard");
            }
        }
        processing = false;
    }

    private async Task SubmitIfEnter(KeyboardEventArgs e) {
        if (e.Key == "Enter" && success) {
            SubmitLogin();
        }
    }
}