@page "/settings/{id:guid}"
@attribute [Authorize]
@using System.Security.Claims
@using Microsoft.AspNetCore.Components.Authorization
@using Microsoft.EntityFrameworkCore
@using PlaylistShared.Data.Entities
@inject AuthenticationStateProvider AuthenticationStateProvider
@inject AppDbContext Db
@inject NavigationManager Navigation

<h3>Настройки плейлиста</h3>

@if (playlist == null)
{
    <p>Загрузка...</p>
}
else if (!isOwner)
{
    <p>Только владелец может изменять настройки.</p>
}
else
{
    <EditForm Model="@playlist.Permissions" OnValidSubmit="@SaveSettings">
        <div class="mb-3">
            <label>Кто может просматривать</label>
            <InputSelect @bind-Value="playlist.Permissions.View" class="form-control">
                <option value="@AccessLevel.All">Все</option>
                <option value="@AccessLevel.Authorized">Авторизованные</option>
                <option value="@AccessLevel.None">Никто</option>
            </InputSelect>
        </div>
        <div class="mb-3">
            <label>Кто может добавлять треки</label>
            <InputSelect @bind-Value="playlist.Permissions.Add" class="form-control">
                <option value="@AccessLevel.All">Все</option>
                <option value="@AccessLevel.Authorized">Авторизованные</option>
                <option value="@AccessLevel.None">Никто</option>
            </InputSelect>
        </div>
        <div class="mb-3">
            <label>Кто может удалять треки</label>
            <InputSelect @bind-Value="playlist.Permissions.Delete" class="form-control">
                <option value="@DeleteAccessLevel.All">Все</option>
                <option value="@DeleteAccessLevel.Authorized">Авторизованные</option>
                <option value="@DeleteAccessLevel.AdderOnly">Тот, кто добавил</option>
                <option value="@DeleteAccessLevel.OwnerOnly">Только владелец</option>
            </InputSelect>
        </div>
        <button type="submit" class="btn btn-primary">Сохранить</button>
    </EditForm>
}

@code {
    [Parameter] public Guid id { get; set; }
    private SharedPlaylist? playlist;
    private bool isOwner;
    private string? currentUserId;

    protected override async Task OnInitializedAsync()
    {
        var authState = await AuthenticationStateProvider.GetAuthenticationStateAsync();
        currentUserId = authState.User.FindFirst(ClaimTypes.NameIdentifier)?.Value;

        playlist = await Db.SharedPlaylists
            .Include(p => p.Owner)
            .FirstOrDefaultAsync(p => p.Id == id);
        if (playlist != null)
        {
            isOwner = currentUserId == playlist.OwnerUserId;
        }
    }

    private async Task SaveSettings()
    {
        if (playlist != null)
        {
            Db.SharedPlaylists.Update(playlist);
            await Db.SaveChangesAsync();
            Navigation.NavigateTo("/myplaylists");
        }
    }
}