@page "/shared/{token}"
@attribute [Authorize]
@using PlaylistShared.Shared.DTO
@using PlaylistShared.Shared.Enums
@using PlaylistShared.Pwa.Services
@using PlaylistShared.Shared.Models
@inject HttpClient Http
@inject ISnackbar Snackbar
@inject NavigationManager Navigation
@inject AuthenticationStateProvider AuthProvider

<MudContainer MaxWidth="MaxWidth.Large" Class="mt-8">
    @if (_loading)
    {
        <MudProgressCircular Indeterminate />
    }
    else if (_playlist == null)
    {
        <MudAlert Severity="Severity.Error">Плейлист не найден или у вас нет доступа</MudAlert>
    }
    else
    {
        <MudCard>
            <MudCardHeader>
                <CardHeaderContent>
                    <MudText Typo="Typo.h5">@_playlist.Title</MudText>
                    <MudText Typo="Typo.body2" Color="Color.Secondary">Владелец: @_playlist.Creator?.UserName</MudText>
                </CardHeaderContent>
            </MudCardHeader>
            <MudCardContent>
                @if (_isCreator)
                {
                    <MudPaper Class="pa-4 mb-4" Elevation="0" Style="background-color: rgba(0,0,0,0.05); border-radius: 8px;">
                        <MudText Typo="Typo.h6" GutterBottom>Настройки доступа</MudText>
                        <MudGrid>
                            <MudItem xs="12" sm="4">
                                <MudSelect T="ViewPermission" Label="Просмотр" @bind-Value="_editPermissions.ViewPermission" Variant="Variant.Outlined" FullWidth="true">
                                    <MudSelectItem Value="ViewPermission.Everyone">Все</MudSelectItem>
                                    <MudSelectItem Value="ViewPermission.AuthorizedOnly">Только авторизованные</MudSelectItem>
                                </MudSelect>
                            </MudItem>
                            <MudItem xs="12" sm="4">
                                <MudSelect T="EditPermission" Label="Добавление треков" @bind-Value="_editPermissions.AddPermission" Variant="Variant.Outlined" FullWidth="true">
                                    <MudSelectItem Value="EditPermission.Everyone">Все</MudSelectItem>
                                    <MudSelectItem Value="EditPermission.AuthorizedOnly">Только авторизованные</MudSelectItem>
                                    <MudSelectItem Value="EditPermission.AddedByUserOnly">Только добавивший</MudSelectItem>
                                </MudSelect>
                            </MudItem>
                            <MudItem xs="12" sm="4">
                                <MudSelect T="EditPermission" Label="Удаление треков" @bind-Value="_editPermissions.RemovePermission" Variant="Variant.Outlined" FullWidth="true">
                                    <MudSelectItem Value="EditPermission.Everyone">Все</MudSelectItem>
                                    <MudSelectItem Value="EditPermission.AuthorizedOnly">Только авторизованные</MudSelectItem>
                                    <MudSelectItem Value="EditPermission.AddedByUserOnly">Только добавивший</MudSelectItem>
                                </MudSelect>
                            </MudItem>
                        </MudGrid>
                        <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="SavePermissions" Disabled="_savingPermissions">
                            @if (_savingPermissions)
                            {
                                <MudProgressCircular Size="Size.Small" Indeterminate />
                            }
                            else
                            {

                                <span>Сохранить</span>
                            }
                        </MudButton>
                    </MudPaper>
                }

                <!-- Здесь будет отображение треков и управление -->
                <MudText>Функционал управления треками в разработке</MudText>
            </MudCardContent>
        </MudCard>
    }
</MudContainer>

@code {
    [Parameter] public string Token { get; set; }

    private SharedPlaylistDto? _playlist;
    private bool _loading = true;
    private bool _isCreator;
    private UpdatePermissionsDto _editPermissions = new();
    private bool _savingPermissions;
    private string? _currentUserId;

    protected override async Task OnInitializedAsync()
    {
        var authState = await AuthProvider.GetAuthenticationStateAsync();
        _currentUserId = authState.User.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier)?.Value;
        await LoadPlaylist();
    }

    private async Task LoadPlaylist()
    {
        try
        {
            var response = await Http.GetFromJsonAsync<ApiResponse<SharedPlaylistDto>>($"/api/sharedplaylist/{Token}");
            if (response?.Success == true)
            {
                _playlist = response.Data;
                _isCreator = _playlist.CreatorUserId.ToString() == _currentUserId;
                if (_isCreator)
                {
                    _editPermissions = new UpdatePermissionsDto
                    {
                        ViewPermission = _playlist.ViewPermission,
                        AddPermission = _playlist.AddPermission,
                        RemovePermission = _playlist.RemovePermission
                    };
                }
            }
            else
            {
                Snackbar.Add(response?.Error?.Message ?? "Не удалось загрузить плейлист", Severity.Error);
            }
        }
        catch (Exception ex)
        {
            Snackbar.Add($"Ошибка: {ex.Message}", Severity.Error);
        }
        finally
        {
            _loading = false;
            StateHasChanged();
        }
    }

    private async Task SavePermissions()
    {
        _savingPermissions = true;
        try
        {
            var response = await Http.PutAsJsonAsync($"/api/sharedplaylist/{Token}/permissions", _editPermissions);
            if (response.IsSuccessStatusCode)
            {
                var result = await response.Content.ReadFromJsonAsync<ApiResponse<SharedPlaylistDto>>();
                if (result?.Success == true)
                {
                    _playlist = result.Data;
                    Snackbar.Add("Права доступа обновлены", Severity.Success);
                }
                else
                {
                    Snackbar.Add(result?.Error?.Message ?? "Ошибка обновления", Severity.Error);
                }
            }
            else
            {
                Snackbar.Add("Ошибка сохранения прав", Severity.Error);
            }
        }
        catch (Exception ex)
        {
            Snackbar.Add($"Ошибка: {ex.Message}", Severity.Error);
        }
        finally
        {
            _savingPermissions = false;
        }
    }
}