@page "/my-playlists"
@attribute [Authorize]
@using PlaylistShared.Shared.DTO
@inject HttpClient Http
@inject ISnackbar Snackbar
@inject NavigationManager Navigation

<MudContainer MaxWidth="MaxWidth.Large" Class="mt-8">
    <MudCard>
        <MudCardHeader>
            <CardHeaderContent>
                <MudText Typo="Typo.h5">Мои плейлисты</MudText>
            </CardHeaderContent>
            <CardHeaderActions>
                <!-- Явно указываем T="bool" для MudSwitch -->
                <MudSwitch T="bool" @bind-Checked="_showOnlyShared" Color="Color.Primary" Label="Только расшаренные" />
                <MudIconButton Icon="@Icons.Material.Filled.Refresh" OnClick="LoadPlaylists" />
            </CardHeaderActions>
        </MudCardHeader>
        <MudCardContent>
            @if (_loading)
            {
                <MudProgressCircular Indeterminate />
            }
            else if (_playlists == null || !_playlists.Any())
            {
                <MudText>Плейлисты не найдены. Убедитесь, что вы сохранили корректный токен Яндекс.Музыки.</MudText>
            }
            else
            {
                <MudTable Items="@FilteredPlaylists" Hover="true" Breakpoint="Breakpoint.Sm">
                    <HeaderContent>
                        <MudTh>Название</MudTh>
                        <MudTh>Треков</MudTh>
                        <MudTh>Статус</MudTh>
                        <MudTh></MudTh>
                    </HeaderContent>
                    <RowTemplate>
                        <MudTd><MudText>@context.Title</MudText></MudTd>
                        <MudTd>@context.TrackCount</MudTd>
                        <MudTd>
                            <!-- Явно указываем T="string" для MudChip -->
                            @if (context.IsShared)
                            {
                                <MudChip T="string" Size="Size.Small" Color="Color.Success">Расшарен</MudChip>
                            }
                            else
                            {
                                <MudChip T="string" Size="Size.Small" Color="Color.Default">Не расшарен</MudChip>
                            }
                        </MudTd>
                        <MudTd>
                            @if (!context.IsShared)
                            {
                                <MudButton Variant="Variant.Text" Color="Color.Primary" OnClick="() => SharePlaylist(context)">Поделиться</MudButton>
                            }
                            else
                            {
                                <MudButton Variant="Variant.Text" Color="Color.Secondary" OnClick="() => GoToShared(context)">Управлять</MudButton>
                            }
                        </MudTd>
                    </RowTemplate>
                </MudTable>
            }
        </MudCardContent>
    </MudCard>
</MudContainer>

@code {
    private List<YandexPlaylistInfo> _playlists;
    private bool _loading = true;
    private bool _showOnlyShared = false;

    private List<YandexPlaylistInfo> FilteredPlaylists => _showOnlyShared ? _playlists?.Where(p => p.IsShared).ToList() : _playlists;

    protected override async Task OnInitializedAsync()
    {
        await LoadPlaylists();
    }

    private async Task LoadPlaylists()
    {
        _loading = true;
        try
        {
            var response = await Http.GetFromJsonAsync<ApiResponse<List<YandexPlaylistInfo>>>("/api/playlists");
            if (response?.Success == true)
                _playlists = response.Data;
            else
                Snackbar.Add("Ошибка загрузки плейлистов", Severity.Error);
        }
        catch (Exception ex)
        {
            Snackbar.Add($"Ошибка: {ex.Message}", Severity.Error);
        }
        finally
        {
            _loading = false;
            StateHasChanged();
        }
    }

    private async Task SharePlaylist(YandexPlaylistInfo playlist)
    {
        var request = new SharePlaylistRequest { Kind = playlist.Kind, OwnerUid = playlist.OwnerUid };
        var response = await Http.PostAsJsonAsync("/api/playlists/share", request);
        if (response.IsSuccessStatusCode)
        {
            Snackbar.Add("Плейлист расшарен", Severity.Success);
            await LoadPlaylists();
        }
        else
        {
            Snackbar.Add("Ошибка расшаривания", Severity.Error);
        }
    }
    
    private void GoToShared(YandexPlaylistInfo playlist)
    {
        if (!string.IsNullOrEmpty(playlist.ShareToken))
            Navigation.NavigateTo($"/shared/{playlist.ShareToken}");
        else
            Snackbar.Add("Ошибка: токен расшаривания не найден", Severity.Error);
    }
}