@using Koogle.Application.DTOs
@using Koogle.Application.Interfaces

@inject IPlayerStatisticsService StatisticsService
@inject ISnackbar Snackbar

<MudCard Elevation="2">
    <MudCardHeader>
        <CardHeaderContent>
            <MudText Typo="Typo.h6">Kegelstatistik @DateTime.Now.Year</MudText>
        </CardHeaderContent>
    </MudCardHeader>
    <MudCardContent>
        @if (_isLoading)
        {
            <MudProgressCircular Indeterminate="true" Size="Size.Small" />
        }
        else if (_stats != null)
        {
            @if (_stats.TotalThrowsThisYear == 0)
            {
                <MudText Typo="Typo.body2" Color="Color.Secondary">
                    Noch keine Statistiken vorhanden. Spiele ein paar Runden!
                </MudText>
            }
            else
            {
                <MudGrid Spacing="2">
                    <MudItem xs="6" sm="3">
                        <div class="d-flex flex-column align-center">
                            <MudIcon Icon="@Icons.Material.Filled.SportsScore" Size="Size.Medium" Color="Color.Primary" />
                            <MudText Typo="Typo.h5" Class="mt-1">@_stats.TotalGamesThisYear</MudText>
                            <MudText Typo="Typo.caption" Color="Color.Secondary">Spiele</MudText>
                        </div>
                    </MudItem>
                    <MudItem xs="6" sm="3">
                        <div class="d-flex flex-column align-center">
                            <MudIcon Icon="@Icons.Material.Filled.Gesture" Size="Size.Medium" Color="Color.Info" />
                            <MudText Typo="Typo.h5" Class="mt-1">@_stats.TotalThrowsThisYear</MudText>
                            <MudText Typo="Typo.caption" Color="Color.Secondary">Wuerfe</MudText>
                        </div>
                    </MudItem>
                    <MudItem xs="6" sm="3">
                        <div class="d-flex flex-column align-center">
                            <MudIcon Icon="@Icons.Material.Filled.Adjust" Size="Size.Medium" Color="Color.Success" />
                            <MudText Typo="Typo.h5" Class="mt-1">@_stats.TotalPinsThisYear</MudText>
                            <MudText Typo="Typo.caption" Color="Color.Secondary">Kegel</MudText>
                        </div>
                    </MudItem>
                    <MudItem xs="6" sm="3">
                        <div class="d-flex flex-column align-center">
                            <MudIcon Icon="@Icons.Material.Filled.TrendingUp" Size="Size.Medium" Color="Color.Warning" />
                            <MudText Typo="Typo.h5" Class="mt-1">@_stats.ClubAverageThisYear.ToString("F2")</MudText>
                            <MudText Typo="Typo.caption" Color="Color.Secondary">Durchschnitt</MudText>
                        </div>
                    </MudItem>
                </MudGrid>

                @if (_stats.TopPerformers.Count > 0)
                {
                    <MudDivider Class="my-4" />
                    <MudText Typo="Typo.subtitle2" Class="mb-2">Top Kegler</MudText>
                    <MudList T="TopPerformerDto" Dense="true">
                        @{ var rank = 1; }
                        @foreach (var performer in _stats.TopPerformers.Take(5))
                        {
                            <MudListItem T="TopPerformerDto">
                                <div class="d-flex justify-space-between align-center" style="width: 100%">
                                    <div class="d-flex align-center">
                                        <MudAvatar Size="Size.Small" Color="@GetRankColor(rank)" Class="mr-2">@rank</MudAvatar>
                                        <div>
                                            <MudText Typo="Typo.body2">@performer.PersonName</MudText>
                                            <MudText Typo="Typo.caption" Color="Color.Secondary">
                                                @performer.TotalThrows Wuerfe, @performer.TotalPins Kegel
                                            </MudText>
                                        </div>
                                    </div>
                                    <MudChip T="string" Size="Size.Small" Color="Color.Success">
                                        @performer.Average.ToString("F2")
                                    </MudChip>
                                </div>
                            </MudListItem>
                            rank++;
                        }
                    </MudList>
                }

                @if (_stats.MonthlyTrend.Count > 0)
                {
                    <MudDivider Class="my-4" />
                    <MudText Typo="Typo.subtitle2" Class="mb-2">Monatstrend</MudText>
                    <MudSimpleTable Dense="true" Hover="true">
                        <thead>
                            <tr>
                                <th>Monat</th>
                                <th style="text-align: right">Spiele</th>
                                <th style="text-align: right">Wuerfe</th>
                                <th style="text-align: right">Durchschnitt</th>
                            </tr>
                        </thead>
                        <tbody>
                            @foreach (var month in _stats.MonthlyTrend.TakeLast(6))
                            {
                                <tr>
                                    <td>@GetMonthName(month.Month)</td>
                                    <td style="text-align: right">@month.Games</td>
                                    <td style="text-align: right">@month.Throws</td>
                                    <td style="text-align: right">
                                        <MudChip T="string" Size="Size.Small"
                                                 Color="@GetAverageColor(month.Average)"
                                                 Variant="Variant.Text">
                                            @month.Average.ToString("F2")
                                        </MudChip>
                                    </td>
                                </tr>
                            }
                        </tbody>
                    </MudSimpleTable>
                }
            }
        }
    </MudCardContent>
</MudCard>

@code {
    private StatisticsWidgetDto? _stats;
    private bool _isLoading = true;

    protected override async Task OnInitializedAsync()
    {
        try
        {
            _stats = await StatisticsService.GetDashboardStatisticsAsync();
        }
        catch (Exception ex)
        {
            Snackbar.Add($"Fehler beim Laden der Statistiken: {ex.Message}", Severity.Error);
        }
        finally
        {
            _isLoading = false;
        }
    }

    private static Color GetRankColor(int rank) => rank switch
    {
        1 => Color.Warning, // Gold
        2 => Color.Default, // Silver
        3 => Color.Tertiary, // Bronze
        _ => Color.Default
    };

    private static Color GetAverageColor(double average) => average switch
    {
        >= 7 => Color.Success,
        >= 5 => Color.Warning,
        _ => Color.Error
    };

    private static string GetMonthName(int month) => month switch
    {
        1 => "Jan",
        2 => "Feb",
        3 => "Mär",
        4 => "Apr",
        5 => "Mai",
        6 => "Jun",
        7 => "Jul",
        8 => "Aug",
        9 => "Sep",
        10 => "Okt",
        11 => "Nov",
        12 => "Dez",
        _ => month.ToString()
    };
}