KoogleApp/src/Koogle.Web/Components/Pages/Days/AddPersonExpenseDialog.razor

@using Koogle.Application.DTOs
@using Koogle.Domain.Enums

<MudDialog>
    <TitleContent>
        <MudText Typo="Typo.h6">
            @if (IsInverseMode)
            {
                <text>Inverse Strafe hinzufügen</text>
            }
            else
            {
                <text>Strafe hinzufügen</text>
            }
        </MudText>
    </TitleContent>
    <DialogContent>
        <MudForm @ref="_form" @bind-IsValid="_isValid">
            <!-- Expense Selection -->
            <MudSelect T="ExpenseDto"
                       Label="Strafe"
                       @bind-Value="_selectedExpense"
                       Required="true"
                       RequiredError="Bitte wählen Sie eine Strafe"
                       ToStringFunc="@(e => e?.Name ?? string.Empty)"
                       Class="mb-4">
                @foreach (var expense in AvailableExpenses.OrderBy(e => e.Name))
                {
                    <MudSelectItem T="ExpenseDto" Value="expense">
                        <MudStack Row="true" AlignItems="AlignItems.Center" Justify="Justify.SpaceBetween" Style="width: 100%">
                            <MudText>@expense.Name</MudText>
                            <MudStack Row="true" AlignItems="AlignItems.Center" Spacing="1">
                                @if (expense.IsInverse)
                                {
                                    <MudIcon Icon="@Icons.Material.Filled.SwapHoriz" Size="Size.Small" Color="Color.Warning" Title="Inverse" />
                                }
                                @if (expense.IsVariable)
                                {
                                    <MudIcon Icon="@Icons.Material.Filled.Edit" Size="Size.Small" Color="Color.Info" Title="Variable" />
                                }
                                <MudText Color="Color.Secondary">@expense.Price.ToString("C")</MudText>
                            </MudStack>
                        </MudStack>
                    </MudSelectItem>
                }
            </MudSelect>

            @if (_selectedExpense?.IsInverse == true)
            {
                <MudAlert Severity="Severity.Info" Class="mb-4">
                    <MudText Typo="Typo.body2">
                        <strong>Inverse Strafe:</strong> Die Strafe wird allen Teilnehmern <em>außer</em> der ausgewählten Person zugewiesen.
                    </MudText>
                </MudAlert>
            }

            <!-- Person Selection -->
            <MudSelect T="DayParticipantDto"
                       Label="@(_selectedExpense?.IsInverse == true ? "Person ausschließen" : "Person")"
                       @bind-Value="_selectedParticipant"
                       Required="true"
                       RequiredError="Bitte wählen Sie eine Person"
                       ToStringFunc="@(p => p?.PersonName ?? string.Empty)"
                       Class="mb-4">
                @foreach (var participant in Participants.OrderBy(p => p.PersonName))
                {
                    <MudSelectItem T="DayParticipantDto" Value="participant">
                        <MudStack Row="true" AlignItems="AlignItems.Center">
                            <MudAvatar Size="Size.Small" Color="@(participant.PersonStatus == PersonStatus.Member ? Color.Primary : Color.Secondary)">
                                @participant.PersonName[0]
                            </MudAvatar>
                            <MudText>@participant.PersonName</MudText>
                            @if (participant.PersonStatus == PersonStatus.Guest)
                            {
                                <MudChip T="string" Size="Size.Small" Variant="Variant.Outlined" Color="Color.Secondary">Gast</MudChip>
                            }
                        </MudStack>
                    </MudSelectItem>
                }
            </MudSelect>

            <!-- Variable Price -->
            @if (_selectedExpense?.IsVariable == true)
            {
                <MudNumericField T="decimal"
                                 Label="Preis"
                                 @bind-Value="_customPrice"
                                 Min="0"
                                 Format="C"
                                 Adornment="Adornment.Start"
                                 AdornmentIcon="@Icons.Material.Filled.Euro"
                                 Required="true"
                                 RequiredError="Bitte geben Sie einen Preis ein" />
            }
            else if (_selectedExpense is not null)
            {
                <MudText Class="mb-4">
                    <strong>Preis:</strong> @_selectedExpense.Price.ToString("C")
                </MudText>
            }
        </MudForm>
    </DialogContent>
    <DialogActions>
        <MudButton OnClick="Cancel">Abbrechen</MudButton>
        <MudButton Color="Color.Primary"
                   Variant="Variant.Filled"
                   Disabled="@(!_isValid || _selectedExpense is null || _selectedParticipant is null)"
                   OnClick="Submit">
            Hinzufügen
        </MudButton>
    </DialogActions>
</MudDialog>

@code {
    [CascadingParameter]
    private IMudDialogInstance? MudDialog { get; set; }

    [Parameter]
    public IReadOnlyList<ExpenseDto> AvailableExpenses { get; set; } = [];

    [Parameter]
    public IReadOnlyList<DayParticipantDto> Participants { get; set; } = [];

    [Parameter]
    public Guid DayId { get; set; }

    private MudForm? _form;
    private bool _isValid;
    private ExpenseDto? _selectedExpense;
    private DayParticipantDto? _selectedParticipant;
    private decimal _customPrice;

    private bool IsInverseMode => _selectedExpense?.IsInverse == true;

    protected override void OnParametersSet()
    {
        base.OnParametersSet();
        if (_selectedExpense is not null)
        {
            _customPrice = _selectedExpense.Price;
        }
    }

    private void Cancel() => MudDialog?.Cancel();

    private void Submit()
    {
        if (_selectedExpense is null || _selectedParticipant is null) return;

        if (_selectedExpense.IsInverse)
        {
            var dto = new CreateInversePersonExpenseDto
            {
                ExcludedPersonId = _selectedParticipant.PersonId,
                ExpenseId = _selectedExpense.Id,
                DayId = DayId,
                GameId = null
            };
            MudDialog?.Close(DialogResult.Ok(dto));
        }
        else
        {
            var dto = new CreatePersonExpenseDto
            {
                PersonId = _selectedParticipant.PersonId,
                ExpenseId = _selectedExpense.Id,
                DayId = DayId,
                GameId = null,
                Price = _selectedExpense.IsVariable ? _customPrice : null
            };
            MudDialog?.Close(DialogResult.Ok(dto));
        }
    }
}