@using Core.Calculation
@using Core.Utility

@if (UnscheduledStudents.Any())
{
    <MudText Typo="Typo.body1" HtmlTag="strong">Unscheduled</MudText>
    <MudStack>
        @foreach (var student in UnscheduledStudents)
        {
            <MudItem>
                @{
                    var formattedName = StudentNameFormatter.FormatStudentName(
                        student,
                        new StudentNameFormatter.FormatOptions
                        {
                            IsAbsent = AbsentStudents.Contains(student)
                        });
                }
                <MudStack Row="true" Spacing="2" AlignItems="AlignItems.Center">
                    <MudStack Row="true" Spacing="1" AlignItems="AlignItems.Center">
                        <MudChip T="string" Size="Size.Small" Variant="Variant.Outlined" Class="font-style-italic">
                            @formattedName
                        </MudChip>
                    </MudStack>
                    <MudStack Row="true" Spacing="1" Wrap="Wrap.Wrap" AlignItems="AlignItems.Center">
                        @foreach (var unassignedTeam in UnassignedTeams(student))
                        {
                            var isPossibleAddition = PossibleAdditions.Contains(unassignedTeam, new TeamIdComparer());
                            var scheduledTeamIds = ScheduledTeams.Select(t => t.Id).ToHashSet();
                            var isScheduled = scheduledTeamIds.Contains(unassignedTeam.Id);
                            var chipColor = isPossibleAddition ? Color.Success : Color.Default;
                            var teamMembers = TeamStudentNameFormatter.FormatStudentList(
                                unassignedTeam,
                                new TeamStudentNameFormatter.FormatOptions
                                {
                                    Ordering = TeamStudentNameFormatter.OrderingStyle.None
                                });

                            <MudTooltip Text="@teamMembers">
                                <div @onclick="@(() => OnToggleTeam.InvokeAsync(unassignedTeam))" style="cursor: pointer; display: inline-block;">
                                    <MudChip T="string"
                                             Size="Size.Small"
                                             Color="@chipColor">
                                        @if (isScheduled)
                                        {
                                            <MudIcon Icon="@Icons.Material.Filled.Check" Size="Size.Small" Style="margin-right: 4px;" />
                                        }
                                        @unassignedTeam
                                    </MudChip>
                                </div>
                            </MudTooltip>
                        }
                    </MudStack>
                </MudStack>
            </MudItem>
        }
    </MudStack>
}

@code {
    [Parameter]
    public IEnumerable<Student> UnscheduledStudents { get; set; } = [];

    [Parameter]
    public IEnumerable<Student> AbsentStudents { get; set; } = [];

    [Parameter]
    public IEnumerable<Team> ScheduledTeams { get; set; } = [];

    [Parameter]
    public IEnumerable<Team> PossibleAdditions { get; set; } = [];

    [Parameter]
    public Func<Student, IEnumerable<Team>> UnassignedTeams { get; set; } = null!;

    [Parameter]
    public EventCallback<Team> OnToggleTeam { get; set; }
}