@using Core.Calculation
@using WebApp.Models
@using Core.Utility

<MudStack>
    <MudText Typo="Typo.h6">@TimeSlotName</MudText>
    @foreach (var team in Teams.OrderByEventFormatFirst().ThenBy(e => e.ToString()))
    {
        var scheduledTeamIds = ScheduledTeams.Select(t => t.Id).ToHashSet();
        var removed = !scheduledTeamIds.Contains(team.Id);

        <MudStack Row="true" Spacing="2" AlignItems="AlignItems.Center" Class="d-flex align-center">
            <MudStack Row="true" Spacing="1" AlignItems="AlignItems.Center">
                <MudIcon Icon="@Icons.Material.Filled.Clear"
                         Size="Size.Small"
                         Class="@(removed ? "" : "d-none")"
                         OnClick="@(() => OnToggleTeam.InvokeAsync(team))"
                         Style="cursor: pointer;">
                </MudIcon>
                @{
                    var teamMembers = TeamStudentNameFormatter.FormatStudentList(
                        team,
                        new TeamStudentNameFormatter.FormatOptions
                        {
                            Ordering = TeamStudentNameFormatter.OrderingStyle.None
                        });
                }
                <MudTooltip Text="@teamMembers">
                    <div @onclick="@(() => OnToggleTeam.InvokeAsync(team))" style="cursor: pointer; display: inline-block;">
                        <MudChip T="string" 
                                 Size="Size.Small" 
                                 Color="Color.Default"
                                 Variant="@AppIcons.TeamChipVariant()">
                            @team
                        </MudChip>
                    </div>
                </MudTooltip>
            </MudStack>
            <MudStack Row="true" Spacing="1" Wrap="Wrap.Wrap" AlignItems="AlignItems.Center">
                @{
                    var nonExcludedStudentCount = GetNonExcludedStudentCount(team);
                }
                @foreach (var student in team.Students)
                {
                    var overlap = StudentHasOverlaps(student);
                    var chipColor = overlap ? Color.Warning : Color.Default;
                    var isExcluded = IsStudentExcluded(team.Id, TimeSlotIndex, student.Id);
                    var formattedName = TeamStudentNameFormatter.FormatStudentName(
                        student,
                        team,
                        new TeamStudentNameFormatter.FormatOptions
                        {
                            MarkOverlaps = true,
                            HasOverlaps = StudentHasOverlaps,
                            MarkAbsent = true,
                            AbsentStudents = AbsentStudents.ToList()
                        });

                    @if (nonExcludedStudentCount > 1)
                    {
                        <InteractiveChip Size="Size.Small" 
                                          Color="@chipColor" 
                                          Variant="@AppIcons.StudentChipVariant()"
                                          Style="@(isExcluded ? "opacity: 0.5;" : "")">
                            <ChildContent>
                                <span>@formattedName</span>
                            </ChildContent>
                            <ControlContent>
                                <MudIconButton Icon="@Icons.Material.Filled.Close"
                                              Size="Size.Small"
                                              Color="Color.Error"
                                              Variant="Variant.Text"
                                              OnClick="@(() => OnToggleStudentExclusion.InvokeAsync((team.Id, TimeSlotIndex, student.Id)))"
                                              Style="padding: 0; min-width: 16px; width: 16px; height: 16px; margin-left: 4px;" />
                            </ControlContent>
                        </InteractiveChip>
                    }
                    else
                    {
                        <MudChip T="string" 
                                 Size="Size.Small" 
                                 Color="@chipColor" 
                                 Variant="@AppIcons.StudentChipVariant()"
                                 Style="@(isExcluded ? "opacity: 0.5;" : "")">
                            <span>@formattedName</span>
                        </MudChip>
                    }
                }
            </MudStack>
        </MudStack>
    }
</MudStack>

@code {
    [Parameter]
    public string TimeSlotName { get; set; } = string.Empty;

    [Parameter]
    public int TimeSlotIndex { get; set; }

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

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

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

    [Parameter]
    public Func<Student, bool> StudentHasOverlaps { get; set; } = null!;

    [Parameter]
    public Dictionary<(int teamId, int timeSlotIndex, int studentId), bool> ExcludedStudents { get; set; } = new();

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

    [Parameter]
    public EventCallback<(int teamId, int timeSlotIndex, int studentId)> OnToggleStudentExclusion { get; set; }

    private bool IsStudentExcluded(int teamId, int timeSlotIndex, int studentId)
    {
        var key = (teamId, timeSlotIndex, studentId);
        return ExcludedStudents.ContainsKey(key) && ExcludedStudents[key];
    }

    private int GetNonExcludedStudentCount(Team team)
    {
        return team.Students.Count(s => !IsStudentExcluded(team.Id, TimeSlotIndex, s.Id));
    }
}