@page "/teams/delete"
@using Microsoft.EntityFrameworkCore
@inject AppDbContext context
@inject NavigationManager NavigationManager

<PageTitle>Delete Team</PageTitle>

<h1>Delete</h1>

<p>Are you sure you want to delete this?</p>
<div>
    <h2>Team</h2>
    <hr />
    @if (team is null)
    {
        <p><em>Loading...</em></p>
    }
    else {
        <dl class="row">
            <dt class="col-sm-2">Team</dt>
            <dd class="col-sm-10">@team.Event.Name</dd>
        </dl>
        <dl class="row">
            <dt class="col-sm-2">Students</dt>
            <dd class="col-sm-10">@string.Join(",", team.Students.Select(e => e.Name))</dd>
        </dl>
        
        <EditForm method="post" Model="team" OnValidSubmit="DeleteTeam" FormName="delete" Enhance>
            <button type="submit" class="btn btn-danger" disabled="@(team is null)">Delete</button> |
            <a href="/teams">Back to List</a>
        </EditForm>
    }
</div>

@code {
    private Team? team;

    [SupplyParameterFromQuery]
    private int Id { get; set; }

    protected override async Task OnInitializedAsync()
    {
        team = await context.Teams
            .Include(e => e.Event)
            .Include(e => e.Students)
            .FirstOrDefaultAsync(m => m.Id == Id);

        if (team is null)
        {
            NavigationManager.NavigateTo("notfound");
        }
    }

    private async Task DeleteTeam()
    {
        context.Teams.Remove(team!);
        await context.SaveChangesAsync();
        NavigationManager.NavigateTo("/teams");
    }
}