@extends('layouts.app')

@section('content')
<div class="container-xxl flex-grow-1 container-p-y">
  <div class="card">
    <div class="card-header d-flex justify-content-between align-items-center">
      <div>
        <h5 class="mb-0">Assignment Submissions</h5>
        <small class="text-muted">Teacher: only your assignments • Student: only your submissions</small>
      </div>

      @if(auth()->user()->hasRole('student') || auth()->user()->hasRole('master-admin'))
        <a href="{{ route('assignment-submissions.create') }}" class="btn btn-primary btn-sm">New Submission</a>
      @endif
    </div>
    <hr class="mb-0"/>

    <div class="card-body">

      @if(session('success')) <div class="alert alert-success">{{ session('success') }}</div> @endif
      @if(session('error')) <div class="alert alert-danger">{{ session('error') }}</div> @endif

      <div class="table-responsive">
        <table @if($submissions->count() > 0) id="bookings-table" @endif
               class="table table-bordered align-middle text-center">

          <thead class="table-light">
            <tr>
              <th>ID</th>
              <th>Assignment</th>
              <th>Teacher</th>
              <th>Student</th>
              <th>Submission File</th>
              <th>Submitted At</th>
              <th>Grade</th>
              <th width="200">Actions</th>
            </tr>
          </thead>

          <tbody>
            @forelse($submissions as $s)
              @php
                $teacherName = $s->assignment?->course?->teacher?->name ?? '-';
                $fileUrl = $s->file_path ? asset($s->file_path) : null;
              @endphp

              <tr>
                <td>{{ $s->id }}</td>

                <td>
                  <div class="fw-semibold">{{ $s->assignment->title ?? '-' }}</div>
                </td>

                <td>{{ $teacherName }}</td>

                <td>
                  <div class="fw-semibold">{{ $s->student->name ?? '-' }}</div>
                  <div class="text-muted small">Student ID: {{ $s->student_id }}</div>
                </td>

                <td>
                  @if($fileUrl)
                    <div class="d-flex justify-content-center gap-2 flex-wrap">
                      {{-- View button --}}
                      <a class="btn btn-outline-success btn-sm" target="_blank" href="{{ $fileUrl }}">
                        View
                      </a>

                      {{-- Download button --}}
                      <a class="btn btn-outline-primary btn-sm"
                         href="{{ $fileUrl }}"
                         download>
                        Download
                      </a>
                    </div>
                  @else
                    <span class="text-muted">No File</span>
                  @endif
                </td>

                <td>{{ optional($s->submitted_at)->format('Y-m-d H:i') }}</td>
                <td>{{ $s->grade ?? '-' }}</td>

                <td class="text-nowrap">
                  <a class="btn btn-sm btn-outline-primary"
                     href="{{ route('assignment-submissions.show', $s) }}">
                    View
                  </a>

                  @can('update assignment submissions')
                    <a class="btn btn-sm btn-outline-warning"
                       href="{{ route('assignment-submissions.edit', $s) }}">
                      Edit
                    </a>
                  @endcan

                  @if(auth()->user()->hasRole('master-admin'))
                    <form action="{{ route('assignment-submissions.destroy', $s) }}"
                          method="POST"
                          class="d-inline"
                          onsubmit="return confirm('Delete this submission?');">
                      @csrf
                      @method('DELETE')
                      <button class="btn btn-sm btn-outline-danger">Delete</button>
                    </form>
                  @endif
                </td>

              </tr>
            @empty
              <tr>
                <td colspan="8" class="text-center text-muted">No submissions found.</td>
              </tr>
            @endforelse
          </tbody>

        </table>
      </div>

    </div>
  </div>
</div>
@endsection

@push('script')
<script>
$(document).ready(function () {
  if ($('#bookings-table').length) {
    $('#bookings-table').DataTable({
      responsive: false,
      scrollX: true,
      pageLength: 10,
      lengthMenu: [5, 10, 25, 50, 100],
      order: [[0, 'desc']],
      columnDefs: [{ orderable: false, targets: -1 }]
    });
  }
});
</script>
@endpush