@extends('layout.layout')

@section('content')
<div class="py-4">
    {{-- Back Button --}}
    <div class="d-flex justify-content-between align-items-center mb-4">
        <h5 class="mb-0">Session Details</h5>
        @php
        $sessionDate = \Carbon\Carbon::parse($session->session_date)->startOfDay();
        $today = \Carbon\Carbon::today();
        if ($sessionDate->equalTo($today)) {
        $label = "Back to Today Sessions";
        $filter = "today";
        } elseif ($sessionDate->greaterThan($today)) {
        $label = "Back to Upcoming Sessions";
        $filter = "upcoming";
        } else {
        $label = "Back to Previous Sessions";
        $filter = "previous";
        }
        @endphp

        <a href="{{ route('sessions.index', ['filter' => $filter]) }}" class="btn btn-secondary">
            <i class="ri-arrow-left-line me-1"></i> {{ $label }}
        </a>
    </div>

    {{-- Session Info --}}
    <div class="card mb-4">
        <div class="card-body">
            <h6 class="mb-3">Session Information</h6>
            <div class="row">
                <div class="col-md-6 mb-2">
                    <strong>Session Number:</strong> {{ $session->session_number }}
                </div>
                <div class="col-md-6 mb-2">
                    <strong>Course Name:</strong> {{ $session->staffScheduled->course_name_en ?? 'N/A' }}
                </div>
                <div class="col-md-6 mb-2">
                    <strong>Session Date:</strong> {{ \Carbon\Carbon::parse($session->session_date)->format('d M Y') }}
                </div>
                <div class="col-md-6 mb-2">
                    <strong>Time:</strong>
                    {{ \Carbon\Carbon::parse($session->start_time)->format('h:i A') }} -
                    {{ \Carbon\Carbon::parse($session->end_time)->format('h:i A') }}
                </div>
                <div class="col-md-6 mb-2">
                    <strong>Teacher:</strong>
                    {{ $session->staffScheduled->staff->first_name ?? '' }}
                    {{ $session->staffScheduled->staff->last_name ?? '' }}
                </div>
                <div class="col-md-6 mb-2">
                    <strong>Track Type:</strong> {{ $session->staffScheduled->trackType->name ?? 'N/A' }}
                </div>
                <div class="col-md-6 mb-2">
                    <strong>Track Level:</strong> {{ $session->staffScheduled->trackLevel->name_en ?? 'N/A' }}
                </div>
                @if($session->extra_link)
                <div class="col-md-6 mb-2">
                    <strong>Extra Link:</strong>
                    <a href="{{ $session->extra_link }}" target="_blank" rel="noopener noreferrer">
                        {{ $session->extra_link }}
                    </a>
                </div>
                @endif

                @if($session->attached)
                <div class="col-md-6 mb-2">
                    <strong>Attached File:</strong>
                    <a href="{{ asset($session->attached) }}" target="_blank" class="btn btn-outline-success btn-sm">
                        <i class="ri-eye-line me-1"></i> View Attachment
                    </a>
                </div>
                @endif
                @if($session->extra_file)
                <div class="col-md-6 mb-2">
                    <strong>Extra File:</strong>
                    <a href="{{ asset($session->extra_file) }}" target="_blank" class="btn btn-outline-success btn-sm">
                        <i class="ri-eye-line me-1"></i> View Extra File
                    </a>
                </div>
                @endif
                <br>
                <br>
                @php
                $now = now();
                $time = \Carbon\Carbon::parse($session->session_date . ' ' . $session->end_time);

                $isPast = $now->greaterThan($time);


                @endphp
                @if($isPast)
                <div class="col-6 col-md-4 col-lg-3">
                    <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#attachFileModal" title="Attach General Session File">
                        <i class="ri-upload-line me-1"></i> Attach Session File
                    </button>
                </div>
                @endif
            </div>
        </div>
    </div>
    {{-- Students Table --}}
    <div class="card">
        <div class="card-body">
            <h6 class="mb-3">Students in This Session</h6>
            <table class="table table-bordered table-striped">
                <thead class="table-light">
                    <tr>
                        <th>#</th>
                        <th>Student Name</th>
                        <th>Action</th>
                    </tr>
                </thead>
                <tbody>
                    @php
                    $todayDate = \Carbon\Carbon::today();
                    $firstDate = $firstSessionDate ? \Carbon\Carbon::parse($firstSessionDate) : null;
                    $thirdDate = $thirdSessionDate ? \Carbon\Carbon::parse($thirdSessionDate) : null;
                    $showMisplaced = $firstDate && $thirdDate && $todayDate->between($firstDate, $thirdDate);
                    $shouldAddStudentRequest = DB::table('urgents')->where('message',"Student Didn't Show-Up")->where('session_id',$session->id)->where('created_by',Auth::id())->exists();
                    $shouldAddTeacherRequest = DB::table('urgents')->where('message',"Teacher Didn't Show-Up")->where('session_id',$session->id)->where('created_by',Auth::id())->exists();
                    @endphp
                    @forelse ($session->staffScheduled->courseStudent as $index => $courseStudent)
                    <tr>
                        <td>{{ $index + 1 }}</td>
                        <td>
                            {{ $courseStudent->student->first_name ?? '' }}
                            {{ $courseStudent->student->last_name ?? '' }}
                        </td>
                        <td>
                            @if($showMisplaced)
                            <form action="{{ route('addMisplaced') }}" method="POST" style="display:inline;">
                                @csrf
                                <input type="hidden" name="student_id" value="{{ $courseStudent->student->id }}">
                                <input type="hidden" name="level_id" value="{{ $session->staffScheduled->track_level_id }}">
                                <button type="submit" class="btn btn-outline-primary btn-sm radius-8">
                                    Misplaced
                                </button>
                            </form>
                            @endif
                            @if($courseStudent->should_add_feedback)
                            @php

                            $feedbackType = null;
                            if ($courseStudent->nextFeedback == "initial" && $session['session_number'] == 2) $feedbackType = 'Initial';
                            elseif($courseStudent->nextFeedback == "mid" && $session['session_number'] == 4) $feedbackType = 'Mid-Course';
                            elseif($courseStudent->nextFeedback == "final" && $session['session_number'] == 8) $feedbackType = 'Final';

                            $sessionDate = \Carbon\Carbon::parse($session->session_date);
                            $today = \Carbon\Carbon::today();

                            // Condition 1: Past session
                            $isPastSession = $sessionDate->lessThan($today);

                            // Condition 2: Today session & now > end_time
                            $isTodaySessionAndFinished = $sessionDate->equalTo($today) &&
                            now()->greaterThan( \Carbon\Carbon::parse($session->end_time));

                            // Final result
                            $canGiveFeedback = $isPastSession || $isTodaySessionAndFinished;
                            
                            $now = now();
                            
                            $deadline = \Carbon\Carbon::parse($courseStudent->feedback_target_date . ' ' . $session->end_time);
                            
                            $deadlinePlus24 = $deadline->copy()->addHours(24);
                            
                            $isLate = $now->greaterThan($deadlinePlus24);
                            
                            @endphp
                            @if($feedbackType && $canGiveFeedback)
                                <a href="{{ route('teacher_feedback.create', [
                                        'id' => $courseStudent->student->id,
                                        'staff_schedule_id' => $courseStudent->course->id
                                    ]) }}"
                                    class="btn {{ $isLate ? 'btn-danger' : 'btn-primary' }} btn-sm text-white me-2">
                                    {{ $feedbackType }} Feedback
                                </a>
                            @endif
                            @endif

                            @if(
                                in_array($session->session_number, [2, 4, 8]) &&
                                (
                                    (is_array($courseStudent->existing_feedbacks) && !empty($courseStudent->existing_feedbacks)) ||
                                    (is_object($courseStudent->existing_feedbacks) && method_exists($courseStudent->existing_feedbacks, 'isNotEmpty') && $courseStudent->existing_feedbacks->isNotEmpty())
                                )
                            )
                            <button type="button" class="btn btn-outline-info btn-sm radius-8"
                                data-bs-toggle="modal"
                                data-bs-target="#feedbackModal{{ $courseStudent->student->id }}">
                                View Feedback
                            </button>

                            @endif
                            @if(!$shouldAddStudentRequest && $session->session_date == $todayDate && in_array($staff->jobTitle->slug, ['supervisor', 'teacher']) )
                            <form action="{{ route('addUrgent') }}" method="POST" class="d-inline">
                                @csrf
                                <input type="hidden" name="session_id" value="{{ $session->id }}">
                                <input type="hidden" name="student_id" value="{{ $courseStudent->student->id }}">
                                <input type="hidden" name="message" value="Student Didn't Show-Up">
                                <button type="submit"
                                    class="btn btn-sm btn-warning text-white me-2">
                                    Student Didn't Show-Up </button>
                            </form>
                            @endif
                            @if(!$shouldAddTeacherRequest && $session->session_date == $todayDate && in_array($staff->jobTitle->slug, ['supervisor']) )
                            <form action="{{ route('addUrgent') }}" method="POST" class="d-inline">
                                @csrf
                                <input type="hidden" name="session_id" value="{{ $session->id }}">
                                <input type="hidden" name="student_id" value="{{ $courseStudent->student->id }}">
                                <input type="hidden" name="message" value="Teacher Didn't Show-Up">
                                <button type="submit"
                                    class="btn btn-sm btn-warning text-white me-2">
                                    Teacher Didn't Show-Up </button>
                            </form>
                            @endif
                        </td>
                    </tr>
                    <div class="modal fade" id="feedbackModal{{ $courseStudent->student->id }}" tabindex="-1" aria-hidden="true">
                        <div class="modal-dialog modal-xl modal-dialog-centered">
                            <div class="modal-content">
                                <div class="modal-header bg-dark">
                                    <h5 class="modal-title fw-bold">
                                        Feedback Details - {{ $courseStudent->student->first_name }} {{ $courseStudent->student->last_name }}
                                    </h5>
                                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                                </div>
                                <div class="modal-body">
                                    @forelse($courseStudent->existing_feedbacks as $feedback)
                                    <div class="border rounded p-3 mb-4 shadow-sm">
                                        <h6 class="fw-bold text-primary mb-2">{{ ucfirst($feedback->type) }} Feedback</h6>
                                        <div class="row mb-2">
                                            <div class="col-md-4"><strong>Date:</strong> {{ $feedback->created_at->format('Y-m-d') }}</div>
                                            @if($feedback->level)
                                            <div class="col-md-4"><strong>Level:</strong> {{ $feedback->level ?? 'N/A' }}</div>
                                            @endif
                                            @if($feedback->need)
                                            <div class="col-md-4"><strong>Need:</strong> {{ $feedback->need ?? 'N/A' }}</div>
                                            @endif
                                        </div>

                                        <div class="mb-2">
                                            <strong>First Feedback:</strong>
                                            <p class="mb-0">{{ $feedback->first_feedback ?? 'N/A' }}</p>
                                        </div>
                                        <div class="row mb-2">
                                            @if($feedback->result)
                                            <div class="col-md-4"><strong>Result:</strong> {{ $feedback->result ?? 'N/A' }}</div>
                                            @endif
                                            @if($feedback->score)

                                            <div class="col-md-4"><strong>Score:</strong> {{ $feedback->score ?? 'N/A' }}</div>
                                            @endif
                                            @if($feedback->up_to_level)

                                            <div class="col-md-4"><strong>Up to Level:</strong> {{ $feedback->up_to_level ?? 'N/A' }}</div>
                                            @endif
                                        </div>

                                        <hr>

                                        <div class="row mb-2">
                                            @if($feedback->grammar)

                                            <div class="col-md-4"><strong>Grammar:</strong> {{ $feedback->grammar ?? 'N/A' }}</div>
                                            @endif
                                            @if($feedback->grammar)

                                            <div class="col-md-4"><strong>Speaking:</strong> {{ $feedback->speaking ?? 'N/A' }}</div>
                                            @endif
                                            @if($feedback->appropriacy)

                                            <div class="col-md-4"><strong>Appropriacy:</strong> {{ $feedback->appropriacy ?? 'N/A' }}</div>
                                            @endif
                                        </div>
                                        <div class="row mb-2">
                                            @if($feedback->listening)
                                            <div class="col-md-4"><strong>Listening:</strong> {{ $feedback->listening ?? 'N/A' }}</div>
                                            @endif
                                            @if($feedback->reading)
                                            <div class="col-md-4"><strong>Reading:</strong> {{ $feedback->reading ?? 'N/A' }}</div>
                                            @endif
                                            @if($feedback->writing)
                                            <div class="col-md-4"><strong>Writing:</strong> {{ $feedback->writing ?? 'N/A' }}</div>
                                            @endif
                                        </div>
                                        @if($feedback->teachers_note)
                                        <div class="mt-3">
                                            <strong>Teacher’s Note:</strong>
                                            <p class="mb-0">{{ $feedback->teachers_note ?? 'No notes provided' }}</p>
                                        </div>
                                        @endif
                                    </div>
                                    @empty
                                    <p class="text-center text-muted mb-0">No feedback available for this student.</p>
                                    @endforelse
                                </div>
                                <div class="modal-footer">
                                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
                                </div>
                            </div>
                        </div>
                    </div>
                    @empty
                    <tr>
                        <td colspan="2" class="text-center">No students enrolled in this session.</td>
                    </tr>



                    @endforelse
                </tbody>
            </table>
        </div>
    </div>
</div>
<!-- Attach File Modal -->
<div class="modal fade" id="attachFileModal" tabindex="-1" aria-labelledby="attachFileModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="attachFileModalLabel">Attach File to Session</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <form action="{{ route('sessions.attach', $session->id) }}" method="POST" enctype="multipart/form-data">
                @csrf
                @method('POST')
                <div class="modal-body">
                    <!-- Main File Upload -->
                    <div class="mb-3">
                        <label for="attached" class="form-label fw-semibold">Choose File</label>
                        <input type="file" name="attached" id="attached" class="form-control" accept=".pdf,.doc,.docx,.jpg,.jpeg,.png">
                        <small class="text-muted d-block mt-1">
                            Allowed: pdf, doc, docx, jpg, jpeg, png — Max: 5MB
                        </small>
                    </div>

                    <div class="text-center text-muted my-2">— OR —</div>

                    <!-- Extra Input (File or Link) -->
                    <div class="mb-3">
                        <label for="extra" class="form-label fw-semibold">Extra (File or Link)</label>
                        <input type="file" name="extra_file" id="extra_file" class="form-control mb-2" accept=".pdf,.doc,.docx,.jpg,.jpeg,.png,.mp4">
                        <input type="url" name="extra_link" id="extra_link" class="form-control" placeholder="https://example.com/resource">
                        <small class="text-muted d-block mt-1">
                            You can upload an extra file or provide an external link.
                        </small>
                    </div>
                </div>

                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary btn-sm" data-bs-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-primary btn-sm">Upload</button>
                </div>
            </form>
        </div>
    </div>
</div>

<!-- Optional: JS to prevent both file & link inputs at once -->
<script>
    document.addEventListener('DOMContentLoaded', function() {
        const extraFile = document.getElementById('extra_file');
        const extraLink = document.getElementById('extra_link');

        extraFile.addEventListener('input', () => {
            if (extraFile.files.length > 0) extraLink.disabled = true;
            else extraLink.disabled = false;
        });

        extraLink.addEventListener('input', () => {
            if (extraLink.value.trim() !== '') extraFile.disabled = true;
            else extraFile.disabled = false;
        });
    });
</script>
<!-- Modal -->

@endsection