@extends('layouts.app')
@section('title', $assessment->title)
@section('page-title','Assessments')

@section('content')
<div class="page-header">
    <div class="d-flex align-items-center justify-content-between flex-wrap gap-2">
        <div>
            <h1>{{ $assessment->title }}</h1>
            <nav aria-label="breadcrumb"><ol class="breadcrumb">
                <li class="breadcrumb-item"><a href="{{ route('assessments.index') }}">Assessments</a></li>
                <li class="breadcrumb-item active">{{ $assessment->reference }}</li>
            </ol></nav>
        </div>
        <div class="d-flex gap-2">
            <button class="btn btn-primary btn-sm" data-bs-toggle="modal" data-bs-target="#inviteModal">
                <i class="bi bi-send me-1"></i>Send Invitation
            </button>
        </div>
    </div>
</div>

@if($pending > 0)
<div class="alert alert-warning d-flex align-items-center gap-2 mb-4">
    <i class="bi bi-hourglass-split" style="font-size:1.2rem;"></i>
    <div><strong>{{ $pending }} attempt{{ $pending!=1?'s':'' }} awaiting manual grading.</strong>
    Short-answer responses need to be reviewed before scores can be finalised.</div>
</div>
@endif

<div class="row g-4">
    {{-- Info + Questions --}}
    <div class="col-12 col-lg-4">
        <div class="card mb-3">
            <div class="card-header"><i class="bi bi-info-circle me-2"></i>Test Details</div>
            <div class="card-body" style="font-size:.84rem;" class="d-flex flex-column gap-2">
                <div class="mb-2"><span style="color:var(--text-3);">Type</span>
                    <div><span class="badge bg-{{ $assessment->type==='recruitment'?'info':($assessment->type==='upskilling'?'success':'secondary') }}">{{ $assessment->type_label }}</span></div>
                </div>
                <div class="mb-2"><span style="color:var(--text-3);">Platform</span>
                    <div><span class="badge bg-{{ $assessment->isMoodle()?'warning text-dark':'primary' }}">
                        {{ $assessment->isMoodle() ? '🎓 Moodle LMS' : 'Native' }}</span></div>
                </div>
                @if($assessment->jobPosting)
                <div class="mb-2"><span style="color:var(--text-3);">Linked Position</span>
                    <div class="fw-semibold">{{ $assessment->jobPosting->title }}</div></div>
                @endif
                @if($assessment->training)
                <div class="mb-2"><span style="color:var(--text-3);">Linked Training</span>
                    <div class="fw-semibold">{{ $assessment->training->title }}</div></div>
                @endif
                @if($assessment->recruitmentCriterion)
                <div class="mb-2"><span style="color:var(--text-3);">Pushes score to</span>
                    <div class="fw-semibold text-success">↳ {{ $assessment->recruitmentCriterion->name }} (Recruitment)</div></div>
                @endif
                @if($assessment->evaluationCriterion)
                <div class="mb-2"><span style="color:var(--text-3);">Pushes score to</span>
                    <div class="fw-semibold text-info">↳ {{ $assessment->evaluationCriterion->name }} (Evaluation)</div></div>
                @endif
                <div class="mb-2"><span style="color:var(--text-3);">Pass Mark</span>
                    <div class="fw-bold text-success">{{ $assessment->pass_score }}%</div></div>
                @if($assessment->time_limit_minutes)
                <div class="mb-2"><span style="color:var(--text-3);">Time Limit</span>
                    <div>{{ $assessment->time_limit_minutes }} minutes</div></div>
                @endif
                @if($assessment->isMoodle() && $assessment->moodle_invite_url)
                <div class="mb-2"><span style="color:var(--text-3);">Moodle Quiz URL</span>
                    <a href="{{ $assessment->moodle_invite_url }}" target="_blank" class="d-block text-truncate" style="font-size:.78rem;">{{ $assessment->moodle_invite_url }}</a></div>
                @endif
            </div>
        </div>

        @if(!$assessment->isMoodle())
        {{-- Add Question --}}
        <div class="card">
            <div class="card-header"><i class="bi bi-plus-circle me-2"></i>Add Question</div>
            <div class="card-body">
                <form method="POST" action="{{ route('assessments.question.store', $assessment) }}" id="qForm">
                    @csrf
                    <div class="d-flex flex-column gap-3">
                        <div>
                            <label class="form-label">Question *</label>
                            <textarea name="question_text" class="form-control" rows="3" required placeholder="Enter question text…"></textarea>
                        </div>
                        <div class="row g-2">
                            <div class="col-7">
                                <label class="form-label">Type *</label>
                                <select name="question_type" class="form-select form-select-sm" onchange="updateOptionsUI(this.value)">
                                    <option value="multiple_choice">Multiple Choice</option>
                                    <option value="multi_select">Multi Select</option>
                                    <option value="true_false">True / False</option>
                                    <option value="short_answer">Short Answer</option>
                                </select>
                            </div>
                            <div class="col-5">
                                <label class="form-label">Points</label>
                                <input type="number" name="points" class="form-control form-control-sm" value="1" min="0.5" step="0.5">
                            </div>
                        </div>
                        <div id="optionsSection">
                            <label class="form-label">Answer Options <small class="text-muted">(tick correct)</small></label>
                            <div id="optList" class="d-flex flex-column gap-1">
                                @for($i=0;$i<4;$i++)
                                <div class="input-group">
                                    <div class="input-group-text"><input type="checkbox" name="options[{{ $i }}][is_correct]" value="1"></div>
                                    <input type="text" name="options[{{ $i }}][text]" class="form-control form-control-sm" placeholder="Option {{ $i+1 }}">
                                </div>
                                @endfor
                            </div>
                        </div>
                        <div>
                            <label class="form-label">Explanation <small class="text-muted">(shown after submission)</small></label>
                            <input type="text" name="explanation" class="form-control form-control-sm" placeholder="Why is this answer correct?">
                        </div>
                        <button type="submit" class="btn btn-primary btn-sm">Add Question</button>
                    </div>
                </form>
            </div>
        </div>
        @endif
    </div>

    {{-- Questions list + Attempts --}}
    <div class="col-12 col-lg-8">
        @if(!$assessment->isMoodle() && $assessment->questions->count())
        <div class="card mb-4">
            <div class="card-header d-flex justify-content-between">
                <span><i class="bi bi-list-ol me-2"></i>{{ $assessment->questions->count() }} Questions</span>
                <span style="font-size:.8rem;color:var(--text-2);">Total: {{ $assessment->computedMaxScore() }} pts</span>
            </div>
            <div class="card-body p-0">
                @foreach($assessment->questions as $i => $q)
                <div class="p-3" style="border-bottom:1px solid var(--card-border);">
                    <div class="d-flex justify-content-between align-items-start">
                        <div style="font-size:.87rem;flex:1;padding-right:1rem;">
                            <span class="fw-bold" style="color:var(--ul-primary);">Q{{ $i+1 }}.</span>
                            {{ $q->question_text }}
                            <span class="badge bg-secondary ms-1" style="font-size:.65rem;">{{ $q->points }} pt{{ $q->points!=1?'s':'' }}</span>
                        </div>
                        <form method="POST" action="{{ route('assessments.question.destroy', $q) }}">
                            @csrf @method('DELETE')
                            <button class="btn btn-sm btn-icon btn-outline-danger" onclick="return confirm('Remove?')"><i class="bi bi-trash"></i></button>
                        </form>
                    </div>
                    @if($q->question_type !== 'short_answer')
                    <div class="mt-2 row g-1">
                        @foreach($q->options as $opt)
                        <div class="col-12 col-sm-6">
                            <div style="font-size:.78rem;padding:.2rem .6rem;border-radius:6px;
                                background:{{ $opt->is_correct ? '#d1fae5' : 'var(--body-bg)' }};
                                color:{{ $opt->is_correct ? '#065f46' : 'var(--text-2)' }};">
                                {{ $opt->is_correct ? '✓ ' : '○ ' }}{{ $opt->option_text }}
                            </div>
                        </div>
                        @endforeach
                    </div>
                    @else
                    <div style="font-size:.75rem;color:var(--text-3);margin-top:.3rem;font-style:italic;">Short answer — manual grading required</div>
                    @endif
                </div>
                @endforeach
            </div>
        </div>
        @endif

        {{-- Attempts / Results --}}
        <div class="card">
            <div class="card-header"><i class="bi bi-people me-2"></i>Attempts ({{ $assessment->attempts->count() }})</div>
            <div class="table-responsive">
                <table class="table table-hover mb-0" style="font-size:.84rem;">
                    <thead>
                        <tr>
                            <th>Taker</th>
                            <th>Score</th>
                            <th>Result</th>
                            <th class="d-none d-md-table-cell">Date</th>
                            <th class="text-end">Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                    @forelse($assessment->attempts as $att)
                    <tr>
                        <td>
                            <div class="fw-semibold">{{ $att->taker_display_name }}</div>
                            <div style="font-size:.72rem;color:var(--text-2);">
                                {{ $att->applicant ? 'Applicant' : 'Employee' }}
                                @if($att->status === 'not_started')<span class="badge bg-secondary ms-1">Not Started</span>@endif
                                @if($att->status === 'in_progress')<span class="badge bg-warning ms-1">In Progress</span>@endif
                            </div>
                        </td>
                        <td>
                            @if($att->percentage_score !== null)
                            <span class="fw-bold" style="color:{{ $att->passed ? '#059669' : '#dc2626' }};">
                                {{ round($att->percentage_score) }}%
                            </span>
                            @else —
                            @endif
                        </td>
                        <td>
                            @if($att->status === 'graded')
                                <span class="badge bg-{{ $att->passed_badge }}">{{ $att->passed ? 'Passed' : 'Failed' }}</span>
                            @elseif($att->status === 'submitted')
                                <span class="badge bg-warning">Needs Grading</span>
                            @else
                                <span class="badge bg-secondary">Pending</span>
                            @endif
                        </td>
                        <td class="d-none d-md-table-cell" style="color:var(--text-2);font-size:.79rem;">
                            {{ $att->submitted_at?->format('M d, Y') ?? $att->created_at->format('M d, Y') }}
                        </td>
                        <td class="text-end">
                            @if($att->status === 'submitted')
                            <a href="{{ route('assessments.grade', $att) }}" class="btn btn-sm btn-warning btn-icon" title="Grade"><i class="bi bi-pencil-square"></i></a>
                            @endif
                        </td>
                    </tr>
                    @empty
                    <tr><td colspan="5" class="text-center py-4" style="color:var(--text-3);">No attempts yet. Send an invitation to get started.</td></tr>
                    @endforelse
                    </tbody>
                </table>
            </div>
        </div>
    </div>
</div>

{{-- Send Invitation Modal --}}
<div class="modal fade" id="inviteModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title"><i class="bi bi-send me-2"></i>Send Test Invitation</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form method="POST" action="{{ route('assessments.invite', $assessment) }}">
                @csrf
                <div class="modal-body row g-3">
                    <div class="col-12">
                        <label class="form-label">Recipient Type *</label>
                        <div class="d-flex gap-3">
                            <label class="d-flex align-items-center gap-2">
                                <input type="radio" name="recipient_type" value="applicant" checked> Applicant / Candidate
                            </label>
                            <label class="d-flex align-items-center gap-2">
                                <input type="radio" name="recipient_type" value="employee"> Employee
                            </label>
                        </div>
                    </div>
                    <div class="col-12">
                        <label class="form-label">Recipient *</label>
                        <input type="number" name="recipient_id" class="form-control" required placeholder="Applicant or Employee ID">
                        <div class="form-text">Enter the numeric ID of the applicant or employee to invite.</div>
                    </div>
                    <div class="col-12" style="background:var(--body-bg);border-radius:10px;padding:1rem;font-size:.82rem;">
                        <div class="fw-semibold mb-1">What happens when you send:</div>
                        <ul class="mb-0 ps-3" style="color:var(--text-2);">
                            @if($assessment->isMoodle())
                            <li>A Moodle account is created or found for the recipient</li>
                            <li>They are enrolled in the quiz's course on Moodle</li>
                            <li>An email with Moodle credentials and quiz link is sent</li>
                            <li>Use <strong>Fetch Score</strong> after they complete the quiz</li>
                            @else
                            <li>A secure test link is generated (no login needed)</li>
                            <li>The link is emailed directly to the recipient</li>
                            <li>Score auto-calculates on submission and emails are sent</li>
                            @endif
                        </ul>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-primary"><i class="bi bi-send me-2"></i>Send Invitation</button>
                </div>
            </form>
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script>
function updateOptionsUI(type) {
    const sec = document.getElementById('optionsSection');
    sec.style.display = ['short_answer'].includes(type) ? 'none' : '';
    if (type === 'true_false') {
        document.getElementById('optList').innerHTML = `
            <div class="input-group"><div class="input-group-text"><input type="checkbox" name="options[0][is_correct]" value="1"></div>
            <input type="text" name="options[0][text]" class="form-control form-control-sm" value="True"></div>
            <div class="input-group"><div class="input-group-text"><input type="checkbox" name="options[1][is_correct]" value="1"></div>
            <input type="text" name="options[1][text]" class="form-control form-control-sm" value="False"></div>`;
    }
}
</script>
@endpush