@extends('admin.layout.app')
@section('title', ($section ?? null) === 'workflow' ? 'Workflow Configuration' : 'Admission')

@php
    $isWorkflowConfiguration = ($section ?? null) === 'workflow';
    $tabs = $isWorkflowConfiguration
        ? ['workflow' => 'Workflow Configuration']
        : [
            'applications' => 'Admission',
            'entrance-exams' => 'Kankor Examination',
            'certificates' => 'Certificates',
            'id-cards' => 'Student ID Cards',
        ];
    $routeFor = fn ($key) => route('admin.admissions-lifecycle.section', $key);
@endphp

@section('body')
<div class="d-flex flex-column flex-lg-row justify-content-between align-items-start gap-3 mb-4">
    <div>
        <h3 class="fw-bold mb-1">{{ $isWorkflowConfiguration ? 'Workflow Configuration' : 'Admission' }}</h3>
        <p class="text-muted mb-0">
            {{ $isWorkflowConfiguration
                ? 'Configure admission workflow rules, required stages, and decision controls.'
                : 'Online applications, physical applications, Kankor cards, exam results, and direct student registration.' }}
        </p>
    </div>
    @if($section === 'applications' && ($workflow['offline_registration_enabled'] ?? true))
        <a href="{{ route('admin.admissions-lifecycle.applications.create') }}" class="btn btn-primary rounded-pill">
            <i class="fas fa-plus me-1"></i> Add Physical Application
        </a>
    @endif
</div>

@if(session('success'))<div class="alert alert-success rounded-4">{{ session('success') }}</div>@endif
@if(session('warning'))<div class="alert alert-warning rounded-4">{{ session('warning') }}</div>@endif
@if($errors->any())
    <div class="alert alert-danger rounded-4"><ul class="mb-0">@foreach($errors->all() as $error)<li>{{ $error }}</li>@endforeach</ul></div>
@endif

<ul class="nav nav-pills gap-2 mb-4">
    @foreach($tabs as $key => $label)
        <li class="nav-item">
            <a class="nav-link rounded-pill {{ $section === $key ? 'active' : '' }}" href="{{ $routeFor($key) }}">{{ $label }}</a>
        </li>
    @endforeach
</ul>

@if($section === 'applications')
    @php
        $usesEntrance = ($workflow['entrance_exam_required'] ?? true) || ($workflow['entrance_card_required'] ?? true);
        $canDirectConvert = ($workflow['direct_admission_enabled'] ?? true);
        $tabRoute = fn ($tab) => route('admin.admissions-lifecycle.index', array_filter(array_merge(request()->except('page'), ['tab' => $tab])));
    @endphp

    <div class="card border-0 shadow-sm rounded-4">
        <div class="card-header bg-white border-0">
            <div class="d-flex flex-column flex-xl-row justify-content-between gap-3">
                <ul class="nav nav-tabs border-0">
                    <li class="nav-item">
                        <a class="nav-link {{ $activeApplicationTab === 'online' ? 'active' : '' }}" href="{{ $tabRoute('online') }}">
                            Online Applications
                            <span class="badge text-bg-light border ms-1">{{ $applicationStats['online'] ?? 0 }}</span>
                        </a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link {{ $activeApplicationTab === 'physical' ? 'active' : '' }}" href="{{ $tabRoute('physical') }}">
                            Physical Applications
                            <span class="badge text-bg-light border ms-1">{{ $applicationStats['physical'] ?? 0 }}</span>
                        </a>
                    </li>
                </ul>

                <form method="GET" class="d-flex flex-wrap gap-2 align-items-end">
                    <input type="hidden" name="tab" value="{{ $activeApplicationTab }}">
                    <div>
                        <label class="form-label small text-muted mb-1">Search</label>
                        <input name="q" value="{{ request('q') }}" class="form-control form-control-sm" placeholder="Name, number, phone, email">
                    </div>
                    <div>
                        <label class="form-label small text-muted mb-1">Status</label>
                        <select name="status" class="form-select form-select-sm">
                            <option value="">All</option>
                            @foreach(['pending','approved','rejected'] as $status)
                                <option value="{{ $status }}" @selected(request('status') === $status)>{{ ucfirst($status) }}</option>
                            @endforeach
                        </select>
                    </div>
                    <div>
                        <label class="form-label small text-muted mb-1">Program</label>
                        <select name="program_id" class="form-select form-select-sm">
                            <option value="">All</option>
                            @foreach($programs as $program)
                                <option value="{{ $program->id }}" @selected(request('program_id') == $program->id)>{{ $program->name }}</option>
                            @endforeach
                        </select>
                    </div>
                    <button class="btn btn-primary btn-sm rounded-pill px-3">Filter</button>
                </form>
            </div>
        </div>
        <div class="card-body table-responsive p-0">
            <table class="table table-hover align-middle mb-0">
                <thead class="table-light">
                    <tr>
                        <th>Applicant</th>
                        <th>Program</th>
                        <th>Status</th>
                        <th>{{ $usesEntrance ? 'Kankor / Entrance' : 'Admission Method' }}</th>
                        <th class="text-end">Actions</th>
                    </tr>
                </thead>
                <tbody>
                @forelse($applications as $application)
                    @php
                        $assignment = $application->entranceAssignments->sortByDesc('id')->first();
                        $source = $application->application_source ?: 'online';
                        $statusClass = $application->status === 'approved' ? 'success' : ($application->status === 'rejected' ? 'danger' : 'warning');
                    @endphp
                    <tr>
                        <td>
                            <div class="fw-semibold">{{ $application->name }}</div>
                            <small class="text-muted">{{ $application->register_no }} · {{ $application->phone }}</small>
                        </td>
                        <td>
                            <div>{{ $application->program->name ?? '—' }}</div>
                            <small class="text-muted">{{ $application->faculty->name ?? '' }}</small>
                        </td>
                        <td><span class="badge text-bg-{{ $statusClass }}">{{ ucfirst($application->status ?? 'pending') }}</span></td>
                        <td>
                            @if($assignment)
                                <div class="fw-semibold">{{ $assignment->exam?->name ?? 'Kankor Exam' }}</div>
                                <small class="text-muted">Seat {{ $assignment->seat_number }} · {{ str_replace('_', ' ', $assignment->result_status) }}</small>
                            @elseif($usesEntrance)
                                <span class="text-muted small">Click Next to generate Kankor card</span>
                            @elseif($canDirectConvert)
                                <span class="badge text-bg-info">Direct admission available</span>
                            @else
                                <span class="text-muted small">No next step enabled</span>
                            @endif
                        </td>
                        <td class="text-end">
                            <div class="d-flex flex-wrap gap-1 justify-content-end">
                                <a href="{{ route('admin.admissions-lifecycle.applications.show', $application) }}" class="btn btn-sm btn-outline-dark">View</a>
                                <a href="{{ route('admin.admissions-lifecycle.applications.edit', $application) }}" class="btn btn-sm btn-outline-primary">Edit</a>
                                @if(!$application->converted_student_user_id)
                                    <form method="POST" action="{{ route('admin.admissions-lifecycle.applications.destroy', $application) }}" onsubmit="return confirm('Delete this application?')">
                                        @csrf @method('DELETE')
                                        <button class="btn btn-sm btn-outline-danger">Delete</button>
                                    </form>
                                    <form method="POST" action="{{ route('admin.admissions-lifecycle.applications.advance', $application) }}">
                                        @csrf
                                        <button class="btn btn-sm btn-warning">Next</button>
                                    </form>
                                    @if($canDirectConvert)
                                        <form method="POST" action="{{ route('admin.admissions-lifecycle.applications.convert', $application) }}" onsubmit="return confirm('Register directly as student without Kankor?')">
                                            @csrf
                                            <input type="hidden" name="direct_admission" value="1">
                                            <button class="btn btn-sm btn-outline-success">Direct Student</button>
                                        </form>
                                    @endif
                                @else
                                    <a href="{{ route('students.show', $application->converted_student_user_id) }}" class="btn btn-sm btn-success">Student</a>
                                @endif
                            </div>
                        </td>
                    </tr>
                @empty
                    <tr><td colspan="5" class="text-center text-muted py-4">No {{ $activeApplicationTab }} applications found.</td></tr>
                @endforelse
                </tbody>
            </table>
        </div>
        @if($applications->hasPages())
            <div class="card-footer bg-white">{{ $applications->links('pagination::bootstrap-4') }}</div>
        @endif
    </div>
@endif

@if($section === 'entrance-exams')
    <div class="card border-0 shadow-sm rounded-4">
        <div class="card-header bg-white border-0">
            <div class="d-flex flex-column flex-lg-row justify-content-between gap-3 align-items-lg-center">
                <div><div class="fw-bold">Kankor Examinations</div><div class="text-muted small">Filter by examination year and open an exam to manage candidates and results.</div></div>
                <div class="d-flex flex-wrap gap-2">
                    <form method="GET" action="{{ route('admin.admissions-lifecycle.section', 'entrance-exams') }}" class="d-flex gap-2">
                        <select name="exam_year" class="form-select form-select-sm" style="min-width:150px"><option value="">All years</option>@foreach($examYears as $year)<option value="{{ $year }}" @selected((string) $selectedExamYear === (string) $year)>{{ $year }}</option>@endforeach</select>
                        <button class="btn btn-sm btn-outline-primary">Filter</button>
                    </form>
                    <a href="{{ route('admin.admissions-lifecycle.entrance-exams.create') }}" class="btn btn-sm btn-primary"><i class="fa-solid fa-plus me-1"></i> Add Examination</a>
                </div>
            </div>
        </div>
        <div class="card-body table-responsive p-0">
            <table class="table table-hover align-middle mb-0">
                <thead class="table-light"><tr><th>Exam</th><th>Year</th><th>Date</th><th>Scope</th><th>Candidates</th><th>Successful</th><th>Failed</th><th>Waiting</th><th class="text-end">Actions</th></tr></thead>
                <tbody>
                @forelse($entranceExams as $exam)
                    <tr>
                        <td><div class="fw-semibold">{{ $exam->name }}</div><small class="text-muted">{{ $exam->location }} {{ $exam->room }}</small></td>
                        <td>{{ $exam->exam_date?->format('Y') ?? '—' }}</td><td>{{ $exam->exam_date?->format('Y-m-d') ?? '—' }}<br><small>{{ $exam->exam_date_shamsi }}</small></td>
                        <td>{{ $exam->program?->name ?? $exam->faculty?->name ?? 'All applicants' }}</td>
                        <td><span class="badge text-bg-light border">{{ $exam->applicants_count }}</span></td><td><span class="badge text-bg-success">{{ $exam->successful_count }}</span></td><td><span class="badge text-bg-danger">{{ $exam->failed_count }}</span></td><td><span class="badge text-bg-warning">{{ $exam->waiting_count }}</span></td>
                        <td class="text-end text-nowrap"><a href="{{ route('admin.admissions-lifecycle.entrance-exams.show', $exam) }}" class="btn btn-sm btn-outline-dark">View</a> <a href="{{ route('admin.admissions-lifecycle.entrance-exams.edit', $exam) }}" class="btn btn-sm btn-outline-primary">Edit</a> @if($exam->applicants_count === 0)<form method="POST" action="{{ route('admin.admissions-lifecycle.entrance-exams.destroy', $exam) }}" class="d-inline" onsubmit="return confirm('Delete this Kankor examination?')">@csrf @method('DELETE')<button class="btn btn-sm btn-outline-danger">Delete</button></form>@endif</td>
                    </tr>
                @empty<tr><td colspan="9" class="text-center text-muted py-4">No Kankor examinations found.</td></tr>@endforelse
                </tbody>
            </table>
        </div>
        @if($entranceExams->hasPages())<div class="card-footer bg-white">{{ $entranceExams->links('pagination::bootstrap-4') }}</div>@endif
    </div>
@endif

@if($section === 'workflow')
    <div class="row g-4">
        <div class="col-xl-5">
            <div class="card border-0 shadow-sm rounded-4 h-100">
                <div class="card-header bg-white border-0 fw-bold">Admission Workflow Control</div>
                <div class="card-body">
                    <form method="POST" action="{{ route('admin.admissions-lifecycle.workflow.update') }}" class="vstack gap-3">
                        @csrf
                        @foreach($workflowRows as $row)
                            <label class="d-flex gap-3 align-items-start border rounded-4 p-3 mb-0">
                                <input type="checkbox" name="settings[{{ $row->setting_key }}]" value="1" class="form-check-input mt-1" @checked($workflow[$row->setting_key] ?? false)>
                                <span>
                                    <span class="fw-semibold d-block">{{ $row->label }}</span>
                                    <span class="text-muted small">{{ $row->description }}</span>
                                </span>
                            </label>
                        @endforeach
                        <button class="btn btn-primary rounded-pill">Save Workflow Settings</button>
                    </form>
                </div>
            </div>
        </div>
        <div class="col-xl-7">
            <div class="card border-0 shadow-sm rounded-4">
                <div class="card-header bg-white border-0 fw-bold">Simple Supported Workflows</div>
                <div class="card-body">
                    <div class="vstack gap-3">
                        <div class="p-3 bg-light rounded-4"><strong>Online Admission</strong><div class="small text-muted">Applicant submits online -> admin reviews -> Next creates Kankor card -> result converts successful applicant to student.</div></div>
                        <div class="p-3 bg-light rounded-4"><strong>Physical Admission</strong><div class="small text-muted">Manager clicks Add -> enters applicant data -> Next creates Kankor card -> result converts successful applicant to student.</div></div>
                        <div class="p-3 bg-light rounded-4"><strong>Direct Student Registration</strong><div class="small text-muted">When Kankor is not needed, the applicant can be registered directly as a student.</div></div>
                    </div>
                </div>
            </div>
        </div>
    </div>
@endif

@if($section === 'certificates')
    <div class="row g-4">
        <div class="col-xl-4"><div class="card border-0 shadow-sm rounded-4"><div class="card-header bg-white border-0 fw-bold">Generate Certificate</div><div class="card-body">
            <form method="POST" action="{{ route('admin.admissions-lifecycle.certificates.store') }}" class="row g-3">@csrf
                <div class="col-12"><label class="form-label">Student</label><select name="student_user_id" class="form-select" required>@foreach($students as $student)<option value="{{ $student->id }}">{{ $student->name }}</option>@endforeach</select></div>
                <div class="col-12"><label class="form-label">Type</label><input name="certificate_type" class="form-control" placeholder="Graduation, Completion, Training" required></div>
                <div class="col-md-6"><label class="form-label">Issue Date</label><input type="date" name="issue_date" class="form-control" required></div>
                <div class="col-md-6"><label class="form-label">Shamsi</label><input name="issue_date_shamsi" class="form-control"></div>
                <div class="col-12"><label class="form-label">Template</label><input name="template_name" class="form-control"></div>
                <div class="col-12"><button class="btn btn-primary w-100 rounded-pill">Generate</button></div>
            </form>
        </div></div></div>
        <div class="col-xl-8"><div class="card border-0 shadow-sm rounded-4"><div class="card-header bg-white border-0 fw-bold">Certificates</div><div class="card-body table-responsive">
            <table class="table table-hover align-middle"><thead class="table-light"><tr><th>Certificate</th><th>Student</th><th>Date</th><th>Verification</th><th></th></tr></thead><tbody>
            @forelse($certificates as $certificate)
                <tr><td>{{ $certificate->certificate_type }}<br><small>{{ $certificate->certificate_number }}</small></td><td>{{ $certificate->student->name ?? '—' }}</td><td>{{ $certificate->issue_date?->format('Y-m-d') }}<br><small>{{ $certificate->issue_date_shamsi }}</small></td><td>{{ $certificate->verification_code }}</td><td><a target="_blank" href="{{ route('admin.admissions-lifecycle.certificates.print', $certificate) }}" class="btn btn-sm btn-outline-dark">Print</a></td></tr>
            @empty
                <tr><td colspan="5" class="text-center text-muted py-4">No certificates generated.</td></tr>
            @endforelse
            </tbody></table>{{ $certificates->links('pagination::bootstrap-4') }}
        </div></div></div>
    </div>
@endif

@if($section === 'id-cards')
    <div class="row g-4">
        <div class="col-xl-4"><div class="card border-0 shadow-sm rounded-4"><div class="card-header bg-white border-0 fw-bold">Generate Student ID Card</div><div class="card-body">
            <form method="POST" action="{{ route('admin.admissions-lifecycle.id-cards.store') }}" class="row g-3">@csrf
                <div class="col-12"><label class="form-label">Student</label><select name="student_user_id" class="form-select" required>@foreach($students as $student)<option value="{{ $student->id }}">{{ $student->name }}</option>@endforeach</select></div>
                <div class="col-md-6"><label class="form-label">Issue Date</label><input type="date" name="issue_date" class="form-control"></div>
                <div class="col-md-6"><label class="form-label">Issue Shamsi</label><input name="issue_date_shamsi" class="form-control"></div>
                <div class="col-md-6"><label class="form-label">Valid Until</label><input type="date" name="valid_until" class="form-control"></div>
                <div class="col-md-6"><label class="form-label">Valid Shamsi</label><input name="valid_until_shamsi" class="form-control"></div>
                <div class="col-12"><button class="btn btn-primary w-100 rounded-pill">Generate ID Card</button></div>
            </form>
        </div></div></div>
        <div class="col-xl-8"><div class="card border-0 shadow-sm rounded-4"><div class="card-header bg-white border-0">
            <div class="d-flex flex-column flex-lg-row justify-content-between gap-2 align-items-lg-center">
                <div class="fw-bold">Student ID Cards</div>
                <a target="_blank" href="{{ route('admin.admissions-lifecycle.id-cards.print-all') }}" class="btn btn-sm btn-outline-dark">Print All Student ID Cards</a>
            </div>
        </div><div class="card-body table-responsive">
            <table class="table table-hover align-middle"><thead class="table-light"><tr><th>Card</th><th>Student</th><th>Valid</th><th>Status</th><th></th></tr></thead><tbody>
            @forelse($cards as $card)
                <tr><td>{{ $card->card_number }}<br><small>{{ $card->barcode }}</small></td><td>{{ $card->student->name ?? '—' }}</td><td>{{ $card->valid_until?->format('Y-m-d') }}<br><small>{{ $card->valid_until_shamsi }}</small></td><td>{{ $card->status }}</td><td><a target="_blank" href="{{ route('admin.admissions-lifecycle.id-cards.print', $card) }}" class="btn btn-sm btn-outline-dark">Print</a></td></tr>
            @empty
                <tr><td colspan="5" class="text-center text-muted py-4">No ID cards generated.</td></tr>
            @endforelse
            </tbody></table>{{ $cards->links('pagination::bootstrap-4') }}
        </div></div></div>
    </div>
@endif
@endsection