@extends('layouts.applicant.applicant')

@section('title', 'D10 - Workshop/FDP/Short Term')

@section('breadcrumbs')
    <li class="breadcrumb-item"><a href="{{ route('applicant.applications.index') }}">My Applications</a></li>
    <li class="breadcrumb-item"><a href="{{ route('applicant.applications.show', $application) }}">{{ $application->application_number }}</a></li>
    <li class="breadcrumb-item active">D10 - Workshop/FDP/Short Term</li>
@endsection

@section('content')
<div class="container-fluid">
    <!-- Page Header -->
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 mb-0 text-gray-800">Workshop/FDP/Short Term (Workshop/FDP/Short term courses of min. 05 working days' duration offered as coordinator or convener)</h1>
            <p class="text-muted">Application: {{ $application->application_number }}</p>
        </div>
        <div>
            @php
                $previousStep = $currentStep->getPreviousStep();
            @endphp
            @if($previousStep)
                <a href="{{ route('applicant.applications.step', [$application, $previousStep->slug]) }}" class="btn btn-outline-secondary">
                    <i class="fas fa-arrow-left me-2"></i>Previous Step
                </a>
            @endif
        </div>
    </div>

    <!-- Dynamic Progress Indicator -->
    @include('applicant.applications.partials.progress-indicator')

    @php
        $workshopFdps = $application->workshopFdps()->orderBy('serial_no')->get();
        $totalCreditPoints = $workshopFdps->sum('credit_points');
        $evaluationPoints = min($totalCreditPoints, 8); // Max 8 for evaluation
        $totalCourses = $workshopFdps->count();
        $validCourses = $workshopFdps->where('number_of_days', '>=', 5)->count();
        $invalidCourses = $workshopFdps->where('number_of_days', '<', 5)->count();
        $totalDays = $workshopFdps->sum('number_of_days');
    @endphp

    <!-- Credit Points Summary -->
    <div class="row mb-4">
        <div class="col-md-6">
            <div class="card border-primary">
                <div class="card-body text-center">
                    <div class="h4 text-primary">{{ number_format($totalCreditPoints, 2) }}</div>
                    <div class="small text-muted">Total Credit Points</div>
                </div>
            </div>
        </div>
        <div class="col-md-6">
            <div class="card border-success">
                <div class="card-body text-center">
                    <div class="h4 text-success">{{ number_format($evaluationPoints, 2) }}</div>
                    <div class="small text-muted">Maximum Credit Points (Max 8)</div>
                </div>
            </div>
        </div>
    </div>

    <!-- Credit Points Calculation Info -->
    <div class="alert alert-info mb-4">
        <h6 class="alert-heading"><i class="fas fa-info-circle me-2"></i>Credit Points Calculation</h6>
        <div class="row">
            <div class="col-md-6">
                <strong>Credit Points per Course:</strong> 2 Points
            </div>
            <div class="col-md-6">
                <strong>Total Courses:</strong> {{ $totalCourses }} ({{ $validCourses }} valid, {{ $invalidCourses }} invalid)
            </div>
        </div>
        <hr>
        <div class="alert alert-warning mb-0">
            <strong>Important:</strong> 
            <ul class="mb-0">
                <li>Maximum 8 credit points can be used for further calculation</li>
                <li>If sum of credit points is more than 8, only 8 will be considered for evaluation</li>
                <li>Minimum 5 working days duration required for credit points</li>
                <li>Must be offered as coordinator or convener</li>
                <li>Upload certificates or proof documents for verification</li>
            </ul>
        </div>
    </div>

    <!-- Workshop/FDP Section -->
    <div class="card shadow mb-4">
        <div class="card-header py-3">
            <div class="d-flex justify-content-between align-items-center">
                <h6 class="m-0 font-weight-bold text-primary">
                    <i class="fas fa-chalkboard-teacher me-2"></i>Workshop/FDP/Short Term Courses
                </h6>
                @if($application->isEditable())
                <button type="button" class="btn btn-primary btn-sm" data-bs-toggle="modal" data-bs-target="#addWorkshopFdpModal">
                    <i class="fas fa-plus me-1"></i>Add Workshop/FDP/Course
                </button>
                @endif
            </div>
        </div>
        <div class="card-body">
            @if($workshopFdps->count() > 0)
                <div class="table-responsive">
                    <table class="table table-bordered">
                        <thead class="table-light">
                            <tr>
                                <th>Sr. No</th>
                                <th>Event Name/Title</th>
                                <th>Duration (From Date/To Date)</th>
                                <th>Number of Days</th>
                                <th>Credit Points</th>
                                <th>Proof Document</th>
                                @if($application->isEditable())
                                <th>Actions</th>
                                @endif
                            </tr>
                        </thead>
                        <tbody>
                            @foreach($workshopFdps as $workshop)
                            <tr class="{{ $workshop->number_of_days < 5 ? 'table-warning' : '' }}">
                                <td>{{ $workshop->serial_no }}</td>
                                <td class="fw-bold">{{ $workshop->event_name_title }}</td>
                                <td>{{ $workshop->duration }}</td>
                                <td>
                                    <span class="badge {{ $workshop->number_of_days >= 5 ? 'badge-success' : 'badge-warning' }}">
                                        {{ $workshop->number_of_days }} Day{{ $workshop->number_of_days > 1 ? 's' : '' }}
                                        @if($workshop->number_of_days < 5)
                                            <i class="fas fa-exclamation-triangle ms-1" title="Below minimum requirement"></i>
                                        @endif
                                    </span>
                                </td>
                                <td class="fw-bold {{ $workshop->credit_points > 0 ? 'text-primary' : 'text-danger' }}">
                                    {{ number_format($workshop->credit_points, 2) }}
                                    @if($workshop->credit_points == 0)
                                        <small class="text-danger d-block">No credit (< 5 days)</small>
                                    @endif
                                </td>
                                <td>
                                    @if($workshop->hasDocument())
                                        <a href="{{ route('applicant.workshop-fdps.download-document', [$application, $workshop]) }}" 
                                           class="btn btn-sm btn-outline-primary" title="Download Certificate">
                                            <i class="fas fa-download"></i>
                                        </a>
                                    @else
                                        <span class="text-danger">No Document</span>
                                    @endif
                                </td>
                                @if($application->isEditable())
                                <td>
                                    <div class="btn-group" role="group">
                                        <button type="button" class="btn btn-sm btn-outline-primary" 
                                                onclick="editWorkshopFdp({{ $workshop->id }})" title="Edit">
                                            <i class="fas fa-edit"></i>
                                        </button>
                                        <button type="button" class="btn btn-sm btn-outline-danger" 
                                                onclick="deleteWorkshopFdp({{ $workshop->id }})" title="Delete">
                                            <i class="fas fa-trash"></i>
                                        </button>
                                    </div>
                                </td>
                                @endif
                            </tr>
                            @endforeach
                        </tbody>
                    </table>
                </div>
                
                <!-- Summary -->
                <div class="mt-4">
                    <div class="row">
                        <div class="col-md-6">
                            <div class="card border-info">
                                <div class="card-body">
                                    <h6 class="card-title text-info">Summary</h6>
                                    <p class="mb-1"><strong>Total Courses:</strong> {{ $totalCourses }}</p>
                                    <p class="mb-1"><strong>Valid Courses (≥5 days):</strong> {{ $validCourses }}</p>
                                    <p class="mb-1"><strong>Invalid Courses (<5 days):</strong> {{ $invalidCourses }}</p>
                                    <p class="mb-0"><strong>Total Days:</strong> {{ $totalDays }}</p>
                                </div>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="card border-secondary">
                                <div class="card-body">
                                    <h6 class="card-title text-secondary">Evaluation</h6>
                                    <p class="mb-1"><strong>Total Credit Points:</strong> {{ number_format($totalCreditPoints, 2) }}</p>
                                    <p class="mb-1"><strong>Evaluation Points:</strong> {{ number_format($evaluationPoints, 2) }} / 8</p>
                                    @if($totalCreditPoints > 8)
                                        <p class="mb-0 text-warning"><strong>Note:</strong> Total exceeds 8, capped at 8 for evaluation</p>
                                    @else
                                        <p class="mb-0 text-success"><strong>Status:</strong> Within evaluation limit</p>
                                    @endif
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            @else
                <div class="text-center py-5">
                    <i class="fas fa-chalkboard-teacher fa-4x text-muted mb-3"></i>
                    <h5 class="text-muted">No Workshop/FDP/Short Term Courses Added</h5>
                    <p class="text-muted">Add your workshops, FDPs, and short term courses as coordinator/convener to earn credit points.</p>
                    @if($application->isEditable())
                        <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#addWorkshopFdpModal">
                            <i class="fas fa-plus me-2"></i>Add First Course
                        </button>
                    @endif
                </div>
            @endif
        </div>
    </div>

    <!-- Navigation -->
    <div class="d-flex justify-content-between mt-4">
        <div>
            @if($previousStep)
                <a href="{{ route('applicant.applications.step', [$application, $previousStep->slug]) }}" class="btn btn-secondary">
                    <i class="fas fa-arrow-left me-1"></i>Previous: {{ $previousStep->name }}
                </a>
            @endif
        </div>
        
        <div>
            @php
                $nextStep = $currentStep->getNextStep();
            @endphp
            @if($nextStep)
                <a href="{{ route('applicant.applications.step', [$application, $nextStep->slug]) }}" class="btn btn-primary">
                    Next: {{ $nextStep->name }} <i class="fas fa-arrow-right ms-1"></i>
                </a>
            @endif
        </div>
    </div>
</div>

<!-- Add/Edit Workshop/FDP Modal -->
@if($application->isEditable())
<div class="modal fade" id="addWorkshopFdpModal" tabindex="-1" aria-labelledby="addWorkshopFdpModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-xl">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="addWorkshopFdpModalLabel">Add Workshop/FDP/Short Term Course</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <form id="workshopFdpForm" method="POST" enctype="multipart/form-data">
                @csrf
                <div class="modal-body">
                    <input type="hidden" id="workshop_fdp_id" name="workshop_fdp_id">
                    
                    <div class="row">
                        <div class="col-md-12">
                            <div class="mb-3">
                                <label for="event_name_title" class="form-label">Event Name/Title <span class="text-danger">*</span></label>
                                <input type="text" class="form-control" id="event_name_title" name="event_name_title" required>
                                <small class="text-muted">Full name/title of the workshop, FDP, or short term course</small>
                            </div>
                        </div>
                    </div>
                    
                    <div class="row">
                        <div class="col-md-4">
                            <div class="mb-3">
                                <label for="from_date" class="form-label">From Date <span class="text-danger">*</span></label>
                                <input type="date" class="form-control" id="from_date" name="from_date" required onchange="calculateDays()">
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="mb-3">
                                <label for="to_date" class="form-label">To Date <span class="text-danger">*</span></label>
                                <input type="date" class="form-control" id="to_date" name="to_date" required onchange="calculateDays()">
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="mb-3">
                                <label for="number_of_days" class="form-label">Number of Days <span class="text-danger">*</span></label>
                                <input type="number" class="form-control" id="number_of_days" name="number_of_days" 
                                       min="1" required onchange="calculateCreditPoints()">
                                <small class="text-muted" id="days_info">Minimum 5 working days required for credit points</small>
                            </div>
                        </div>
                    </div>
                    
                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label">Credit Points (Auto-calculated)</label>
                                <div class="input-group">
                                    <input type="number" class="form-control" id="credit_points_display" readonly>
                                    <span class="input-group-text">
                                        <i class="fas fa-calculator"></i>
                                    </span>
                                </div>
                                <small class="text-muted" id="credit_points_info">
                                    2 credit points per course (minimum 5 days)
                                </small>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="proof_document" class="form-label">Upload Proof (Certificate, etc.) <span class="text-danger">*</span></label>
                                <input type="file" class="form-control" id="proof_document" name="proof_document" accept=".pdf">
                                <small class="text-muted">Upload certificate or proof document (PDF only, max 5MB)</small>
                            </div>
                        </div>
                    </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">Save Course</button>
                </div>
            </form>
        </div>
    </div>
</div>
@endif

<script>
function calculateDays() {
    const fromDate = document.getElementById('from_date').value;
    const toDate = document.getElementById('to_date').value;
    
    if (fromDate && toDate) {
        const from = new Date(fromDate);
        const to = new Date(toDate);
        const timeDiff = to.getTime() - from.getTime();
        const daysDiff = Math.ceil(timeDiff / (1000 * 3600 * 24)) + 1; // +1 to include both start and end days
        
        if (daysDiff > 0) {
            document.getElementById('number_of_days').value = daysDiff;
            calculateCreditPoints();
        }
    }
}

function calculateCreditPoints() {
    const days = parseInt(document.getElementById('number_of_days').value) || 0;
    const creditPoints = days >= 5 ? 2 : 0; // 2 points if >= 5 days, 0 otherwise
    
    document.getElementById('credit_points_display').value = creditPoints;
    
    const infoElement = document.getElementById('credit_points_info');
    const daysInfoElement = document.getElementById('days_info');
    
    if (days >= 5) {
        infoElement.innerHTML = `${days} days ≥ 5 days = ${creditPoints} credit points`;
        infoElement.className = 'text-success';
        daysInfoElement.innerHTML = `${days} days (Valid for credit points)`;
        daysInfoElement.className = 'text-success';
    } else if (days > 0) {
        infoElement.innerHTML = `${days} days < 5 days = ${creditPoints} credit points (No credit)`;
        infoElement.className = 'text-warning';
        daysInfoElement.innerHTML = `${days} days (Below minimum requirement)`;
        daysInfoElement.className = 'text-warning';
    } else {
        infoElement.innerHTML = '2 credit points per course (minimum 5 days)';
        infoElement.className = 'text-muted';
        daysInfoElement.innerHTML = 'Minimum 5 working days required for credit points';
        daysInfoElement.className = 'text-muted';
    }
}

function editWorkshopFdp(workshopId) {
    // Fetch workshop data and populate modal
    fetch(`{{ route("applicant.workshop-fdps.show", [$application, "WORKSHOP_ID"]) }}`.replace('WORKSHOP_ID', workshopId))
        .then(response => response.json())
        .then(data => {
            document.getElementById('workshop_fdp_id').value = data.id;
            document.getElementById('event_name_title').value = data.event_name_title;
            document.getElementById('from_date').value = data.from_date;
            document.getElementById('to_date').value = data.to_date;
            document.getElementById('number_of_days').value = data.number_of_days;
            
            calculateCreditPoints();
            
            document.getElementById('addWorkshopFdpModalLabel').textContent = 'Edit Workshop/FDP/Short Term Course';
            document.getElementById('workshopFdpForm').action = 
                `{{ route("applicant.workshop-fdps.update", [$application, "WORKSHOP_ID"]) }}`.replace('WORKSHOP_ID', workshopId);
            
            // Show modal
            new bootstrap.Modal(document.getElementById('addWorkshopFdpModal')).show();
        })
        .catch(error => {
            console.error('Error:', error);
            alert('Error loading workshop data');
        });
}

function deleteWorkshopFdp(workshopId) {
    if (confirm('Are you sure you want to delete this workshop/FDP/course?')) {
        fetch(`{{ route("applicant.workshop-fdps.destroy", [$application, "WORKSHOP_ID"]) }}`.replace('WORKSHOP_ID', workshopId), {
            method: 'DELETE',
            headers: {
                'X-CSRF-TOKEN': '{{ csrf_token() }}',
                'Content-Type': 'application/json',
            },
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                location.reload();
            } else {
                alert('Error deleting workshop/FDP/course');
            }
        })
        .catch(error => {
            console.error('Error:', error);
            alert('Error deleting workshop/FDP/course');
        });
    }
}

// Reset modal when opening for new workshop
document.getElementById('addWorkshopFdpModal').addEventListener('show.bs.modal', function (event) {
    if (!event.relatedTarget || !event.relatedTarget.onclick) {
        // Reset form for new workshop
        document.getElementById('workshopFdpForm').reset();
        document.getElementById('workshop_fdp_id').value = '';
        document.getElementById('addWorkshopFdpModalLabel').textContent = 'Add Workshop/FDP/Short Term Course';
        document.getElementById('workshopFdpForm').action = '{{ route("applicant.workshop-fdps.store", $application) }}';
        document.getElementById('credit_points_display').value = '';
        document.getElementById('credit_points_info').innerHTML = '2 credit points per course (minimum 5 days)';
        document.getElementById('credit_points_info').className = 'text-muted';
        document.getElementById('days_info').innerHTML = 'Minimum 5 working days required for credit points';
        document.getElementById('days_info').className = 'text-muted';
    }
});

// Handle form submission
document.getElementById('workshopFdpForm').addEventListener('submit', function(e) {
    e.preventDefault();
    
    const formData = new FormData(this);
    const isEdit = document.getElementById('workshop_fdp_id').value !== '';
    
    if (isEdit) {
        formData.append('_method', 'PUT');
    }
    
    fetch(this.action, {
        method: 'POST',
        body: formData,
        headers: {
            'X-CSRF-TOKEN': '{{ csrf_token() }}',
        },
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            location.reload();
        } else {
            alert('Error saving workshop/FDP/course: ' + (data.message || 'Unknown error'));
        }
    })
    .catch(error => {
        console.error('Error:', error);
        alert('Error saving workshop/FDP/course');
    });
});
</script>

<style>
.card {
    border: none;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.card-header {
    background-color: #f8f9fc;
    border-bottom: 1px solid #e3e6f0;
}

.table th {
    background-color: #f8f9fc;
    border-color: #e3e6f0;
    font-weight: 600;
    color: #5a5c69;
    font-size: 0.875rem;
}

.table td {
    vertical-align: middle;
    font-size: 0.875rem;
}

.table-warning {
    background-color: rgba(255, 193, 7, 0.1);
}

.btn-group .btn {
    margin-right: 2px;
}

.badge {
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
}

.badge-success {
    background-color: #28a745;
    color: white;
}

.badge-warning {
    background-color: #ffc107;
    color: #212529;
}

.modal-content {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.alert {
    border: none;
    border-radius: 0.5rem;
}
</style>
@endsection