@extends('layouts.app')

@section('title', 'Dashboard - Terminal Operating System')

@section('content')
<div class="row mb-4">
    <div class="col-md-3">
        <div class="card bg-primary text-white">
            <div class="card-body">
                <div class="d-flex justify-content-between align-items-center">
                    <div>
                        <h6 class="card-title mb-0">Total Containers</h6>
                        <h2 class="mb-0">{{ $totalContainers }}</h2>
                    </div>
                    <i class="fas fa-box fa-3x opacity-50"></i>
                </div>
            </div>
        </div>
    </div>
    <div class="col-md-3">
        <div class="card bg-success text-white">
            <div class="card-body">
                <div class="d-flex justify-content-between align-items-center">
                    <div>
                        <h6 class="card-title mb-0">Occupied Positions</h6>
                        <h2 class="mb-0">{{ $occupiedPositions }}</h2>
                    </div>
                    <i class="fas fa-cube fa-3x opacity-50"></i>
                </div>
            </div>
        </div>
    </div>
    <div class="col-md-3">
        <div class="card bg-info text-white">
            <div class="card-body">
                <div class="d-flex justify-content-between align-items-center">
                    <div>
                        <h6 class="card-title mb-0">Terminals</h6>
                        <h2 class="mb-0">{{ $totalTerminals }}</h2>
                    </div>
                    <i class="fas fa-warehouse fa-3x opacity-50"></i>
                </div>
            </div>
        </div>
    </div>
    <div class="col-md-3">
        <div class="card bg-warning text-white">
            <div class="card-body">
                <div class="d-flex justify-content-between align-items-center">
                    <div>
                        <h6 class="card-title mb-0">Ships</h6>
                        <h2 class="mb-0">{{ $totalShips }}</h2>
                    </div>
                    <i class="fas fa-ship fa-3x opacity-50"></i>
                </div>
            </div>
        </div>
    </div>
</div>

<div class="row mb-4">
    <div class="col-md-4">
        <div class="card">
            <div class="card-header bg-dark text-white">
                <h5 class="mb-0">Containers by Type</h5>
            </div>
            <div class="card-body">
                <canvas id="containerTypeChart"></canvas>
            </div>
        </div>
    </div>
    <div class="col-md-4">
        <div class="card">
            <div class="card-header bg-dark text-white">
                <h5 class="mb-0">Containers by Size</h5>
            </div>
            <div class="card-body">
                <canvas id="containerSizeChart"></canvas>
            </div>
        </div>
    </div>
    <div class="col-md-4">
        <div class="card">
            <div class="card-header bg-dark text-white">
                <h5 class="mb-0">Container Status</h5>
            </div>
            <div class="card-body">
                <canvas id="containerStatusChart"></canvas>
            </div>
        </div>
    </div>
</div>

<div class="row mb-4">
    <div class="col-md-6">
        <div class="card">
            <div class="card-header bg-dark text-white">
                <h5 class="mb-0">Recent Terminals</h5>
            </div>
            <div class="table-responsive">
                <table class="table table-hover mb-0">
                    <thead>
                        <tr>
                            <th>Name</th>
                            <th>Type</th>
                            <th>Status</th>
                            <th>Ships</th>
                        </tr>
                    </thead>
                    <tbody>
                        @forelse($terminals->take(5) as $terminal)
                            <tr>
                                <td>
                                    <a href="{{ route('terminals.show', $terminal) }}">
                                        {{ $terminal->name }}
                                    </a>
                                </td>
                                <td><span class="badge bg-secondary">{{ $terminal->type }}</span></td>
                                <td>
                                    <span class="badge bg-{{ $terminal->status === 'active' ? 'success' : 'danger' }}">
                                        {{ ucfirst($terminal->status) }}
                                    </span>
                                </td>
                                <td>{{ $terminal->ships->count() }}</td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="4" class="text-center py-3">No terminals found</td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    <div class="col-md-6">
        <div class="card">
            <div class="card-header bg-dark text-white">
                <h5 class="mb-0">Recent Ships</h5>
            </div>
            <div class="table-responsive">
                <table class="table table-hover mb-0">
                    <thead>
                        <tr>
                            <th>Name</th>
                            <th>Status</th>
                            <th>Capacity</th>
                            <th>Load</th>
                        </tr>
                    </thead>
                    <tbody>
                        @forelse($ships->take(5) as $ship)
                            <tr>
                                <td>
                                    <a href="{{ route('ships.show', $ship) }}">
                                        {{ $ship->name }}
                                    </a>
                                </td>
                                <td>
                                    <span class="badge bg-{{ $ship->status === 'in_port' ? 'info' : ($ship->status === 'loading' ? 'warning' : 'secondary') }}">
                                        {{ ucfirst(str_replace('_', ' ', $ship->status)) }}
                                    </span>
                                </td>
                                <td>{{ $ship->capacity }}</td>
                                <td>{{ $ship->current_load }} / {{ $ship->capacity }}</td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="4" class="text-center py-3">No ships found</td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>
        </div>
    </div>
</div>

<div class="row">
    <div class="col-md-12">
        <div class="card">
            <div class="card-header bg-dark text-white">
                <h5 class="mb-0">Terminal Capacity Utilization</h5>
            </div>
            <div class="card-body">
                <div class="table-responsive">
                    <table class="table table-hover">
                        <thead>
                            <tr>
                                <th>Terminal</th>
                                <th>Capacity</th>
                                <th>Current Load</th>
                                <th>Utilization</th>
                            </tr>
                        </thead>
                        <tbody>
                            @forelse($terminalCapacity as $terminal)
                                @php
                                    $utilization = $terminal->capacity > 0 ? round(($terminal->current_load / $terminal->capacity) * 100, 2) : 0;
                                    $badgeColor = $utilization > 80 ? 'danger' : ($utilization > 60 ? 'warning' : 'success');
                                @endphp
                                <tr>
                                    <td>{{ $terminal->name }}</td>
                                    <td>{{ $terminal->capacity }}</td>
                                    <td>{{ $terminal->current_load }}</td>
                                    <td>
                                        <div class="d-flex align-items-center">
                                            <div class="progress flex-grow-1 me-2" style="height: 20px;">
                                                <div class="progress-bar bg-{{ $badgeColor }}" role="progressbar" style="width: {{ $utilization }}%;">
                                                </div>
                                            </div>
                                            <span class="badge bg-{{ $badgeColor }}">{{ $utilization }}%</span>
                                        </div>
                                    </td>
                                </tr>
                            @empty
                                <tr>
                                    <td colspan="4" class="text-center py-3">No terminal data available</td>
                                </tr>
                            @endforelse
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
</div>

@push('js')
<script>
document.addEventListener('DOMContentLoaded', function() {
    // Container Type Chart
    const typeCtx = document.getElementById('containerTypeChart').getContext('2d');
    new Chart(typeCtx, {
        type: 'doughnut',
        data: {
            labels: {!! json_encode($containersByType->keys()) !!},
            datasets: [{
                data: {!! json_encode($containersByType->values()) !!},
                backgroundColor: [
                    '#007bff',
                    '#28a745',
                    '#ffc107',
                    '#dc3545'
                ]
            }]
        },
        options: {
            responsive: true,
            plugins: {
                legend: {
                    position: 'bottom'
                }
            }
        }
    });

    // Container Size Chart
    const sizeCtx = document.getElementById('containerSizeChart').getContext('2d');
    new Chart(sizeCtx, {
        type: 'bar',
        data: {
            labels: {!! json_encode($containersBySize->keys()) !!},
            datasets: [{
                label: 'Containers',
                data: {!! json_encode($containersBySize->values()) !!},
                backgroundColor: '#17a2b8'
            }]
        },
        options: {
            responsive: true,
            scales: {
                y: {
                    beginAtZero: true
                }
            }
        }
    });

    // Container Status Chart
    const statusCtx = document.getElementById('containerStatusChart').getContext('2d');
    new Chart(statusCtx, {
        type: 'pie',
        data: {
            labels: {!! json_encode($containersByStatus->keys()) !!},
            datasets: [{
                data: {!! json_encode($containersByStatus->values()) !!},
                backgroundColor: [
                    '#6c757d',
                    '#28a745',
                    '#ffc107',
                    '#dc3545'
                ]
            }]
        },
        options: {
            responsive: true,
            plugins: {
                legend: {
                    position: 'bottom'
                }
            }
        }
    });
});
</script>
@endpush
@endsection