@extends('layouts.app')

@section('title', 'New Container Plan')

@section('breadcrumbs')
<nav aria-label="breadcrumb">
    <ol class="breadcrumb">
        <li class="breadcrumb-item"><a href="{{ route('export.dashboard') }}">Export</a></li>
        <li class="breadcrumb-item"><a href="{{ route('export.container-planning.index') }}">Container Planning</a></li>
        <li class="breadcrumb-item active">Create</li>
    </ol>
</nav>
@endsection

@section('content')
<div class="d-flex justify-content-between align-items-center mb-4">
    <div><h1 class="h3 mb-1 text-dark fw-semibold">New Container Plan</h1><p class="text-muted mb-0">Visual container loading interface</p></div>
    <a href="{{ route('export.container-planning.index') }}" class="btn btn-outline-secondary"><i class="bi bi-arrow-left me-1"></i> Back</a>
</div>

<form action="{{ route('export.container-planning.store') }}" method="POST">
    @csrf
    <div class="card border-0 shadow-sm mb-4">
        <div class="card-header bg-white py-3"><h5 class="mb-0 fw-semibold"><i class="bi bi-info-circle me-2 text-primary"></i>Plan Details</h5></div>
        <div class="card-body">
            <div class="row g-3">
                <div class="col-md-3">
                    <label class="form-label fw-medium">Export Order <span class="text-danger">*</span></label>
                    <select name="order_id" class="form-select" required>
                        <option value="">Select Order</option>
                        @foreach($orders as $o)<option value="{{ $o->id }}" {{ request('order_id') == $o->id ? 'selected' : '' }}>{{ $o->order_number }} - {{ $o->customer->name ?? '' }}</option>@endforeach
                    </select>
                </div>
                <div class="col-md-3">
                    <label class="form-label fw-medium">Container Number</label>
                    <input type="text" name="container_number" class="form-control" placeholder="e.g., MSCU1234567">
                </div>
                <div class="col-md-2">
                    <label class="form-label fw-medium">Size</label>
                    <select name="container_size" class="form-select">
                        <option value="20">20'</option>
                        <option value="40">40'</option>
                        <option value="40hc">40' HC</option>
                    </select>
                </div>
                <div class="col-md-2">
                    <label class="form-label fw-medium">Tare Weight (MT)</label>
                    <input type="number" step="0.001" name="tare_weight" class="form-control" value="2.300">
                </div>
                <div class="col-md-2">
                    <label class="form-label fw-medium">Max Payload (MT)</label>
                    <input type="number" step="0.001" name="max_payload" class="form-control" value="28.000">
                </div>
                <div class="col-md-2">
                    <label class="form-label fw-medium">Max Volume (CBM)</label>
                    <input type="number" step="0.001" name="max_volume" class="form-control" value="33.000">
                </div>
            </div>
        </div>
    </div>

    <div class="card border-0 shadow-sm mb-4">
        <div class="card-header bg-white py-3 d-flex justify-content-between">
            <h5 class="mb-0 fw-semibold"><i class="bi bi-box-seam me-2 text-primary"></i>Container Loading</h5>
            <button type="button" class="btn btn-sm btn-outline-primary" id="addLoadingItem"><i class="bi bi-plus-lg me-1"></i>Add Item</button>
        </div>
        <div class="card-body">
            <div class="row g-3 mb-4">
                <div class="col-md-3">
                    <div class="card bg-primary-subtle border-0">
                        <div class="card-body text-center">
                            <h6 class="text-muted mb-1">Total Weight</h6>
                            <h4 class="mb-0 fw-bold text-primary" id="totalWeight">0.000 MT</h4>
                        </div>
                    </div>
                </div>
                <div class="col-md-3">
                    <div class="card bg-success-subtle border-0">
                        <div class="card-body text-center">
                            <h6 class="text-muted mb-1">Total Volume</h6>
                            <h4 class="mb-0 fw-bold text-success" id="totalVolume">0.000 CBM</h4>
                        </div>
                    </div>
                </div>
                <div class="col-md-3">
                    <div class="card bg-warning-subtle border-0">
                        <div class="card-body text-center">
                            <h6 class="text-muted mb-1">Weight Utilization</h6>
                            <div class="progress mt-2" style="height:8px"><div class="progress-bar bg-warning" id="weightUtil" style="width:0%"></div></div>
                            <small class="text-muted" id="weightPct">0%</small>
                        </div>
                    </div>
                </div>
                <div class="col-md-3">
                    <div class="card bg-info-subtle border-0">
                        <div class="card-body text-center">
                            <h6 class="text-muted mb-1">Volume Utilization</h6>
                            <div class="progress mt-2" style="height:8px"><div class="progress-bar bg-info" id="volumeUtil" style="width:0%"></div></div>
                            <small class="text-muted" id="volumePct">0%</small>
                        </div>
                    </div>
                </div>
            </div>

            <div class="table-responsive">
                <table class="table table-hover align-middle" id="loadingTable">
                    <thead class="bg-light">
                        <tr><th>Product</th><th>Description</th><th class="text-end">Qty</th><th class="text-end">Weight (MT)</th><th class="text-end">Volume (CBM)</th><th class="text-end">No. of Packages</th><th></th></tr>
                    </thead>
                    <tbody id="loadingBody">
                        <tr class="empty-row" id="emptyLoading"><td colspan="7" class="text-center py-4 text-muted">Add items to plan container loading</td></tr>
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    <div class="d-flex justify-content-end gap-2 mb-5">
        <a href="{{ route('export.container-planning.index') }}" class="btn btn-outline-secondary">Cancel</a>
        <button type="submit" class="btn btn-primary"><i class="bi bi-check-lg me-1"></i> Save Plan</button>
    </div>
</form>

@push('scripts')
<script>
document.addEventListener('DOMContentLoaded', function() {
    let idx = 0;
    const maxWeight = 28.000, maxVolume = 33.000;

    document.getElementById('addLoadingItem').addEventListener('click', function() {
        idx++;
        const empty = document.getElementById('emptyLoading');
        if (empty) empty.remove();
        document.getElementById('loadingBody').insertAdjacentHTML('beforeend',
            `<tr class="loading-row">
                <td><select name="items[${idx}][product_id]" class="form-select form-select-sm"><option value="">Select</option>@foreach($products ?? [] as $p)<option value="{{ $p->id }}">{{ $p->name }}</option>@endforeach</select></td>
                <td><input type="text" name="items[${idx}][description]" class="form-control form-control-sm"></td>
                <td><input type="number" step="0.01" name="items[${idx}][quantity]" class="form-control form-control-sm text-end load-qty"></td>
                <td><input type="number" step="0.001" name="items[${idx}][weight]" class="form-control form-control-sm text-end load-weight"></td>
                <td><input type="number" step="0.001" name="items[${idx}][volume]" class="form-control form-control-sm text-end load-volume"></td>
                <td><input type="number" name="items[${idx}][packages]" class="form-control form-control-sm text-end"></td>
                <td><button type="button" class="btn btn-sm btn-outline-danger remove-load"><i class="bi bi-trash"></i></button></td>
            </tr>`
        );
    });

    document.getElementById('loadingBody').addEventListener('click', function(e) {
        if (e.target.closest('.remove-load')) { e.target.closest('tr').remove(); updateSummary(); }
    });

    document.getElementById('loadingBody').addEventListener('input', updateSummary);

    function updateSummary() {
        let tw = 0, tv = 0;
        document.querySelectorAll('.load-weight').forEach(el => tw += parseFloat(el.value) || 0);
        document.querySelectorAll('.load-volume').forEach(el => tv += parseFloat(el.value) || 0);
        document.getElementById('totalWeight').textContent = tw.toFixed(3) + ' MT';
        document.getElementById('totalVolume').textContent = tv.toFixed(3) + ' CBM';
        const wp = Math.min(100, (tw / maxWeight * 100)).toFixed(1);
        const vp = Math.min(100, (tv / maxVolume * 100)).toFixed(1);
        document.getElementById('weightUtil').style.width = wp + '%';
        document.getElementById('weightPct').textContent = wp + '%';
        document.getElementById('volumeUtil').style.width = vp + '%';
        document.getElementById('volumePct').textContent = vp + '%';
    }
});
</script>
@endpush
@endsection