@extends('layout.pcbms')

@section('title', 'Update')

@push('styles')
    <style>
        /* BASE LAYOUT (1400px and up): No scrollbars, spreads naturally across the screen */
        .horizontal-timeline {
            display: block;
            width: 100%;
            padding-top: 2rem;
            padding-bottom: 1rem;
        }

        .timeline-track {
            position: relative;
            display: flex;
            justify-content: space-between;
            gap: 1.5rem;
            width: 100%;
        }

        .timeline-track::before {
            content: '';
            position: absolute;
            top: 10px;
            left: 0;
            right: 0;
            height: 2px;
            background: #dee2e6;
            z-index: 0;
        }

        .timeline-step {
            position: relative;
            flex: 1; /* Steps divide the space evenly on huge screens */
            text-align: center;
            z-index: 1;
        }

        .timeline-dot {
            width: 20px;
            height: 20px;
            background: #0d6efd;
            border: 4px solid #fff;
            border-radius: 50%;
            margin: 0 auto 15px;
            box-shadow: 0 0 0 3px #0d6efd;
        }

        .timeline-step .card {
            max-width: 280px;
            margin: auto;
        }

        /* RESPONSIVE LAYOUT (Below 1400px - Bootstrap XXL breakpoint): Triggers horizontal scroll */
        @media (max-width: 1399.98px) {
            .horizontal-timeline {
                overflow-x: auto;
                white-space: nowrap;
                /* Optional: Styled subtle scrollbar for better appearance */
                scrollbar-width: thin; 
            }

            .timeline-track {
                display: inline-flex;
                width: auto;
                min-width: 100%;
                padding: 0 1rem;
                gap: 2rem;
            }

            .timeline-step {
                flex: 0 0 280px; /* Locks the card width so they don't squish while scrolling */
                display: inline-block;
                vertical-align: top;
                white-space: normal; /* Permits input text/labels inside cards to wrap */
            }
        }

        /* MOBILE LAYOUT (Optional: Below 576px): Turn into a vertical list if horizontal scroll feels too cramped on small phones */
        @media (max-width: 575.98px) {
            .horizontal-timeline {
                overflow-x: visible;
            }
            
            .timeline-track {
                display: flex;
                flex-direction: column;
                gap: 1.5rem;
            }

            .timeline-track::before {
                display: none; /* Hide horizontal connector line */
            }

            .timeline-step {
                flex: 1 1 auto;
                max-width: 100%;
            }
        }
    </style>
@endpush

@section('content')
    <div class="container-xxl py-4">
        <!-- Form Header & Navigation Link -->
        <div class="mb-4">
            <h2 class="fw-bold text-dark mb-2">Update Contract Phase</h2>
            <p class="text-muted">View complete contract information and status.</p>
        </div>

        <!-- Error State -->
        <div id="errorState" style="display: none;">
            <div class="alert alert-danger alert-dismissible fade show" role="alert">
                <h5 class="alert-heading mb-2"><i class="bi bi-exclamation-triangle me-2"></i>Error Loading Contract</h5>
                <p id="errorMessage" class="mb-3"></p>
                <a href="{{ route('project-contract-phase.index') }}" class="btn btn-outline-danger btn-sm">
                    <i class="bi bi-arrow-left"></i> Back to List
                </a>
            </div>
        </div>

        <!-- Content State -->
        <div id="contentState" style="display: none;">
            <!-- Section 1: Contract Information -->
            <div class="row g-3 mb-4">
                <div class="col-12 col-md-8">
                    <div class="card shadow-sm border-0">
                        <div class="card-header border-bottom" style="background-color: #DDEBFF;">
                            <span class="card-title mb-0 text-primary fw-bold">
                                Contract Information
                            </span>
                        </div>
                        <div class="card-body">
                            <div class="row g-3">
                                <div class="col-12 col-md-4">
                                    <label class="form-label fw-semibold text-dark">Project Name</label>
                                    <p class="text-dark mb-0" id="projectName">-</p>
                                </div>
                                
                                <div class="col-12 col-md-4 align-content-center">
                                    <div id="phaseContainer"></div>
                                </div>
                            </div>

                            <hr class="border">

                            <div class="row g-3">
                                <div class="col-12 col-md-4">
                                    <label class="form-label fw-semibold text-dark">Contract Number</label>
                                    <p class="text-dark mb-0" id="contractNumber">-</p>
                                </div>
                                
                                <div class="col-12 col-md-4">
                                    <label class="form-label fw-semibold text-dark">Contract Amount</label>
                                    <p class="text-dark mb-0" id="contractAmount">-</p>
                                </div>

                                <div class="col-12 col-md-4">
                                    <label class="form-label fw-semibold text-dark">Supplier</label>
                                    <p class="text-dark mb-0" id="supplierName">-</p>
                                </div>
                            </div>

                            <hr class="border">

                            <div class="row g-3">                                
                                <div class="col-12 col-md-6">
                                    <label class="form-label fw-semibold text-dark">Status Updated</label>
                                    <p class="text-dark mb-0" id="statusUpdated">-</p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                <div class="col-12 col-md-4">
                    <div class="card shadow-sm border-0 h-100">
                        <div class="card-header border-bottom" style="background-color: #DDEBFF;">
                            <span class="card-title mb-0 text-primary fw-bold">
                                Lot Details
                            </span>
                        </div>
                        <div class="card-body">                           
                            <div class="row g-3">
                                <div class="col-12 col-md-6">
                                    
                                    <label class="form-label fw-semibold text-dark">Region</label>
                                    <p class="text-dark mb-0" id="region">-</p>                                    
                                </div>
                                <div class="col-12 col-md-6">
                                    <label class="form-label fw-semibold text-dark">Lot</label>
                                    <p class="text-dark mb-0" id="lot">-</p>
                                </div>                                
                            </div>
                            
                            <hr class="border">

                            <div class="row g-3">
                                <div class="col-12 col-md-6">
                                    <label class="form-label fw-semibold text-dark">Grade Level</label>
                                    <p class="text-dark mb-0" id="gradeLevel">-</p>
                                </div>
                                <div class="col-12 col-md-6">
                                    <label class="form-label fw-semibold text-dark">Learning Area</label>
                                    <p class="text-dark mb-0" id="learningArea">-</p>
                                </div>                             
                            </div>

                            <hr class="border">

                            <div class="row g-3"  id="txQtyContainer">
                                <!-- Added id="txQtyContainer" -->
                                <div class="col-12 col-md-6">
                                    <label class="form-label fw-semibold text-dark">TX Quantity</label>
                                    <p class="text-dark mb-0" id="txQty">0</p>
                                </div>
                                <!-- Added id="tmQtyContainer" -->
                                <div class="col-12 col-md-6">
                                    <label class="form-label fw-semibold text-dark">TM Quantity</label>
                                    <p class="text-dark mb-0" id="tmQty">0</p>
                                </div>
                            </div>
                            
                            
                            <div class="row g-3">
                                <!-- Added id="klpQtyContainer" -->
                                <div class="col-12 col-md-6" id="klpQtyContainer">
                                    <label class="form-label fw-semibold text-dark">KLP Quantity</label>
                                    <p class="text-dark mb-0" id="klpQty">0</p>
                                </div>

                                <!-- Added id="kwQtyContainer" -->
                                <div class="col-12 col-md-6" id="kwQtyContainer">
                                    <label class="form-label fw-semibold text-dark">KW Quantity</label>
                                    <p class="text-dark mb-0" id="kwQty">0</p>
                                </div>
                            </div>                            

                        </div>
                    </div>
                </div>
            </div>

            <!-- Section 2: Quantity Information -->
            <div class="row g-3 mb-4">
                <div class="col-12">
                    <div class="card shadow-sm border-0">
                        <div class="card-header border-bottom" style="background-color: #DDEBFF;">
                            <span class="card-title mb-0 text-primary fw-bold">
                                Phase Status
                            </span>
                        </div>
            
                        <div class="card-body pb-5">
                            <div class="horizontal-timeline">
                                
                            </div>
                        </div>
            
                    </div>
                </div>
            </div>


            <!-- Action Buttons -->
            <div class="d-flex justify-content-end gap-2 mt-4">
                <button type="button" class="btn">
                    <a href="{{ route('contracts.index') }}" class="text-primary text-decoration-none">Back</a>
                </button>
                <button type="button" class="btn btn-primary px-4" onclick="editContract()">
                    Update
                </button>
            </div>
        </div>
    </div>
@endsection

@push('scripts')
   <script src="{{ asset('assets/js/pbcems/project-contract-tracker/update.js') }}"></script>
@endpush