@extends('admin.layouts.app')

@section('page-title', 'Add Container')

@section('content')
<style>
    .cm-add-wrapper { padding: 10px 0 20px 0; }
    .cm-add-header-card {
        border-radius: 14px;
        border: none;
        margin-bottom: 18px;
        background: linear-gradient(90deg,#4c6fff,#8e54e9);
        box-shadow: 0 6px 18px rgba(15,35,52,0.18);
        color: #ffffff;
    }
    .cm-add-header-card .card-body {
        padding: 14px 18px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }
    .cm-add-title { margin: 0; font-size: 20px; font-weight: 600; }
    .cm-add-sub { font-size: 12px; opacity: 0.9; }

    .cm-add-main-card {
        border-radius: 14px;
        border: none;
        box-shadow: 0 6px 18px rgba(15,35,52,0.12);
    }
    .cm-add-main-card .card-header {
        background:#ffffff;
        border-bottom: 1px solid #edf0f5;
        padding: 10px 18px;
    }
    .cm-add-main-card .card-header h5 {
        margin: 0;
        font-size: 16px;
        font-weight: 600;
    }

    .cm-form-label { font-size: 13px; font-weight: 500; color:#495057; margin-bottom: 4px; }
    .cm-form-control {
        font-size: 13px;
        border-radius: 10px;
        border:1px solid #d0d7e2;
        padding: 8px 11px;
    }
    .cm-form-control:focus {
        border-color:#4c6fff;
        box-shadow:0 0 0 0.15rem rgba(76,111,255,.25);
    }

    .cm-help-text { font-size: 11px; color:#868e96; margin-top: 2px; }
    .cm-btn-primary { border-radius: 20px; padding: 6px 22px; font-size: 13px; font-weight: 500; }
    .cm-btn-secondary { border-radius: 20px; padding: 6px 18px; font-size: 13px; }

    .error-card {
        border-radius: 12px;
        border: 1px solid #f5c2c7;
        box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    }

    .error-row-box {
        border: 1px solid #e9ecef;
        border-radius: 8px;
        padding: 10px;
        margin-bottom: 10px;
        background: #f8f9fa;
    }

    .error-title {
        font-weight: 600;
        font-size: 13px;
        margin-bottom: 6px;
    }

    .error-item {
        font-size: 12px;
        margin-left: 10px;
    }

    .error-item span {
        font-weight: 500;
    }
</style>

<div class="container-fluid cm-add-wrapper">

    <div class="card cm-add-header-card">
        <div class="card-body">
            <div>
                <h4 class="cm-add-title">Create New Container</h4>
                <div class="cm-add-sub">
                    Add container details and upload Kent loading list Excel file.
                </div>
            </div>
            <a href="{{ route('containers.index') }}" class="btn btn-light btn-sm">
                Back to Containers
            </a>
        </div>
    </div>

    <div class="card cm-add-main-card">
        <div class="card-header">
            <h5>Add Container</h5>
        </div>
        <div class="card-body">

            {{-- SUCCESS --}}
            @if (session('success'))
                <div class="alert alert-success">
                    {{ session('success') }}
                </div>
            @endif

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

            {{-- COMBINED ERROR PANEL (summary text) --}}
            @if(session('formula_errors') || session('mark_errors'))

                <div class="card error-card mb-3">
                    <div class="card-header bg-danger text-white small">
                        ⚠ Excel Validation Issues Found
                    </div>
                    <div class="card-body">
                        <div class="small mb-1">
                            Some rows in your Excel file have formula or mark issues.
                            See the table below, and detailed messages after the table.
                        </div>
                    </div>
                </div>

                {{-- 1) Excel-style table at top --}}
                @php
                    $formulaErrors = session('formula_errors') ?? [];
                    $markErrors    = session('mark_errors') ?? [];

                    $allRowsData = [];

                    foreach ($formulaErrors as $fe) {
                        if (!empty($fe['data'] ?? null)) {
                            $allRowsData[] = $fe['data'];
                        }
                    }

                    foreach ($markErrors as $me) {
                        if (!empty($me['data'] ?? null)) {
                            $allRowsData[] = $me['data'];
                        }
                    }

                    $headings = [];
                    if (!empty($allRowsData)) {
                        $headings = array_keys($allRowsData[0]);
                    }
                @endphp

                @if(!empty($headings))
                    <div class="card mb-3">
                        <div class="card-header small">
                            Error rows in Excel view
                        </div>
                        <div class="card-body p-2">
                            <div class="table-responsive" style="max-height:260px; overflow:auto;">
                                <table class="table table-sm table-bordered mb-0" style="font-size:11.5px;">
                                    <thead class="table-light">
                                        <tr>
                                            <th>Excel Row</th>
                                            <th>Mark No</th>
                                            @foreach($headings as $head)
                                                <th>{{ $head }}</th>
                                            @endforeach
                                        </tr>
                                    </thead>
                                    <tbody>
                                        {{-- Formula error rows --}}
                                        @foreach($formulaErrors as $fe)
                                            @php
                                                $rowData = $fe['data'] ?? [];
                                            @endphp
                                            @if(!empty($rowData))
                                                <tr class="table-danger">
                                                    <td>{{ $fe['excel_row'] }}</td>
                                                    <td>{{ $fe['mark_no'] }}</td>
                                                    @foreach($headings as $head)
                                                        <td>{{ $rowData[$head] ?? '' }}</td>
                                                    @endforeach
                                                </tr>
                                            @endif
                                        @endforeach

                                        {{-- Mark error rows --}}
                                        @foreach($markErrors as $me)
                                            @php
                                                $rowData = $me['data'] ?? [];
                                            @endphp
                                            @if(!empty($rowData))
                                                <tr class="table-warning">
                                                    <td>{{ $me['excel_row'] }}</td>
                                                    <td>{{ $me['mark_no'] }}</td>
                                                    @foreach($headings as $head)
                                                        <td>{{ $rowData[$head] ?? '' }}</td>
                                                    @endforeach
                                                </tr>
                                            @endif
                                        @endforeach
                                    </tbody>
                                </table>
                            </div>
                        </div>
                    </div>
                @endif

                {{-- 2) Detailed per-row error boxes BELOW the table --}}
                <div class="card error-card mb-3">
                    <div class="card-header bg-light small">
                        Detailed error messages
                    </div>
                    <div class="card-body">

                        {{-- Formula Errors (detailed) --}}
                        @if(session('formula_errors'))
                            @foreach(session('formula_errors') as $fe)
                                <div class="error-row-box">
                                    <div class="error-title">
                                        Row {{ $fe['excel_row'] }}
                                        @if($fe['mark_no']) | Mark: {{ $fe['mark_no'] }} @endif
                                        @if($fe['description']) | {{ $fe['description'] }} @endif
                                    </div>

                                    @foreach($fe['errors'] as $field => $detail)
                                        <div class="error-item text-danger">
                                            ❌ <span>{{ $field }}</span> →
                                            Expected: {{ number_format($detail['expected'],4) }}
                                            | Got: {{ number_format($detail['actual'],4) }}
                                        </div>
                                    @endforeach
                                </div>
                            @endforeach
                        @endif

                        {{-- Mark Errors (detailed) --}}
                        @if(session('mark_errors'))
                            @foreach(session('mark_errors') as $me)
                                <div class="error-row-box bg-warning bg-opacity-10 border-warning">
                                    <div class="error-title">
                                        Row {{ $me['excel_row'] }}
                                    </div>
                                    <div class="error-item text-warning">
                                        ❌ Mark <strong>{{ $me['mark_no'] }}</strong> not found in database
                                    </div>
                                </div>
                            @endforeach
                        @endif

                    </div>
                </div>

            @endif

            {{-- FORM --}}
            @if (!session('formula_errors') && !session('mark_errors'))
                <form action="{{ route('containers.store') }}" method="POST" enctype="multipart/form-data" class="mt-3">
                    @csrf

                    <div class="row g-3">
                        <div class="col-md-6">
                            <label class="cm-form-label">Container Name</label>
                            <input type="text" name="container_name"
                                   class="form-control cm-form-control"
                                   value="{{ old('container_name') }}"
                                   placeholder="Enter container name">
                        </div>

                        <div class="col-md-6">
                            <label class="cm-form-label">Container Number</label>
                            <input type="text" name="container_number"
                                   class="form-control cm-form-control"
                                   value="{{ old('container_number') }}"
                                   placeholder="Enter container number">
                        </div>

                        <div class="col-md-6">
                            <label class="cm-form-label">Container Date</label>
                            <input type="date" name="container_date"
                                   class="form-control cm-form-control"
                                   value="{{ old('container_date') }}">
                        </div>

                        <div class="col-md-6">
                            <label class="cm-form-label">Loading List Excel</label>
                            <input type="file" name="excel_file"
                                   class="form-control cm-form-control"
                                   accept=".xls,.xlsx">
                            <div class="cm-help-text">
                                Upload Kent loading list Excel file (.xls / .xlsx).
                            </div>
                        </div>
                    </div>

                    <div class="mt-4 d-flex gap-2">
                        <button type="submit" class="btn btn-primary cm-btn-primary">
                            Save Container
                        </button>
                        <a href="{{ route('containers.index') }}" class="btn btn-outline-secondary cm-btn-secondary">
                            Cancel
                        </a>
                    </div>
                </form>
            @endif

        </div>
    </div>
</div>
@endsection