@extends('layouts.superadmin')

@section('title', 'Rack Management')
@section('page-title', 'Rack Management')

@section('content')
    <div class="container-fluid">

        {{-- Page header + actions --}}
        <div class="row mb-3">
            <div class="col-12">
                <div class="d-flex flex-column flex-md-row justify-content-between align-items-md-center gap-2">
                    <div>
                        <h3 class="mb-0">Rack Management</h3>
                        <small class="text-muted">Manage bin locations via CSV upload and bulk actions.</small>
                    </div>
                    <div class="d-flex flex-wrap gap-2">
                        <a href="{{ route('superadmin.racks.dump') }}" class="btn btn-success">
                            <i class="bi bi-download me-1"></i> Dump bin location
                        </a>
                        <button type="button" class="btn btn-outline-secondary" data-bs-toggle="modal"
                            data-bs-target="#csvFormatModal">
                            <i class="bi bi-info-circle me-1"></i> View CSV Format details
                        </button>
                    </div>
                </div>
            </div>
        </div>

        {{-- Alerts (success / error) --}}
        <div class="row">
            <div class="col-12">
                @if(session('success'))
                    <div class="alert alert-success alert-dismissible fade show" role="alert">
                        {{ session('success') }}
                        <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
                    </div>
                @endif
                @if(session('error'))
                    <div class="alert alert-danger alert-dismissible fade show" role="alert">
                        {{ session('error') }}
                        <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
                    </div>
                @endif
            </div>
        </div>

        {{-- Upload card --}}
        <div class="row">
            <div class="col-12">
                <div class="card shadow-sm mb-4">
                    <div class="card-header d-flex justify-content-between align-items-center">
                        <span class="fw-semibold">Upload Bin Locations CSV</span>
                        <small class="text-muted">Bulk create / update / delete racks</small>
                    </div>
                    <div class="card-body">
                        <form action="{{ route('superadmin.racks.upload') }}" method="POST" enctype="multipart/form-data">
                            @csrf
                            <div class="row g-3 align-items-end">
                                <div class="col-md-6">
                                    <label for="csv_file" class="form-label">CSV File</label>
                                    <input type="file" class="form-control" id="csv_file" name="csv_file" accept=".csv"
                                        required>
                                    <small class="text-muted d-block mt-1">
                                        You can upload either the standard format
                                        (<code>Bin Name, Sequence, ...</code>) or the dumped CSV with an
                                        <strong>Action</strong> column (<code>new</code>, <code>update</code>,
                                        <code>delete</code>).
                                    </small>
                                </div>
                                <div class="col-md-3 d-grid">
                                    <button type="submit" class="btn btn-primary">
                                        <i class="bi bi-upload me-1"></i> Upload CSV
                                    </button>
                                </div>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>

        {{-- Bin locations list --}}
        <div class="row">
            <div class="col-12">
                <div class="card shadow-sm">
                    <div class="card-header d-flex justify-content-between align-items-center">
                        <span class="fw-semibold">Bin Locations List</span>
                        <small class="text-muted">
                            Total: {{ isset($bins) ? $bins->count() : 0 }}
                        </small>
                    </div>
                    <div class="card-body p-0">
                        @if(isset($bins) && $bins->count())
                            <div class="table-responsive">
                                <table class="table table-striped table-hover mb-0 align-middle">
                                    <thead class="table-light">
                                        <tr>
                                            <th>Bin Name</th>
                                            <th>Sequence</th>
                                            <th>Location</th>
                                            <th>Status</th>
                                        </tr>
                                    </thead>
                                    <tbody>
                                        @foreach($bins as $bin)
                                            <tr>
                                                <td class="fw-semibold">{{ $bin->bin_name }}</td>
                                                <td>{{ $bin->sequence }}</td>
                                                <td>
                                                    @if($bin->location)
                                                        {{ $bin->location->name }}
                                                        @if($bin->location->code)
                                                            <span class="text-muted">({{ $bin->location->code }})</span>
                                                        @endif
                                                    @else
                                                        <span class="text-muted">-</span>
                                                    @endif
                                                </td>
                                                <td>
                                                    @if($bin->status)
                                                        @php
                                                            $badgeClass = match (strtolower($bin->status)) {
                                                                'fastmoving' => 'bg-success',
                                                                'slowmoving' => 'bg-warning text-dark',
                                                                'overflow' => 'bg-secondary',
                                                                default => 'bg-dark',
                                                            };
                                                        @endphp
                                                        <span class="badge {{ $badgeClass }}">
                                                            @if(strtolower($bin->status) === 'fastmoving')
                                                                Pickphase
                                                            @else
                                                                {{ ucfirst($bin->status) }}
                                                            @endif
                                                        </span>
                                                    @else
                                                        <span class="text-muted">-</span>
                                                    @endif
                                                </td>
                                            </tr>
                                        @endforeach
                                    </tbody>
                                </table>
                            </div>
                        @else
                            <div class="p-3">
                                <p class="text-muted mb-0">No bin locations found. Upload a CSV to get started.</p>
                            </div>
                        @endif
                    </div>
                </div>
            </div>
        </div>
    </div>

    {{-- CSV Format Modal --}}
    <div class="modal fade" id="csvFormatModal" tabindex="-1" aria-hidden="true">
        <div class="modal-dialog modal-xl modal-dialog-scrollable">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title">Racks CSV File Structure</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>
                <div class="modal-body">

                    <h6 class="mb-3">CSV Columns</h6>
                    <div class="table-responsive mb-3">
                        <table class="table table-bordered align-middle">
                            <thead class="table-light">
                                <tr>
                                    <th>Column</th>
                                    <th>Description</th>
                                    <th>Example</th>
                                    <th>Required</th>
                                </tr>
                            </thead>
                            <tbody>
                                <tr>
                                    <td>Action</td>
                                    <td>Operation for this row when importing a dumped CSV</td>
                                    <td>new, update, delete</td>
                                    <td><span class="badge bg-secondary">Optional</span></td>
                                </tr>
                                <tr>
                                    <td>Bin Name</td>
                                    <td>Unique bin/rack identifier</td>
                                    <td>A-001, B-002, C-003</td>
                                    <td><span class="badge bg-danger">Yes</span></td>
                                </tr>
                                <tr>
                                    <td>Sequence</td>
                                    <td>Numeric sequence for ordering</td>
                                    <td>1, 2, 3, 4</td>
                                    <td><span class="badge bg-danger">Yes</span></td>
                                </tr>
                                <tr>
                                    <td>Status</td>
                                    <td>Bin status type</td>
                                    <td>fastmoving, slowmoving, overflow</td>
                                    <td><span class="badge bg-secondary">Optional</span></td>
                                </tr>
                                <tr>
                                    <td>min_qty</td>
                                    <td>Minimum quantity threshold (can be omitted from CSV)</td>
                                    <td>10, 15, 20</td>
                                    <td><span class="badge bg-secondary">Optional</span></td>
                                </tr>
                                <tr>
                                    <td>max_qty</td>
                                    <td>Maximum quantity capacity (can be omitted from CSV)</td>
                                    <td>100, 150, 200</td>
                                    <td><span class="badge bg-secondary">Optional</span></td>
                                </tr>
                                <tr>
                                    <td>Location ID</td>
                                    <td>Associated location ID (leave empty if none)</td>
                                    <td>1, 2, 3</td>
                                    <td><span class="badge bg-secondary">Optional</span></td>
                                </tr>
                            </tbody>
                        </table>
                    </div>

                    <div class="alert alert-info">
                        <strong>Status Options:</strong>
                        <ul class="mb-0">
                            <li><strong>fastmoving:</strong> High-turnover items (also mapped from "pick phase")</li>
                            <li><strong>slowmoving:</strong> Low-turnover items</li>
                            <li><strong>overflow:</strong> Excess inventory storage</li>
                        </ul>
                    </div>

                    <h6 class="mt-4">Minimal Format (Required columns only, legacy):</h6>
                    <pre class="bg-light p-3 mb-3">Bin Name,Sequence
                    A-001,1
                    A-002,2
                    A-003,3
                    A-004,4
                    B-001,5</pre>
                    <h6 class="mt-3">Full Format (Dumped CSV with Action):</h6>
                    <pre class="bg-light p-3 mb-0">Bin Name,Sequence,Status,Location ID,Action
                    A-001,1,fastmoving,1,
                    A-002,2,fastmoving,1,update
                    A-003,3,slowmoving,1,delete
                    A-010,10,overflow,2,new</pre>

                    <div class="alert alert-warning mt-3 mb-0">
                        <strong>Note:</strong> When "Action" is:
                        <ul class="mb-0">
                            <li><strong>new / update</strong> → row is upserted by <strong>Bin Name</strong></li>
                            <li><strong>delete</strong> → row is deleted by <strong>Bin Name</strong></li>
                            <li><strong>empty</strong> → row is skipped</li>
                        </ul>
                    </div>

                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
                </div>
            </div>
        </div>
    </div>
@endsection