@extends('layouts.app')
@section('title', 'Itinerary (Sales Visits)')

@section('content')
    {{-- Fixed Top Action Bar --}}
    <div class="fixed-action-bar d-flex align-items-center justify-content-between">
        <div class="fw-semibold fixed-nav-title">Itinerary</div>

        <div class="d-flex align-items-center">         
            {{-- Export Button Form --}}
            <form action="{{ route('csm.itinerary.export') }}" method="GET" style="display:inline;">
                <input type="hidden" name="search" value="{{ request('search') }}">
                <input type="hidden" name="user_id" value="{{ request('user_id') }}">
                <input type="hidden" name="status" value="{{ request('status') }}">
                <input type="hidden" name="date_range" value="{{ request('date_range') }}">
                {{-- Include new 'display_past_itinerary' hidden field for export --}}
                <input type="hidden" name="display_past_itinerary" value="{{ request('display_past_itinerary') }}">
                <button type="submit" class="btn btn-link p-0 m-0 align-middle" data-toggle="tooltip"
                    title="Export to Excel" style="border:none; background:none;">
                    <i class="fa-solid fa-file-excel fixed-nav-btn fixed-nav-btn-active p-1 d-inline-flex align-items-center justify-content-center mx-1"></i>
                </button>
            </form>

            {{-- <i data-toggle="tooltip" data-placement="top" title="Refresh" onclick="window.location.reload();"
               class="fa-solid fa-rotate-right fixed-nav-btn rounded-5 p-1 d-inline-flex align-items-center justify-content-center mx-1" style="cursor: pointer;"></i> --}}
            <i class="fa-regular fa-plus fixed-nav-btn p-1 d-inline-flex align-items-center justify-content-center"
               data-toggle="tooltip" title="Add"></i>
               <i class="fa-regular fa-save fixed-nav-btn rounded-5 p-1 d-inline-flex align-items-center justify-content-center mx-1"
                data-toggle="tooltip" title="Save"></i>
            <i class="fa-regular fa-edit fixed-nav-btn rounded-5 p-1 d-inline-flex align-items-center justify-content-center mx-1"
                data-toggle="tooltip" title="Edit"></i>
            <i 
                class="fa-regular fa-trash-can fixed-nav-btn fixed-nav-btn rounded-5 p-1 d-inline-flex align-items-center justify-content-center mx-1"
                data-toggle="tooltip" title="Delete"></i>
            <i class="fa-solid fa-xmark fixed-nav-btn rounded-5 p-1 d-inline-flex align-items-center justify-content-center ms-1"
                data-toggle="tooltip" title="Close"></i>
            {{-- <i data-toggle="tooltip" data-placement="top" title="Close" onclick="window.history.back()"
               class="fa-solid fa-xmark fixed-nav-btn rounded-5 p-1 d-inline-flex align-items-center justify-content-center ms-1" style="cursor: pointer;"></i> --}}

            {{-- Column Visibility Dropdown --}}
            <div class="dropdown ms-2">
                <button class="btn btn-de-dark fixed-nav-btn rounded-circle p-1 d-inline-flex align-items-center justify-content-center mx-1"
                    type="button" id="columnVisibilityDropdown" data-toggle="dropdown" aria-haspopup="true"
                    aria-expanded="false" title="Column Visibility" style="width: 38px; height: 38px;">
                    <i class="fa-solid fa-columns"></i>
                </button>
                <div class="dropdown-menu dropdown-menu-right columns-menu" aria-labelledby="columnVisibilityDropdown"
                    style="min-width: 250px; max-height: 400px; overflow-y: auto;">
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="id" checked> ID</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="user" checked> Created By User</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="customer" checked> Customer Name</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="template" checked> Checklist Template</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="visit_date" checked> Visit Date</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="visit_time" checked> Visit Time</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="objective" checked> Objective</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="status" checked> Status</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="created_at" checked> Created At</label></li>
                </div>
            </div>
        </div>
    </div>

    <div class="card mt-3 rounded-border">
        <div class="card-body">
            <form id="filtersForm" action="{{ route('csm.itinerary.index') }}" method="GET">
                {{-- Hidden input for 'display_past_itinerary' checkbox value, updated via JS --}}
                <input type="hidden" name="display_past_itinerary" id="hidden_display_past_itinerary" value="{{ request('display_past_itinerary') }}">
                
                <div class="row">
                    {{-- Search Input (Handles "Customer Name") --}}
                    <div class="col-md-6">
                        <div class="input-group mb-3">
                            <input type="text" class="form-control"
                                placeholder="Search by Company Name or Temporary Customer Name" name="search"
                                value="{{ request('search') }}" id="search_input">
                            {{-- Search Button Removed --}}
                        </div>
                    </div>

                    <div class="col-md-2"></div>

                    {{-- Filters Toggle Button --}}
                    <div class="col-md-2 d-grid">
                        <button type="button" class="btn btn-de-dark filter-btn" data-toggle="collapse"
                            data-target="#filtersCollapse" aria-expanded="false" aria-controls="filtersCollapse">
                            Filters
                        </button>
                    </div>

                    {{-- Per Page Select --}}
                    <div class="col-md-2">
                        <select name="perPage" class="form-control" onchange="this.form.submit()">
                            <option value="10" {{ request('perPage', 10) == 10 ? 'selected' : '' }}>10 Rows</option>
                            <option value="20" {{ request('perPage') == 20 ? 'selected' : '' }}>20 Rows</option>
                            <option value="50" {{ request('perPage') == 50 ? 'selected' : '' }}>50 Rows</option>
                            <option value="100" {{ request('perPage') == 100 ? 'selected' : '' }}>100 Rows</option>
                        </select>
                    </div>
                </div>

                {{-- Collapsible Filters Section --}}
                <div class="row">
                    <div class="col-md-12 mt-2">
                        <div class="collapse {{ request('user_id') || request('status') || request('date_range') || request('display_past_itinerary') ? 'show' : '' }}" id="filtersCollapse">
                            <div class="row">
                                {{-- User Filter --}}
                                <div class="col-md-3 mb-2">
                                    <label for="userFilter">Created By User</label>
                                    <select class="form-control select2" id="userFilter" name="user_id" onchange="this.form.submit()">
                                        <option value="">All Users</option>
                                        @foreach ($users as $user)
                                            <option value="{{ $user->id }}" {{ request('user_id') == $user->id ? 'selected' : '' }}>
                                                {{ $user->name }}
                                            </option>
                                        @endforeach
                                    </select>
                                </div>

                                {{-- Status Filter --}}
                                <div class="col-md-3 mb-2">
                                    <label for="statusFilter">Status</label>
                                    <select class="form-control select2" id="statusFilter" name="status" onchange="this.form.submit()">
                                        <option value="">All Statuses</option>
                                        @foreach ($statuses as $status)
                                            <option value="{{ $status }}" {{ request('status') == $status ? 'selected' : '' }}>
                                                {{ ucfirst($status) }}
                                            </option>
                                        @endforeach
                                    </select>
                                </div>

                                {{-- Single Date Range Filter --}}
                                <div class="col-md-4 mb-2">
                                    <label for="dateRange">Created At Range</label>
                                    <input type="text" class="form-control" id="dateRange" name="date_range" 
                                           value="{{ request('date_range') }}" 
                                           placeholder="Select Date Range..." readonly>
                                </div>
                                
                                {{-- Display Past Itinerary Checkbox --}}
                                <div class="col-md-2 mb-2 d-flex align-items-end">
                                    <div class="form-check pb-2">
                                        <input class="form-check-input" type="checkbox" value="1" id="displayPastItinerary" 
                                               {{ request('display_past_itinerary') ? 'checked' : '' }}>
                                        <label class="form-check-label" for="displayPastItinerary">
                                            Display Past Itinerary
                                        </label>
                                    </div>
                                </div>
                            </div>
                            <br>
                            <div class="row">
                                <div class="col-md-12">
                                    <a href="{{ route('csm.itinerary.index') }}" class="btn btn-primary">Clear Filters</a>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </form>

            <div class="table-responsive">
                <table class="table mt-3 table-striped table-hover text-nowrap" id="itineraryTable">
                    <thead class="bg-light">
                        <tr>
                            <th scope="col" style="width: 10px;"><input type="checkbox" id="selectAll"></th>
                            <th scope="col" class="id-index">ID</th>
                            <th scope="col" class="user-index">Created By User</th>
                            <th scope="col" class="customer-index">Customer Name</th>
                            <th scope="col" class="template-index">Checklist Template</th>
                            <th scope="col" class="visit_date-index">Visit Date</th>
                            <th scope="col" class="visit_time-index">Visit Time</th>
                            <th scope="col" class="objective-index">Objective</th>
                            <th scope="col" class="status-index">Status</th>
                            <th scope="col" class="created_at-index">Created At</th>
                        </tr>
                    </thead>
                    <tbody>
                        @forelse($itineraries as $visit)
                            <tr>
                                <td><input class="visitCheckbox" type="checkbox" value="{{ $visit->id }}"></td>
                                <td class="id-index">{{ $visit->id }}</td>
                                <td class="user-index">
                                    @if($visit->user)
                                        {{ $visit->user->name }}
                                    @else
                                        <span class="text-muted">-</span>
                                    @endif
                                </td>
                                <td class="customer-index fw-semibold">
                                    {{ $visit->corporateCustomer ? $visit->corporateCustomer->company_name : ($visit->temporary_customer_name ?? 'N/A') }}
                                </td>
                                <td class="template-index">
                                    {{ $visit->checklistTemplate ? $visit->checklistTemplate->name : '-' }}
                                </td>
                                <td class="visit_date-index">{{ $visit->visit_date }}</td>
                                <td class="visit_time-index">{{ $visit->visit_time }}</td>
                                <td class="objective-index" title="{{ $visit->objective }}">{{ Str::limit($visit->objective, 30) }}</td>
                                <td class="status-index">
                                    @php
                                        $statusClass = 'badge-secondary';
                                        if($visit->status == 'Completed') $statusClass = 'badge-success';
                                        elseif($visit->status == 'Planned') $statusClass = 'badge-warning';
                                        elseif($visit->status == 'Cancelled') $statusClass = 'badge-danger';
                                    @endphp
                                    <span class="badge {{ $statusClass }}">{{ ucfirst($visit->status) }}</span>
                                </td>
                                <td class="created_at-index">{{ $visit->created_at ? $visit->created_at->format('Y-m-d') : '-' }}</td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="10" class="text-center">No itinerary records found.</td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>

            <div class="d-flex justify-content-between mt-4 align-items-center">
                @if ($itineraries->total() > 0)
                    <div style="font-size: 14px;" class="fw-normal">
                        Showing {{ $itineraries->firstItem() }} to {{ $itineraries->lastItem() }} of
                        {{ $itineraries->total() }} entries
                    </div>
                @endif
                <div>{{ $itineraries->appends(request()->query())->links() }}</div>
            </div>
        </div>
    </div>
@endsection

@push('js')
    {{-- Flatpickr CSS & JS (Lightweight Date Range Picker) --}}
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/flatpickr/dist/flatpickr.min.css">
    <script src="https://cdn.jsdelivr.net/npm/flatpickr"></script>

    <script>
        document.addEventListener('DOMContentLoaded', function() {
            // --- Initialize Date Range Picker ---
            flatpickr("#dateRange", {
                mode: "range",
                dateFormat: "Y-m-d",
                onClose: function(selectedDates, dateStr, instance) {
                    // Submit the form when the calendar is closed (user finished selection)
                    document.getElementById('filtersForm').submit();
                }
            });

            // --- 'Display Past Itinerary' Checkbox Logic ---
            const displayPastItineraryCheckbox = document.getElementById('displayPastItinerary');
            const hiddenDisplayPastItinerary = document.getElementById('hidden_display_past_itinerary');
            const filtersForm = document.getElementById('filtersForm');

            if(displayPastItineraryCheckbox && hiddenDisplayPastItinerary && filtersForm) {
                displayPastItineraryCheckbox.addEventListener('change', function() {
                    // Update the hidden input field value
                    hiddenDisplayPastItinerary.value = this.checked ? '1' : '';
                    
                    // Submit the form
                    filtersForm.submit();
                });
            }

            // --- Ensure "Enter" key submits search ---
            const searchInput = document.getElementById('search_input');
            if (searchInput) {
                searchInput.addEventListener('keypress', function (e) {
                    if (e.key === 'Enter') {
                        e.preventDefault(); // Prevent default to avoid double submission or wrong form action
                        document.getElementById('filtersForm').submit();
                    }
                });
            }

            // --- Column Visibility Logic ---
            const checkboxes = document.querySelectorAll('.columnCheckbox');

            function toggleColumnVisibility(column, checked) {
                const th = document.querySelector(`th.${column}-index`);
                const tdList = document.querySelectorAll(`td.${column}-index`);

                if (th) th.style.display = checked ? '' : 'none';
                if (tdList) {
                    tdList.forEach(td => td.style.display = checked ? '' : 'none');
                }
            }

            // Restore state from session
            checkboxes.forEach(function(checkbox) {
                const column = checkbox.getAttribute('data-column');
                const visibility = sessionStorage.getItem('itinerary_col_vis_' + column);
                
                if (visibility === 'hidden') {
                    checkbox.checked = false;
                    toggleColumnVisibility(column, false);
                }

                // Add change listener
                checkbox.addEventListener('change', function() {
                    const isChecked = this.checked;
                    toggleColumnVisibility(column, isChecked);
                    sessionStorage.setItem('itinerary_col_vis_' + column, isChecked ? 'visible' : 'hidden');
                });
            });

            // --- Select All Logic ---
            const selectAllCheckbox = document.getElementById('selectAll');
            const visitCheckboxes = document.querySelectorAll('.visitCheckbox');

            if(selectAllCheckbox){
                selectAllCheckbox.addEventListener('change', function() {
                    visitCheckboxes.forEach(cb => {
                        cb.checked = this.checked;
                    });
                });
            }
        });
    </script>
@endpush