@extends('layouts.app')
@section('title', 'Corporate Customers')

@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">Corporate Customers</div>

        <div class="d-flex align-items-center">
            
            {{-- Export Button Form --}}
            <form action="{{ route('csm.corporate-customers.export') }}" method="GET" style="display:inline;">
                <input type="hidden" name="search" value="{{ request('search') }}">
                <input type="hidden" name="segment_id" value="{{ request('segment_id') }}">
                <input type="hidden" name="user_id" value="{{ request('user_id') }}">
                <input type="hidden" name="status" value="{{ request('status') }}">
                <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 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>
             {{-- Action Buttons --}}
            <i data-toggle="tooltip" data-placement="top" title="Save"
               class="fa-regular fa-save fixed-nav-btn rounded-5 p-1 d-inline-flex align-items-center justify-content-center mx-1"></i>

            <i data-toggle="tooltip" data-placement="top" title="Edit"
               class="fa-regular fa-edit fixed-nav-btn rounded-5 p-1 d-inline-flex align-items-center justify-content-center mx-1"></i>
            {{-- <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-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 data-toggle="tooltip" data-placement="top" title="Close"
               class="fa-solid fa-xmark fixed-nav-btn rounded-5 p-1 d-inline-flex align-items-center justify-content-center ms-1"></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="company" checked> Company Name</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="segment" checked> Segment</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="user_id" checked> User ID</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="contact_name" checked> Primary Contact Name</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="contact_phone" checked> Primary Contact Phone</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="contact_email" checked> Primary Contact Email</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="address" checked> Address</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="vat" checked> VAT Number</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="industry" checked> Industry</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="sector" checked> Sector</label></li>
                    <li><label class="px-2"><input type="checkbox" class="columnCheckbox" data-column="hr_contact" checked> HR Contact</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.corporate-customers.index') }}" method="GET">
                <div class="row">
                    {{-- Search Input (Handles "Company Name") --}}
                    <div class="col-md-6">
                        <div class="input-group mb-3">
                            <input type="text" class="form-control"
                                placeholder="Type and press enter to search by Company Name" name="search"
                                value="{{ request('search') }}" id="search_input">
                        </div>
                    </div>

                    {{-- Bulk Actions Dropdown --}}
                    @can('CSM Corporate Customers bulk assign')
                    <div class="col-md-2">
                        <div class="dropdown">
                            <button class="btn btn-de-dark filter-btn dropdown-toggle w-100" type="button" id="bulkActionsButton"
                                data-toggle="dropdown" aria-haspopup="true" aria-expanded="false" disabled>
                                Bulk Actions
                            </button>
                            <div class="dropdown-menu" aria-labelledby="bulkActionsButton">
                                <a class="dropdown-item" href="#" data-toggle="modal"
                                    data-target="#assignSegmentModal">Assign to Segment</a>
                            </div>
                        </div>
                    </div>
                    @else
                    <div class="col-md-2"></div>
                    @endcan

                    {{-- 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" id="filtersCollapse">
                            <div class="row">
                                {{-- Segment Filter --}}
                                <div class="col-md-3 mb-2">
                                    <label for="segmentFilter">Segment</label>
                                    <select class="form-control select2" id="segmentFilter" name="segment_id" onchange="this.form.submit()">
                                        <option value="">All Segments</option>
                                        @foreach ($segments as $segment)
                                            <option value="{{ $segment->id }}" {{ request('segment_id') == $segment->id ? 'selected' : '' }}>
                                                {{ $segment->name }}
                                            </option>
                                        @endforeach
                                    </select>
                                </div>

                                {{-- User Filter --}}
                                <div class="col-md-3 mb-2">
                                    <label for="userFilter">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>
                            </div>
                            <br>
                            <div class="row">
                                <div class="col-md-12">
                                    <a href="{{ route('csm.corporate-customers.index') }}" class="btn btn-primary">Clear</a>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </form>

            <div class="table-responsive table-fixed-width">
                <table class="table mt-3 table-striped table-hover text-nowrap" id="customersTable">
                    <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="company-index">Company Name</th>
                            <th scope="col" class="status-index">Status</th>
                            <th scope="col" class="segment-index">Segment Name</th>
                            <th scope="col" class="user_id-index">Created By User</th>
                            <th scope="col" class="contact_name-index">Primary Contact</th>
                            <th scope="col" class="contact_designation-index">Designation</th>
                            <th scope="col" class="contact_phone-index">Phone</th>
                            <th scope="col" class="contact_email-index">Email</th>
                            <th scope="col" class="address-index">Address</th>
                            <th scope="col" class="vat-index">VAT Number</th>
                            <th scope="col" class="employees-index">Employees</th>
                            <th scope="col" class="events-index">Events/Year</th>
                            <th scope="col" class="engagement-index">Engagement Types</th>
                            <th scope="col" class="industry-index">Industry</th>
                            <th scope="col" class="sector-index">Sector</th>
                            <th scope="col" class="hr_contact-index">HR Contact</th>
                            <th scope="col" class="hr_details-index">HR Phone/Email</th>
                            <th scope="col" class="marketing_contact-index">Mkt Contact</th>
                            <th scope="col" class="marketing_details-index">Mkt Phone/Email</th>
                            <th scope="col" class="welfare_contact-index">Welfare Contact</th>
                            <th scope="col" class="welfare_details-index">Welfare Phone/Email</th>
                            <th scope="col" class="created_at-index">Created At</th>
                            <th scope="col" class="updated_at-index">Updated At</th>
                        </tr>
                    </thead>
                    <tbody>
                        @forelse($customers as $customer)
                            <tr>
                                <td><input class="customerCheckbox" type="checkbox" value="{{ $customer->id }}"></td>
                                <td class="id-index">{{ $customer->id }}</td>
                                <td class="company-index fw-semibold">{{ $customer->company_name }}</td>
                                
                                {{-- Updated Status Badge Logic --}}
                                <td class="status-index">
                                    @php
                                        $status = strtolower($customer->customer_status ?? '');
                                        $badgeClass = 'badge-blue'; // Default
                                        
                                        if ($status === 'inactive') {
                                            $badgeClass = 'badge-danger';
                                        } elseif ($status === 'prospect') {
                                            $badgeClass = 'badge-success';
                                        }
                                    @endphp
                                    <span class="badge {{ $badgeClass }} badge-same-width">{{ ucfirst($customer->customer_status ?? 'N/A') }}</span>
                                </td>

                                <td class="segment-index">
                                    {{ $customer->segment ? $customer->segment->name : '-' }}
                                </td>
                                <td class="user_id-index">
                                    @if($customer->user)
                                        {{ $customer->user->name }}
                                    @else
                                        <span class="text-muted">-</span>
                                    @endif
                                </td>
                                <td class="contact_name-index">{{ $customer->primary_contact_name }}</td>
                                <td class="contact_designation-index">{{ $customer->primary_contact_designation }}</td>
                                <td class="contact_phone-index">{{ $customer->primary_contact_phone }}</td>
                                <td class="contact_email-index">{{ $customer->primary_contact_email }}</td>
                                <td class="address-index" title="{{ $customer->business_address }}">{{ Str::limit($customer->business_address, 25) }}</td>
                                <td class="vat-index">{{ $customer->vat_number }}</td>
                                <td class="employees-index">{{ $customer->no_of_employees_in_company }}</td>
                                <td class="events-index">{{ $customer->no_of_events_done_per_year }}</td>
                                <td class="engagement-index">{{ Str::limit($customer->types_of_events_done_per_employee_engagement, 20) }}</td>
                                <td class="industry-index">{{ $customer->type_of_industry }}</td>
                                <td class="sector-index">{{ $customer->sector }}</td>
                                <td class="hr_contact-index">{{ $customer->hr_contact_person_name }}</td>
                                <td class="hr_details-index">{{ $customer->hr_contact_person_phone_email }}</td>
                                <td class="marketing_contact-index">{{ $customer->marketing_contact_person_name }}</td>
                                <td class="marketing_details-index">{{ $customer->marketing_contact_person_phone_email }}</td>
                                <td class="welfare_contact-index">{{ $customer->welfare_contact_person_name }}</td>
                                <td class="welfare_details-index">{{ $customer->welfare_contact_person_phone_email }}</td>
                                <td class="created_at-index">{{ $customer->created_at ? $customer->created_at->format('Y-m-d') : '-' }}</td>
                                <td class="updated_at-index">{{ $customer->updated_at ? $customer->updated_at->format('Y-m-d') : '-' }}</td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="25" class="text-center">No corporate customers found.</td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>

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

    <!-- Assign Segment Modal -->
    <div class="modal fade" id="assignSegmentModal" tabindex="-1" aria-labelledby="assignSegmentModalLabel" aria-hidden="true">
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title" id="assignSegmentModalLabel">Assign Customers to Segment</h5>
                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                        <span aria-hidden="true">&times;</span>
                    </button>
                </div>
                <form id="assignSegmentForm" action="{{ route('csm.corporate-customers.bulk-assign-segment') }}" method="POST">
                    @csrf
                    <div class="modal-body">
                        <p>You have selected <span id="selectedCustomerCount" class="fw-bold">0</span> customer(s).</p>
                        <div id="customer_ids_container"></div>
                        <div class="mb-3">
                            <label for="segment_id" class="form-label">Select Segment</label>
                            <select class="form-control" id="segment_id" name="segment_id" required>
                                <option value="" disabled selected>Choose a segment...</option>
                                @foreach ($segments as $segment)
                                    <option value="{{ $segment->id }}">{{ $segment->name }}</option>
                                @endforeach
                            </select>
                        </div>
                    </div>
                    <div class="modal-footer">
                        <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
                        <button type="submit" class="btn btn-primary" style="background-color: var(--Brand-1); border-color: var(--Brand-1);">Assign</button>
                    </div>
                </form>
            </div>
        </div>
    </div>
@endsection

@push('js')

    @if(session('clear_selection'))
    <script>
        sessionStorage.removeItem('selectedCustomerIds');
    </script>
    @endif

    <script>
        document.addEventListener('DOMContentLoaded', function() {
            // --- 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('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('col_vis_' + column, isChecked ? 'visible' : 'hidden');
                });
            });

            // --- Bulk Selection & Modal Logic ---
            const storageKey = 'selectedCustomerIds';
            let selectedCustomerIds = [];
            
            // UI Elements
            const bulkActionsButton = $('#bulkActionsButton');
            const selectAllCheckbox = $('#selectAll');
            const customerCheckboxes = $('.customerCheckbox');

            function loadSelection() {
                const storedIds = sessionStorage.getItem(storageKey);
                selectedCustomerIds = storedIds ? JSON.parse(storedIds) : [];
            }

            function saveSelection() {
                sessionStorage.setItem(storageKey, JSON.stringify(selectedCustomerIds));
            }

            function addId(id) {
                if (!selectedCustomerIds.includes(id)) selectedCustomerIds.push(id);
            }

            function removeId(id) {
                selectedCustomerIds = selectedCustomerIds.filter(selectedId => selectedId !== id);
            }

            function updateUI() {
                let allVisibleChecked = customerCheckboxes.length > 0;
                
                customerCheckboxes.each(function() {
                    const id = parseInt($(this).val());
                    const isSelected = selectedCustomerIds.includes(id);
                    $(this).prop('checked', isSelected);
                    if (!isSelected) allVisibleChecked = false;
                });

                selectAllCheckbox.prop('checked', allVisibleChecked);

                // Enable/Disable the Bulk Actions Dropdown Button
                const selectedCount = selectedCustomerIds.length;
                bulkActionsButton.prop('disabled', selectedCount === 0);

                if (selectedCount > 0) {
                    bulkActionsButton.text(`Bulk Actions (${selectedCount})`);
                } else {
                    bulkActionsButton.text('Bulk Actions');
                }
            }

            // Event: Select All
            selectAllCheckbox.on('change', function() {
                const isChecked = this.checked;
                customerCheckboxes.each(function() {
                    const id = parseInt($(this).val());
                    if (isChecked) addId(id);
                    else removeId(id);
                });
                saveSelection();
                updateUI();
            });

            // Event: Single Checkbox
            customerCheckboxes.on('change', function() {
                const id = parseInt($(this).val());
                if (this.checked) addId(id);
                else removeId(id);
                saveSelection();
                updateUI();
            });

            // Event: Modal Open -> Populate Hidden Inputs
            $('#assignSegmentModal').on('show.bs.modal', function() {
                $('#selectedCustomerCount').text(selectedCustomerIds.length);
                const container = $('#customer_ids_container');
                container.empty();
                selectedCustomerIds.forEach(function(id) {
                    container.append(`<input type=\"hidden\" name=\"customer_ids[]\" value=\"${id}\">`);
                });
            });

            // Init
            loadSelection();
            updateUI();
        });
    </script>
@endpush