{% extends 'base.html' %}
{% load static %}

{% block title %}Inventory Locations - Inventory Management{% endblock %}

{% block content %}
<div class="content">
    <div class="container-fluid">
        <!-- Page Header -->
        <div class="row">
            <div class="col-12">
                <div class="page-header">
                    <div class="page-title">
                        <h4>Inventory Locations</h4>
                        <h6>Manage storage locations and warehouses</h6>
                    </div>
                    <div class="page-btn">
                        <a href="{% url 'inventory:location_create' %}" class="btn btn-added">
                            <i class="fas fa-plus me-1"></i>Add New Location
                        </a>
                    </div>
                </div>
            </div>
        </div>

        <!-- Location Statistics -->
        <div class="row">
            <div class="col-lg-3 col-sm-6 col-12">
                <div class="dash-widget">
                    <div class="dash-widgetimg">
                        <span><i class="fas fa-map-marker-alt"></i></span>
                    </div>
                    <div class="dash-widgetcontent">
                        <h5>{{ stats.total_locations|default:24 }}</h5>
                        <h6>Total Locations</h6>
                    </div>
                </div>
            </div>
            <div class="col-lg-3 col-sm-6 col-12">
                <div class="dash-widget">
                    <div class="dash-widgetimg">
                        <span><i class="fas fa-check-circle"></i></span>
                    </div>
                    <div class="dash-widgetcontent">
                        <h5>{{ stats.active_locations|default:22 }}</h5>
                        <h6>Active Locations</h6>
                    </div>
                </div>
            </div>
            <div class="col-lg-3 col-sm-6 col-12">
                <div class="dash-widget">
                    <div class="dash-widgetimg">
                        <span><i class="fas fa-lock"></i></span>
                    </div>
                    <div class="dash-widgetcontent">
                        <h5>{{ stats.controlled_locations|default:6 }}</h5>
                        <h6>Controlled Access</h6>
                    </div>
                </div>
            </div>
            <div class="col-lg-3 col-sm-6 col-12">
                <div class="dash-widget">
                    <div class="dash-widgetimg">
                        <span><i class="fas fa-thermometer-half"></i></span>
                    </div>
                    <div class="dash-widgetcontent">
                        <h5>{{ stats.climate_controlled|default:8 }}</h5>
                        <h6>Climate Controlled</h6>
                    </div>
                </div>
            </div>
        </div>

        <!-- Filters and Search -->
        <div class="card">
            <div class="card-body">
                <div class="table-top">
                    <div class="search-set">
                        <div class="search-path">
                            <a class="btn btn-filter" id="filter_search">
                                <i class="fas fa-filter"></i>
                                <span><i class="fas fa-times"></i></span>
                            </a>
                        </div>
                        <div class="search-input">
                            <a class="btn btn-searchset">
                                <i class="fas fa-search"></i>
                            </a>
                            <input type="text" id="searchInput" placeholder="Search locations...">
                        </div>
                    </div>
                    <div class="wordset">
                        <ul>
                            <li>
                                <a data-bs-toggle="tooltip" data-bs-placement="top" title="PDF" onclick="exportToPDF()">
                                    <i class="fas fa-file-pdf"></i>
                                </a>
                            </li>
                            <li>
                                <a data-bs-toggle="tooltip" data-bs-placement="top" title="Excel" onclick="exportToExcel()">
                                    <i class="fas fa-file-excel"></i>
                                </a>
                            </li>
                            <li>
                                <a data-bs-toggle="tooltip" data-bs-placement="top" title="Print" onclick="printTable()">
                                    <i class="fas fa-print"></i>
                                </a>
                            </li>
                        </ul>
                    </div>
                </div>

                <!-- Filter Panel -->
                <div class="card mb-0" id="filter_inputs" style="display: none;">
                    <div class="card-body pb-0">
                        <div class="row">
                            <div class="col-lg-3 col-sm-6 col-12">
                                <div class="form-group">
                                    <select class="select" id="locationTypeFilter">
                                        <option value="">All Location Types</option>
                                        <option value="WAREHOUSE">Warehouse</option>
                                        <option value="STOREROOM">Storeroom</option>
                                        <option value="PHARMACY">Pharmacy</option>
                                        <option value="NURSING_UNIT">Nursing Unit</option>
                                        <option value="OR_STORAGE">OR Storage</option>
                                        <option value="LAB_STORAGE">Lab Storage</option>
                                        <option value="RADIOLOGY">Radiology Storage</option>
                                        <option value="CENTRAL_SUPPLY">Central Supply</option>
                                        <option value="REFRIGERATOR">Refrigerator</option>
                                        <option value="FREEZER">Freezer</option>
                                        <option value="CONTROLLED">Controlled Substance</option>
                                        <option value="QUARANTINE">Quarantine</option>
                                    </select>
                                </div>
                            </div>
                            <div class="col-lg-3 col-sm-6 col-12">
                                <div class="form-group">
                                    <select class="select" id="buildingFilter">
                                        <option value="">All Buildings</option>
                                        <option value="Main Hospital">Main Hospital</option>
                                        <option value="Medical Office Building">Medical Office Building</option>
                                        <option value="Outpatient Center">Outpatient Center</option>
                                        <option value="Emergency Department">Emergency Department</option>
                                    </select>
                                </div>
                            </div>
                            <div class="col-lg-3 col-sm-6 col-12">
                                <div class="form-group">
                                    <select class="select" id="accessControlFilter">
                                        <option value="">All Access Types</option>
                                        <option value="OPEN">Open Access</option>
                                        <option value="BADGE">Badge Access</option>
                                        <option value="KEY">Key Access</option>
                                        <option value="BIOMETRIC">Biometric Access</option>
                                        <option value="DUAL_CONTROL">Dual Control</option>
                                    </select>
                                </div>
                            </div>
                            <div class="col-lg-3 col-sm-6 col-12">
                                <div class="form-group">
                                    <select class="select" id="statusFilter">
                                        <option value="">All Status</option>
                                        <option value="active">Active</option>
                                        <option value="inactive">Inactive</option>
                                    </select>
                                </div>
                            </div>
                        </div>
                        <div class="row">
                            <div class="col-lg-3 col-sm-6 col-12">
                                <div class="form-group">
                                    <div class="form-check">
                                        <input class="form-check-input" type="checkbox" id="temperatureControlledFilter">
                                        <label class="form-check-label" for="temperatureControlledFilter">
                                            Temperature Controlled Only
                                        </label>
                                    </div>
                                </div>
                            </div>
                            <div class="col-lg-3 col-sm-6 col-12">
                                <div class="form-group">
                                    <div class="form-check">
                                        <input class="form-check-input" type="checkbox" id="secureLocationFilter">
                                        <label class="form-check-label" for="secureLocationFilter">
                                            Secure Locations Only
                                        </label>
                                    </div>
                                </div>
                            </div>
                            <div class="col-lg-6 col-12">
                                <div class="form-group">
                                    <a class="btn btn-filters ms-auto" onclick="applyFilters()">
                                        <i class="fas fa-search"></i>
                                    </a>
                                    <a class="btn btn-filters ms-2" onclick="clearFilters()">
                                        <i class="fas fa-times-circle"></i>
                                    </a>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                <!-- Locations Table -->
                <div class="table-responsive">
                    <table class="table" id="locationsTable">
                        <thead>
                            <tr>
                                <th>
                                    <label class="checkboxs">
                                        <input type="checkbox" id="select-all">
                                        <span class="checkmarks"></span>
                                    </label>
                                </th>
                                <th>Location Code</th>
                                <th>Name</th>
                                <th>Type</th>
                                <th>Building</th>
                                <th>Full Address</th>
                                <th>Access Control</th>
                                <th>Climate Control</th>
                                <th>Items</th>
                                <th>Manager</th>
                                <th>Status</th>
                                <th>Action</th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for location in locations %}
                            <tr>
                                <td>
                                    <label class="checkboxs">
                                        <input type="checkbox" value="{{ location.id }}">
                                        <span class="checkmarks"></span>
                                    </label>
                                </td>
                                <td>{{ location.location_code }}</td>
                                <td>
                                    <div class="productimgname">
                                        <a href="{% url 'inventory:location_detail' location.id %}" class="product-img">
                                            <i class="fas fa-warehouse"></i>
                                        </a>
                                        <a href="{% url 'inventory:location_detail' location.id %}">{{ location.name }}</a>
                                    </div>
                                </td>
                                <td>
                                    <span class="badges bg-lightgreen">{{ location.get_location_type_display }}</span>
                                </td>
                                <td>{{ location.building|default:"-" }}</td>
                                <td>{{ location.full_address|default:"-" }}</td>
                                <td>
                                    {% if location.access_control == 'OPEN' %}
                                        <span class="badges bg-lightgrey">{{ location.get_access_control_display }}</span>
                                    {% elif location.access_control == 'BADGE' %}
                                        <span class="badges bg-lightblue">{{ location.get_access_control_display }}</span>
                                    {% elif location.access_control == 'BIOMETRIC' %}
                                        <span class="badges bg-lightred">{{ location.get_access_control_display }}</span>
                                    {% else %}
                                        <span class="badges bg-lightyellow">{{ location.get_access_control_display }}</span>
                                    {% endif %}
                                </td>
                                <td>
                                    {% if location.temperature_controlled or location.humidity_controlled %}
                                        <span class="badges bg-lightgreen">
                                            {% if location.temperature_controlled %}Temp{% endif %}
                                            {% if location.humidity_controlled %}{% if location.temperature_controlled %}/{% endif %}Humidity{% endif %}
                                        </span>
                                    {% else %}
                                        <span class="badges bg-lightgrey">None</span>
                                    {% endif %}
                                </td>
                                <td>{{ location.total_items|default:0 }}</td>
                                <td>{{ location.location_manager.get_full_name|default:"-" }}</td>
                                <td>
                                    {% if location.is_active %}
                                        <span class="badges bg-lightgreen">Active</span>
                                    {% else %}
                                        <span class="badges bg-lightred">Inactive</span>
                                    {% endif %}
                                </td>
                                <td>
                                    <a class="me-3" href="{% url 'inventory:location_detail' location.id %}">
                                        <i class="fas fa-eye"></i>
                                    </a>
                                    <a class="me-3" href="{% url 'inventory:location_update' location.id %}">
                                        <i class="fas fa-edit"></i>
                                    </a>
                                    <a class="confirm-text" href="{% url 'inventory:location_delete' location.id %}">
                                        <i class="fas fa-trash"></i>
                                    </a>
                                </td>
                            </tr>
                            {% empty %}
                            <tr>
                                <td colspan="12" class="text-center">No locations found</td>
                            </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </div>

                <!-- Pagination -->
                {% if is_paginated %}
                <div class="pagination-wrapper">
                    <div class="row">
                        <div class="col-sm-12 col-md-5">
                            <div class="dataTables_info">
                                Showing {{ page_obj.start_index }} to {{ page_obj.end_index }} of {{ paginator.count }} entries
                            </div>
                        </div>
                        <div class="col-sm-12 col-md-7">
                            <div class="dataTables_paginate">
                                <ul class="pagination">
                                    {% if page_obj.has_previous %}
                                        <li class="paginate_button page-item previous">
                                            <a href="?page={{ page_obj.previous_page_number }}" class="page-link">Previous</a>
                                        </li>
                                    {% endif %}
                                    
                                    {% for num in page_obj.paginator.page_range %}
                                        {% if page_obj.number == num %}
                                            <li class="paginate_button page-item active">
                                                <a href="#" class="page-link">{{ num }}</a>
                                            </li>
                                        {% elif num > page_obj.number|add:'-3' and num < page_obj.number|add:'3' %}
                                            <li class="paginate_button page-item">
                                                <a href="?page={{ num }}" class="page-link">{{ num }}</a>
                                            </li>
                                        {% endif %}
                                    {% endfor %}
                                    
                                    {% if page_obj.has_next %}
                                        <li class="paginate_button page-item next">
                                            <a href="?page={{ page_obj.next_page_number }}" class="page-link">Next</a>
                                        </li>
                                    {% endif %}
                                </ul>
                            </div>
                        </div>
                    </div>
                </div>
                {% endif %}
            </div>
        </div>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    // Initialize search functionality
    const searchInput = document.getElementById('searchInput');
    searchInput.addEventListener('keyup', function() {
        filterTable();
    });

    // Initialize select all checkbox
    const selectAllCheckbox = document.getElementById('select-all');
    selectAllCheckbox.addEventListener('change', function() {
        const checkboxes = document.querySelectorAll('tbody input[type="checkbox"]');
        checkboxes.forEach(checkbox => {
            checkbox.checked = this.checked;
        });
    });

    // Initialize filter toggle
    const filterButton = document.getElementById('filter_search');
    const filterPanel = document.getElementById('filter_inputs');
    filterButton.addEventListener('click', function() {
        if (filterPanel.style.display === 'none') {
            filterPanel.style.display = 'block';
        } else {
            filterPanel.style.display = 'none';
        }
    });
});

function filterTable() {
    const searchTerm = document.getElementById('searchInput').value.toLowerCase();
    const table = document.getElementById('locationsTable');
    const rows = table.getElementsByTagName('tbody')[0].getElementsByTagName('tr');

    for (let i = 0; i < rows.length; i++) {
        const row = rows[i];
        const cells = row.getElementsByTagName('td');
        let found = false;

        // Skip empty state row
        if (cells.length === 1) continue;

        // Search in location code, name, type, building
        const searchableText = (
            cells[1].textContent + ' ' +  // Location code
            cells[2].textContent + ' ' +  // Name
            cells[3].textContent + ' ' +  // Type
            cells[4].textContent         // Building
        ).toLowerCase();

        if (searchableText.includes(searchTerm)) {
            found = true;
        }

        row.style.display = found ? '' : 'none';
    }
}

function applyFilters() {
    const locationTypeFilter = document.getElementById('locationTypeFilter').value;
    const buildingFilter = document.getElementById('buildingFilter').value;
    const accessControlFilter = document.getElementById('accessControlFilter').value;
    const statusFilter = document.getElementById('statusFilter').value;
    const temperatureControlledFilter = document.getElementById('temperatureControlledFilter').checked;
    const secureLocationFilter = document.getElementById('secureLocationFilter').checked;

    const table = document.getElementById('locationsTable');
    const rows = table.getElementsByTagName('tbody')[0].getElementsByTagName('tr');

    for (let i = 0; i < rows.length; i++) {
        const row = rows[i];
        const cells = row.getElementsByTagName('td');
        let show = true;

        // Skip empty state row
        if (cells.length === 1) continue;

        // Apply filters
        if (locationTypeFilter && !cells[3].textContent.includes(locationTypeFilter.replace('_', ' '))) {
            show = false;
        }

        if (buildingFilter && cells[4].textContent !== buildingFilter) {
            show = false;
        }

        if (statusFilter) {
            const isActive = cells[10].textContent.includes('Active');
            if ((statusFilter === 'active' && !isActive) || (statusFilter === 'inactive' && isActive)) {
                show = false;
            }
        }

        // Apply additional filters based on badges and content
        if (temperatureControlledFilter && !cells[7].textContent.includes('Temp')) {
            show = false;
        }

        if (secureLocationFilter && cells[6].textContent.includes('Open Access')) {
            show = false;
        }

        row.style.display = show ? '' : 'none';
    }

    console.log('Filters applied');
}

function clearFilters() {
    // Reset all filter inputs
    document.getElementById('locationTypeFilter').value = '';
    document.getElementById('buildingFilter').value = '';
    document.getElementById('accessControlFilter').value = '';
    document.getElementById('statusFilter').value = '';
    document.getElementById('temperatureControlledFilter').checked = false;
    document.getElementById('secureLocationFilter').checked = false;
    document.getElementById('searchInput').value = '';

    // Show all rows
    const table = document.getElementById('locationsTable');
    const rows = table.getElementsByTagName('tbody')[0].getElementsByTagName('tr');
    for (let i = 0; i < rows.length; i++) {
        rows[i].style.display = '';
    }

    console.log('Filters cleared');
}

function exportToPDF() {
    console.log('Exporting locations to PDF...');
    alert('PDF export functionality would be implemented here.');
}

function exportToExcel() {
    console.log('Exporting locations to Excel...');
    alert('Excel export functionality would be implemented here.');
}

function printTable() {
    console.log('Printing locations table...');
    window.print();
}
</script>
{% endblock %}