// Main JavaScript file for Edu-Space Admin

$(document).ready(function() {
    // Initialize tooltips
    var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'));
    var tooltipList = tooltipTriggerList.map(function (tooltipTriggerEl) {
        return new bootstrap.Tooltip(tooltipTriggerEl);
    });

    // Initialize popovers
    var popoverTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="popover"]'));
    var popoverList = popoverTriggerList.map(function (popoverTriggerEl) {
        return new bootstrap.Popover(popoverTriggerEl);
    });

    // Auto-hide alerts after 5 seconds
    setTimeout(function() {
        $('.alert.fade').alert('close');
    }, 5000);

    // Confirm delete actions
    $('.delete-confirm').on('click', function(e) {
        if (!confirm('Are you sure you want to delete this item? This action cannot be undone.')) {
            e.preventDefault();
            return false;
        }
    });

    // Form validation enhancements
    $('form').on('submit', function() {
        var form = $(this);
        var submitBtn = form.find('button[type="submit"]');
        
        // Show loading state
        submitBtn.prop('disabled', true);
        var originalText = submitBtn.html();
        submitBtn.html('<i class="bi bi-hourglass-split me-2"></i>Loading...');
        
        // Re-enable after 10 seconds in case of error
        setTimeout(function() {
            submitBtn.prop('disabled', false);
            submitBtn.html(originalText);
        }, 10000);
    });

    // Copy to clipboard functionality
    $('.copy-to-clipboard').on('click', function() {
        var text = $(this).data('text');
        if (!text) {
            text = $(this).text();
        }
        
        navigator.clipboard.writeText(text).then(function() {
            showToast('Copied to clipboard!', 'success');
        }).catch(function() {
            showToast('Failed to copy to clipboard', 'error');
        });
    });

    // Quick search functionality
    $('#quickSearch').on('input', function() {
        var searchTerm = $(this).val().toLowerCase();
        
        $('.searchable-item').each(function() {
            var item = $(this);
            var text = item.text().toLowerCase();
            
            if (text.includes(searchTerm)) {
                item.show();
            } else {
                item.hide();
            }
        });
    });

    // Initialize datepickers
    $('.datetimepicker').each(function() {
        $(this).flatpickr({
            enableTime: true,
            dateFormat: "Y-m-d H:i",
            time_24hr: true,
            minDate: "today"
        });
    });

    $('.datepicker').each(function() {
        $(this).flatpickr({
            dateFormat: "Y-m-d",
            minDate: "today"
        });
    });

    // Auto-save functionality for multi-step forms
    $('.auto-save').on('change input', function() {
        var form = $(this).closest('form');
        var formData = form.serialize();
        
        // Save to localStorage
        localStorage.setItem('autosave_' + form.attr('id'), formData);
        showToast('Draft saved automatically', 'info');
    });

    // Restore auto-saved data
    $('form.auto-save-restore').each(function() {
        var form = $(this);
        var savedData = localStorage.getItem('autosave_' + form.attr('id'));
        
        if (savedData) {
            // Show restore prompt
            if (confirm('Found unsaved changes. Would you like to restore them?')) {
                var params = new URLSearchParams(savedData);
                params.forEach(function(value, key) {
                    form.find('[name="' + key + '"]').val(value);
                });
                showToast('Draft restored', 'info');
            }
        }
    });

    // Print functionality
    $('.btn-print').on('click', function() {
        window.print();
    });

    // Export functionality
    $('.btn-export').on('click', function() {
        var format = $(this).data('format');
        var url = $(this).data('url');
        
        if (format === 'excel') {
            window.open(url + '?export=excel', '_blank');
        } else if (format === 'pdf') {
            window.open(url + '?export=pdf', '_blank');
        } else if (format === 'csv') {
            window.open(url + '?export=csv', '_blank');
        }
    });

    // Keyboard shortcuts
    $(document).on('keydown', function(e) {
        // Ctrl/Cmd + K for search
        if ((e.ctrlKey || e.metaKey) && e.key === 'k') {
            e.preventDefault();
            $('#quickSearch').focus();
        }
        
        // Escape to close modals
        if (e.key === 'Escape') {
            $('.modal.show').modal('hide');
        }
    });

    // Initialize tooltips dynamically for AI-generated content
    initializeDynamicTooltips();
});

// Utility functions

function showToast(message, type = 'info') {
    var toastHtml = `
        <div class="toast align-items-center text-white bg-${type === 'error' ? 'danger' : type} border-0" role="alert">
            <div class="d-flex">
                <div class="toast-body">
                    ${message}
                </div>
                <button type="button" class="btn-close btn-close-white me-2 m-auto" data-bs-dismiss="toast"></button>
            </div>
        </div>
    `;
    
    var toastContainer = $('.toast-container');
    var toastElement = $(toastHtml);
    toastContainer.append(toastElement);
    
    var toast = new bootstrap.Toast(toastElement[0]);
    toast.show();
    
    // Remove toast element after it's hidden
    toastElement.on('hidden.bs.toast', function() {
        $(this).remove();
    });
}

function confirmAction(message, callback) {
    if (confirm(message)) {
        callback();
    }
}

function formatDateTime(dateTimeString) {
    var date = new Date(dateTimeString);
    return date.toLocaleString();
}

function formatDate(dateString) {
    var date = new Date(dateString);
    return date.toLocaleDateString();
}

function formatTime(timeString) {
    var date = new Date(timeString);
    return date.toLocaleTimeString([], {hour: '2-digit', minute:'2-digit'});
}

function debounce(func, wait) {
    let timeout;
    return function executedFunction(...args) {
        const later = () => {
            clearTimeout(timeout);
            func(...args);
        };
        clearTimeout(timeout);
        timeout = setTimeout(later, wait);
    };
}

function initializeDynamicTooltips() {
    // Initialize tooltips for dynamically generated content
    $('[data-bs-toggle="tooltip"]:not([aria-describedby])').each(function() {
        new bootstrap.Tooltip(this);
    });
}

// API Helper functions
function apiCall(url, method = 'GET', data = null) {
    return $.ajax({
        url: url,
        method: method,
        data: data,
        headers: {
            'X-CSRFToken': csrfToken || ''
        }
    });
}

function handleApiError(xhr) {
    if (xhr.responseJSON && xhr.responseJSON.message) {
        showToast(xhr.responseJSON.message, 'error');
    } else {
        showToast('An error occurred. Please try again.', 'error');
    }
}

// Form validation helpers
function validateForm(form) {
    var isValid = true;
    var errors = [];
    
    form.find('[required]').each(function() {
        var field = $(this);
        if (!field.val()) {
            isValid = false;
            errors.push(field.attr('data-label') || field.attr('name'));
            field.addClass('is-invalid');
        } else {
            field.removeClass('is-invalid');
        }
    });
    
    if (!isValid) {
        showToast('Please fill in the required fields: ' + errors.join(', '), 'error');
    }
    
    return isValid;
}

// Image preview functionality
function previewImage(input, previewElement) {
    if (input.files && input.files[0]) {
        var reader = new FileReader();
        
        reader.onload = function(e) {
            previewElement.attr('src', e.target.result);
        };
        
        reader.readAsDataURL(input.files[0]);
    }
}

// Export to CSV function
function exportToCSV(data, filename) {
    var csv = '';
    var headers = Object.keys(data[0]);
    
    // Add headers
    csv += headers.join(',') + '\n';
    
    // Add data
    data.forEach(function(row) {
        headers.forEach(function(header, index) {
            if (index > 0) csv += ',';
            csv += '"' + (row[header] || '') + '"';
        });
        csv += '\n';
    });
    
    // Create download link
    var hiddenElement = document.createElement('a');
    hiddenElement.href = 'data:text/csv;charset=utf-8,' + encodeURI(csv);
    hiddenElement.target = '_blank';
    hiddenElement.download = filename + '.csv';
    hiddenElement.click();
}