// Search functionality for the TN Medical Connect site
document.addEventListener('DOMContentLoaded', function() {
    // Set up search forms
    const searchForms = document.querySelectorAll('.search-form');
    
    searchForms.forEach(form => {
        form.addEventListener('submit', function(e) {
            e.preventDefault();
            
            const searchInput = this.querySelector('input[type="text"]');
            const searchTerm = searchInput.value.trim();
            
            if (searchTerm) {
                // Get search category if available (podcasts, research, etc.)
                const category = this.dataset.category || '';
                const finalSearchTerm = category ? `${category} ${searchTerm}` : searchTerm;
                
                // Show loading state
                const resultsContainer = document.getElementById('search-results');
                if (resultsContainer) {
                    resultsContainer.innerHTML = '<div class="text-center py-4"><i class="fas fa-spinner fa-spin text-primary text-2xl"></i><p class="mt-2 text-gray-600">Searching...</p></div>';
                }
                
                // In a real implementation, this would call a server-side API
                // For this demo, we'll simulate results after a delay
                setTimeout(() => {
                    simulateSearchResults(finalSearchTerm, resultsContainer);
                }, 1000);
            }
        });
    });
    
    // Function to simulate search results (in a real app, this would call the server)
    function simulateSearchResults(searchTerm, container) {
        if (!container) return;
        
        // Simulate different results based on search term
        const termLower = searchTerm.toLowerCase();
        
        if (termLower.includes('podcast') || termLower.includes('audio')) {
            showPodcastResults(container);
        } else if (termLower.includes('research') || termLower.includes('paper') || termLower.includes('study')) {
            showResearchResults(container);
        } else if (termLower.includes('ai') || termLower.includes('artificial intelligence')) {
            showAIResults(container);
        } else {
            showGeneralResults(container);
        }
    }
    
    // Simulate podcast results
    function showPodcastResults(container) {
        container.innerHTML = `
            <h3 class="text-xl font-semibold text-gray-800 mb-4">Search Results</h3>
            <div class="grid gap-4 md:grid-cols-2">
                <div class="p-4 bg-gray-50 border border-gray-200 rounded-lg">
                    <h4 class="text-lg font-medium">Recent Advances in Cardiology</h4>
                    <p class="text-sm text-gray-600">A discussion with Dr. Ramesh about the latest treatments.</p>
                    <audio controls class="mt-2 w-full">
                        <source src="#" type="audio/mpeg">
                        Your browser does not support the audio element.
                    </audio>
                </div>
                <div class="p-4 bg-gray-50 border border-gray-200 rounded-lg">
                    <h4 class="text-lg font-medium">Public Health Initiatives in Tamil Nadu</h4>
                    <p class="text-sm text-gray-600">How local communities are benefiting from new programs.</p>
                    <audio controls class="mt-2 w-full">
                        <source src="#" type="audio/mpeg">
                        Your browser does not support the audio element.
                    </audio>
                </div>
            </div>
        `;
    }
    
    // Simulate research results
    function showResearchResults(container) {
        container.innerHTML = `
            <h3 class="text-xl font-semibold text-gray-800 mb-4">Research Results</h3>
            <div class="space-y-4">
                <div class="p-4 bg-gray-50 border border-gray-200 rounded-lg">
                    <h4 class="text-lg font-medium">Impact of Climate Change on Vector-borne Diseases in South India</h4>
                    <p class="text-sm text-gray-500">Journal of Tropical Medicine • March 2025</p>
                    <p class="text-sm text-gray-600 mt-1">This study examines the correlation between rising temperatures and the spread of dengue and malaria in Tamil Nadu.</p>
                    <a href="#" class="text-primary text-sm hover:underline mt-2 inline-block">Read Abstract</a>
                </div>
                <div class="p-4 bg-gray-50 border border-gray-200 rounded-lg">
                    <h4 class="text-lg font-medium">Efficacy of Traditional Medicines in Managing Type 2 Diabetes</h4>
                    <p class="text-sm text-gray-500">Indian Journal of Medical Research • January 2025</p>
                    <p class="text-sm text-gray-600 mt-1">A randomized controlled trial comparing traditional herbal preparations with standard pharmaceutical interventions.</p>
                    <a href="#" class="text-primary text-sm hover:underline mt-2 inline-block">Read Abstract</a>
                </div>
            </div>
        `;
    }
    
    // Simulate AI results
    function showAIResults(container) {
        container.innerHTML = `
            <h3 class="text-xl font-semibold text-gray-800 mb-4">AI in Healthcare Results</h3>
            <div class="space-y-4">
                <div class="p-4 bg-gray-50 border border-gray-200 rounded-lg">
                    <h4 class="text-lg font-medium">AI-Powered Diagnostic Tools for Rural Healthcare</h4>
                    <p class="text-sm text-gray-600 mt-1">How machine learning is helping bridge the healthcare gap in remote areas of Tamil Nadu.</p>
                    <div class="flex justify-between items-center mt-2">
                        <span class="text-xs text-gray-500">Resource Type: Case Study</span>
                        <a href="#" class="text-primary text-sm hover:underline">View Details</a>
                    </div>
                </div>
                <div class="p-4 bg-gray-50 border border-gray-200 rounded-lg">
                    <h4 class="text-lg font-medium">Implementing AI Chatbots in Patient Triage</h4>
                    <p class="text-sm text-gray-600 mt-1">A guide for hospitals looking to adopt AI-powered patient screening systems.</p>
                    <div class="flex justify-between items-center mt-2">
                        <span class="text-xs text-gray-500">Resource Type: Implementation Guide</span>
                        <a href="#" class="text-primary text-sm hover:underline">View Details</a>
                    </div>
                </div>
            </div>
        `;
    }
    
    // General mixed results
    function showGeneralResults(container) {
        container.innerHTML = `
            <h3 class="text-xl font-semibold text-gray-800 mb-4">Search Results</h3>
            <div class="space-y-4">
                <div class="p-4 bg-gray-50 border border-gray-200 rounded-lg">
                    <h4 class="text-lg font-medium">Upcoming Medical Conferences in Chennai</h4>
                    <p class="text-sm text-gray-600">View the schedule of medical conferences happening in the next 6 months.</p>
                    <a href="#" class="text-primary text-sm hover:underline mt-2 inline-block">View Calendar</a>
                </div>
                <div class="p-4 bg-gray-50 border border-gray-200 rounded-lg">
                    <h4 class="text-lg font-medium">Grant Opportunities for Medical Researchers</h4>
                    <p class="text-sm text-gray-600">Current funding opportunities for research in various medical fields.</p>
                    <a href="#" class="text-primary text-sm hover:underline mt-2 inline-block">Browse Grants</a>
                </div>
                <div class="p-4 bg-gray-50 border border-gray-200 rounded-lg">
                    <h4 class="text-lg font-medium">Latest Podcast: Healthcare Challenges in 2025</h4>
                    <p class="text-sm text-gray-600">A discussion with leading experts about what to expect this year.</p>
                    <a href="#" class="text-primary text-sm hover:underline mt-2 inline-block">Listen Now</a>
                </div>
            </div>
        `;
    }
    
    // Initialize any search fields with the search parameter if present in URL
    const urlParams = new URLSearchParams(window.location.search);
    const searchParam = urlParams.get('search');
    
    if (searchParam) {
        const searchInputs = document.querySelectorAll('.search-form input[type="text"]');
        searchInputs.forEach(input => {
            input.value = searchParam;
        });
        
        // Auto-submit the first search form if a search term is provided in URL
        const firstForm = document.querySelector('.search-form');
        if (firstForm) {
            firstForm.dispatchEvent(new Event('submit'));
        }
    }
});