"""
Gradio UI Builder for Homeopathic Analyzer
"""

import gradio as gr
from config import APP_NAME, APP_DESCRIPTION, THEME_CONFIG
from analyzer import analyzer
from database import search_remedies, get_remedy_details

class UIBuilder:
    def __init__(self):
        self.css = self._get_css()
    
    def _get_css(self):
        """Return custom CSS"""
        return """
        .gradio-container {
            max-width: 1400px !important;
            margin: 0 auto !important;
            font-family: 'Inter', -apple-system, sans-serif !important;
        }
        
        .main-header {
            background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
            padding: 32px;
            color: white;
            border-radius: 0 0 20px 20px;
            margin: -20px -20px 30px -20px;
        }
        
        .tab-nav {
            display: flex;
            gap: 2px;
            margin-bottom: 30px;
            background: #f3f4f6;
            padding: 4px;
            border-radius: 12px;
        }
        
        .tab-button {
            flex: 1;
            padding: 16px;
            border: none;
            background: transparent;
            font-weight: 500;
            color: #6b7280;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        
        .tab-button:hover {
            background: #e5e7eb;
        }
        
        .tab-button.active {
            background: white;
            color: #1e40af;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .analysis-card {
            background: white;
            border-radius: 12px;
            padding: 28px;
            margin-bottom: 24px;
            border: 1px solid #e5e7eb;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        
        .primary-btn {
            background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
            color: white;
            border: none;
            padding: 16px 32px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 16px;
            width: 100%;
            margin-top: 20px;
            transition: all 0.3s ease;
        }
        
        .primary-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(30, 64, 175, 0.2);
        }
        
        .results-container {
            margin-top: 30px;
            animation: fadeIn 0.5s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .medicine-card {
            background: white;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 16px;
            border: 1px solid #e5e7eb;
            transition: all 0.2s ease;
        }
        
        .medicine-card:hover {
            border-color: #3b82f6;
            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
        }
        
        .potency-badge {
            display: inline-block;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            margin: 2px;
        }
        
        .potency-high {
            background: #d1fae5;
            color: #065f46;
        }
        
        .potency-medium {
            background: #fef3c7;
            color: #92400e;
        }
        
        .potency-low {
            background: #e5e7eb;
            color: #6b7280;
        }
        
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }
        
        @media (max-width: 768px) {
            .grid-2, .grid-3 {
                grid-template-columns: 1fr;
            }
        }
        """
    
    def create_header(self):
        """Create application header"""
        return gr.Markdown(f"""
        <div class="main-header">
            <div style="display: flex; align-items: center; justify-content: space-between;">
                <div>
                    <h1 style="margin: 0; font-size: 32px; font-weight: 700;">🏥 {APP_NAME}</h1>
                    <p style="margin: 8px 0 0 0; opacity: 0.9; font-size: 16px;">
                        {APP_DESCRIPTION}
                    </p>
                </div>
                <div style="font-size: 40px;">🌿</div>
            </div>
        </div>
        """)
    
    def create_analysis_tab(self):
        """Create symptom analysis tab"""
        with gr.Column(elem_id="analysis-tab") as tab:
            # Patient Information
            with gr.Group(elem_classes="analysis-card"):
                gr.Markdown("### 👤 Patient Information")
                with gr.Row():
                    age = gr.Slider(label="Age", minimum=0, maximum=120, value=35, step=1)
                    gender = gr.Dropdown(label="Gender", choices=["Male", "Female", "Other"], value="Male")
                    constitution = gr.Dropdown(
                        label="Constitutional Type",
                        choices=["Lean/Nervous", "Average", "Robust/Plethoric", "Not sure"],
                        value="Average"
                    )
            
            # Symptom Assessment
            with gr.Group(elem_classes="analysis-card"):
                gr.Markdown("### 🔍 Symptom Assessment")
                chief_complaint = gr.Textbox(
                    label="Chief Complaint",
                    placeholder="Describe your main health concern...",
                    lines=3
                )
                with gr.Row():
                    location = gr.Textbox(
                        label="Location",
                        placeholder="Where exactly are symptoms?",
                        lines=2
                    )
                    sensation = gr.Textbox(
                        label="Sensation",
                        placeholder="What does it feel like?",
                        lines=2
                    )
                intensity = gr.Slider(label="Intensity (1-10)", minimum=1, maximum=10, value=5)
            
            # Modalities
            with gr.Group(elem_classes="analysis-card"):
                gr.Markdown("### 📈 Modalities")
                with gr.Row():
                    aggravations = gr.Textbox(
                        label="Aggravating Factors",
                        placeholder="What makes it worse?",
                        lines=2
                    )
                    ameliorations = gr.Textbox(
                        label="Ameliorating Factors",
                        placeholder="What makes it better?",
                        lines=2
                    )
                timing = gr.Textbox(
                    label="Timing & Periodicity",
                    placeholder="When do symptoms occur?",
                    lines=2
                )
            
            # Emotional State
            with gr.Group(elem_classes="analysis-card"):
                gr.Markdown("### 😊 Emotional & Mental State")
                emotional_state = gr.Textbox(
                    label="Emotional State",
                    placeholder="Describe emotions, fears, mental symptoms...",
                    lines=2
                )
                generalities = gr.Textbox(
                    label="General Symptoms",
                    placeholder="Thermal preferences, food desires/aversions...",
                    lines=2
                )
            
            # Analysis Button
            analyze_btn = gr.Button(
                "🔬 Start Enhanced Analysis",
                variant="primary",
                elem_classes="primary-btn"
            )
            
            # Results Display
            results = gr.HTML(
                label="Analysis Results",
                elem_classes="results-container"
            )
            
            # Analysis function
            def analyze_symptoms(
                age_val, gender_val, constitution_val,
                complaint_val, location_val, sensation_val, intensity_val,
                aggravations_val, ameliorations_val, timing_val,
                emotional_val, generalities_val
            ):
                patient_data = {
                    "age": age_val,
                    "gender": gender_val,
                    "constitution": constitution_val,
                    "chief_complaint": complaint_val,
                    "location": location_val,
                    "sensation": sensation_val,
                    "intensity": intensity_val,
                    "aggravations": aggravations_val,
                    "ameliorations": ameliorations_val,
                    "timing": timing_val,
                    "emotional_state": emotional_val,
                    "generalities": generalities_val
                }
                
                result = analyzer.analyze_case(patient_data)
                return self._generate_results_html(result)
            
            # Connect button
            analyze_btn.click(
                fn=analyze_symptoms,
                inputs=[
                    age, gender, constitution,
                    chief_complaint, location, sensation, intensity,
                    aggravations, ameliorations, timing,
                    emotional_state, generalities
                ],
                outputs=results
            )
        
        return tab
    
    def create_medicine_tab(self):
        """Create medicine database tab"""
        with gr.Column(elem_id="medicine-tab") as tab:
            gr.Markdown("### 💊 Homeopathic Medicine Database")
            gr.Markdown("Search and explore detailed information about homeopathic remedies")
            
            # Search interface
            with gr.Row():
                search_input = gr.Textbox(
                    label="Search Remedies",
                    placeholder="Search by remedy name or indication (e.g., fever, headache, arnica)...",
                    scale=4
                )
                search_btn = gr.Button("Search", variant="primary", scale=1)
            
            # Search results
            search_results = gr.HTML(
                label="Search Results",
                elem_classes="results-container"
            )
            
            # Medicine details
            medicine_details = gr.HTML(
                label="Medicine Details",
                visible=False
            )
            
            # Search function
            def perform_search(query):
                if not query or len(query.strip()) < 2:
                    return "", gr.HTML(visible=False)
                
                results = search_remedies(query, max_results=10)
                
                if not results:
                    return "<div style='text-align: center; padding: 40px; color: #666;'>No remedies found. Try a different search term.</div>", gr.HTML(visible=False)
                
                html = "<div style='margin-bottom: 30px;'>"
                html += f"<h3 style='color: #374151; margin-bottom: 20px;'>Found {len(results)} remedies:</h3>"
                
                for name, data, match_type in results:
                    html += f"""
                    <div class='medicine-card' onclick='selectRemedy("{name}")' style='cursor: pointer;'>
                        <div style='display: flex; justify-content: space-between; align-items: start;'>
                            <div>
                                <h4 style='margin: 0 0 8px 0; color: #1e40af;'>{name}</h4>
                                <p style='margin: 0 0 8px 0; color: #6b7280; font-size: 14px;'>{data['description']}</p>
                                <div style='display: flex; gap: 8px; flex-wrap: wrap;'>
                    """
                    
                    for indication in data['indications'][:3]:
                        html += f'<span style="background: #f3f4f6; color: #4b5563; padding: 4px 8px; border-radius: 6px; font-size: 12px;">{indication}</span>'
                    
                    html += f"""
                                </div>
                            </div>
                            <div style='background: #f0f9ff; color: #0369a1; padding: 6px 12px; border-radius: 6px; font-size: 12px; font-weight: 500;'>
                                {data['potencies'].get('first_aid', '30C')}
                            </div>
                        </div>
                    </div>
                    """
                
                html += "</div>"
                html += """
                <script>
                function selectRemedy(name) {
                    // This would trigger a Gradio event in a real implementation
                    console.log('Selected remedy:', name);
                    // For now, we'll use a simple approach
                    document.querySelectorAll('.medicine-card').forEach(card => {
                        card.style.borderColor = '#e5e7eb';
                    });
                    event.currentTarget.style.borderColor = '#3b82f6';
                    
                    // In a full implementation, this would trigger a Gradio event
                    // For the demo, we'll just show an alert
                    alert('Click would show details for: ' + name);
                }
                </script>
                """
                
                return html, gr.HTML(visible=False)
            
            # Details function
            def show_remedy_details(name):
                if not name:
                    return ""
                
                data = get_remedy_details(name)
                if not data:
                    return "<div style='color: #666; text-align: center; padding: 40px;'>Remedy not found</div>"
                
                return self._generate_medicine_details_html(name, data)
            
            # Connect events
            search_input.submit(
                fn=perform_search,
                inputs=[search_input],
                outputs=[search_results, medicine_details]
            )
            
            search_btn.click(
                fn=perform_search,
                inputs=[search_input],
                outputs=[search_results, medicine_details]
            )
        
        return tab
    
    def _generate_results_html(self, analysis_result):
        """Generate HTML for analysis results"""
        if not analysis_result.get("success", False):
            return f"""
            <div style="text-align: center; padding: 40px; background: #f8f9fa; border-radius: 12px;">
                <div style="font-size: 48px; margin-bottom: 20px;">🏥</div>
                <h3 style="color: #6b7280; margin-bottom: 10px;">{analysis_result.get('message', 'Analysis Failed')}</h3>
                <p style="color: #9ca3af;">Please provide more detailed symptoms.</p>
            </div>
            """
        
        matches = analysis_result["matches"]
        if not matches:
            return """
            <div style="text-align: center; padding: 40px; background: #f8f9fa; border-radius: 12px;">
                <div style="font-size: 48px; margin-bottom: 20px;">🏥</div>
                <h3 style="color: #6b7280; margin-bottom: 10px;">No Clear Matches Found</h3>
                <p style="color: #9ca3af;">Try providing more specific symptom details.</p>
            </div>
            """
        
        top_match = matches[0]
        case_type = analysis_result.get("case_type", "acute")
        
        html = f"""
        <div style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;">
            
            <!-- Report Header -->
            <div style="background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%); 
                        padding: 28px; border-radius: 12px; margin-bottom: 24px; color: white;">
                <div style="display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px;">
                    <div>
                        <h2 style="margin: 0; font-size: 24px; font-weight: 600;">Enhanced Homeopathic Analysis</h2>
                        <p style="margin: 8px 0 0 0; opacity: 0.9; font-size: 15px;">
                            Case Type: <strong>{case_type.upper()}</strong> • Confidence: <strong>{top_match['score']:.1f}%</strong>
                        </p>
                    </div>
                    <div style="display: flex; gap: 16px;">
                        <div style="background: rgba(255,255,255,0.15); padding: 12px 20px; border-radius: 10px; text-align: center;">
                            <div style="font-size: 12px; opacity: 0.8;">Top Match</div>
                            <div style="font-size: 20px; font-weight: 700;">{top_match['name']}</div>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- Primary Recommendation -->
            <div style="background: white; border-radius: 12px; padding: 28px; margin-bottom: 24px; 
                        box-shadow: 0 2px 8px rgba(0,0,0,0.05); border: 1px solid #e5e7eb;">
                
                <div style="display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 16px;">
                    <div style="display: flex; align-items: center; gap: 16px;">
                        <div style="width: 60px; height: 60px; background: linear-gradient(135deg, #10b981, #059669); 
                                    border-radius: 12px; display: flex; align-items: center; justify-content: center; 
                                    color: white; font-size: 28px; font-weight: 700;">
                            1
                        </div>
                        <div>
                            <h3 style="margin: 0; color: #1f2937; font-size: 22px; font-weight: 600;">{top_match['name']}</h3>
                            <p style="margin: 4px 0 0 0; color: #6b7280; font-size: 16px;">{top_match['data']['description']}</p>
                        </div>
                    </div>
                </div>
                
                <!-- Recommendations -->
                <div style="margin-bottom: 24px;">
                    <h4 style="color: #1e40af; margin: 0 0 16px 0; font-size: 18px;">💊 Recommendations</h4>
                    
                    <div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px;">
        """
        
        rec = top_match.get("recommendations", {})
        if rec:
            html += f"""
            <div style="background: #f0f9ff; border-radius: 10px; padding: 20px; border-left: 4px solid #0ea5e9;">
                <div style="font-weight: 600; color: #0369a1; margin-bottom: 8px;">Primary Potency</div>
                <div style="font-size: 24px; font-weight: 700; color: #1e40af; margin-bottom: 4px;">{rec.get('primary_potency', '30C')}</div>
                <div style="color: #6b7280; font-size: 14px;">For {case_type} cases</div>
            </div>
            
            <div style="background: #f8fafc; border-radius: 10px; padding: 20px;">
                <div style="font-weight: 600; color: #4b5563; margin-bottom: 8px;">Administration</div>
                <div style="color: #1f2937; font-size: 16px; font-weight: 500; margin-bottom: 4px;">{rec.get('frequency', '3 times daily')}</div>
                <div style="color: #6b7280; font-size: 14px;">Duration: {rec.get('duration', '1-2 weeks')}</div>
            </div>
            
            <div style="background: #f8fafc; border-radius: 10px; padding: 20px;">
                <div style="font-weight: 600; color: #4b5563; margin-bottom: 8px;">Dosage</div>
                <div style="color: #6b7280; font-size: 14px;">{rec.get('dosage', '3-5 pellets sublingually')}</div>
            </div>
            """
        
        html += """
                    </div>
                </div>
                
                <!-- Match Reasons -->
                <div style="margin-bottom: 24px;">
                    <h4 style="color: #1e40af; margin: 0 0 12px 0; font-size: 18px;">🔍 Key Match Factors</h4>
                    <div style="background: #f8fafc; border-radius: 10px; padding: 20px;">
                        <ul style="margin: 0; padding-left: 20px;">
        """
        
        for reason in top_match.get("match_reasons", []):
            html += f'<li style="margin-bottom: 8px; color: #4b5563;">{reason}</li>'
        
        html += """
                        </ul>
                    </div>
                </div>
            </div>
            
            <!-- Alternative Remedies -->
            <div style="background: white; border-radius: 12px; padding: 28px; margin-bottom: 24px; 
                        box-shadow: 0 2px 8px rgba(0,0,0,0.05); border: 1px solid #e5e7eb;">
                
                <h3 style="color: #1f2937; margin: 0 0 20px 0; font-size: 20px; font-weight: 600;">Alternative Considerations</h3>
                
                <div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px;">
        """
        
        for i, match in enumerate(matches[1:4], 2):
            color = "#f59e0b" if match["score"] > 60 else "#6b7280"
            
            html += f"""
            <div style="border: 1px solid #e5e7eb; border-radius: 10px; padding: 20px;">
                <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px;">
                    <div style="display: flex; align-items: center; gap: 12px;">
                        <div style="width: 36px; height: 36px; background: {color}20; color: {color}; 
                                    border-radius: 8px; display: flex; align-items: center; justify-content: center; 
                                    font-weight: 700;">
                            {i}
                        </div>
                        <div style="font-weight: 600; color: #1f2937;">{match['name']}</div>
                    </div>
                    <div style="background: {color}10; color: {color}; padding: 4px 12px; border-radius: 20px; 
                                font-size: 13px; font-weight: 500;">
                        {match['score']:.1f}%
                    </div>
                </div>
                <div style="color: #6b7280; font-size: 14px; margin-bottom: 12px;">{match['data']['description']}</div>
                <div style="display: flex; gap: 8px; flex-wrap: wrap;">
            """
            
            for indication in match["data"]["indications"][:2]:
                html += f'<span style="background: #f3f4f6; color: #6b7280; padding: 4px 8px; border-radius: 6px; font-size: 12px;">{indication}</span>'
            
            html += """
                </div>
            </div>
            """
        
        html += """
                </div>
            </div>
            
            <!-- Disclaimer -->
            <div style="background: #fef2f2; border: 1px solid #fecaca; border-radius: 12px; padding: 20px;">
                <div style="display: flex; align-items: flex-start;">
                    <div style="color: #dc2626; font-size: 24px; margin-right: 16px;">⚠️</div>
                    <div>
                        <div style="font-weight: 600; color: #991b1b; margin-bottom: 8px; font-size: 16px;">Medical Disclaimer</div>
                        <div style="color: #7f1d1d; font-size: 14px; line-height: 1.5;">
                            This analysis is generated by AI for educational purposes only. It is not a substitute for 
                            professional medical advice, diagnosis, or treatment. Always consult a qualified homeopath 
                            or medical professional for health concerns.
                        </div>
                    </div>
                </div>
            </div>
            
        </div>
        """
        
        return html
    
    def _generate_medicine_details_html(self, name, data):
        """Generate HTML for medicine details"""
        html = f"""
        <div style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;">
            
            <div style="background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%); 
                        padding: 24px; border-radius: 12px; margin-bottom: 24px; color: white;">
                <h2 style="margin: 0; font-size: 24px; font-weight: 600;">{name}</h2>
                <p style="margin: 8px 0 0 0; opacity: 0.9; font-size: 16px;">{data['description']}</p>
            </div>
            
            <div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 24px;">
                
                <div style="background: white; border-radius: 10px; padding: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.05);">
                    <h3 style="color: #1e40af; margin: 0 0 12px 0; font-size: 18px;">🔍 Key Indications</h3>
                    <ul style="margin: 0; padding-left: 20px;">
        """
        
        for indication in data["indications"][:6]:
            html += f"<li style='margin-bottom: 6px; color: #4b5563;'>{indication}</li>"
        
        html += """
                    </ul>
                </div>
                
                <div style="background: white; border-radius: 10px; padding: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.05);">
                    <h3 style="color: #1e40af; margin: 0 0 12px 0; font-size: 18px;">📈 Modalities</h3>
                    <div style="margin-bottom: 16px;">
                        <div style="color: #ef4444; font-weight: 600; margin-bottom: 4px;">Worse:</div>
                        <div style="color: #6b7280;">"""
        
        html += ', '.join(data["modalities"]["worse"])
        
        html += """</div>
                    </div>
                    <div>
                        <div style="color: #10b981; font-weight: 600; margin-bottom: 4px;">Better:</div>
                        <div style="color: #6b7280;">"""
        
        html += ', '.join(data["modalities"]["better"])
        
        html += """</div>
                    </div>
                </div>
                
                <div style="background: white; border-radius: 10px; padding: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.05);">
                    <h3 style="color: #1e40af; margin: 0 0 12px 0; font-size: 18px;">💊 Potency Guide</h3>
                    <div style="display: grid; gap: 12px;">
        """
        
        for case_type, potencies in data["potencies"].items():
            if case_type != "recommended":
                html += f"""
                <div style="background: #f8fafc; padding: 12px; border-radius: 8px;">
                    <div style="font-weight: 600; color: #4b5563; text-transform: capitalize;">{case_type}:</div>
                    <div style="color: #6b7280;">
                """
                
                if isinstance(potencies, list):
                    html += ', '.join(potencies)
                else:
                    html += potencies
                
                html += "</div></div>"
        
        html += f"""
                    </div>
                    <div style="margin-top: 16px; padding: 12px; background: #f0f9ff; border-radius: 8px; border-left: 4px solid #0ea5e9;">
                        <div style="font-weight: 600; color: #0369a1;">Recommended:</div>
                        <div style="color: #0c4a6e;">{data['potencies'].get('recommended', '30C for acute cases')}</div>
                    </div>
                </div>
            </div>
            
            <div style="background: #fef2f2; border: 1px solid #fecaca; border-radius: 12px; padding: 20px; margin-top: 24px;">
                <div style="color: #991b1b; font-size: 14px; line-height: 1.5;">
                    <strong>Disclaimer:</strong> This information is for educational purposes only. 
                    Always consult a qualified homeopathic practitioner for treatment recommendations.
                </div>
            </div>
            
        </div>
        """
        
        return html