# ui_components.py
"""UI components and helper functions for PPT Generator"""

import gradio as gr
from typing import List, Dict, Tuple
from constants import STYLE_TEMPLATES, PPT_TEMPLATES, DESIGN_THEMES, EXAMPLE_TOPICS, AUDIENCE_TYPES
from content_utils import generate_dynamic_slides

def create_custom_slides_ui(initial_count=5):
    """Custom slides configuration UI (3-20 slides)"""
    slides = []
    for i in range(20):  # Max 20 slides
        row = gr.Row(visible=(i < initial_count))
        with row:
            with gr.Column(scale=2):
                title = gr.Textbox(
                    label=f"Slide {i+1} Title",
                    placeholder="e.g., Current Analysis, Solution, Roadmap...",
                )
            with gr.Column(scale=3):
                style = gr.Dropdown(
                    choices=list(STYLE_TEMPLATES.keys()),
                    label=f"Style Selection",
                    value="Colorful Mind Map"
                )
            with gr.Column(scale=3):
                hint = gr.Textbox(
                    label=f"Prompt Hint",
                    placeholder="Content to express in this slide"
                )
        slides.append({"title": title, "style": style, "hint": hint, "row": row})
    return slides

def load_example(template_name, language):
    """Load example topic for template"""
    lang_key = "Korean" if language == "Korean" else "English"
    example_topic = EXAMPLE_TOPICS[lang_key].get(template_name, "")
    return example_topic

def update_audience_info(audience_type):
    """Display audience information"""
    info = AUDIENCE_TYPES.get(audience_type, {})
    return f"""**{info.get('description', '')}**
- Tone: {info.get('tone', '')}
- Focus: {info.get('focus', '')}"""

def update_theme_preview(theme_name):
    """Generate theme preview HTML"""
    theme = DESIGN_THEMES.get(theme_name, DESIGN_THEMES["Minimal Light"])
    
    # Convert RGB to hex
    def rgb_to_hex(rgb_color):
        return f"#{rgb_color[0]:02x}{rgb_color[1]:02x}{rgb_color[2]:02x}"
    
    bg_hex = rgb_to_hex(theme["background"])
    box_hex = rgb_to_hex(theme["box_fill"])
    title_hex = rgb_to_hex(theme["title_color"])
    text_hex = rgb_to_hex(theme["text_color"])
    accent_hex = rgb_to_hex(theme["accent_color"])
    
    preview_html = f"""
    <div style="
        background: {bg_hex};
        padding: 20px;
        border-radius: 8px;
        margin: 10px 0;
    ">
        <div style="
            background: {box_hex};
            opacity: {theme['box_opacity']};
            padding: 15px;
            border-radius: 12px;
            margin-bottom: 10px;
            {'box-shadow: 0 4px 8px rgba(0,0,0,0.1);' if theme['shadow'] else ''}
        ">
            <h4 style="color: {title_hex}; margin: 0 0 10px 0;">{theme['name']}</h4>
            <p style="color: {text_hex}; margin: 0; font-size: 14px;">
                {theme['description']}
            </p>
            <div style="
                width: 40px;
                height: 4px;
                background: {accent_hex};
                margin-top: 10px;
                border-radius: 2px;
            "></div>
        </div>
    </div>
    """
    return preview_html

def update_template_info(template_name, slide_count):
    is_custom = template_name == "Custom"
    info = ""
    
    if not is_custom and template_name in PPT_TEMPLATES:
        template = PPT_TEMPLATES[template_name]
        info = f"**{template['description']}**\n\n"
        
        # Show dynamically generated slide composition
        slides = generate_dynamic_slides("", template, slide_count)
        info += f"Slides to be generated ({len(slides)} total):\n"
        for i, slide in enumerate(slides):
            style_info = STYLE_TEMPLATES.get(slide['style'], {})
            info += f"{i+1}. {slide['title']} - {style_info.get('use_case', '')}"
            if style_info.get('is_process_flow'):
                info += " 🔧"
            info += "\n"
    elif is_custom:
        info = "**Custom Template**\n\nConfigure your slides directly in the 'Custom Slide Configuration' section below."
    
    # Hide slide count selection for custom template
    slide_count_visible = not is_custom
    custom_accordion_open = is_custom
    
    return info, gr.update(visible=slide_count_visible), gr.update(open=custom_accordion_open)

def update_custom_slides_visibility(count):
    """Update UI visibility based on custom slide count"""
    updates = []
    for i in range(20):
        updates.append(gr.update(visible=(i < count)))  # row
    return updates

def clear_all():
    """모든 내용 초기화"""
    return "", "", "", None, "🔄 초기화되었습니다."

def get_css():
    """Get custom CSS for the interface"""
    return """
    .preview-container { max-width: 1400px; margin: 0 auto; }
    .slide-container { transition: all 0.3s ease; }
    .slide-container:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15) !important; }
    #custom_accordion .form { 
        max-height: 600px; 
        overflow-y: auto; 
        padding-right: 10px;
    }
    #custom_accordion .form::-webkit-scrollbar {
        width: 6px;
    }
    #custom_accordion .form::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 3px;
    }
    #custom_accordion .form::-webkit-scrollbar-thumb {
        background: #888;
        border-radius: 3px;
    }
    #custom_accordion .form::-webkit-scrollbar-thumb:hover {
        background: #555;
    }
    .supervisor-box textarea {
        border-left: 4px solid #667eea !important;
        padding-left: 10px !important;
    }
    .researcher-box textarea {
        border-left: 4px solid #10b981 !important;
        padding-left: 10px !important;
    }
    .executor-box textarea {
        border-left: 4px solid #764ba2 !important;
        padding-left: 10px !important;
    }
    """

def get_usage_instructions():
    """Get usage instructions markdown"""
    return """
    ### 🔄 Workflow:
    1. **Select Language**: Choose English or Korean for your presentation content
    2. **Load Example** or enter your own topic
    3. **Select Audience**: Content will be automatically optimized for your target audience
    4. **Choose Template and Theme**, then click generate
    5. **Download**: Download the PPTX file when generation is complete
    
    ### 🤖 3-AI Collaboration System:
    - **Supervisor AI**: Designs PPT structure and provides guidance
    - **Researcher AI**: Searches and organizes content information
    - **Executor AI**: Creates actual PPT slides
    
    ### 🌐 Language Support:
    - **English**: Default interface language with English content generation
    - **Korean**: Select for Korean content generation (full Korean PPT support)
    
    ### 🎭 Audience Features:
    - **Executives/C-Level**: Strategic value, ROI, business impact focus
    - **Investors**: Market opportunity, growth potential, profitability emphasis
    - **Technical Team**: Technical details, implementation methods, performance metrics
    - **General Staff**: Practical content, collaboration methods, execution plans
    - **Customers/Partners**: Customer value, benefits, success stories
    - **General Public**: Easy explanations, usability, practical benefits
    
    ### 💡 Text Style Features:
    - **Concise noun-ending style**: Ends with nouns or short phrases
    - **Emoji usage**: Relevant emojis automatically added before each point
    - **8-12 words**: Each bullet point is very concise
    
    ### 📝 Custom Slides:
    - **Build your own**: Activated when selecting "Custom" template
    - **3-20 slides freely**: Choose number of slides with slider
    - **Style per slide**: Choose from 16 styles for each slide
    - **Provide hints**: Guide content direction with prompt hints
    
    ### 🔧 Process Flow Diagrams:
    - **Automatic generation** for Business Workflow or Flowchart styles
    - Full support for both English and Korean text
    - Process, decision, input/output node types supported
    """