"""
title: 📊 Smart Infographic (AntV)
author: jeff
author_url: https://github.com/Fu-Jie/awesome-openwebui
icon_url: data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNCIgaGVpZ2h0PSIyNCIgdmlld0JveD0iMCAwIDI0IDI0IiBmaWxsPSJub25lIiBzdHJva2U9ImN1cnJlbnRDb2xvciIgc3Ryb2tlLXdpZHRoPSIxLjciIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLWxpbmVqb2luPSJyb3VuZCI+CiAgPHBhdGggZD0iTTMuNSAyMC41aDE3IiAvPgogIDxwYXRoIGQ9Ik04IDIwLjV2LTguNSIgLz4KICA8cGF0aCBkPSJNMTIgMjAuNXYtMTMiIC8+CiAgPHBhdGggZD0iTTE2IDIwLjV2LTYiIC8+Cjwvc3ZnPg==
version: 1.3.0
description: AI-powered infographic generator based on AntV Infographic. Supports professional templates, auto-icon matching, and SVG/PNG downloads.
"""

from pydantic import BaseModel, Field
from typing import Optional, Dict, Any
import logging
import time
import re
from fastapi import Request
from datetime import datetime

from open_webui.utils.chat import generate_chat_completion
from open_webui.models.users import Users

logging.basicConfig(
    level=logging.INFO, format="%(asctime)s - %(name)s - %(levelname)s - %(message)s"
)
logger = logging.getLogger(__name__)

# =================================================================
# LLM Prompts
# =================================================================

SYSTEM_PROMPT_INFOGRAPHIC_ASSISTANT = """
You are a professional infographic design expert who can analyze user-provided text content and convert it into AntV Infographic syntax format.

## Infographic Syntax Specification

Infographic syntax is a Mermaid-like declarative syntax for describing infographic templates, data, and themes.

### Syntax Rules
- Entry uses `infographic <template-name>`
- Key-value pairs are separated by spaces, **absolutely NO colons allowed**
- Use two spaces for indentation
- Object arrays use `-` with line breaks

⚠️ **IMPORTANT WARNING: This is NOT YAML format!**
- ❌ Wrong: `children:` `items:` `data:` (with colons)
- ✅ Correct: `children` `items` `data` (without colons)

### Template Library & Selection Guide

Choose the most appropriate template based on the content structure:

#### 1. List & Hierarchy
- **List**: `list-grid` (Grid Cards), `list-vertical` (Vertical List)
- **Tree**: `tree-vertical` (Vertical Tree), `tree-horizontal` (Horizontal Tree)
- **Mindmap**: `mindmap` (Mind Map)

#### 2. Sequence & Relationship
- **Process**: `sequence-roadmap` (Roadmap), `sequence-zigzag` (Zigzag Process), `sequence-horizontal` (Horizontal Process)
- **Relationship**: `relation-sankey` (Sankey Diagram), `relation-circle` (Circular Relationship)

#### 3. Comparison & Analysis
- **Comparison**: `compare-binary` (Binary Comparison), `list-grid` (Multi-item Grid Comparison)
- **Analysis**: `compare-swot` (SWOT Analysis), `quadrant-quarter` (Quadrant Chart)

#### 4. Charts & Data
- **Statistics**: `statistic-card` (Statistic Cards)
- **Charts**: `chart-bar` (Bar Chart), `chart-column` (Column Chart), `chart-line` (Line Chart), `chart-pie` (Pie Chart), `chart-doughnut` (Doughnut Chart), `chart-area` (Area Chart)

### Data Structure Examples

#### A. Standard List/Tree (Default)
Use `items` and `children` structure.

```infographic
infographic list-grid
data
  title Project Modules
  items
    - label Module A
      desc Description of A
    - label Module B
      desc Description of B
```


#### B. Binary Comparison
Use `items` for two sides and `children` for comparison points.

```infographic
infographic compare-binary
data
  title Advantages vs Disadvantages
  desc Compare two aspects side by side
  items
    - label Advantages
      children
        - label Strong R&D
          desc Leading technology and innovation capability
        - label High customer loyalty
          desc Repurchase rate over 60%
    - label Disadvantages
      children
        - label Weak brand exposure
          desc Insufficient marketing, low awareness
        - label Narrow channel coverage
          desc Limited online channels
```

#### C. SWOT Analysis
Use `children` to define the 4 quadrants (Strengths, Weaknesses, Opportunities, Threats).

```infographic
infographic compare-swot
data
  title Product SWOT Analysis
  items
    - label Internal Factors
      children
        - label Strengths
          children
            - label High Performance
            - label Low Cost
        - label Weaknesses
          children
            - label Limited Features
    - label External Factors
      children
        - label Opportunities
          children
            - label Growing Market
        - label Threats
          children
            - label New Competitors
```

#### D. Quadrant Chart
Use `items` for quadrants and `illus` for icons.

```infographic
infographic quadrant-quarter
data
  title Priority Matrix
  items
    - label High Importance
      children
        - label Urgent
          desc Do it now
          illus mdi/alert
        - label Not Urgent
          desc Schedule it
          illus mdi/calendar
    - label Low Importance
      children
        - label Urgent
          desc Delegate it
          illus mdi/account-arrow-right
        - label Not Urgent
          desc Delete it
          illus mdi/delete
```

#### E. Stylize Configuration
You can apply specific visual styles using the `theme` block.

**Supported Styles (`stylize`):**
- `rough`: Hand-drawn style
- `pattern`: Pattern fill
- `linear-gradient`: Linear gradient fill
- `radial-gradient`: Radial gradient fill

**Example (Rough Style):**
```infographic
infographic list-row-simple-horizontal-arrow
theme
  stylize rough
data
  ...
```

**Example (Gradient Style):**
```infographic
infographic chart-bar
theme
  stylize linear-gradient
data
  ...
```
#### F. Charts (Bar/Column/Line/Pie)
Use `items` with `label` and `value`.

```infographic
infographic chart-bar
data
  title Quarterly Revenue
  items
    - label Q1
      value 120
    - label Q2
      value 150
    - label Q3
      value 180
    - label Q4
      value 220
```

### Common Data Fields
- `label`: Main title/label (Required)
- `desc`: Description text
- `value`: Numeric value (for charts)
- `icon`: Icon name (e.g., `mdi/home`, `mdi/account`) or `ref:search:<keyword>`
- `children`: Nested items (for trees, SWOT, etc.)
- `illus`: Illustration icon (specific to some templates like Quadrant)

## Output Requirements
1. **Language**: Output content in the user's language.
2. **Format**: Wrap output in ```infographic ... ```.
3. **No Colons**: Do NOT use colons after keys.
4. **Indentation**: Use 2 spaces.
"""

USER_PROMPT_GENERATE_INFOGRAPHIC = """
Please analyze the following text content and convert its core information into AntV Infographic syntax format.

---
**User Context:**
User Name: {user_name}
Current Date/Time: {current_date_time_str}
User Language: {user_language}
---

**Text Content:**
{long_text_content}

Please select the most appropriate infographic template based on text characteristics and output standard infographic syntax. Pay attention to correct indentation format (two spaces).

**Important Note:** 
- If using `list-grid` format, ensure each card's `desc` description is limited to **maximum 30 Chinese characters** (or **approximately 60 English characters**) to maintain visual consistency with all descriptions fitting in 2 lines.
- Descriptions should be concise and highlight key points.
"""

# =================================================================
# HTML Container Template
# =================================================================

HTML_WRAPPER_TEMPLATE = """
<!-- OPENWEBUI_PLUGIN_OUTPUT -->
<!DOCTYPE html>
<html lang="{user_language}">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
        body { 
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; 
            margin: 0; 
            padding: 10px; 
            background-color: transparent; 
        }
        #main-container { 
            display: flex; 
            flex-wrap: wrap; 
            gap: 20px; 
            align-items: flex-start; 
            width: 100%;
        }
        .plugin-item { 
            flex: 1 1 400px;
            min-width: 300px; 
            border-radius: 12px; 
            overflow: hidden; 
            transition: all 0.3s ease;
        }
        .plugin-item:hover {
            transform: translateY(-2px);
        }
        @media (max-width: 768px) { 
            .plugin-item { flex: 1 1 100%; } 
        }
        /* STYLES_INSERTION_POINT */
    </style>
</head>
<body>
    <div id="main-container">
        <!-- CONTENT_INSERTION_POINT -->
    </div>
    <!-- SCRIPTS_INSERTION_POINT -->
</body>
</html>
"""

# =================================================================
# CSS Style Template
# =================================================================

CSS_TEMPLATE_INFOGRAPHIC = """
:root {
    --ig-primary-color: #6366f1;
    --ig-secondary-color: #8b5cf6;
    --ig-tertiary-color: #10b981;
    --ig-background-color: #f8fafc;
    --ig-card-bg-color: #ffffff;
    --ig-text-color: #1e293b;
    --ig-muted-text-color: #64748b;
    --ig-border-color: #e2e8f0;
    --ig-header-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);
}
.infographic-container-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--ig-text-color);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.infographic-container-wrapper .header {
    background: var(--ig-header-gradient);
    color: white;
    padding: 20px 24px;
    text-align: center;
}
.infographic-container-wrapper .header h1 {
    margin: 0;
    font-size: 1.5em;
    font-weight: 600;
}
.infographic-container-wrapper .user-context {
    font-size: 0.8em;
    color: var(--ig-muted-text-color);
    background-color: #f1f5f9;
    padding: 8px 16px;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--ig-border-color);
}
.infographic-container-wrapper .content-area {
    padding: 20px;
    flex-grow: 1;
}
.infographic-container-wrapper .infographic-render-container {
    border-radius: 8px;
    padding: 16px;
    background: #fff;
    overflow: visible; /* Ensure content is visible */
    transition: height 0.3s ease;
}
.infographic-render-container svg text {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif !important;
}
.infographic-render-container svg foreignObject {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif !important;
    line-height: 1.4 !important;
}
/* Main title styles */
.infographic-render-container svg foreignObject[data-element-type="title"] > * {
    font-size: 1.5em !important;
    font-weight: bold !important;
    line-height: 1.4 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}
/* Page subtitle and card title styles */
.infographic-render-container svg foreignObject[data-element-type="desc"] > *,
.infographic-render-container svg foreignObject[data-element-type="item-label"] > * {
    font-size: 0.6em !important;
    line-height: 1.4 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}
/* Card title with extra bottom spacing */
.infographic-render-container svg foreignObject[data-element-type="item-label"] > * {
    padding-bottom: 8px !important;
    display: block !important;
}
/* Card description text keeps normal wrapping */
.infographic-render-container svg foreignObject[data-element-type="item-desc"] > * {
    line-height: 1.4 !important;
    white-space: normal !important;
}
.infographic-container-wrapper .download-area {
    text-align: center;
    padding-top: 20px;
    margin-top: 20px;
    border-top: 1px solid var(--ig-border-color);
}
.infographic-container-wrapper .download-btn {
    background-color: var(--ig-primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.9em;
    cursor: pointer;
    transition: all 0.2s;
    margin: 4px 6px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.infographic-container-wrapper .download-btn.secondary {
    background-color: var(--ig-secondary-color);
}
.infographic-container-wrapper .download-btn.tertiary {
    background-color: var(--ig-tertiary-color);
}
.infographic-container-wrapper .download-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.infographic-container-wrapper .footer {
    text-align: center;
    padding: 16px;
    font-size: 0.8em;
    color: var(--ig-muted-text-color);
    background-color: #f8fafc;
    border-top: 1px solid var(--ig-border-color);
}
.infographic-container-wrapper .error-message {
    color: #dc2626;
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    padding: 16px;
    border-radius: 8px;
    text-align: center;
}
"""

# =================================================================
# HTML Content Template
# =================================================================

CONTENT_TEMPLATE_INFOGRAPHIC = """
<div class="infographic-container-wrapper">
    <div class="header">
        <h1>📊 Smart Infographic</h1>
    </div>
    <div class="user-context">
        <span><strong>User:</strong> {user_name}</span>
        <span><strong>Time:</strong> {current_date_time_str}</span>
    </div>
    <div class="content-area">
        <div class="infographic-render-container" id="infographic-container-{unique_id}"></div>
        <div class="download-area">
            <button id="download-svg-btn-{unique_id}" class="download-btn">
                <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                    <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/>
                    <polyline points="7 10 12 15 17 10"/>
                    <line x1="12" y1="15" x2="12" y2="3"/>
                </svg>
                <span class="btn-text">Download SVG</span>
            </button>
            <button id="download-png-btn-{unique_id}" class="download-btn secondary">
                <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                    <rect x="3" y="3" width="18" height="18" rx="2" ry="2"/>
                    <circle cx="8.5" cy="8.5" r="1.5"/>
                    <polyline points="21 15 16 10 5 21"/>
                </svg>
                <span class="btn-text">Download PNG</span>
            </button>
            <button id="download-html-btn-{unique_id}" class="download-btn tertiary">
                <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                    <polyline points="16 18 22 12 16 6"/>
                    <polyline points="8 6 2 12 8 18"/>
                </svg>
                <span class="btn-text">Download HTML</span>
            </button>
        </div>
    </div>
    <div class="footer">
        <p>© {current_year} Infographic • <a href="https://infographic.antv.vision/" target="_blank" style="display: inline-flex; align-items: center; vertical-align: middle;">
            <svg width="24" height="25" viewBox="0 0 291 300" fill="none" xmlns="http://www.w3.org/2000/svg" style="margin-left: 4px;">
                <g><path d="M140.904 239.376C128.83 239.683 119.675 239.299 115.448 243.843C110.902 248.07 111.288 257.227 110.979 269.302C111.118 274.675 111.118 279.478 111.472 283.52C111.662 285.638 111.95 287.547 112.406 289.224C112.411 289.243 112.416 289.259 112.422 289.28C112.462 289.419 112.496 289.558 112.539 289.691C113.168 291.787 114.088 293.491 115.446 294.758C116.662 296.064 118.283 296.963 120.264 297.59C120.36 297.614 120.464 297.646 120.555 297.675C120.56 297.68 120.56 297.68 120.566 297.68C120.848 297.768 121.142 297.846 121.443 297.923C121.454 297.923 121.464 297.928 121.478 297.934C122.875 298.272 124.424 298.507 126.11 298.678C126.326 298.696 126.542 298.718 126.763 298.739C130.79 299.086 135.558 299.088 140.904 299.222C152.974 298.912 162.128 299.302 166.36 294.758C170.904 290.526 170.515 281.371 170.824 269.302C170.515 257.227 170.907 248.07 166.36 243.843C162.131 239.299 152.974 239.683 140.904 239.376Z" fill="#FF6376"></path><path d="M21.2155 128.398C12.6555 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            </svg>
        </a></p>
    </div>
</div>

<script type="text/template" id="infographic-source-{unique_id}">{infographic_syntax}</script>
"""

# =================================================================
# JavaScript Rendering Script
# =================================================================

SCRIPT_TEMPLATE_INFOGRAPHIC = """
<script src="https://unpkg.com/@antv/infographic@latest/dist/infographic.min.js"></script>
<script>
(function() {{
    const renderInfographic = () => {{
        const uniqueId = "{unique_id}";
        const containerEl = document.getElementById('infographic-container-' + uniqueId);
        if (!containerEl || containerEl.dataset.infographicRendered) return;

        const sourceEl = document.getElementById('infographic-source-' + uniqueId);
        if (!sourceEl) return;

        let syntaxContent = sourceEl.textContent.trim();
        if (!syntaxContent) {{
            containerEl.innerHTML = '<div class="error-message">⚠️ Unable to load infographic: missing valid content.</div>';
            return;
        }}

        console.log('[Infographic] Original syntax content:', syntaxContent);

        // Remove code block markers - use more robust string handling
        const backtick = String.fromCharCode(96);
        const prefix = backtick + backtick + backtick + 'infographic';
        const simplePrefix = backtick + backtick + backtick;
        
        if (syntaxContent.toLowerCase().startsWith(prefix)) {{
            syntaxContent = syntaxContent.substring(prefix.length).trim();
        }} else if (syntaxContent.startsWith(simplePrefix)) {{
            syntaxContent = syntaxContent.substring(simplePrefix.length).trim();
        }}
        
        if (syntaxContent.endsWith(simplePrefix)) {{
            syntaxContent = syntaxContent.substring(0, syntaxContent.length - simplePrefix.length).trim();
        }}

        // Fix syntax: remove colons after keywords (LLM may incorrectly add them)
        // e.g.: children: -> children, items: -> items, data: -> data
        syntaxContent = syntaxContent.replace(/^(data|items|children|theme|config):/gm, '$1');
        syntaxContent = syntaxContent.replace(/(\\s)(children|items):/g, '$1$2');

        // 1. Fallback check: ensure infographic prefix
        if (!syntaxContent.trim().toLowerCase().startsWith('infographic')) {{
            const firstWord = syntaxContent.trim().split(/\\s+/)[0].toLowerCase();
            if (!['data', 'theme', 'design', 'items'].includes(firstWord)) {{
                console.log('[Infographic] Missing prefix detected, auto-completing');
                syntaxContent = 'infographic ' + syntaxContent;
            }}
        }}

        // 2. Template Mapping Configuration
        const TEMPLATE_MAPPING = {{
            // List & Hierarchy
            'list-grid': 'list-grid-compact-card',
            'list-vertical': 'list-column-simple-vertical-arrow',
            'tree-vertical': 'hierarchy-tree-tech-style-capsule-item',
            'tree-horizontal': 'hierarchy-tree-lr-tech-style-capsule-item',
            'mindmap': 'hierarchy-mindmap-branch-gradient-capsule-item',
            
            // Sequence & Relationship
            'sequence-roadmap': 'sequence-roadmap-vertical-simple',
            'sequence-zigzag': 'sequence-horizontal-zigzag-simple',
            'sequence-horizontal': 'sequence-horizontal-zigzag-simple',
            'relation-sankey': 'relation-sankey-simple',
            'relation-circle': 'relation-circle-icon-badge',
            
            // Comparison & Analysis
            'compare-binary': 'compare-binary-horizontal-simple-vs',
            'compare-swot': 'compare-swot',
            'quadrant-quarter': 'quadrant-quarter-simple-card',
            
            // Charts & Data
            'statistic-card': 'list-grid-compact-card',
            'chart-bar': 'chart-bar-plain-text',
            'chart-column': 'chart-column-simple',
            'chart-line': 'chart-line-plain-text',
            'chart-area': 'chart-area-simple',
            'chart-pie': 'chart-pie-plain-text',
            'chart-doughnut': 'chart-pie-donut-plain-text'
        }};

        // 3. Apply Mapping Strategy
        for (const [key, value] of Object.entries(TEMPLATE_MAPPING)) {{
            const regex = new RegExp(`infographic\\\\s+${{key}}(?=\\\\s|$)`, 'i');
            if (regex.test(syntaxContent)) {{
                console.log(`[Infographic] Auto-mapping template: ${{key}} -> ${{value}}`);
                syntaxContent = syntaxContent.replace(regex, `infographic ${{value}}`);
                break; 
            }}
        }}

        // --- Style Extraction & Application ---
        const bgMatch = syntaxContent.match(/backgroundColor\\s+(#[0-9a-fA-F]{{6}}|#[0-9a-fA-F]{{3}}|[a-zA-Z]+)/);
        if (bgMatch && bgMatch[1]) {{
            containerEl.style.backgroundColor = bgMatch[1];
        }} else {{
            containerEl.style.backgroundColor = '#ffffff';
        }}

        const textMatch = syntaxContent.match(/textColor\\s+(#[0-9a-fA-F]{{6}}|#[0-9a-fA-F]{{3}}|[a-zA-Z]+)/);
        if (textMatch && textMatch[1]) {{
            containerEl.style.color = textMatch[1];
        }} else {{
             containerEl.style.color = '';
        }}

        // --- Syntax Cleaning ---
        // Remove unsupported theme properties
        const nl = String.fromCharCode(10);
        const cleanRegex = new RegExp('^\\\\s*(roughness|stylize|backgroundColor|textColor|colorBg).*(' + nl + '\\\\s+.*)*', 'gm');
        syntaxContent = syntaxContent.replace(cleanRegex, '');
        
        syntaxContent = syntaxContent.trim();
        
        // Temporary fallback strategy
        if (/infographic\\s+list-vertical/.test(syntaxContent)) {{
             console.log('[Infographic] Detected list-vertical, temporarily downgrading to list-row-simple-horizontal-arrow');
             syntaxContent = syntaxContent.replace(/infographic\\s+list-vertical/, 'infographic list-row-simple-horizontal-arrow');
        }}

        console.log('[Infographic] Cleaned syntax content:', syntaxContent);

        if (typeof AntVInfographic === 'undefined') {{
            console.error('[Infographic] AntVInfographic library not loaded');
            containerEl.innerHTML = '<div class="error-message">⚠️ Unable to load AntV Infographic library. Please check your network connection.</div>';
            return;
        }}

        try {{
            const {{ Infographic }} = AntVInfographic;
            
            // Use ID selector string
            const containerId = '#' + containerEl.id;
            
            const instance = new Infographic({{
                container: containerId,
                width: '100%',
                // height: '100%', // Remove fixed height to allow auto-sizing
                padding: 24,
            }});
            
            console.log('[Infographic] Rendering...');
            instance.render(syntaxContent);
            containerEl.dataset.infographicRendered = 'true';
            console.log('[Infographic] Rendering complete');

            // Auto-adjust height
            setTimeout(() => {
                const svg = containerEl.querySelector('svg');
                if (svg) {
                    const bbox = svg.getBoundingClientRect();
                    let contentHeight = bbox.height;
                    if (svg.viewBox && svg.viewBox.baseVal && svg.viewBox.baseVal.height) {
                        contentHeight = svg.viewBox.baseVal.height;
                    }
                    const finalHeight = contentHeight + 40; 
                    containerEl.style.minHeight = finalHeight + 'px';
                    containerEl.style.height = 'auto';
                }
            }, 500);
            
            attachDownloadHandlers(uniqueId, syntaxContent);

        }} catch (error) {{
            console.error('[Infographic] Rendering error:', error);
            containerEl.innerHTML = '<div class="error-message">⚠️ Infographic rendering failed!<br>Reason: ' + error.message + '</div>';
        }}
    }};

    const attachDownloadHandlers = (uniqueId, syntaxContent) => {{
        const downloadSvgBtn = document.getElementById('download-svg-btn-' + uniqueId);
        const downloadPngBtn = document.getElementById('download-png-btn-' + uniqueId);
        const downloadHtmlBtn = document.getElementById('download-html-btn-' + uniqueId);
        const containerEl = document.getElementById('infographic-container-' + uniqueId);

        const showFeedback = (button, isSuccess, msg) => {{
            const buttonText = button.querySelector('.btn-text');
            const originalText = buttonText.textContent;
            button.disabled = true;
            buttonText.textContent = isSuccess ? '✅ ' + (msg || 'Success') : '❌ Failed';
            setTimeout(() => {{
                buttonText.textContent = originalText;
                button.disabled = false;
            }}, 2000);
        }};

        const downloadFile = (content, filename, mimeType) => {{
            const blob = new Blob([content], {{ type: mimeType }});
            const url = URL.createObjectURL(blob);
            const a = document.createElement('a');
            a.href = url;
            a.download = filename;
            document.body.appendChild(a);
            a.click();
            document.body.removeChild(a);
            URL.revokeObjectURL(url);
        }};

        if (downloadSvgBtn) {{
            downloadSvgBtn.addEventListener('click', (event) => {{
                event.stopPropagation();
                const svgEl = containerEl.querySelector('svg');
                if (svgEl) {{
                    const svgData = new XMLSerializer().serializeToString(svgEl);
                    downloadFile(svgData, 'infographic_' + uniqueId + '.svg', 'image/svg+xml');
                    showFeedback(downloadSvgBtn, true, 'Downloaded');
                }} else {{
                    showFeedback(downloadSvgBtn, false);
                }}
            }});
        }}

        if (downloadPngBtn) {{
            downloadPngBtn.addEventListener('click', (event) => {{
                event.stopPropagation();
                const svgEl = containerEl.querySelector('svg');
                if (svgEl) {{
                    // Get SVG actual dimensions
                    const bbox = svgEl.getBoundingClientRect();
                    const width = bbox.width || svgEl.viewBox?.baseVal?.width || 800;
                    const height = bbox.height || svgEl.viewBox?.baseVal?.height || 600;
                    
                    // Clone SVG and set explicit dimensions
                    const clonedSvg = svgEl.cloneNode(true);
                    clonedSvg.setAttribute('width', width);
                    clonedSvg.setAttribute('height', height);
                    clonedSvg.setAttribute('xmlns', 'http://www.w3.org/2000/svg');
                    
                    const svgData = new XMLSerializer().serializeToString(clonedSvg);
                    const canvas = document.createElement('canvas');
                    const ctx = canvas.getContext('2d');
                    const img = new Image();
                    
                    // Use Base64 encoding to avoid special character issues
                    const base64Data = btoa(unescape(encodeURIComponent(svgData)));
                    const dataUrl = 'data:image/svg+xml;base64,' + base64Data;
                    
                    img.onload = () => {{
                        const scale = 2;
                        canvas.width = width * scale;
                        canvas.height = height * scale;
                        ctx.scale(scale, scale);
                        ctx.fillStyle = '#ffffff';
                        ctx.fillRect(0, 0, canvas.width, canvas.height);
                        ctx.drawImage(img, 0, 0, width, height);
                        
                        canvas.toBlob((blob) => {{
                            if (blob) {{
                                const pngUrl = URL.createObjectURL(blob);
                                const a = document.createElement('a');
                                a.href = pngUrl;
                                a.download = 'infographic_' + uniqueId + '.png';
                                a.click();
                                URL.revokeObjectURL(pngUrl);
                                showFeedback(downloadPngBtn, true, 'Downloaded');
                            }} else {{
                                console.error('[Infographic] PNG blob creation failed');
                                showFeedback(downloadPngBtn, false);
                            }}
                        }}, 'image/png');
                    }};
                    
                    img.onerror = (err) => {{
                        console.error('[Infographic] SVG to image conversion failed:', err);
                        showFeedback(downloadPngBtn, false);
                    }};
                    
                    img.src = dataUrl;
                }} else {{
                    showFeedback(downloadPngBtn, false);
                }}
            }});
        }}

        if (downloadHtmlBtn) {{
            downloadHtmlBtn.addEventListener('click', (event) => {{
                event.stopPropagation();
                const htmlContent = `<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Infographic</title>
    <script src="https://unpkg.com/@antv/infographic@latest/dist/infographic.min.js"><\\/script>
    <style>
        body {{ margin: 0; padding: 20px; background: #f5f5f5; }}
        #container {{ background: white; border-radius: 8px; padding: 20px; max-width: 900px; margin: 0 auto; }}
    </style>
</head>
<body>
    <div id="container"></div>
    <script>
        const {{ Infographic }} = AntVInfographic;
        const instance = new Infographic({{
            container: '#container',
            width: '100%',
            padding: 24,
        }});
        instance.render(\`${{syntaxContent.replace(/`/g, '\\\\`')}}\`);
    <\\/script>
</body>
</html>`;
                downloadFile(htmlContent, 'infographic_' + uniqueId + '.html', 'text/html');
                showFeedback(downloadHtmlBtn, true, 'Downloaded');
            }});
        }}
    }};

    if (document.readyState === 'loading') {{
        document.addEventListener('DOMContentLoaded', renderInfographic);
    }} else {{
        renderInfographic();
    }}
}})();
</script>
"""


class Action:
    class Valves(BaseModel):
        SHOW_STATUS: bool = Field(
            default=True, description="Show operation status updates in chat interface."
        )
        MODEL_ID: str = Field(
            default="",
            description="Built-in LLM model ID for text analysis. If empty, uses current conversation model.",
        )
        MIN_TEXT_LENGTH: int = Field(
            default=100,
            description="Minimum text length (characters) required for infographic analysis.",
        )
        CLEAR_PREVIOUS_HTML: bool = Field(
            default=False,
            description="Force clear old plugin results (if True, overwrite instead of merge).",
        )
        MESSAGE_COUNT: int = Field(
            default=1,
            description="Number of recent messages to use for generation. Set to 1 for just the last message, or higher for more context.",
        )

    def __init__(self):
        self.valves = self.Valves()

    def _extract_infographic_syntax(self, llm_output: str) -> str:
        """Extract infographic syntax from LLM output"""
        match = re.search(r"```infographic\s*(.*?)\s*```", llm_output, re.DOTALL)
        if match:
            extracted_content = match.group(1).strip()
        else:
            logger.warning(
                "LLM output did not follow expected format, treating entire output as syntax."
            )
            extracted_content = llm_output.strip()

        return extracted_content.replace("</script>", "<\\/script>")

    async def _emit_status(self, emitter, description: str, done: bool = False):
        """Send status update event"""
        if self.valves.SHOW_STATUS and emitter:
            await emitter(
                {"type": "status", "data": {"description": description, "done": done}}
            )

    async def _emit_notification(self, emitter, content: str, ntype: str = "info"):
        """Send notification event (info/success/warning/error)"""
        if emitter:
            await emitter(
                {"type": "notification", "data": {"type": ntype, "content": content}}
            )

    def _remove_existing_html(self, content: str) -> str:
        """Remove existing plugin-generated HTML code blocks from content"""
        pattern = r"```html\s*<!-- OPENWEBUI_PLUGIN_OUTPUT -->[\s\S]*?```"
        return re.sub(pattern, "", content).strip()

    def _extract_text_content(self, content) -> str:
        """Extract text from message content, supporting multimodal message formats"""
        if isinstance(content, str):
            return content
        elif isinstance(content, list):
            # Multimodal message: [{"type": "text", "text": "..."}, {"type": "image_url", ...}]
            text_parts = []
            for item in content:
                if isinstance(item, dict) and item.get("type") == "text":
                    text_parts.append(item.get("text", ""))
                elif isinstance(item, str):
                    text_parts.append(item)
            return "\n".join(text_parts)
        return str(content) if content else ""

    def _merge_html(
        self,
        existing_html_code: str,
        new_content: str,
        new_styles: str = "",
        new_scripts: str = "",
        user_language: str = "en",
    ) -> str:
        """Merge new content into existing HTML container or create a new one"""
        if (
            "<!-- OPENWEBUI_PLUGIN_OUTPUT -->" in existing_html_code
            and "<!-- CONTENT_INSERTION_POINT -->" in existing_html_code
        ):
            base_html = existing_html_code
            base_html = re.sub(r"^```html\s*", "", base_html)
            base_html = re.sub(r"\s*```$", "", base_html)
        else:
            base_html = HTML_WRAPPER_TEMPLATE.replace("{user_language}", user_language)

        wrapped_content = f'<div class="plugin-item">\n{new_content}\n</div>'

        if new_styles:
            base_html = base_html.replace(
                "/* STYLES_INSERTION_POINT */",
                f"{new_styles}\n/* STYLES_INSERTION_POINT */",
            )

        base_html = base_html.replace(
            "<!-- CONTENT_INSERTION_POINT -->",
            f"{wrapped_content}\n<!-- CONTENT_INSERTION_POINT -->",
        )

        if new_scripts:
            base_html = base_html.replace(
                "<!-- SCRIPTS_INSERTION_POINT -->",
                f"{new_scripts}\n<!-- SCRIPTS_INSERTION_POINT -->",
            )

        return base_html.strip()

    async def action(
        self,
        body: dict,
        __user__: Optional[Dict[str, Any]] = None,
        __event_emitter__: Optional[Any] = None,
        __request__: Optional[Request] = None,
    ) -> Optional[dict]:
        logger.info("Action: Infographic started (v1.0.0)")

        # Get user information
        if isinstance(__user__, (list, tuple)):
            user_language = __user__[0].get("language", "en") if __user__ else "en"
            user_name = __user__[0].get("name", "User") if __user__[0] else "User"
            user_id = (
                __user__[0]["id"]
                if __user__ and "id" in __user__[0]
                else "unknown_user"
            )
        elif isinstance(__user__, dict):
            user_language = __user__.get("language", "en")
            user_name = __user__.get("name", "User")
            user_id = __user__.get("id", "unknown_user")

        # Get current time
        now = datetime.now()
        current_date_time_str = now.strftime("%Y-%m-%d %H:%M:%S")
        current_year = now.strftime("%Y")

        original_content = ""
        try:
            messages = body.get("messages", [])
            if not messages:
                raise ValueError("Unable to get valid user message content.")

            # Get last N messages based on MESSAGE_COUNT
            message_count = min(self.valves.MESSAGE_COUNT, len(messages))
            recent_messages = messages[-message_count:]

            # Aggregate content from selected messages with labels
            aggregated_parts = []
            for i, msg in enumerate(recent_messages, 1):
                text_content = self._extract_text_content(msg.get("content"))
                if text_content:
                    role = msg.get("role", "unknown")
                    role_label = (
                        "User"
                        if role == "user"
                        else "Assistant" if role == "assistant" else role
                    )
                    aggregated_parts.append(
                        f"[{role_label} Message {i}]\n{text_content}"
                    )

            if not aggregated_parts:
                raise ValueError("Unable to get valid user message content.")

            original_content = "\n\n---\n\n".join(aggregated_parts)

            # Extract non-HTML text
            parts = re.split(r"```html.*?```", original_content, flags=re.DOTALL)
            long_text_content = ""
            if parts:
                for part in reversed(parts):
                    if part.strip():
                        long_text_content = part.strip()
                        break

            if not long_text_content:
                long_text_content = original_content.strip()

            # Check text length
            if len(long_text_content) < self.valves.MIN_TEXT_LENGTH:
                short_text_message = f"Text content too short ({len(long_text_content)} characters). Please provide at least {self.valves.MIN_TEXT_LENGTH} characters for effective analysis."
                await self._emit_notification(
                    __event_emitter__, short_text_message, "warning"
                )
                return {
                    "messages": [
                        {"role": "assistant", "content": f"⚠️ {short_text_message}"}
                    ]
                }

            await self._emit_notification(
                __event_emitter__, "📊 Infographic started, generating...", "info"
            )
            await self._emit_status(
                __event_emitter__,
                "📊 Infographic: Starting generation...",
                False,
            )

            # Generate unique ID
            unique_id = f"id_{int(time.time() * 1000)}"

            # Build prompt
            await self._emit_status(
                __event_emitter__,
                "📊 Infographic: Calling AI model to analyze content...",
                False,
            )
            formatted_user_prompt = USER_PROMPT_GENERATE_INFOGRAPHIC.format(
                user_name=user_name,
                current_date_time_str=current_date_time_str,
                user_language=user_language,
                long_text_content=long_text_content,
            )

            # Determine model to use
            target_model = self.valves.MODEL_ID
            if not target_model:
                target_model = body.get("model")

            llm_payload = {
                "model": target_model,
                "messages": [
                    {"role": "system", "content": SYSTEM_PROMPT_INFOGRAPHIC_ASSISTANT},
                    {"role": "user", "content": formatted_user_prompt},
                ],
                "stream": False,
            }

            user_obj = Users.get_user_by_id(user_id)
            if not user_obj:
                raise ValueError(f"Unable to get user object, user ID: {user_id}")

            llm_response = await generate_chat_completion(
                __request__, llm_payload, user_obj
            )

            if (
                not llm_response
                or "choices" not in llm_response
                or not llm_response["choices"]
            ):
                raise ValueError("Invalid LLM response format or empty.")

            await self._emit_status(
                __event_emitter__,
                "📊 Infographic: AI analysis complete, parsing syntax...",
                False,
            )

            assistant_response_content = llm_response["choices"][0]["message"][
                "content"
            ]
            infographic_syntax = self._extract_infographic_syntax(
                assistant_response_content
            )

            # Prepare content components
            await self._emit_status(
                __event_emitter__,
                "📊 Infographic: Rendering chart...",
                False,
            )
            content_html = (
                CONTENT_TEMPLATE_INFOGRAPHIC.replace("{unique_id}", unique_id)
                .replace("{user_name}", user_name)
                .replace("{current_date_time_str}", current_date_time_str)
                .replace("{current_year}", current_year)
                .replace("{infographic_syntax}", infographic_syntax)
            )

            # Replace placeholder first, then convert {{ to { and }} to }
            script_html = SCRIPT_TEMPLATE_INFOGRAPHIC.replace("{unique_id}", unique_id)
            script_html = script_html.replace("{{", "{").replace("}}", "}")

            # Extract existing HTML if any
            existing_html_block = ""
            match = re.search(
                r"```html\s*(<!-- OPENWEBUI_PLUGIN_OUTPUT -->[\s\S]*?)```",
                original_content,
            )
            if match:
                existing_html_block = match.group(1)

            if self.valves.CLEAR_PREVIOUS_HTML:
                original_content = self._remove_existing_html(original_content)
                final_html = self._merge_html(
                    "",
                    content_html,
                    CSS_TEMPLATE_INFOGRAPHIC,
                    script_html,
                    user_language,
                )
            else:
                if existing_html_block:
                    original_content = self._remove_existing_html(original_content)
                    final_html = self._merge_html(
                        existing_html_block,
                        content_html,
                        CSS_TEMPLATE_INFOGRAPHIC,
                        script_html,
                        user_language,
                    )
                else:
                    final_html = self._merge_html(
                        "",
                        content_html,
                        CSS_TEMPLATE_INFOGRAPHIC,
                        script_html,
                        user_language,
                    )

            html_embed_tag = f"```html\n{final_html}\n```"
            body["messages"][-1]["content"] = f"{original_content}\n\n{html_embed_tag}"

            await self._emit_status(
                __event_emitter__, "✅ Infographic: Generation complete!", True
            )
            await self._emit_notification(
                __event_emitter__,
                f"📊 Infographic generated, {user_name}!",
                "success",
            )
            logger.info("Infographic generation completed")

        except Exception as e:
            error_message = f"Infographic processing failed: {str(e)}"
            logger.error(f"Infographic error: {error_message}", exc_info=True)
            user_facing_error = f"Sorry, infographic encountered an error during processing: {str(e)}.\nPlease check the Open WebUI backend logs for more details."
            body["messages"][-1][
                "content"
            ] = f"{original_content}\n\n❌ **Error:** {user_facing_error}"

            await self._emit_status(
                __event_emitter__, "❌ Infographic: Generation failed", True
            )
            await self._emit_notification(
                __event_emitter__,
                f"❌ Infographic generation failed, {user_name}!",
                "error",
            )

        return body