// src/tools/flutter/visual-context.ts
import type { ComponentAnalysis } from '../../extractors/components/types.js';
import type { ScreenAnalysis } from '../../extractors/screens/types.js';
/**
* Generate visual context for component analysis
*/
export function generateComponentVisualContext(
analysis: ComponentAnalysis,
figmaUrl?: string,
nodeId?: string
): string {
let context = `📐 Visual Context for AI Implementation:\n`;
context += `${'='.repeat(50)}\n\n`;
// Design reference
if (figmaUrl) {
context += `🎨 Design Reference:\n`;
context += ` • Figma URL: ${figmaUrl}\n`;
if (nodeId) {
context += ` • Node ID: ${nodeId}\n`;
}
context += ` • Component: ${analysis.metadata.name}\n`;
context += ` • Type: ${analysis.metadata.type}\n\n`;
}
// ASCII layout representation
context += `📏 Layout Structure:\n`;
context += generateComponentAsciiLayout(analysis);
context += `\n`;
// Spatial relationships
context += `📍 Spatial Relationships:\n`;
context += generateComponentSpatialDescription(analysis);
context += `\n`;
// Visual patterns
context += `🎯 Visual Design Patterns:\n`;
context += generateComponentPatternDescription(analysis);
context += `\n`;
// Implementation guidance
context += `💡 Implementation Guidance:\n`;
context += generateComponentImplementationHints(analysis);
// Semantic detection information
context += `\n🧠 Enhanced Semantic Detection:\n`;
context += ` • Multi-factor analysis with confidence scoring\n`;
context += ` • Context-aware classification using position and parent information\n`;
context += ` • Design pattern recognition for improved accuracy\n`;
context += ` • Fallback to legacy detection for low-confidence classifications\n`;
context += ` • Reduced false positives through evidence-based classification\n`;
return context;
}
/**
* Generate visual context for screen analysis
*/
export function generateScreenVisualContext(
analysis: ScreenAnalysis,
figmaUrl?: string,
nodeId?: string
): string {
let context = `📱 Screen Visual Context for AI Implementation:\n`;
context += `${'='.repeat(55)}\n\n`;
// Design reference
if (figmaUrl) {
context += `🎨 Design Reference:\n`;
context += ` • Figma URL: ${figmaUrl}\n`;
if (nodeId) {
context += ` • Node ID: ${nodeId}\n`;
}
context += ` • Screen: ${analysis.metadata.name}\n`;
context += ` • Device: ${analysis.metadata.deviceType} (${analysis.metadata.orientation})\n\n`;
}
// Screen layout with ASCII representation
context += `📏 Screen Layout Structure:\n`;
context += generateScreenAsciiLayout(analysis);
context += `\n`;
// Visual hierarchy
context += `📊 Visual Hierarchy (top to bottom):\n`;
context += generateScreenHierarchy(analysis);
context += `\n`;
// Spatial relationships
context += `📍 Component Spatial Relationships:\n`;
context += generateScreenSpatialDescription(analysis);
context += `\n`;
// Design patterns
context += `🎯 Visual Design Patterns Detected:\n`;
context += generateScreenPatternDescription(analysis);
context += `\n`;
// Implementation guidance
context += `💡 Flutter Implementation Strategy:\n`;
context += generateScreenImplementationHints(analysis);
// Semantic detection information
context += `\n🧠 Enhanced Semantic Detection:\n`;
context += ` • Advanced section type detection with confidence scoring\n`;
context += ` • Multi-factor analysis for text element classification\n`;
context += ` • Context-aware position and styling analysis\n`;
context += ` • Improved navigation and interactive element detection\n`;
context += ` • Reduced misclassification through evidence-based decisions\n`;
if (figmaUrl) {
context += `\n🔗 Reference for Verification:\n`;
context += ` View the original design at: ${figmaUrl}\n`;
context += ` Use this to verify your implementation matches the intended visual design.\n`;
}
return context;
}
/**
* Generate ASCII layout for component
*/
function generateComponentAsciiLayout(analysis: ComponentAnalysis): string {
const width = Math.min(Math.max(Math.round(analysis.layout.dimensions.width / 20), 10), 50);
const height = Math.min(Math.max(Math.round(analysis.layout.dimensions.height / 20), 3), 10);
let ascii = `┌${'─'.repeat(width)}┐\n`;
// Add component name in the middle
const nameLines = Math.floor(height / 2);
for (let i = 0; i < height; i++) {
if (i === nameLines) {
const name = analysis.metadata.name.substring(0, width - 2);
const padding = Math.max(0, Math.floor((width - name.length) / 2));
ascii += `│${' '.repeat(padding)}${name}${' '.repeat(width - padding - name.length)}│\n`;
} else {
ascii += `│${' '.repeat(width)}│\n`;
}
}
ascii += `└${'─'.repeat(width)}┘\n`;
ascii += `Dimensions: ${Math.round(analysis.layout.dimensions.width)}×${Math.round(analysis.layout.dimensions.height)}px\n`;
// Add layout type indicator
if (analysis.layout.type === 'auto-layout') {
const direction = analysis.layout.direction === 'horizontal' ? '↔' : '↕';
ascii += `Layout: Auto-layout ${direction} (${analysis.layout.direction})\n`;
if (analysis.layout.spacing) {
ascii += `Spacing: ${analysis.layout.spacing}px\n`;
}
}
return ascii;
}
/**
* Generate ASCII layout for screen
*/
function generateScreenAsciiLayout(analysis: ScreenAnalysis): string {
const screenWidth = Math.min(Math.max(Math.round(analysis.metadata.dimensions.width / 30), 15), 40);
const screenHeight = Math.min(Math.max(Math.round(analysis.metadata.dimensions.height / 40), 8), 20);
let ascii = `📱 Screen Layout Map:\n`;
ascii += `┌${'─'.repeat(screenWidth)}┐\n`;
// Categorize sections by position
const headerSections = analysis.sections.filter(s => s.type === 'header');
const contentSections = analysis.sections.filter(s => s.type === 'content');
const footerSections = analysis.sections.filter(s => s.type === 'footer');
const navSections = analysis.sections.filter(s => s.type === 'navigation');
let currentLine = 0;
// Header area
if (headerSections.length > 0) {
const headerLines = Math.ceil(screenHeight * 0.15);
for (let i = 0; i < headerLines && currentLine < screenHeight; i++) {
if (i === Math.floor(headerLines / 2)) {
const text = 'HEADER';
const padding = Math.max(0, Math.floor((screenWidth - text.length) / 2));
ascii += `│${' '.repeat(padding)}${text}${' '.repeat(screenWidth - padding - text.length)}│\n`;
} else {
ascii += `│${' '.repeat(screenWidth)}│\n`;
}
currentLine++;
}
}
// Content area
const contentLines = screenHeight - currentLine - (footerSections.length > 0 ? Math.ceil(screenHeight * 0.15) : 0);
for (let i = 0; i < contentLines && currentLine < screenHeight; i++) {
if (i === Math.floor(contentLines / 2)) {
const text = 'CONTENT';
const padding = Math.max(0, Math.floor((screenWidth - text.length) / 2));
ascii += `│${' '.repeat(padding)}${text}${' '.repeat(screenWidth - padding - text.length)}│\n`;
} else {
ascii += `│${' '.repeat(screenWidth)}│\n`;
}
currentLine++;
}
// Footer area
if (footerSections.length > 0) {
const remainingLines = screenHeight - currentLine;
for (let i = 0; i < remainingLines; i++) {
if (i === Math.floor(remainingLines / 2)) {
const text = navSections.length > 0 ? 'NAVIGATION' : 'FOOTER';
const padding = Math.max(0, Math.floor((screenWidth - text.length) / 2));
ascii += `│${' '.repeat(padding)}${text}${' '.repeat(screenWidth - padding - text.length)}│\n`;
} else {
ascii += `│${' '.repeat(screenWidth)}│\n`;
}
}
}
ascii += `└${'─'.repeat(screenWidth)}┘\n`;
ascii += `Screen: ${Math.round(analysis.metadata.dimensions.width)}×${Math.round(analysis.metadata.dimensions.height)}px (${analysis.metadata.deviceType})\n`;
return ascii;
}
/**
* Generate component spatial description
*/
function generateComponentSpatialDescription(analysis: ComponentAnalysis): string {
let description = '';
// Layout analysis
if (analysis.layout.type === 'auto-layout') {
description += ` • Layout flow: ${analysis.layout.direction} auto-layout\n`;
if (analysis.layout.spacing) {
description += ` • Element spacing: ${analysis.layout.spacing}px consistent\n`;
}
if (analysis.layout.alignItems) {
description += ` • Cross-axis alignment: ${analysis.layout.alignItems}\n`;
}
if (analysis.layout.justifyContent) {
description += ` • Main-axis alignment: ${analysis.layout.justifyContent}\n`;
}
} else {
description += ` • Layout flow: absolute positioning\n`;
}
// Padding analysis
if (analysis.layout.padding) {
const p = analysis.layout.padding;
if (p.isUniform) {
description += ` • Internal padding: ${p.top}px uniform\n`;
} else {
description += ` • Internal padding: ${p.top}px ${p.right}px ${p.bottom}px ${p.left}px (TRBL)\n`;
}
}
// Children positioning
if (analysis.children.length > 0) {
description += ` • Contains ${analysis.children.length} child elements\n`;
const highImportanceChildren = analysis.children.filter(c => c.visualImportance >= 7);
if (highImportanceChildren.length > 0) {
description += ` • ${highImportanceChildren.length} high-priority elements (visual weight ≥7)\n`;
}
}
return description;
}
/**
* Generate screen spatial description
*/
function generateScreenSpatialDescription(analysis: ScreenAnalysis): string {
let description = '';
// Screen zones
const screenHeight = analysis.metadata.dimensions.height;
description += ` • Header zone: Y < ${Math.round(screenHeight * 0.15)}px (top 15%)\n`;
description += ` • Content zone: Y ${Math.round(screenHeight * 0.15)}px - ${Math.round(screenHeight * 0.85)}px\n`;
description += ` • Footer zone: Y > ${Math.round(screenHeight * 0.85)}px (bottom 15%)\n`;
// Content area
if (analysis.layout.contentArea) {
const area = analysis.layout.contentArea;
description += ` • Primary content area: ${Math.round(area.width)}×${Math.round(area.height)}px\n`;
description += ` • Content position: (${Math.round(area.x)}, ${Math.round(area.y)})\n`;
}
// Section distribution
if (analysis.sections.length > 0) {
const sectionsByType = analysis.sections.reduce((acc, section) => {
acc[section.type] = (acc[section.type] || 0) + 1;
return acc;
}, {} as Record<string, number>);
description += ` • Section distribution: `;
Object.entries(sectionsByType).forEach(([type, count], index) => {
description += `${count} ${type}${index < Object.keys(sectionsByType).length - 1 ? ', ' : ''}`;
});
description += `\n`;
}
return description;
}
/**
* Generate screen hierarchy
*/
function generateScreenHierarchy(analysis: ScreenAnalysis): string {
let hierarchy = '';
// Sort sections by importance and position
const sortedSections = [...analysis.sections].sort((a, b) => {
// First by type priority (header > content > footer)
const typePriority = { header: 3, navigation: 2, content: 1, footer: 0, sidebar: 1, modal: 2, other: 0 };
const aPriority = typePriority[a.type] || 0;
const bPriority = typePriority[b.type] || 0;
if (aPriority !== bPriority) return bPriority - aPriority;
// Then by importance score
return b.importance - a.importance;
});
sortedSections.forEach((section, index) => {
const position = section.layout.dimensions ?
`${Math.round(section.layout.dimensions.width)}×${Math.round(section.layout.dimensions.height)}px` :
'auto';
hierarchy += ` ${index + 1}. ${section.name} (${section.type.toUpperCase()}) - ${position}\n`;
hierarchy += ` Priority: ${section.importance}/10`;
if (section.children.length > 0) {
hierarchy += `, Contains: ${section.children.length} elements`;
}
if (section.components.length > 0) {
hierarchy += `, Components: ${section.components.length}`;
}
hierarchy += `\n`;
});
return hierarchy;
}
/**
* Generate component pattern description
*/
function generateComponentPatternDescription(analysis: ComponentAnalysis): string {
let patterns = '';
// Layout pattern
patterns += ` • Layout type: ${analysis.layout.type}\n`;
// Spacing pattern
if (analysis.layout.spacing !== undefined) {
patterns += ` • Spacing system: ${analysis.layout.spacing}px consistent\n`;
}
// Visual styling patterns
if (analysis.styling.fills && analysis.styling.fills.length > 0) {
const primaryColor = analysis.styling.fills[0].hex;
patterns += ` • Color pattern: Primary ${primaryColor}\n`;
}
if (analysis.styling.cornerRadius !== undefined) {
const radius = typeof analysis.styling.cornerRadius === 'number'
? analysis.styling.cornerRadius
: `${analysis.styling.cornerRadius.topLeft}px mixed`;
patterns += ` • Border radius: ${radius}px consistent\n`;
}
// Component grouping
if (analysis.children.length > 0) {
const componentChildren = analysis.children.filter(c => c.isNestedComponent).length;
if (componentChildren > 0) {
patterns += ` • Component composition: ${componentChildren}/${analysis.children.length} nested components\n`;
}
}
// Visual weight
const textElements = analysis.children.filter(c => c.type === 'TEXT').length;
const visualElements = analysis.children.length - textElements;
patterns += ` • Content balance: ${textElements} text, ${visualElements} visual elements\n`;
return patterns;
}
/**
* Generate screen pattern description
*/
function generateScreenPatternDescription(analysis: ScreenAnalysis): string {
let patterns = '';
// Overall layout pattern
patterns += ` • Layout type: ${analysis.layout.type}\n`;
if (analysis.layout.scrollable) {
patterns += ` • Scroll behavior: vertical scrolling enabled\n`;
}
// Section patterns
const sectionTypes = analysis.sections.map(s => s.type);
const hasStandardLayout = sectionTypes.includes('header') && sectionTypes.includes('content');
patterns += ` • Screen structure: ${hasStandardLayout ? 'standard' : 'custom'} layout pattern\n`;
// Navigation patterns
if (analysis.navigation.hasTabBar) patterns += ` • Navigation: bottom tab bar\n`;
if (analysis.navigation.hasAppBar) patterns += ` • Navigation: top app bar\n`;
if (analysis.navigation.hasDrawer) patterns += ` • Navigation: side drawer\n`;
// Visual weight distribution
const headerSections = analysis.sections.filter(s => s.type === 'header').length;
const contentSections = analysis.sections.filter(s => s.type === 'content').length;
const footerSections = analysis.sections.filter(s => s.type === 'footer' || s.type === 'navigation').length;
if (headerSections > contentSections) {
patterns += ` • Visual weight: header-heavy design\n`;
} else if (footerSections > contentSections) {
patterns += ` • Visual weight: bottom-heavy design\n`;
} else {
patterns += ` • Visual weight: content-focused design\n`;
}
return patterns;
}
/**
* Generate component implementation hints
*/
function generateComponentImplementationHints(analysis: ComponentAnalysis): string {
let hints = '';
// Main container suggestion
if (analysis.layout.type === 'auto-layout') {
const widget = analysis.layout.direction === 'horizontal' ? 'Row' : 'Column';
hints += ` • Main container: Use ${widget}() for ${analysis.layout.direction} layout\n`;
if (analysis.layout.spacing) {
hints += ` • Spacing: Add SizedBox gaps of ${analysis.layout.spacing}px\n`;
}
} else {
hints += ` • Main container: Use Stack() or Container() for absolute positioning\n`;
}
// Styling approach
if (analysis.styling.fills || analysis.styling.strokes || analysis.styling.cornerRadius !== undefined) {
hints += ` • Styling: Implement BoxDecoration for visual styling\n`;
}
// Text handling
const textChildren = analysis.children.filter(c => c.type === 'TEXT');
if (textChildren.length > 0) {
hints += ` • Text elements: ${textChildren.length} Text() widgets with custom styling\n`;
}
// Component composition
const nestedComponents = analysis.children.filter(c => c.isNestedComponent);
if (nestedComponents.length > 0) {
hints += ` • Component structure: Break down ${nestedComponents.length} nested components\n`;
}
// Responsive considerations
if (analysis.layout.dimensions.width > 400) {
hints += ` • Responsive: Consider MediaQuery for larger screens\n`;
}
return hints;
}
/**
* Generate screen implementation hints
*/
function generateScreenImplementationHints(analysis: ScreenAnalysis): string {
let hints = '';
// Main scaffold structure
hints += ` • Main structure: Scaffold with systematic layout\n`;
// App bar recommendation
if (analysis.navigation.hasAppBar) {
hints += ` • App bar: AppBar widget for top navigation\n`;
}
// Body structure
if (analysis.layout.scrollable) {
hints += ` • Body: SingleChildScrollView with Column layout\n`;
} else {
hints += ` • Body: Column layout for fixed content\n`;
}
// Navigation recommendation
if (analysis.navigation.hasTabBar) {
hints += ` • Bottom navigation: BottomNavigationBar for tab switching\n`;
}
if (analysis.navigation.hasDrawer) {
hints += ` • Side navigation: Drawer widget for menu access\n`;
}
// Section breakdown
if (analysis.sections.length > 3) {
hints += ` • Widget organization: Break into ${analysis.sections.length} section widgets\n`;
}
// Device considerations
if (analysis.metadata.deviceType === 'mobile') {
hints += ` • Mobile optimization: Use SafeArea and responsive sizing\n`;
} else if (analysis.metadata.deviceType === 'tablet') {
hints += ` • Tablet layout: Consider NavigationRail for wider screens\n`;
}
// Asset handling
if (analysis.assets.length > 0) {
hints += ` • Assets: ${analysis.assets.length} image/icon assets to implement\n`;
}
return hints;
}
