import { MAX_ARRAY_ITEMS } from './common';
import { renderGenericContent } from './genericRenderer';
/**
* Renders content for 'system_patterns' document type.
*/
export function renderSystemPatternsContent(content: Record<string, unknown>): string {
// Renderer trace logging
// console.log("[Renderer] Rendering 'system_patterns' type");
let mdString = '';
try {
if (!content || typeof content !== 'object') {
return '_(Invalid or empty system_patterns content)_';
}
// const MAX_ARRAY_ITEMS = 10; // Defined in common.ts
if (Array.isArray(content.technicalDecisions) && content.technicalDecisions.length > 0) {
mdString += `### Technical Decisions\n\n`;
const displayDecisions = content.technicalDecisions.slice(0, MAX_ARRAY_ITEMS);
const remainingDecisions = content.technicalDecisions.length - displayDecisions.length;
displayDecisions.forEach((decision: Record<string, unknown>, index: number) => {
try {
mdString += `**${index + 1}. ${decision.title || decision.id || 'Decision'}**\n\n`;
try {
if (decision.context) mdString += ` - **Context:**\n ${String(decision.context).replace(/\n/g, '\n ')}\n\n`;
} catch (e) {
mdString += ` - **Context:** _Error rendering context: ${e instanceof Error ? e.message : String(e)}_\n\n`;
}
try {
if (decision.decision) mdString += ` - **Decision:**\n ${String(decision.decision).replace(/\n/g, '\n ')}\n\n`;
} catch (e) {
mdString += ` - **Decision:** _Error rendering decision: ${e instanceof Error ? e.message : String(e)}_\n\n`;
}
if (decision.status) mdString += ` - **Status:** ${decision.status}\n`;
if (decision.date) {
try {
mdString += ` - **Date:** ${new Date(decision.date).toLocaleDateString()}\n`;
} catch { /* ignore */ }
}
try {
if (decision.consequences && typeof decision.consequences === 'object') {
if (Array.isArray(decision.consequences.positive) && decision.consequences.positive.length > 0) {
mdString += ` - **Positive Consequences:**\n` + decision.consequences.positive.map((p: string) => ` - ${String(p).replace(/\n/g, ' ')}`).join('\n') + '\n';
}
if (Array.isArray(decision.consequences.negative) && decision.consequences.negative.length > 0) {
mdString += ` - **Negative Consequences:**\n` + decision.consequences.negative.map((n: string) => ` - ${String(n).replace(/\n/g, ' ')}`).join('\n') + '\n';
}
}
} catch (e) {
mdString += ` - **Consequences:** _Error rendering consequences: ${e instanceof Error ? e.message : String(e)}_\n`;
}
try {
if (Array.isArray(decision.alternatives) && decision.alternatives.length > 0) {
mdString += ` - **Alternatives Considered:**\n` + decision.alternatives.map((alt: unknown) => ` - ${typeof alt === 'string' ? String(alt).replace(/\n/g, ' ') : JSON.stringify(alt)}`).join('\n') + '\n';
}
} catch (e) {
mdString += ` - **Alternatives Considered:** _Error rendering alternatives: ${e instanceof Error ? e.message : String(e)}_\n`;
}
mdString += '\n---\n\n';
} catch (e) {
mdString += `\n**Error rendering decision ${index + 1}:** ${e instanceof Error ? e.message : String(e)}\n\n---\n\n`;
}
});
if (remainingDecisions > 0) {
mdString += `... (${remainingDecisions} more technical decisions)\n\n---\n\n`;
}
}
if (Array.isArray(content.implementationPatterns) && content.implementationPatterns.length > 0) {
mdString += `### Implementation Patterns\n\n`;
const displayPatterns = content.implementationPatterns.slice(0, MAX_ARRAY_ITEMS);
const remainingPatterns = content.implementationPatterns.length - displayPatterns.length;
displayPatterns.forEach((pattern: Record<string, unknown>, index: number) => {
mdString += `**${index + 1}. ${pattern.name || pattern.id || 'Pattern'}**\n\n`;
if (pattern.description) mdString += ` > ${pattern.description.replace(/\n/g, '\n > ')}\n\n`;
mdString += '\n';
});
if (remainingPatterns > 0) {
mdString += `... (${remainingPatterns} more implementation patterns)\n\n`;
}
}
// Add any other top-level keys using generic rendering
const handledKeys = ['technicalDecisions', 'implementationPatterns'];
const remainingContent: Record<string, unknown> = {};
for (const key in content) {
if (Object.prototype.hasOwnProperty.call(content, key) && !handledKeys.includes(key)) {
remainingContent[key] = content[key];
}
}
if (Object.keys(remainingContent).length > 0) {
mdString += `### Other Information\n\n`;
mdString += renderGenericContent(remainingContent);
}
return mdString || '_(System patterns content seems empty)_';
} catch (error) {
// エラーログ（デバッガーやテスト時に役立つ）
// console.error(`[Renderer Error - system_patterns] Failed to render system patterns content:`, error);
const errorMessage = error instanceof Error ? error.message : String(error);
return `### Rendering Error (System Patterns)\n\nAn error occurred while rendering the system patterns content:\n\n\`\`\`\n${errorMessage}\n\`\`\`\n\n**Original Content:**\n\n\`\`\`json\n${JSON.stringify(content, null, 2)}\n\`\`\`\n`;
}
}
