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// SPDX-License-Identifier: Apache-2.0
/**
* @module Utils/RetrofitAnalysisLinks
* @description Retroactively injects analysis transparency sections into existing
* news articles that have matching analysis directories on disk but lack the
* `<section class="analysis-transparency">` section.
*
* This tool scans all articles in `news/`, matches them against available analysis
* directories under `analysis/daily/{date}/{type}*`, discovers all `.md` analysis
* files on disk, and injects the rendered section before the `<nav class="article-nav">`
* element.
*
* Usage: npx tsx src/utils/retrofit-analysis-links.ts [--dry-run]
*/
import fs from 'node:fs';
import path from 'node:path';
import { NEWS_DIR, ARTICLE_FILENAME_PATTERN } from '../constants/config.js';
import { ALL_LANGUAGES } from '../constants/language-core.js';
import type { LanguageCode } from '../types/index.js';
import { discoverAnalysisFileEntries } from './file-utils.js';
import { renderAnalysisTransparencySection } from '../templates/article-template.js';
// ─── Constants ───────────────────────────────────────────────────────────────
const ANALYSIS_BASE_DIR = 'analysis/daily';
/** Regex to detect analysis transparency section already present */
const ANALYSIS_SECTION_REGEX = /<section\s+class="analysis-transparency"/;
/** Regex to match the full analysis transparency section for replacement */
const ANALYSIS_SECTION_FULL_REGEX =
/\s*<section\s+class="analysis-transparency"[\s\S]*?<\/section>/;
/** Injection point — insert the analysis section just before the article-nav */
const INJECTION_REGEX = /(\s*<nav\s+class="article-nav")/;
// ─── Analysis directory resolution ──────────────────────────────────────────
/**
* Parse a directory suffix into a numeric priority.
* Exact match (no suffix) = 0, numeric suffix = its value, runN = N+1000.
*
* @param suffixStr - The suffix string from the regex capture, or undefined
* @returns Numeric priority value
*/
function parseSuffixPriority(suffixStr: string | undefined): number {
if (!suffixStr) return 0;
if (suffixStr.startsWith('run')) {
return parseInt(suffixStr.slice(3), 10) + 1000;
}
return parseInt(suffixStr, 10);
}
/**
* Find the best matching analysis directory for a given date and article type.
*
* Checks for exact match first (e.g. `propositions`), then scans for suffixed
* variants (e.g. `propositions-2`, `propositions-run12`) and returns the one
* with the highest suffix number.
*
* @param date - Article date (YYYY-MM-DD)
* @param articleType - Article type slug (e.g. 'committee-reports')
* @returns Absolute path to the best matching analysis directory, or null
*/
function findBestAnalysisDir(date: string, articleType: string): string | null {
const dateDir = path.resolve(ANALYSIS_BASE_DIR, date);
if (!fs.existsSync(dateDir)) return null;
try {
const entries = fs.readdirSync(dateDir, { withFileTypes: true });
const escaped = articleType.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
const pattern = new RegExp(`^${escaped}(?:-(\\d+|run\\d+))?$`);
let bestPath: string | null = null;
let bestSuffix = -1;
for (const entry of entries) {
if (!entry.isDirectory()) continue;
const match = pattern.exec(entry.name);
if (!match) continue;
const suffix = parseSuffixPriority(match[1]);
if (suffix > bestSuffix) {
bestSuffix = suffix;
bestPath = path.join(dateDir, entry.name);
}
}
return bestPath;
} catch {
return null;
}
}
// ─── Article parsing ────────────────────────────────────────────────────────
/**
* Parse a news article filename into its components.
*
* @param filename - Filename like '2026-04-01-propositions-en.html'
* @returns Parsed components or null if filename doesn't match
*/
function parseArticleComponents(
filename: string
): { date: string; articleType: string; lang: LanguageCode } | null {
const match = ARTICLE_FILENAME_PATTERN.exec(filename);
if (!match?.[1] || !match[2] || !match[3]) return null;
const date = match[1];
const articleType = match[2];
const lang = match[3] as LanguageCode;
if (!ALL_LANGUAGES.includes(lang)) return null;
return { date, articleType, lang };
}
// ─── Retrofit logic ─────────────────────────────────────────────────────────
interface RetrofitResult {
readonly file: string;
readonly analysisDir: string;
readonly fileCount: number;
}
/**
* Retrofit a single article file with an analysis transparency section.
*
* @param filePath - Absolute path to the article HTML file
* @param date - Article date
* @param articleType - Article type slug
* @param lang - Language code
* @param analysisDirPath - Absolute path to the analysis directory
* @param dryRun - If true, don't write changes
* @param force - If true, replace existing analysis sections
* @returns Retrofit result or null if no changes needed
*/
function retrofitArticle(
filePath: string,
date: string,
articleType: string,
lang: LanguageCode,
analysisDirPath: string,
dryRun: boolean,
force: boolean
): RetrofitResult | null {
let html = fs.readFileSync(filePath, 'utf-8');
const hasExisting = ANALYSIS_SECTION_REGEX.test(html);
// Skip if already has analysis section (unless force mode)
if (hasExisting && !force) return null;
// In force mode, remove existing section before re-injecting
if (hasExisting && force) {
html = html.replace(ANALYSIS_SECTION_FULL_REGEX, '');
}
// Find the injection point
const injectionMatch = INJECTION_REGEX.exec(html);
if (!injectionMatch) {
console.warn(` ⚠️ No injection point found in ${path.basename(filePath)}`);
return null;
}
// Discover analysis files on disk
const analysisFiles = discoverAnalysisFileEntries(analysisDirPath);
const analysisDirName = path.basename(analysisDirPath);
// Render the analysis section
const sectionHtml = renderAnalysisTransparencySection(
date,
articleType,
lang,
analysisDirName,
analysisFiles.length > 0 ? analysisFiles : undefined
);
// Inject before the article-nav
const injectionIndex = injectionMatch.index;
const newHtml =
html.slice(0, injectionIndex) +
'\n ' +
sectionHtml.trim() +
'\n ' +
html.slice(injectionIndex);
if (!dryRun) {
fs.writeFileSync(filePath, newHtml, 'utf-8');
}
return {
file: path.basename(filePath),
analysisDir: analysisDirName,
fileCount: analysisFiles.length,
};
}
// ─── Main execution ─────────────────────────────────────────────────────────
/**
* Log the result of a single article retrofit operation.
*
* @param result - The retrofit result, or null if skipped
* @param filename - Article filename
* @param analysisDirName - Analysis directory name
* @param dryRun - Whether this is a dry run
*/
function logRetrofitResult(
result: RetrofitResult | null,
filename: string,
analysisDirName: string,
dryRun: boolean
): void {
if (!result) return;
const prefix = dryRun ? '🔍 Would retrofit' : '✅ Retrofitted';
console.log(` ${prefix}: ${filename} → ${analysisDirName} (${result.fileCount} analysis files)`);
}
/**
* Process a single article group (one date+type with all its language variants).
*
* @param group - The article group containing date, type, and language variants
* @param group.date - Article date
* @param group.articleType - Article type slug
* @param group.files - Array of filename + language code tuples
* @param newsDir - Absolute path to the news directory
* @param dryRun - Whether to skip writing changes
* @param force - Whether to replace existing analysis sections
* @returns Count of retrofitted, skipped, and errored articles
*/
function processArticleGroup(
group: {
date: string;
articleType: string;
files: Array<{ filename: string; lang: LanguageCode }>;
},
newsDir: string,
dryRun: boolean,
force: boolean
): { total: number; retrofitted: number; skipped: number; errors: number } {
const analysisDirPath = findBestAnalysisDir(group.date, group.articleType);
if (!analysisDirPath) return { total: 0, retrofitted: 0, skipped: 0, errors: 0 };
const analysisDirName = path.basename(analysisDirPath);
let total = 0;
let retrofitted = 0;
let skipped = 0;
let errors = 0;
for (const { filename, lang } of group.files) {
total++;
try {
const result = retrofitArticle(
path.join(newsDir, filename),
group.date,
group.articleType,
lang,
analysisDirPath,
dryRun,
force
);
if (result) {
retrofitted++;
logRetrofitResult(result, filename, analysisDirName, dryRun);
} else {
skipped++;
}
} catch (err) {
errors++;
console.error(
` ❌ Error processing ${filename}: ${err instanceof Error ? err.message : String(err)}`
);
}
}
return { total, retrofitted, skipped, errors };
}
/**
* Retrofit all articles that have matching analysis directories.
*
* @param dryRun - If true, report what would be changed without writing
* @param force - If true, replace existing analysis sections
* @returns Summary statistics
*/
export function retrofitAllArticles(
dryRun: boolean = false,
force: boolean = false
): {
total: number;
retrofitted: number;
skipped: number;
errors: number;
} {
const newsDir = path.resolve(NEWS_DIR);
if (!fs.existsSync(newsDir)) {
console.log('📁 News directory does not exist');
return { total: 0, retrofitted: 0, skipped: 0, errors: 0 };
}
const files = fs.readdirSync(newsDir).filter((f) => f.endsWith('.html'));
const counts = { total: 0, retrofitted: 0, skipped: 0, errors: 0 };
// Group by date+type to avoid redundant analysis dir lookups
const articleGroups = new Map<
string,
{ date: string; articleType: string; files: Array<{ filename: string; lang: LanguageCode }> }
>();
for (const filename of files) {
const parsed = parseArticleComponents(filename);
if (!parsed) continue;
const key = `${parsed.date}/${parsed.articleType}`;
const group = articleGroups.get(key);
if (group) {
group.files.push({ filename, lang: parsed.lang });
} else {
articleGroups.set(key, {
date: parsed.date,
articleType: parsed.articleType,
files: [{ filename, lang: parsed.lang }],
});
}
}
for (const [, group] of articleGroups) {
const groupResult = processArticleGroup(group, newsDir, dryRun, force);
counts.total += groupResult.total;
counts.retrofitted += groupResult.retrofitted;
counts.skipped += groupResult.skipped;
counts.errors += groupResult.errors;
}
return counts;
}
// ─── CLI entry point ────────────────────────────────────────────────────────
const isDryRun = process.argv.includes('--dry-run');
const isForce = process.argv.includes('--force');
console.log('');
console.log('🔗 Analysis Transparency Retrofit Tool');
console.log(
` Mode: ${isDryRun ? 'DRY RUN (no files will be modified)' : 'LIVE (files will be modified)'}${isForce ? ' [FORCE: replacing existing sections]' : ''}`
);
console.log('');
const result = retrofitAllArticles(isDryRun, isForce);
console.log('');
console.log('📊 Summary:');
console.log(` Total articles with analysis dirs: ${result.total}`);
console.log(` Retrofitted: ${result.retrofitted}`);
console.log(` Already had section (skipped): ${result.skipped}`);
console.log(` Errors: ${result.errors}`);
console.log('');
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