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// SPDX-License-Identifier: Apache-2.0
/**
* @module Generators/BreakingContent
* @description Pure functions for building breaking-news article HTML,
* including optional structured intelligence briefing sections derived
* from typed MCP intelligence data.
*/
import { escapeHTML } from '../utils/file-utils.js';
import { getLocalizedString, EDITORIAL_STRINGS, BREAKING_STRINGS } from '../constants/languages.js';
import type {
VotingAnomalyIntelligence,
CoalitionIntelligence,
MEPInfluenceScore,
} from '../types/index.js';
/** Maximum characters to display from raw MCP intelligence data */
const MAX_DATA_CHARS = 2000;
// ─── Private section builders ────────────────────────────────────────────────
/**
* Build intelligence briefing section HTML from structured anomaly data
*
* @param anomalies - Structured voting anomaly intelligence items
* @param lang - Language code for localized strings
* @returns HTML section string or empty string
*/
function buildAnomalyAlertSection(anomalies: VotingAnomalyIntelligence[], lang: string): string {
if (anomalies.length === 0) return '';
const strings = getLocalizedString(BREAKING_STRINGS, lang);
const items = anomalies
.map(
(a) =>
`<li class="anomaly-${escapeHTML(a.significance)}">` +
`<strong>${escapeHTML(a.description)}</strong> — ` +
`${escapeHTML(a.implication)} ` +
`(deviation: ${escapeHTML(String(a.deviationPercentage))}%)</li>`
)
.join('\n ');
return `
<section class="anomaly-alert">
<h3>${escapeHTML(strings.votingAnomalyAlert)}</h3>
<ul>
${items}
</ul>
</section>`;
}
/**
* Build coalition dynamics section HTML from structured coalition data
*
* @param coalitions - Structured coalition intelligence items
* @param lang - Language code for localized strings
* @returns HTML section string or empty string
*/
function buildCoalitionDynamicsSection(coalitions: CoalitionIntelligence[], lang: string): string {
if (coalitions.length === 0) return '';
const strings = getLocalizedString(BREAKING_STRINGS, lang);
const items = coalitions
.map(
(c) =>
`<li class="coalition-${escapeHTML(c.riskLevel)}">` +
`${escapeHTML(c.groups.join(', '))} — ` +
`cohesion: ${escapeHTML(String(Math.round(c.cohesionScore * 100)))}% ` +
`(${escapeHTML(c.alignmentTrend)})</li>`
)
.join('\n ');
return `
<section class="coalition-dynamics">
<h3>${escapeHTML(strings.coalitionDynamicsSection)}</h3>
<ul>
${items}
</ul>
</section>`;
}
/**
* Build key parliamentary players section HTML from structured MEP influence data
*
* @param mepScores - Structured MEP influence score items
* @param lang - Language code for localized strings
* @returns HTML section string or empty string
*/
function buildKeyPlayersIntelSection(mepScores: MEPInfluenceScore[], lang: string): string {
if (mepScores.length === 0) return '';
const strings = getLocalizedString(BREAKING_STRINGS, lang);
const items = mepScores
.map(
(m) =>
`<li class="mep-score">` +
`<strong>${escapeHTML(m.mepName)}</strong> — ` +
`score: ${escapeHTML(String(Math.round(m.overallScore)))} ` +
`${m.rank ? `(${escapeHTML(m.rank)})` : ''}</li>`
)
.join('\n ');
return `
<section class="key-players-intel">
<h3>${escapeHTML(strings.keyPlayers)}</h3>
<ul>
${items}
</ul>
</section>`;
}
/**
* Build intelligence briefing section HTML from all structured sources
*
* @param anomalies - Structured voting anomaly intelligence items
* @param coalitions - Structured coalition intelligence items
* @param mepScores - Structured MEP influence score items
* @param lang - Language code for localized strings
* @returns HTML section string or empty string
*/
function buildIntelligenceBriefingSection(
anomalies: VotingAnomalyIntelligence[],
coalitions: CoalitionIntelligence[],
mepScores: MEPInfluenceScore[],
lang: string
): string {
const hasIntel = anomalies.length > 0 || coalitions.length > 0 || mepScores.length > 0;
if (!hasIntel) return '';
const strings = getLocalizedString(BREAKING_STRINGS, lang);
return `
<section class="intelligence-briefing">
<h2>${escapeHTML(strings.intelligenceBriefing)}</h2>
${buildAnomalyAlertSection(anomalies, lang)}
${buildCoalitionDynamicsSection(coalitions, lang)}
${buildKeyPlayersIntelSection(mepScores, lang)}
</section>`;
}
// ─── Exported function ────────────────────────────────────────────────────────
/**
* Build breaking news article HTML content.
* Accepts both raw MCP string data (rendered as narrative blocks) and optional
* structured intelligence data (rendered as formatted HTML sections).
* When no data is provided, returns a placeholder notice.
*
* @param date - Current date string for the article
* @param anomalyRaw - Raw anomaly data from MCP
* @param coalitionRaw - Raw coalition dynamics data from MCP
* @param reportRaw - Raw analytical report from MCP
* @param influenceRaw - Raw MEP influence data from MCP
* @param lang - Language code for localized editorial strings (default: 'en')
* @param anomalies - Optional structured voting anomaly intelligence items
* @param coalitions - Optional structured coalition intelligence items
* @param mepScores - Optional structured MEP influence score items
* @returns Full article HTML content string
*/
export function buildBreakingNewsContent(
date: string,
anomalyRaw: string,
coalitionRaw: string,
reportRaw: string,
influenceRaw: string,
lang = 'en',
anomalies: VotingAnomalyIntelligence[] = [],
coalitions: CoalitionIntelligence[] = [],
mepScores: MEPInfluenceScore[] = []
): string {
const editorial = getLocalizedString(EDITORIAL_STRINGS, lang);
const strings = getLocalizedString(BREAKING_STRINGS, lang);
const hasData = Boolean(
anomalyRaw ||
coalitionRaw ||
reportRaw ||
influenceRaw ||
anomalies.length ||
coalitions.length ||
mepScores.length
);
const timestamp = new Date().toISOString();
const anomalySection = anomalyRaw
? `
<section class="analysis">
<h2>${escapeHTML(strings.votingAnomalyIntel)}</h2>
<p class="source-attribution">${escapeHTML(editorial.sourceAttribution)}:</p>
<p class="data-narrative">${escapeHTML(anomalyRaw.slice(0, MAX_DATA_CHARS))}</p>
</section>`
: '';
const coalitionSection = coalitionRaw
? `
<section class="coalition-impact">
<h2>${escapeHTML(strings.coalitionDynamics)}</h2>
<p class="source-attribution">${escapeHTML(editorial.sourceAttribution)}:</p>
<p class="data-narrative">${escapeHTML(coalitionRaw.slice(0, MAX_DATA_CHARS))}</p>
</section>`
: '';
const reportSection = reportRaw
? `
<section class="context">
<h2>${escapeHTML(strings.analyticalReport)}</h2>
<p class="source-attribution">${escapeHTML(editorial.analysisNote)}:</p>
<p class="data-narrative">${escapeHTML(reportRaw.slice(0, MAX_DATA_CHARS))}</p>
</section>`
: '';
const keyPlayersSection = influenceRaw
? `
<section class="key-players">
<h2>${escapeHTML(strings.keyMEPInfluence)}</h2>
<p class="source-attribution">${escapeHTML(editorial.sourceAttribution)}:</p>
<p class="data-narrative">${escapeHTML(influenceRaw.slice(0, MAX_DATA_CHARS))}</p>
</section>`
: '';
const context = escapeHTML(editorial.parliamentaryContext);
const finding = escapeHTML(editorial.keyTakeaway).toLowerCase();
const attribution = escapeHTML(editorial.sourceAttribution).toLowerCase();
const whyThisMattersSection = hasData
? `
<section class="why-this-matters">
<h2>${escapeHTML(editorial.whyThisMatters)}</h2>
<p>${context}: ${finding} — ${attribution}.</p>
</section>`
: '';
const intelligenceBriefing = buildIntelligenceBriefingSection(
anomalies,
coalitions,
mepScores,
lang
);
const placeholderNotice = !hasData
? `
<div class="notice">
<p><strong>Note:</strong> ${escapeHTML(strings.placeholderNotice)}</p>
</div>
<section class="lede">
<p>${escapeHTML(strings.placeholderLede)}</p>
</section>`
: `
<section class="lede">
<p>${escapeHTML(strings.lede)} as of ${escapeHTML(date)}.</p>
</section>`;
return `
<div class="article-content">
<section class="breaking-banner">
<p class="breaking-timestamp">${escapeHTML(strings.breakingBanner)} — ${escapeHTML(timestamp)}</p>
</section>
${placeholderNotice}
${intelligenceBriefing}
${anomalySection}
${coalitionSection}
${reportSection}
${keyPlayersSection}
${whyThisMattersSection}
</div>
`;
}
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