analysisFormatter.ts

// Enforces a strict layout for the Tactical Analysis text.
// Fixes AI artifacts like "## HeaderText" (glued), "/ Header", or missing newlines.

export const formatTacticalAnalysis = (text: string): string => {
    if (!text) return "";
    
    let formatted = text;

    // 0. Pre-cleaning: Remove starting slashes that AI sometimes adds (e.g. "/ Comportamento")
    formatted = formatted.replace(/^\s*\/\s*/gm, '');

    // List of known section headers in Supported Languages to enforce
    const headers = [
        "Comportamento", "Sinergia", "Fraqueza", "Dica do Mestre", "Motivação", // PT
        "Behavior", "Synergy", "Weakness", "GM Tips", "Motivation",             // EN
        "Comportamiento", "Sinergia", "Debilidad", "Consejo del GM"             // ES
    ];

    headers.forEach(header => {
        // 1. Fix "Glued" Headers (e.g., "## ComportamentoO monstro")
        // Pattern: ## (Header) (Any non-whitespace/newline char)
        const gluedRegex = new RegExp(`(#{1,3}|\\*\\*|^)\\s*(${header})([^\\n\\r\\s])`, 'gi');
        formatted = formatted.replace(gluedRegex, '$1 $2\n\n$3');

        // 2. Enforce Newlines around Headers and Standardize Level 2 Header (##)
        // This catches: ## Header, **Header**, Header: 
        const standardRegex = new RegExp(`(?:^|\\n)\\s*(?:#{1,3}|\\*\\*|\\/)\\s*(${header})\\s*(?:\\*\\*|:)?\\s*`, 'gi');
        formatted = formatted.replace(standardRegex, '\n\n## $1\n\n');
    });

    // 3. Cleanup excessive newlines (max 2)
    formatted = formatted.replace(/\n{3,}/g, '\n\n');
    
    // 4. Ensure bolding isn't broken across lines
    formatted = formatted.replace(/(\*\*|__)\n+(\*\*|__)/g, '$1$2\n');
    
    // 5. Remove any leading newlines from the very start
    return formatted.trim();
};