directionRules.js

// USD direction rules
const directionRulesUSD = new Map(
    [
        //OIL
        ["Crude Oil Inventories", "upIsBearish"], // stocks de pétrole plus élevés = offre excédentaire = baisse prix énergie = désinflation → bearish USD
        ["Cushing Crude Oil Inventories", "upIsBearish"], // même logique, mais sur hub stratégique Cushing → hausse des stocks = pression baissière sur prix

        // 🎯 EMPLOI
        ["Nonfarm Payrolls", "upIsBullish"], // plus de créations d’emplois = économie robuste = pression salariale → bullish USD
        ["Initial Jobless Claims", "upIsBearish"], // hausse des nouvelles demandes chômage = marché du travail qui faiblit → bearish USD
        ["Continuing Jobless Claims", "upIsBearish"], // hausse des chômeurs persistants = faiblesse marché travail → bearish USD
        ["ADP Nonfarm Employment Change", "upIsBullish"], // plus d’emplois privés = signal fort marché travail → bullish USD
        ["Challenger Job Cuts", "upIsBearish"], // hausse des licenciements annoncés = mauvais signal emploi → bearish USD
        ["Employment Component (ISM Manufacturing/Services)", "upIsBullish"], // composante emploi ISM : hausse = marché travail solide → bullish USD

        // 🎯 CHÔMAGE
        ["Unemployment Rate", "upIsBearish"], // taux chômage en hausse = marché travail plus faible → bearish USD
        ["Labor Force Participation Rate", "upIsBullish"], // plus de gens actifs = marché travail dynamique → bullish USD
        ["U6 Unemployment Rate", "upIsBearish"], // chômage large (inclut temps partiel subi) en hausse = faiblesse → bearish USD
        ["Job Openings (JOLTS)", "upIsBullish"], // plus d’offres d’emploi = tension sur marché travail → bullish USD

        // 🎯 SALAIRES
        ["Average Hourly Earnings", "upIsBullish"], // salaires en hausse = pression inflation = bullish USD
        ["Employment Cost Index", "upIsBullish"], // coût du travail plus élevé = inflation potentielle → bullish USD
        ["Unit Labor Costs", "upIsBullish"], // coût par unité produite en hausse = inflation → bullish USD
        ["Wage Growth (Atlanta Fed)", "upIsBullish"], // croissance salaires = inflation future → bullish USD

        // 🎯 ISM MANUFACTURING
        ["ISM Manufacturing PMI", "upIsBullish"], // activité industrielle plus forte = croissance + inflation → bullish USD
        ["Factory Orders", "upIsBullish"], // commandes d’usines en hausse = dynamique économique positive → bullish USD
        ["Durable Goods Orders", "upIsBullish"], // commandes de biens durables = investissement en hausse → bullish USD
        ["Manufacturing Production", "upIsBullish"], // production industrielle en hausse = économie solide → bullish USD
        ["New Orders Index", "upIsBullish"], // nouvelles commandes en hausse = future activité → bullish USD

        // 🎯 ISM SERVICES
        ["ISM Services PMI", "upIsBullish"], // services plus dynamiques = croissance US solide → bullish USD
        ["Services Revenue Surveys", "upIsBullish"], // revenus services en hausse = consommation dynamique → bullish USD
        ["Business Activity Index", "upIsBullish"], // activité des services = composante clé = hausse = bullish USD
        ["New Orders Index (Services)", "upIsBullish"], // nouvelles commandes dans services = expansion future → bullish USD

        // 🎯 VENTES AU DÉTAIL
        ["Retail Sales", "upIsBullish"], // consommation en hausse = croissance + inflation → bullish USD
        ["Consumer Confidence", "upIsBullish"], // confiance consommateurs en hausse = dépenses futures plus fortes → bullish USD
        ["Redbook Index", "upIsBullish"], // ventes hebdo détaillants = conso robuste = bullish USD
        ["Vehicle Sales", "upIsBullish"], // ventes autos = proxy conso durable = hausse = bullish USD
        ["Chain Store Sales", "upIsBullish"], // ventes chaînes magasins = consommation solide = bullish USD

        ["Core Retail Sales", "upIsBullish"], // retail hors autos/essence = tendance conso pure = hausse = bullish USD
        ["Retail Inventories", "upIsBullish"], // stocks en hausse = activité commerciale soutenue (attention si trop fort = surplus) → bullish USD
        ["Core PCE", "upIsBullish"], // indice préféré Fed pour inflation sous-jacente : hausse = resserrement monétaire → bullish USD
        ["Wholesale Inventories", "upIsBullish"], // stocks de gros = dynamique commerce = bullish USD

        // 🎯 INFLATION
        ["CPI", "upIsBullish"], // prix conso en hausse = inflation = bullish USD
        ["PPI", "upIsBullish"], // prix producteurs en hausse = inflation future → bullish USD
        ["Core CPI", "upIsBullish"], // inflation hors énergie/food = mesure centrale → bullish USD
        ["Core PPI", "upIsBullish"], // inflation producteurs sous-jacente → bullish USD
        ["PPI ex. Food/Energy/Transport", "upIsBullish"], // inflation PPI cœur ajustée → bullish USD
        ["PPI ex Food and Energy", "upIsBullish"], // idem, core measure → bullish USD
        ["PPI excluding Food and Energy", "upIsBullish"], // idem → bullish USD
        ["PPI excl. Food & Energy", "upIsBullish"], // idem → bullish USD
        ["PPI ex. Food", "upIsBullish"], // idem → bullish USD

        ["Import Prices", "upIsBullish"], // prix imports en hausse = inflation importée → bullish USD
        ["Energy Prices", "upIsBullish"], // énergie plus chère = pression inflation → bullish USD
        ["Rents Index", "upIsBullish"], // loyers = composante clé CPI = hausse = inflation → bullish USD
        ["Owners’ Equivalent Rent", "upIsBullish"], // proxy logement CPI = hausse = inflation → bullish USD
        ["Used Car Prices", "upIsBullish"], // voitures occaz = composante volatile CPI = hausse = inflation → bullish USD
        ["Medical Care Services Index", "upIsBullish"], // services médicaux = poids important CPI = hausse → bullish USD
        ["Commodity Prices", "upIsBullish"], // matières premières = hausse = coûts producteurs = bullish USD
        ["Input Prices", "upIsBullish"], // intrants PMI = hausse = inflation amont = bullish USD
        ["ISM Prices Paid", "upIsBullish"], // composante ISM = hausse = inflation producteurs = bullish USD
        ["Core Input Prices", "upIsBullish"], // input prices hors énergie/food = pression inflation sous-jacente = bullish USD
        ["Intermediate Goods Prices", "upIsBullish"], // biens intermédiaires = hausse = inflation future → bullish USD

        // 🎯 CHÔMAGE COURT TERME
        ["State-Level Jobless Reports", "upIsBearish"], // chômage régional en hausse = faiblesse → bearish USD
        ["Holiday Effects", "upIsBearish"], // hausse chômage temporaire = signe de ralentissement → bearish USD
        ["Duration of Unemployment", "upIsBearish"], // durée chômage plus longue = marché travail faible → bearish USD
        ["Rolling Average of Initial Claims", "upIsBearish"], // moyenne 4 semaines en hausse = tendance chômage détériorée → bearish USD

        // 🎯 POLITIQUE MONÉTAIRE
        ["Fed Interest Rate Decision", "upIsBullish"], // hausse des taux = resserrement monétaire → bullish USD
        ["FOMC Minutes", "upIsBullish"], // ton hawkish = signal durcissement → bullish USD
        ["Fed Funds Futures", "upIsBullish"], // pricing marchés sur taux plus élevés = bullish USD

        // 🎯 CROISSANCE
        ["GDP", "upIsBullish"], // PIB en hausse = économie robuste → bullish USD
        ["Atlanta Fed GDPNow", "upIsBullish"], // nowcast PIB Fed Atlanta = si + haut = croissance anticipée → bullish USD
        ["Inventories", "upIsBullish"], // stocks en hausse = signal activité (mais peut être surplus) → bullish USD
        ["Trade Balance", "upIsBullish"], // déficit commercial qui se réduit = plus d’exports = bullish USD
        ["Personal Consumption Expenditures", "upIsBullish"], // dépenses ménages = cœur de l’économie US = hausse = bullish USD

        // 🎯 BIENS D'ÉQUIPEMENT
        ["Capital Goods Orders", "upIsBullish"], // commandes équipements = investissement productif → bullish USD
        ["Business Equipment Orders", "upIsBullish"], // idem = hausse investissement entreprises = bullish USD


        // 🎯 ORACLES PPI
        ["ISM Manufacturing Prices", "upIsBullish"], // hausse des prix payés par les industriels → pression inflation producteurs → bullish USD
        ["ISM Non-Manufacturing Prices", "upIsBullish"], // hausse des prix payés dans les services → inflation généralisée → bullish USD

        ["Crude Oil Inventories", "upIsBearish"], // stocks élevés = surplus d’offre = baisse des prix de l’énergie = moins de pression inflationniste → bearish USD

        ["CFTC Aluminium speculative net positions", "upIsBullish"], // plus de positions longues = anticipation hausse aluminium = coûts industriels en hausse → bullish USD
        ["CFTC Copper speculative net positions", "upIsBullish"], // cuivre = métal clé industrie → hausse positions = anticipation prix + élevés → bullish USD
        ["CFTC Corn speculative net positions", "upIsBullish"], // agriculture → hausse spéculation = prix alimentaires plus hauts → inflation producteurs → bullish USD
        ["CFTC Crude Oil speculative net positions", "upIsBullish"], // spéculation pétrole en hausse = anticipation prix énergie + élevés → bullish USD
        ["CFTC Gold speculative net positions", "upIsBullish"], // plus de positions longues or = anticipation hausse métaux = signal inflation matières → bullish USD
        ["CFTC Natural Gas speculative net positions", "upIsBullish"], // spéculation haussière gaz = prix énergie + hauts = coûts de production + élevés → bullish USD
        ["CFTC Silver speculative net positions", "upIsBullish"], // argent = métal industriel & précieux → hausse positions = anticipation prix + hauts → bullish USD
        ["CFTC Soybeans speculative net positions", "upIsBullish"], // soja = produit agricole clé → spéculation haussière = prix intrants alimentaires + élevés → bullish USD
        ["CFTC Wheat speculative net positions", "upIsBullish"] // blé = intrant agricole majeur → spéculation haussière = anticipation prix + hauts → bullish USD



    ]);

// JPY direction rules
const directionRulesJPY = new Map([
    ["BoJ Interest Rate Decision", "upIsBullish"],
    ["Tokyo CPI", "upIsBullish"],
    ["Unemployment Rate", "upIsBearish"],
    ["Retail Sales", "upIsBullish"],
    ["GDP", "upIsBullish"]
]);

/********************************************************* */
// 🆕 Système de pondération (inspiré des étoiles TradingEconomics)
function getNewsWeight(eventName, currency = "USD") {
    const normalized = normalizeEvent(eventName);

    if (normalized.includes("atlanta fed")) return 0; // ⛔️ Filtrage explicite

    if (currency.toUpperCase() === "USD") {
        if (normalized.includes("nonfarm payrolls")) return 3;
        if (normalized.includes("ism manufacturing pmi")) return 3;
        if (normalized.includes("cpi") || normalized.includes("core cpi")) return 3;
        if (normalized.includes("fed interest rate")) return 3;
        if (normalized.includes("gdp")) return 3;
        if (normalized.includes("retail sales")) return 2;
        if (normalized.includes("ppi")) return 2;
        if (normalized.includes("unemployment")) return 2;
        if (normalized.includes("initial jobless")) return 1;
    }

    if (currency.toUpperCase() === "JPY") {
        if (normalized.includes("boj interest rate")) return 3;
        if (normalized.includes("gdp")) return 3;
        if (normalized.includes("tokyo cpi")) return 2;
        if (normalized.includes("retail sales")) return 2;
        if (normalized.includes("unemployment")) return 1;
    }

    return 0; // non-impactant
}

function normalizeEvent(name) {
    return name.replace(/\s?\(.*?\)/g, "").trim().toLowerCase();
}
// Ajoute d'autres Maps ici si nécessaire

function getDirectionRules(currency) {
    switch (currency.toUpperCase()) {
        case "USD":
            return directionRulesUSD;
        case "JPY":
            return directionRulesJPY;
        // case "EUR": return directionRulesEUR;
        // case "GBP": return directionRulesGBP;
        default:
            return new Map(); // Vide si devise non couverte
    }
}

function findRule(eventName, currency = "USD") {
    const rules = getDirectionRules(currency);
    const lowerName = eventName.toLowerCase();

    for (const [key, value] of rules.entries()) {
        if (lowerName.includes(key.toLowerCase())) {
            return value;
        }
    }

    return null; // Aucun match
}
function calculateDirection(rule, forecast, previous) {
    if (!rule || forecast == null || previous == null) return null;

    const f = parseFloat(forecast.toString().replace(/[^\d.-]/g, ""));
    const p = parseFloat(previous.toString().replace(/[^\d.-]/g, ""));

    if (isNaN(f) || isNaN(p)) return null;

    const isUp = f > p;
    const isDown = f < p;

    switch (rule) {
        case "upIsBullish":
            if (isUp) return "bullish";
            if (isDown) return "bearish";
            return "neutral";

        case "upIsBearish":
            if (isUp) return "bearish";
            if (isDown) return "bullish";
            return "neutral";

        default:
            return null; // unknown rule
    }
}

module.exports = { getDirectionRules, findRule, getNewsWeight, calculateDirection };