export const calculatePV = (priceData, volumeData) => {
    const pv = [];
    for (let i = 0; i < priceData.length; i++) {
        pv.push(priceData[i] * volumeData[i]);
    }
    return pv;
};

export const calculateMFI = (priceData, volumeData, period = 14) => {
    const mfi = [];
    // Implement MFI calculation logic here
    return mfi;
};

export const detectBreakout = (priceData, volumeData) => {
    const breakouts = [];
    // Implement breakout detection logic here
    return breakouts;
};

export const screener = (stocks, criteria) => {
    return stocks.filter(stock => {
        const { priceData, volumeData } = stock;
        const pv = calculatePV(priceData, volumeData);
        const mfi = calculateMFI(priceData, volumeData);
        const breakouts = detectBreakout(priceData, volumeData);

        return pv.some(value => value > criteria.pvThreshold) &&
               mfi.some(value => value < criteria.mfiThreshold) &&
               breakouts.length > 0;
    });
};