const ALLC = function allwaysCooperate(foeHistory) {
    return true;
}

const ALLD = function allwaysDefect(foeHistory) {
    return false;
}

const RAND = function randomChoice(foeHistory) {
    if (Math.random() > 0.5) {
        return true;
    }
    return false;
}

const TFT = function titForThat(foeHistory) {
    if (foeHistory.length === 0) {
        return true;
    }
    return foeHistory[foeHistory.length - 1];
}

const GRIM = function grimTrigger(foeHistory) {
    if (foeHistory.some(e => e === false)) {
        return false;
    }
    return true;
}

const MAJ = function majority(foeHistory) {
    let nbTrue = 0;
    let nbFalse = 0;

    for (const valeur of foeHistory) {
        if (valeur) {
            nbTrue++;
        } else {
            nbFalse++;
        }
    }
    if (nbTrue < nbFalse) {
        return false;
    }
    return true;
}

class Party {
    constructor(length) {
        this.length = length;

        this.functions = [ALLC, ALLD, RAND, TFT, GRIM, MAJ];

        this.grid = [];

        for (let i = 0; i < length; i++) {
            this.grid[i] = [];

            for (let j = 0; j < length; j++) {
                const index = Math.floor(Math.random() * this.functions.length);
                this.grid[i][j] = this.functions[index];
            }
        }
    }
}