hooked play stats for bustadice

PlayStats.js

class PlayStats {
    constructor(context, usingBetSkips){
        this.context = context;
        this._context = {context...};
        this._usingBetSkips = usingBetSkips || false;
        this._bet = async (value, target) => {
            return new Promise((resolve, reject)=>{
                this._context.bet(value, target).catch(reject).then((r)=>{
                    if(this._usingBetSkips && r.value === 100 && r.target === 1.01){
                        this.gameStats.skip.total += 1
                        if(r.multiplier < r.target){
                            this.gameStats.skip.cost -= 100;
                            this.profitStats.profit.net -= 100
                            if(this.profitStats.profit.net < this.profitStats.profit.atl){
                                this.profitStats.profit.atl = this.profitStats.profit.net;
                            }
                        }else{
                            this.gameStats.skip.cost += 1;
                            this.profitStats.profit.net += 1;
                            if(this.profitStats.profit.net > this.profitStats.profit.ath){
                                this.profitStats.profit.ath = this.profitStats.profit.net;
                            }
                        }
                    }else{
                        this.gameStats.play += 1;
                        this.profitStats.wagered.total += r.value;
                        if(r.value > this.profitStats.wagered.largest){
                            this.profitStats.wagered.largest = r.value;
                        }
                        if(r.multiplier < r.target){
                            this.gameStats.lose.total += 1;
                            this.gameStats.win._since += 1;
                            this.gameStats.lose._since = 0;
                            if(this.gameStats.win._since > this.gameStats.lose.streak){
                                this.gameStats.lose.streak = this.gameStats.win._since;
                            }
                            this.profitStats.losses.total += r.value;
                            if(r.value > this.profitStats.losses.largest){
                                this.profitStats.losses.largest = r.value;
                            }
                            this.profitStats.profit.net -= r.value;
                            if(this.profitStats.profit.net < this.profitStats.profit.atl){
                                this.profitStats.profit.atl = this.profitStats.profit.net;
                            }
                        }else{
                            this.gameStats.win.total += 1;
                            this.gameStats.lose._since += 1;
                            this.gameStats.win._since = 0;
                            if(this.gameStats.lose._since > this.gameStats.win.streak){
                                this.gameStats.win.streak = this.gameStats.lose._since;
                            }
                            let amount = (r.value * r.target);
                            this.profitStats.winnings.total += amount;
                            if(amount > this.profitStats.winnings.largest){
                                this.profitStats.winnings.largest = amount;
                            }
                            this.profitStats.profit.net += (amount - r.value);
                            if(this.profitStats.profit.net > this.profitStats.profit.ath){
                                this.profitStats.profit.ath = this.profitStats.profit.net;
                            }
                        }
                    }
                    return resolve(r);
                })
            });
        }
        this._skip = async () => {
            return new Promise((resolve, reject) => {
                this._context.skip().catch(reject).then((r)=>{
                    this.gameStats.skipped += 1;
                    return resolve(r);
                });
            });
        }
        this.reset();
        this.attach();
    }
    attach(context){
        context = context || this.context;
        if(context !== null){
            if(!this._context._playStats){
                try{
                    this.context.bet = this._bet;
                    this.context.skip = this._skip;
                }catch(e){ throw new Error('failed to attach'); }
            }else { throw new Error('already attached'); }
        }else{ throw new Error('no context provided'); }
    }
    reset(){
        this.gameStats = {
            win: { streak: 0, total: 0, _since: 0},
            lose: { streak: 0, total: 0, _since: 0},
            skip: { total: 0, cost: 0}
            played: 0, skipped: 0
        };
        this.profitStats = {
            wagered: { largest: 0, total: 0 },
            winnings: { largest: 0, total: 0},
            losses: { largest: 0, total: 0},
            profit: { ath: 0, atl: 0, net: 0 }
        };
        this.targetStats = {
            added: [], played: [], dropped: []
        };
    }
}

// Usage:
var playStats = new PlayStats(this, true);