//@version=5
strategy("Effortless Small Account Strategy", overlay=true, initial_capital=500, default_qty_type=strategy.percent_of_equity, default_qty_value=10, commission_type=strategy.commission.percent, commission_value=0.075)

// --- Inputs ---
lookback      = input.int(20, title="S/R Lookback Period", minval=5)
rr_ratio      = input.float(2.0, title="Risk to Reward Ratio", minval=1.0, step=0.1)
atr_period    = input.int(14, title="ATR Period")
atr_mult      = input.float(0.5, title="Proximity Threshold (ATR Multiplier)", minval=0.1, step=0.1)
risk_perc     = input.float(1.0, title="Risk Per Trade (%)", minval=0.1, maxval=5.0, step=0.1)

// --- Indicators ---
atr = ta.atr(atr_period)
sup = ta.lowest(low, lookback)[1]
res = ta.highest(high, lookback)[1]

// --- Entry Logic ---
// Price hits or comes close to support/resistance level
near_support    = (low[1] <= sup + (atr * atr_mult))
near_resistance = (high[1] >= res - (atr * atr_mult))

// Entry triggers: breakout above signal bar high for long, or below signal bar low for short
long_condition  = near_support and (close > high[1])
short_condition = near_resistance and (close < low[1])

// --- Risk Management & Position Sizing ---
var float stop_loss_price = na
var float take_profit_price = na

if (strategy.position_size == 0)
    if (long_condition)
        stop_loss_price := math.min(low[1], low) - (atr * 0.2)
        risk_per_share = close - stop_loss_price
        if (risk_per_share > 0)
            take_profit_price := close + (risk_per_share * rr_ratio)
            capital_at_risk = strategy.equity * (risk_perc / 100)
            qty_to_buy = capital_at_risk / risk_per_share
            strategy.entry("Long", strategy.long, qty=qty_to_buy)
            strategy.exit("Exit Long", "Long", stop=stop_loss_price, limit=take_profit_price)

    else if (short_condition)
        stop_loss_price := math.max(high[1], high) + (atr * 0.2)
        risk_per_share = stop_loss_price - close
        if (risk_per_share > 0)
            take_profit_price := close - (risk_per_share * rr_ratio)
            capital_at_risk = strategy.equity * (risk_perc / 100)
            qty_to_sell = capital_at_risk / risk_per_share
            strategy.entry("Short", strategy.short, qty=qty_to_sell)
            strategy.exit("Exit Short", "Short", stop=stop_loss_price, limit=take_profit_price)

// --- Plotting ---
plot(sup, title="Support Level", color=color.green, linewidth=2, style=plot.style_line)
plot(res, title="Resistance Level", color=color.red, linewidth=2, style=plot.style_line)

plot(strategy.position_size > 0 ? stop_loss_price : na, title="Long SL", color=color.red, style=plot.style_linebr)
plot(strategy.position_size > 0 ? take_profit_price : na, title="Long TP", color=color.green, style=plot.style_linebr)
plot(strategy.position_size < 0 ? stop_loss_price : na, title="Short SL", color=color.red, style=plot.style_linebr)
plot(strategy.position_size < 0 ? take_profit_price : na, title="Short TP", color=color.green, style=plot.style_linebr)