/*backtest
start: 2024-12-04 00:00:00
end: 2024-12-11 00:00:00
period: 3m
basePeriod: 3m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=5
strategy("Double Bottom and Top Hunter", overlay=true)

// Parametreler
length = input.int(100, title="Dönem Uzunluğu", defval=100)
lookback = input.int(100, title="Geriye Dönük Kontrol Süresi", defval=100)

// İkili Dip ve Tepe Bulma
low1 = ta.lowest(low, length)
high1 = ta.highest(high, length)

low2 = ta.valuewhen(low == low1, low, 1)
high2 = ta.valuewhen(high == high1, high, 1)

doubleBottom = (low == low1 and ta.lowest(low, lookback) == low1 and low == low2)
doubleTop = (high == high1 and ta.highest(high, lookback) == high1 and high == high2)

// İşlem Açma Koşulları
longCondition = doubleBottom
shortCondition = doubleTop

// İşlem Kapatma Koşulları
closeLongCondition = ta.highest(high, length) > high1 and low < low1
closeShortCondition = ta.lowest(low, length) < low1 and high > high1

// İşlem Açma
if (longCondition)
    strategy.entry("Long", strategy.long, qty=1)

if (shortCondition)
    strategy.entry("Short", strategy.short, qty=1)

// İşlem Kapatma
if (closeLongCondition)
    strategy.close("Long")

if (closeShortCondition)
    strategy.close("Short")

// Grafik Üzerinde Göstergeler ve ZigZag Çizimi
plotshape(series=longCondition, title="İkili Dip Bulundu", location=location.belowbar, color=color.green, style=shape.labelup, text="LONG")
plotshape(series=shortCondition, title="İkili Tepe Bulundu", location=location.abovebar, color=color.red, style=shape.labeldown, text="SHORT")

// var line zigzagLine = na
// if (doubleBottom or doubleTop)
//     zigzagLine := line.new(x1=bar_index[1], y1=na, x2=bar_index, y2=doubleBottom ? low : high, color=doubleBottom ? color.green : color.red, width=2)

// Zigzag çizgisini sürekli güncelleme
// line.set_xy1(zigzagLine, bar_index[1], na)
// line.set_xy2(zigzagLine, bar_index, doubleBottom ? low : high)