Shadow Detector

//version=5
indicator("Shadow Detector", overlay=true)

// === Inputs ===
// ---- Upper Wick Controls ----
enableMinUpperWick = input.bool(true, "", group="Long Upper Wick Settings",inline = 'A')
minUpperWickPerc = input.float(0.4, "Min Upper Wick %", step=0.01, group="Long Upper Wick Settings",inline = 'A')

enableMaxLowerWick = input.bool(true, "", group="Long Upper Wick Settings",inline = 'B')
maxLowerWickPerc = input.float(0.5, "Max Lower Wick %", step=0.01, group="Long Upper Wick Settings",inline = 'B')

enableMaxBodyUpper = input.bool(true, " ", group="Long Upper Wick Settings",inline = 'C')
maxBodyPercUpper = input.float(100.0, "Max Body % (Upper Wick)", step=0.01, group="Long Upper Wick Settings",inline = 'C')

// ---- Lower Wick Controls ----
enableMinLowerWick = input.bool(true, "", group="Long Lower Wick Settings",inline = 'd')
minLowerWickPerc = input.float(0.4, "Min Lower Wick %", step=0.01, group="Long Lower Wick Settings",inline = 'd')

enableMaxUpperWick = input.bool(true, "", group="Long Lower Wick Settings",inline = 'e')
maxUpperWickPerc = input.float(0.5, "Max Upper Wick %", step=0.01, group="Long Lower Wick Settings",inline = 'e')

enableMaxBodyLower = input.bool(true, "", group="Long Lower Wick Settings",inline = 'f')
maxBodyPercLower = input.float(100.0, "Max Body % (Lower Wick)", step=0.01, group="Long Lower Wick Settings",inline = 'f')

// === Calculations ===
bodySize = math.abs(close - open)
upperWick = high - math.max(open, close)
lowerWick = math.min(open, close) - low

// Reference price
refPrice = close // you can change to (high+low)/2 or open if preferred

// Thresholds for Upper Wick Condition
minUpperWickPoints = refPrice * (minUpperWickPerc / 100)
maxLowerWickPoints = refPrice * (maxLowerWickPerc / 100)
maxBodyPointsUpper = refPrice * (maxBodyPercUpper / 100)

// Thresholds for Lower Wick Condition
minLowerWickPoints = refPrice * (minLowerWickPerc / 100)
maxUpperWickPoints = refPrice * (maxUpperWickPerc / 100)
maxBodyPointsLower = refPrice * (maxBodyPercLower / 100)

// === Conditions with Enable/Disable Logic ===
// Long Upper Shadow conditions (only check enabled conditions)
upperCondition1 = enableMaxBodyUpper ? bodySize <= maxBodyPointsUpper : true
upperCondition2 = enableMinUpperWick ? upperWick >= minUpperWickPoints : true
upperCondition3 = enableMaxLowerWick ? lowerWick <= maxLowerWickPoints : true
longUpper = upperCondition1 and upperCondition2 and upperCondition3

// Long Lower Shadow conditions (only check enabled conditions)
lowerCondition1 = enableMaxBodyLower ? bodySize <= maxBodyPointsLower : true
lowerCondition2 = enableMinLowerWick ? lowerWick >= minLowerWickPoints : true
lowerCondition3 = enableMaxUpperWick ? upperWick <= maxUpperWickPoints : true
longLower = lowerCondition1 and lowerCondition2 and lowerCondition3

// === Plot Shapes ===
plotshape(longUpper, title="Long Upper Shadow", style=shape.triangledown, color=color.red, size=size.small, location=location.abovebar)
plotshape(longLower, title="Long Lower Shadow", style=shape.triangleup, color=color.green, size=size.small, location=location.belowbar)

// === Alerts ===
alertcondition(longUpper, title="Long Upper Shadow", message="Upper shadow conditions met")
alertcondition(longLower, title="Long Lower Shadow", message="Lower shadow conditions met")