MTF Trend Guardian

// This Pine Script™ code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © ExpertPineQuant

//@version=6
strategy("[CUCEDT-W33] MTF Trend Guardian", overlay = true, initial_capital = 1000, default_qty_type = strategy.percent_of_equity, default_qty_value = 10)

//------------------------------------------------------------------------------
// TABLE OF CONTENTS 
// 1. Constants
// 2. Inputs
// 3. Calculations
// 4. Strategy Logic
// 5. Visuals
//-----------------------------------------------------------------------------{

//------------------------------------------------------------------------------
// 1. Constants
//-----------------------------------------------------------------------------{
color BULL_COLOR = color.new(color.teal, 0)
color BEAR_COLOR = color.new(color.maroon, 0)

//-----------------------------------------------------------------------------}
// 2. Inputs
//-----------------------------------------------------------------------------{
grp_trend = "Trend Filter (HTF)"
htfTimeframeInput = input.timeframe("1D", "Higher Timeframe", group = grp_trend)
htfLengthInput    = input.int(50, "HTF EMA Length", minval = 1, group = grp_trend)

grp_entry = "Entry Settings"
rsiLengthInput    = input.int(14, "RSI Length", minval = 1, group = grp_entry)
rsiLongThreshold  = input.float(50.0, "RSI Long Threshold", group = grp_entry)
rsiShortThreshold = input.float(50.0, "RSI Short Threshold", group = grp_entry)

grp_exit = "Exit Settings"
rsiExitLongLevel  = input.float(40.0, "RSI Exit Level for Long", group = grp_exit)
rsiExitShortLevel = input.float(60.0, "RSI Exit Level for Short", group = grp_exit)

//-----------------------------------------------------------------------------}
// 3. Calculations
//-----------------------------------------------------------------------------{
// --- Indicators ---
float rsiValue = ta.rsi(close, rsiLengthInput)
float htfEma   = request.security(syminfo.tickerid, htfTimeframeInput, ta.ema(close, htfLengthInput)[1], lookahead = barmerge.lookahead_on)

// --- Entry Conditions ---
bool isTrendBullish = close > htfEma
bool isTrendBearish = close < htfEma

bool isRsiLongTrigger  = ta.crossover(rsiValue, rsiLongThreshold)
bool isRsiShortTrigger = ta.crossunder(rsiValue, rsiShortThreshold)

bool longCondition  = isTrendBullish and isRsiLongTrigger
bool shortCondition = isTrendBearish and isRsiShortTrigger

// --- Exit Conditions ---
bool exitLongCondition  = ta.crossunder(rsiValue, rsiExitLongLevel)
bool exitShortCondition = ta.crossover(rsiValue, rsiExitShortLevel)

//-----------------------------------------------------------------------------}
// 4. Strategy Logic
//-----------------------------------------------------------------------------{
// --- Entries ---
if longCondition
    strategy.entry("Long Entry", strategy.long, comment = "Long Trend")

if shortCondition
    strategy.entry("Short Entry", strategy.short, comment = "Short Trend")

// --- Exits ---
if strategy.position_size > 0 and exitLongCondition
    strategy.close("Long Entry", comment = "RSI Weakness")

if strategy.position_size < 0 and exitShortCondition
    strategy.close("Short Entry", comment = "RSI Strength")

//-----------------------------------------------------------------------------}
// 5. Visuals
//-----------------------------------------------------------------------------{
// Determine EMA Color based on price relation
color emaColor = close >= htfEma ? color.green : color.red

// Plot the HTF EMA with dynamic color
plot(htfEma, "Daily EMA", color = emaColor, linewidth = 2)

bgcolor(strategy.position_size > 0 ? color.new(color.teal, 90) : 
        strategy.position_size < 0 ? color.new(color.maroon, 90) : na, title = "Trade Active Background")

plotshape(longCondition, title = "Long Signal", style = shape.triangleup, location = location.belowbar, color = BULL_COLOR, size = size.small)
plotshape(shortCondition, title = "Short Signal", style = shape.triangledown, location = location.abovebar, color = BEAR_COLOR, size = size.small)

//-----------------------------------------------------------------------------}