//@version=6
indicator(
     "LabotKripto Trend Helper",
     shorttitle = "LK Trend Helper",
     overlay = true,
     max_labels_count = 500
)

fastLength = input.int(21, "Gyors EMA", minval = 1)
slowLength = input.int(50, "Lassú EMA", minval = 1)
rsiLength = input.int(14, "RSI periódus", minval = 1)
longRsiLevel = input.float(55.0, "Long watch RSI-szint", minval = 0, maxval = 100, step = 0.5)
shortRsiLevel = input.float(45.0, "Short watch RSI-szint", minval = 0, maxval = 100, step = 0.5)
showBackground = input.bool(true, "Háttérszínezés")
showSignals = input.bool(true, "Jelölések")

emaFast = ta.ema(close, fastLength)
emaSlow = ta.ema(close, slowLength)
rsiValue = ta.rsi(close, rsiLength)

bullTrend = emaFast > emaSlow and close > emaFast
bearTrend = emaFast < emaSlow and close < emaFast

longWatch = bullTrend and rsiValue >= longRsiLevel
shortWatch = bearTrend and rsiValue <= shortRsiLevel

plot(emaFast, "EMA gyors", color = color.new(color.green, 0), linewidth = 2)
plot(emaSlow, "EMA lassú", color = color.new(color.orange, 0), linewidth = 2)

bgColor =
     longWatch ? color.new(color.green, 88) :
     shortWatch ? color.new(color.red, 88) :
     na

bgcolor(showBackground ? bgColor : na)

plotshape(
     showSignals and longWatch and not longWatch[1],
     title = "Long watch indul",
     style = shape.labelup,
     location = location.belowbar,
     color = color.new(color.green, 0),
     text = "LONG\nWATCH",
     textcolor = color.white,
     size = size.tiny
)

plotshape(
     showSignals and shortWatch and not shortWatch[1],
     title = "Short watch indul",
     style = shape.labeldown,
     location = location.abovebar,
     color = color.new(color.red, 0),
     text = "SHORT\nWATCH",
     textcolor = color.white,
     size = size.tiny
)

alertcondition(
     longWatch and not longWatch[1],
     title = "LabotKripto Long watch",
     message = '{"source":"labotkripto","script":"trend_helper","symbol":"{{ticker}}","timeframe":"{{interval}}","side":"long_watch","close":"{{close}}"}'
)

alertcondition(
     shortWatch and not shortWatch[1],
     title = "LabotKripto Short watch",
     message = '{"source":"labotkripto","script":"trend_helper","symbol":"{{ticker}}","timeframe":"{{interval}}","side":"short_watch","close":"{{close}}"}'
)

trendText =
     longWatch ? "LONG WATCH" :
     shortWatch ? "SHORT WATCH" :
     bullTrend ? "EMELKEDŐ TREND" :
     bearTrend ? "CSÖKKENŐ TREND" :
     "SEMLEGES"

trendColor =
     longWatch ? color.new(color.green, 0) :
     shortWatch ? color.new(color.red, 0) :
     color.new(color.gray, 20)

var table statusTable = table.new(position.top_right, 2, 4, border_width = 1)

if barstate.islast
    table.cell(statusTable, 0, 0, "LabotKripto", text_color = color.white, bgcolor = color.new(color.black, 0))
    table.cell(statusTable, 1, 0, "Trend Helper", text_color = color.white, bgcolor = color.new(color.black, 0))
    table.cell(statusTable, 0, 1, "Állapot")
    table.cell(statusTable, 1, 1, trendText, text_color = color.white, bgcolor = trendColor)
    table.cell(statusTable, 0, 2, "RSI")
    table.cell(statusTable, 1, 2, str.tostring(rsiValue, "#.0"))
    table.cell(statusTable, 0, 3, "EMA")
    table.cell(statusTable, 1, 3, str.tostring(fastLength) + " / " + str.tostring(slowLength))