// © AminZarei

//@version=6
indicator('[AminZarei]MasterIchiXAU', '[AminZarei]Master Ichi XAU', overlay = true, max_lines_count = 500)
tenkan_len = input(9, 'Tenkan          ', inline = 'tenkan')
tenkan_mult = input(2., '', inline = 'tenkan')

kijun_len = input(26, 'Kijun             ', inline = 'kijun')
kijun_mult = input(4., '', inline = 'kijun')

spanB_len = input(52, 'Senkou Span B ', inline = 'span')
spanB_mult = input(6., '', inline = 'span')

offset = input(26, 'Displacement')
//------------------------------------------------------------------------------
avg(src, length, mult) =>
    atr = ta.atr(length) * mult
    up = hl2 + atr
    dn = hl2 - atr
    upper = 0.
    lower = 0.
    upper := src[1] < upper[1] ? math.min(up, upper[1]) : up
    lower := src[1] > lower[1] ? math.max(dn, lower[1]) : dn

    os = 0
    max = 0.
    min = 0.
    os := src > upper ? 1 : src < lower ? 0 : os[1]
    spt = os == 1 ? lower : upper
    max := ta.cross(src, spt) ? math.max(src, max[1]) : os == 1 ? math.max(src, max[1]) : spt
    min := ta.cross(src, spt) ? math.min(src, min[1]) : os == 0 ? math.min(src, min[1]) : spt
    math.avg(max, min)
    //------------------------------------------------------------------------------
tenkan = avg(close, tenkan_len, tenkan_mult)
kijun = avg(close, kijun_len, kijun_mult)

senkouA = math.avg(kijun, tenkan)
senkouB = avg(close, spanB_len, spanB_mult)
//------------------------------------------------------------------------------
tenkan_css = #2157f3
kijun_css = #ff5d00

cloud_a = color.new(color.teal, 80)
cloud_b = color.new(color.red, 80)

chikou_css = #7b1fa2

plot(tenkan, 'Tenkan-Sen', tenkan_css)
plot(kijun, 'Kijun-Sen', kijun_css)

plot(ta.crossover(tenkan, kijun) ? kijun : na, 'Crossover', #2157f3, 3, plot.style_circles)
plot(ta.crossunder(tenkan, kijun) ? kijun : na, 'Crossunder', #ff5d00, 3, plot.style_circles)

A = plot(senkouA, 'Senkou Span A', na, offset = offset - 1)
B = plot(senkouB, 'Senkou Span B', na, offset = offset - 1)
fill(A, B, senkouA > senkouB ? cloud_a : cloud_b)

plot(close, 'Chikou', chikou_css, offset = -offset + 1, display = display.none)