India VIX Range Lines + Accurate Table

//version=5
indicator("India VIX Range Lines + Accurate Table", overlay=true, max_lines_count=500)

// === STYLE INPUTS ===
lineWidth = input.int(2, "Line Width", minval=1)
upperColor = input.color(color.green, "Upper Line Color")
lowerColor = input.color(color.red, "Lower Line Color")
midColor = input.color(color.yellow, "Today Open Line Color")

// === TABLE THEME INPUTS ===
tableBgColor = input.color(color.new(color.black, 80), "Table Background Color")
tableBorder = input.color(color.white, "Table Border Color")
headerBgColor = input.color(color.new(color.blue, 60), "Header Background Color")
headerTextColor = input.color(color.white, "Header Text Color")
cellBgColor = input.color(color.new(color.gray, 60), "Cell Background Color")
cellTextColor = input.color(color.white, "Cell Text Color")

// === PARAMETERS ===
vixDivisor = 19.1 // fixed divisor

// === DATA FETCH ===
// India VIX daily open
indiaVixOpen = request.security("INDIAVIX", "D", open)

// Today's index first bar open (intraday-friendly)
var float todayOpen = na
if ta.change(time("D"))
todayOpen := open

// === CALCULATIONS ===
var float x = na
var float y = na
var float upperLine = na
var float lowerLine = na

if not na(todayOpen)
x := indiaVixOpen / vixDivisor // exact x = IndiaVIX Open / 19.1
y := todayOpen * x / 100 // range offset
upperLine := todayOpen + y
lowerLine := todayOpen - y

// === PLOT LINES (Fixed for the Day) ===
plot(upperLine, color=upperColor, style=plot.style_line, linewidth=lineWidth, title="Upper Line")
plot(lowerLine, color=lowerColor, style=plot.style_line, linewidth=lineWidth, title="Lower Line")
plot(todayOpen, color=midColor, style=plot.style_line, linewidth=lineWidth, title="Today Open Line")

// === TABLE DISPLAY ===
var table infoTable = table.new(position=position.top_right, columns=2, rows=7, border_width=1, frame_color=tableBorder, frame_width=1, bgcolor=tableBgColor)

if barstate.islast
table.cell(infoTable, 0, 0, "India VIX Open", text_color=headerTextColor, bgcolor=headerBgColor)
table.cell(infoTable, 1, 0, str.tostring(indiaVixOpen, "#.##"), text_color=cellTextColor, bgcolor=cellBgColor)

table.cell(infoTable, 0, 1, "VIX Divisor", text_color=headerTextColor, bgcolor=headerBgColor)
table.cell(infoTable, 1, 1, str.tostring(vixDivisor, "#.##"), text_color=cellTextColor, bgcolor=cellBgColor)

table.cell(infoTable, 0, 2, "X Value (VIX / 19.1)", text_color=headerTextColor, bgcolor=headerBgColor)
table.cell(infoTable, 1, 2, str.tostring(x, "#.#####"), text_color=cellTextColor, bgcolor=cellBgColor)

table.cell(infoTable, 0, 3, "Today Open", text_color=headerTextColor, bgcolor=headerBgColor)
table.cell(infoTable, 1, 3, str.tostring(todayOpen, "#.##"), text_color=cellTextColor, bgcolor=cellBgColor)

table.cell(infoTable, 0, 4, "Y Value (Range Offset)", text_color=headerTextColor, bgcolor=headerBgColor)
table.cell(infoTable, 1, 4, str.tostring(y, "#.#####"), text_color=cellTextColor, bgcolor=cellBgColor)

table.cell(infoTable, 0, 5, "Upper Line", text_color=headerTextColor, bgcolor=headerBgColor)
table.cell(infoTable, 1, 5, str.tostring(upperLine, "#.##"), text_color=cellTextColor, bgcolor=cellBgColor)

table.cell(infoTable, 0, 6, "Lower Line", text_color=headerTextColor, bgcolor=headerBgColor)
table.cell(infoTable, 1, 6, str.tostring(lowerLine, "#.##"), text_color=cellTextColor, bgcolor=cellBgColor)