--[[
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
]]

local lGname = "ScreenSize"

local function printTelem2(w,h)
	lcd.setColor(0,0,0)	
	lcd.drawText(10,10,w.."x"..h)
	a = math.floor(((system.getInputs("P5")+1)/2)*100)
	b = math.floor(((system.getInputs("P6")+1)/2)*100)
	lcd.setColor(255,0,0)
	lcd.drawText(10,30,300+a.."x"..140+b)
	lcd.drawRectangle(0,0,300+a,140+b)
end

local once = true
local function printTelem(width, height)
  local w = width - 1
  local h = height - 1

  if (height > 159) then
    -- DC24 II
    w = width - 2
    h = height - 25
  end
  -- cross
  lcd.drawText(w / 2, h / 2, w .. " x " .. h .."px")
  lcd.drawText(w / 2, (h / 2) + 15, width.. " x " .. height .."px")
  lcd.drawLine(w / 2, 0, w / 2, h)
  lcd.drawLine(0, h / 2, w, h / 2)
  lcd.drawLine(0, 0, w, h)
  lcd.drawLine(0, h, w, 0)

  lcd.drawLine(0, 0, w, 0)
  lcd.drawLine(0, h, w, h)
  lcd.drawLine(0, 0, 0, h)
  lcd.drawLine(w, 0, w, h)
  
  local txTel = system.getTxTelemetry();
  lcd.drawText(10,20,string.format("R %02.1fV Q%03u%% A1 %02u A2 %02u", txTel.rx1Voltage, txTel.rx1Percent, txTel.RSSI[1],txTel.RSSI[2]))
  if (once) then
    print(string.format("R %02.1fV Q%03u%% A1 %02u A2 %02u", txTel.rx1Voltage, txTel.rx1Percent, txTel.RSSI[1],txTel.RSSI[2]))
	once = false
  end
end

local function printForm(width, height)
  local w = width - 1
  local h = height - 1

  local y = 0
  lcd.setColor(0,0,0)
  lcd.drawText(0, height - 20, width .."x" .. height .. "px")
  lcd.drawText(0, y, "NORM=" .. lcd.getTextWidth(FONT_NORMAL, "D") .. "," .. lcd.getTextHeight(FONT_NORMAL), FONT_NORMAL)
  y = y + lcd.getTextHeight(FONT_NORMAL)
  lcd.drawText(0, y, "MINI=" .. lcd.getTextWidth(FONT_MINI, "D")   .. "," .. lcd.getTextHeight(FONT_MINI), FONT_MINI)
  y = y + lcd.getTextHeight(FONT_MINI)
  lcd.drawText(0, y, "BOLD=" .. lcd.getTextWidth(FONT_BOLD, "D")   .. "," .. lcd.getTextHeight(FONT_BOLD), FONT_BOLD)
  y = y + lcd.getTextHeight(FONT_BOLD)
  lcd.drawText(0, y, "BIG =" .. lcd.getTextWidth(FONT_BIG, "D")   .. "," .. lcd.getTextHeight(FONT_BIG), FONT_BIG)
  y = y + lcd.getTextHeight(FONT_BIG)
  lcd.drawText(0, y, "MAXI=" .. lcd.getTextWidth(FONT_MAXI, "D")   .. "," .. lcd.getTextHeight(FONT_MAXI), FONT_MAXI)
  -- cross
  lcd.drawText(w / 2 + (4 * lcd.getTextWidth(FONT_NORMAL, "D")), h / 2, w.." x " .. h.."px")
  lcd.drawLine(w / 2, 0, w / 2, h)
  lcd.drawLine(0, h / 2, w, h / 2)
  lcd.drawLine(0, 0, w, h)
  lcd.drawLine(0, h, w, 0)

  lcd.drawLine(0, 0, w, 0)
  lcd.drawLine(0, h, w, h)
  lcd.drawLine(0, 0, 0, h)
  lcd.drawLine(w, 0, w, h)
end

local function init()
  system.setProperty("NativeDraw", 1)
  system.registerTelemetry(1, lGname, 5, printTelem)
  system.registerForm(1, MENU_MAIN, lGname, nil, nil, printForm)
end

collectgarbage()

return {init=init, author="Pju", version="1.0", name=lGname}