startup.bios

--BIOS (diamond c. 22.1)--
--non-terminate event--
os.PullEvent = os.PullEventRaw
--BIOS (diamond c. 22.1) now has color ob boot--

w,h = term.getSize()

nOption = 0

isTemp = false

isBooting = false

biosVer = "diamond c. 22.1"

local function printCentered(y,s,clearLine)
    local x = math.floor((w - string.len(s)) / 2)
    term.setCursorPos(x,y)
    if clearLine == true then
        term.clearLine()
    end
    term.write(s)
end

local function Boot()
    term.clear()
    term.setCursorPos(1,1)
    print("BIOS ("..biosVer..")")
    print("Computer info: ")
    write("ID: ")
    term.setTextColor(colors.cyan)
    print(os.getComputerID())
    term.setTextColor(colors.white)
    --showing label and id--
    if not os.getComputerLabel() then
        write("Label: ")
        term.setTextColor(colors.red)
        print("*NONE*")
        term.setTextColor(colors.white)
    else
        write("Label: ")
        term.setTextColor(colors.cyan)
        print(os.getComputerLabel())
        term.setTextColor(colors.white)
    end
    print"Checking boot config..."
    --checking if ps supports color--
    write("Color support: ")
    if not term.isColor() then
        term.setTextColor(colors.red)
        print("*ERROR* NO COLOR SUPPORT BY COMPUTER")
    else
        term.setTextColor(colors.green)
        print("OK")
    end
    term.setTextColor(colors.white)
    write("Boot config: ")
    --checking if ps has boot file path--
    if not setting then
        term.setTextColor(colors.red)
        print("*ERROR* UNABLE TO GET BOOT CONFIG")
        term.setTextColor(colors.white)
        while true do
            sleep(0)
        end
    end
    if not fs.exists(setting) then
        term.setTextColor(colors.red)
        print("*ERROR RUN FILE DOES NOT EXISTS*")
        term.setTextColor(colors.white)
        while true do
            sleep(0)
        end
    end
    --bool file runing--

    term.setTextColor(colors.green)
    print("GOT")
    term.setTextColor(colors.white)
    textutils.slowPrint("Running boot file...")
    if isTemp == true then
        settings.set("bootFile", settings.get("bootOld"))
        settings.unset("bootOld")
        settings.undefine("bootOld")
        settings.save()
    end
    term.clear()
    term.setCursorPos(1,1)
    shell.run(setting)
end

local function TimerToBoot()
    while true do
        local event = os.pullEvent("timer")
        if event == "timer" then
            isBooting = true
            break
        end
    end
end

local function PressSettingButton()
    while true do
        local event, key = os.pullEvent("key")
        if event == "key" and isBooting ~= true then
            if keys.getName(key) == "delete" then
                os.cancelTimer(timer)
                while true do
                    term.clear()
                    term.setCursorPos(1,1)
                    print("BIOS ("..biosVer..") /// BOOT CONFIG ///")
                    if nOption == 0 then
                        printCentered(math.floor(h / 2) - 1, "[ Set boot file ]")
                        printCentered(math.floor(h / 2) - 0, "Boot from")
                        printCentered(math.floor(h / 2) + 1, "Close")
                    elseif nOption == 1 then
                        printCentered(math.floor(h / 2) - 1, "Set boot file")
                        printCentered(math.floor(h / 2) - 0, "[ Boot from ]")
                        printCentered(math.floor(h / 2) + 1, "Close")
                    else
                        printCentered(math.floor(h / 2) - 1, "Set boot file")
                        printCentered(math.floor(h / 2) - 0, "Boot from")
                        printCentered(math.floor(h / 2) + 1, "[ Close ]")
                    end
                    local event, key = os.pullEvent()
                    if event == "key" then
                        if keys.getName(key) == "up" then
                            if nOption > 0 then
                                nOption = nOption - 1
                            end
                        elseif keys.getName(key) == "down" then
                            if nOption < 2 then
                                nOption = nOption + 1
                            end
                        elseif keys.getName(key) == "enter" then
                            if nOption == 0 then
                                term.clear()
                                term.setCursorPos(1,1)
                                print("BIOS ("..biosVer..") /// BOOT CONFIG ///")
                                print("\n\nPlease write full path to file. Current \""..setting.."\"")
                                choice = read()
                                print("Save? [Y/n]")
                                if string.lower(read()) == "y" then
                                    settings.set("bootFile", choice)
                                    settings.save()
                                end
                            elseif nOption == 1 then
                                term.clear()
                                term.setCursorPos(1,1)
                                print("BIOS ("..biosVer..") /// BOOT CONFIG ///")
                                print("\n\nPlease write full path to file. (write 'cancel' to return)")
                                choice = read()
                                if string.lower(choice) ~= "cancel" then
                                    setting = choice
                                    print("Bootting...")
                                    sleep(1)
                                    break
                                end
                            elseif nOption == 2 then
                                break
                            end
                        end
                    end
                end
                break
            end
        elseif isBotting == true then
            break
        else
            sleep(0)
        end
    end
end

--os.pullEvent = os.pullEventRaw

--getting boot file path--
settings.set("shell.allow_disk_startup", false)
settings.save()
setting = settings.get("bootFile")
--printing lines :)--
term.clear()
term.setCursorPos(1,1)
print("BIOS ("..biosVer..")")
print("To open boot settings press DELETE...")
timer = os.startTimer(3)
parallel.waitForAny(PressSettingButton, TimerToBoot)
Boot()