notepad-setup

-- Setup program for notepad v1.0.0
-- You don't need to run this file more than once unless
-- you want to reset notepad
term.setBackgroundColor(colors.black)
term.setTextColor(colors.white)
term.clear()
-- Download all the required files from pastebin
local function install()
    term.clear()
    term.setCursorPos(1, 1)
    print("Welcome to notepad setup! Press ENTER to install notepad or Q to quit.")
    while true do
        local event, key = os.pullEvent("key")
        if event == "key" and keys.getName(key) == "enter" then
            if fs.find("notepad.settings") then
                fs.delete("notepad.settings")
            end
            print("Downloading required APIs...")
            sleep(0.3)
            shell.run("pastebin get V33yuuVi button.lua")
            sleep(0.25)
            shell.run("pastebin get VwX6sfh9 text.lua")
            sleep(0.25)
            shell.run("pastebin get tcCFbCKC notepadsettings.lua")
            sleep(0.25)
            print("Done!")
            sleep(0.5)
            print("Downloading program files...")
            sleep(0.3)
            shell.run("pastebin get ApnY4GZt notepad.lua")
            sleep(0.25)
            shell.run("pastebin get TmjSVSRZ memos.lua")
            sleep(0.25)
            shell.run("pastebin get 1yQRqBVa settingsapp.lua")
            sleep(0.25)
            shell.run("pastebin get VsEazWKR startup.lua")
            sleep(0.25)
            print("Done!")
            sleep(0.5)
            print()
            term.setTextColor(colors.lightBlue)
            print("Installation completed succesfully! Press any key to reboot the computer.")
            while true do
                local event = os.pullEvent("key")
                if event == "key" then
                    os.reboot()
                end
            end
        elseif event == "key" and keys.getName(key) == "q" then
            os.reboot()
        end
    end
end
-- Delete files if they already exist
local function deleteFiles()
    if fs.exists("notepad.lua") then
        fs.delete("notepad.lua")
    end
    if fs.exists("startup.lua") then
        fs.delete("startup.lua")
    end
    if fs.exists("memos.lua") then
        fs.delete("memos.lua")
    end
    if fs.exists("notepadsettings.lua") then
        fs.delete("notepadsettings.lua")
    end
    if fs.exists("settingsapp.lua") then
        fs.delete("settingsapp.lua")
    end
    if fs.exists("button.lua") then
        fs.delete("button.lua")
    end
    if fs.exists("text.lua") then
        fs.delete("text.lua")
    end
    if fs.exists("notepad.settings") then
        fs.delete("notepad.settings")
    end
end
-- Reinstall the program if it's already installed
local function reInstall()
    term.clear()
    term.setCursorPos(1, 1)
    print("Installation detected! Do you want to reinstall notepad?")
    term.setTextColor(colors.orange)
    print("WARNING! All settings will be resetted!")
    term.setTextColor(colors.white)
    print("Press ENTER to continue or Q to quit.")
    while true do
        local event, key = os.pullEvent("key")
        if event == "key" and keys.getName(key) == "enter" then
            deleteFiles()
            install()
        elseif event == "key" and keys.getName(key) == "q" then
            os.reboot()
        end
    end
end
-- Check if the program is already installed
local function isAlreadyInstalled()
    if fs.exists("notepad.lua") or
            fs.exists("settingsapp.lua") or
            fs.exists("notepadsettings.lua") then
        return true
    end
    return false
end
-- Check if this is a pocket computer
if not pocket then
    term.setCursorPos(1, 1)
    term.setTextColor(colors.orange)
    print("Notepad is not compatible with this computer! It can only be installed in pocket computers!")
    return
end

if isAlreadyInstalled() then
    reInstall()
else
    install()
end