os_computer

local SEPERATOR = "======================================="
local PROGDIR = [[OS\PROG\]]

local STARTUP = 'shell.run("clear"); shell.run("OS/os.lua")'

local osActive = true

local options_main = {
    {label="Installer",file="Era6PJf4", cmds = {}},
    {label="Shell",file="LKm6jXGQ"}, cmds = {""},
}

local optInd = 1
fs.makeDir(PROGDIR)

local options_progs = {}


function Main()
    makeStartup(STARTUP)
    shell.run("clear")
    print(SEPERATOR)
    print("Frogpulp OS - PC Edition")
    print(SEPERATOR)
    optInd = 1
    for i,opt in ipairs(options_main) do
        print(optInd..". "..opt.label)
        optInd = optInd + 1
    end
    for i,file in ipairs(fs.list(PROGDIR)) do
        table.insert(options_progs,i,string.gsub(file,PROGDIR,""))
    end
    print(SEPERATOR)
    for i,v in pairs(options_progs) do
        print(optInd..". "..v)
        optInd = optInd + 1
    end
    if #options_progs == 0 then
        print("No programs.")
    end
    print(SEPERATOR)
    local inp = io.read()
    inp = tonumber(inp)
    print("Enter program to run: (ex. 3)\n")
    shell.run("clear")
    term.setCursorPos(1,1)
    print("Loading...")
    os.sleep(1)
    if inp <= #options_main then
        local but = options_main[inp]
        if but.label == "Shell" then
            shell.run("clear")
            print(SEPERATOR)
            print("Frogpulp OS - Shell")
            print(SEPERATOR.."\nReboot to return to OS.\n\n")
            osActive = false
            return
        else
            print("Running program...")
            if not fs.exists(but.file) then shell.run("pastebin run "..but.file) end
            shell.run(but.file)
        end
    elseif inp > #options_main then
        shell.run(PROGDIR..options_progs[inp-#options_main])
    else
        print("Unrecognized input...")
        os.sleep(0.5)
        return
    end
end

function makeStartup(text) -- new
    if fs.exists("startup.lua") then shell.run("delete startup.lua"); end
    local file = fs.open("startup.lua","w")
    file.write(text)
    file.close()
end

repeat Main() until not osActive