-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-- 1. run 'pastebin get 6Ygb1pZp ExcavateInit' IN THE ROOT DIRECTORY to download this file
-- 2. run 'ExcavateInit'
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

-- HB810Utu collect
-- W2qVHGc2 doRefuel
-- mzj74X2b goTo
-- kUWkUJzu main
-- qxskVVdf returnSupplies
-- PuQxFFKz tryDown
-- NXnxqmUZ tryForwards
-- dURixY5G turn
-- xW8BM9Rc unload

-- create/set directory for modules of this program
local workDir = "/excavate"
local intent

print("\nWhat would you like to do?: <run> to run / <inst> to install or reinstall.")
intent = io.read()
if intent == "run" then

    shell.setDir(workDir)
    shell.run("main")

elseif intent == "inst" then
    if fs.exists(workDir) then
        print("\nThe directory '/excavate' already exists. Would you like to delete it? y/n:")

        local userInput = io.read()

        if userInput == "y" then
            fs.delete(workDir)
            print("\n\tdeleted preexisting directory: " .. workDir)
        else
            shell.setDir("/")
            error("Did NOT delete preexisting directory. Aborting.")
        end
    end

    fs.makeDir(workDir)
    print("\tDirectory created: " .. workDir)
    shell.setDir(workDir)

    -- download all modules of "Excavate" into the directory created above
    shell.run("/rom/programs/http/pastebin get HB810Utu collect")
    shell.run("/rom/programs/http/pastebin get W2qVHGc2 doRefuel")
    shell.run("/rom/programs/http/pastebin get mzj74X2b goTo")
    shell.run("/rom/programs/http/pastebin get kUWkUJzu main")
    shell.run("/rom/programs/http/pastebin get qxskVVdf returnSupplies")
    shell.run("/rom/programs/http/pastebin get PuQxFFKz tryDown")
    shell.run("/rom/programs/http/pastebin get NXnxqmUZ tryForwards")
    shell.run("/rom/programs/http/pastebin get dURixY5G turn")
    shell.run("/rom/programs/http/pastebin get xW8BM9Rc unload")

    -- execute
    shell.run("main")

else
    error("invalid input")
end