regtest

local json = require("json")
local tid = ""

print("Connecting to websocket server...")
local wsc = http.websocket("ws://127.0.0.1:3000")
if fs.exists("turtleid.lt") then
    local f = fs.open("turtleid.lt", "r")
    tid = f.readAll()
    f.close()
    print("Finding location...")
    local tx, ty, tz = gps.locate(5)
    if tx == nil then
        print("Could not find location. Try 'gps locate'")
        os.exit()
    end
    print("Updating turtle data...")
    local sdata = json.encode({ type = "update", x = tx, y = ty, z = tz, id = tid })
    wsc.send(sdata)
    local rdata = wsc.receive(10)
    if rdata == nil then
        print("Updating failed. Exiting.")
        os.exit()
    end
else
    print("This turtle is not yet registered. Please enter this turtle's name: ")
    local nname = io.read()
    print("Finding location...")
    local tx, ty, tz = gps.locate(5)
    if tx == nil then
        print("Could not find location. Try 'gps locate'")
        os.exit()
    end
    print("Sending...")
    local sdata = json.encode({ type = "register", x = tx, y = ty, z = tz, name = nname, auto = true })
    wsc.send(sdata)
    print("Waiting for response...")
    local rdata = wsc.receive(10)
    if rdata == nil then
        print("Registering failed. Exiting.")
        os.exit()
    end
    print("Got new ID: " .. rdata)
    local f = fs.open("turtleid.lt", "w")
    f.write(rdata)
    f.close()
    tid = rdata
end

print("Refueling...")
turtle.refuel()
print("Let's go mining!")