LocalMover

turtle = require("turtle")

--[[
    A little wrapper for ComputerCraft turtle.
    Intended for counting local coordinates.
]]--

local position = {
    x = 0,
    y = 0,
    z = 0
}

local direction = "forward"

local resultingTable = {

    moveUp = function()
        code, msg = turtle.up()
        if code then
            position.y = position.y + 1
        end
        return code, msg
    end,

    moveDown = function()
        code, msg = turtle.down()
        if code then
            position.y = position.y - 1
        end
        return code, msg
    end,

    moveForward = function()
        code, msg = turtle.forward()
        if code then
            position.y = position.x + 1
        end
        return code, msg
    end,

    moveBack = function()
        code, msg = turtle.back()
        if code then
            position.y = position.x - 1
        end
        return code, msg
    end,

    moveRight = function()
        code, msg = turtle.turnRight()
        if not code then
            return code, msg
        end
        direction = "right"

        code, msg = turtle.forward()
        if code then
            position.z = position.z + 1
        else
            return code, msg
        end

        code, msg = turtle.turnLeft()
        if code then
            direction = "forward"
        end
        return code, msg
    end,

    moveLeft = function()
        code, msg = turtle.turnLeft()
        if not code then
            return code, msg
        end
        direction = "left"

        code, msg = turtle.forward()
        if code then
            position.z = position.z - 1
        else
            return code, msg
        end

        code, msg = turtle.turnLeft()
        if code then
            direction = "left"
        end
        return code, msg
    end,

    fixDirection = function()
        if direction == "forward" then
            return true
        elseif direction == "left" then
            code, msg = turtle.turnRight()
            if code then
                direction = "forward"
            end
            return code, msg
        elseif direction == "right" then
            code, msg = turtle.turnLeft()
            if code then
                direction = "forward"
            end
            return code, msg
        else
            return false, "Incorrect direction"
        end
    end,

    getPosition = function()
        return position
    end,

    getDirection = function()
        return direction
    end

}

return resultingTable