utils

-- Little thing with some functions I like to use in my stuff.
function printCenter(text)
    local w, _ = term.getSize()
    local _, y = term.getCursorPos()
    local x = math.max(math.floor((w / 2) - (#text / 2)), 0)
    term.setCursorPos(x, y)
    write(text)
end

function printFarRight(text)
    local w, _ = term.getSize()
    local _, h = term.getCursorPos()
    term.setCursorPos(w - #text, h)
    print(text)
end

function printSpecificX(text, x)
    local _, h = term.getCursorPos()
    term.setCursorPos(x, h)
    write(text)
end

function has_key(array, key)
    return array[key] ~=  nil
end

function getTableSize(array)
    local count = 0
    for _, __ in pairs(array) do
        count = count + 1
    end
    return count
end


function deepEquals(t1, t2)
    local ty1 = type(t1)
    local ty2 = type(t2)

    if ty1 ~= ty2 then
        return false
    end

    -- non-table types can be directly compared
    if ty1 ~= "table" and ty2 ~= "table" then
        return t1 == t2
    end

    if getTableSize(t1) ~= getTableSize(t2) then
        return false
    end

    for k1, v1 in pairs(t1) do
        local v2 = t2[k1]
        if v2 == nil or not deepEquals(v1, v2) then
            return false
        end
    end

    for k2, v2 in pairs(t2) do
        local v1 = t1[k2]
        if v1 == nil or not deepEquals(v1, v2) then
            return false
        end
    end

    return true
end