MenuAPI

-- MenuAPI --

local clr = function() term.clear() end
local setText = function(col) term.setTextColor(colors[col]) end
local setBack = function(col) term.setBackgroundColor(colors[col]) end
local selector = {"[","]"}
local selectorColor = "white"
local selectedColor = "white"
local l_color = {"white","orange","magenta","lightBlue","yellow","lime","pink","gray","lightGray","cyan","purple","blue","brown","green","red","black"}
local upd = true
local sel = 1
version = 1

function setSelector(x,y)
    selector = {x,y}
end

function setSelectorColor(col)
    if type(col) ~= "string" then error("Expected String, got "..type(col)) end
    local tmp = false
    for i=1, #l_color do
        if col == l_color[i] then tmp = true end
    end
    if tmp == false then
        error("Expect a Color, got "..type(col))
    end
    selectorColor = col
end

function setSelectedColor(col)
    if type(col) ~= "string" then error("Expected String, got "..type(col)) end
    local tmp = false
    for i=1, #l_color do
        if col == l_color[i] then tmp = true end
    end
    if tmp == false then
        error("Expect a Color, got "..type(col))
    end
    selectedColor = col
end

function resetPosition(bool)
    if type(bool) == "boolean" then
        setpos = bool
    else
        error("Expected boolean, got "..bool)
    end
end

function run(menu)
    if type(menu) ~= "table" then
        error("Expected Table, Got "..type(menu))
    end
    local running = true
    if setpos == nil or setpos == true then
        sel = 1
    end
    upd = true
    while running do
        if upd == true then
            clr()
            term.setCursorPos(1,1)
            for i=1, #menu do
                if sel == i then
                    setText(selectorColor)
                    write(selector[1].." ")
                    setText(selectedColor)
                    write(menu[i].." ")
                    setText(selectorColor)
                    print(selector[2].." ")
                else
                    print("  "..menu[i].."  ")
                end
            end
            upd = false
        end
        a,i = os.pullEvent("key")
        if i == keys.w or i == keys.up then
            if sel ~= 1 then sel = sel - 1 upd = true end
        elseif i == keys.s or i == keys.down then
            if sel ~= #menu then sel = sel + 1 upd = true end
        elseif i == keys.e or i == keys.enter then
            running = false
        end
    end
    return sel
end