Kiosk 1

local Items = {}

local function Clear()
term.clear()
term.setCursorPos(1,1)
end

function GetItems()
local file = fs.open("system/ItemList.txt","r")
local Contents = file.readAll()
Items = textutils.unserialize(Contents)
file.close()
end

function DisplayItems()
local X = 2
local Y = 2
for i + 1, #Items do
    term.setCursorPos(1,i + 1)
    term.write(Items[i][1])
end
end

function TouchCUI()
local n = 0
while true do
local event, a, b, c = os.pullEvent("mouse_click")
for i = 1, #Items do
    if c == i + 1 then n = i end
end
if n > 0 then break end
end
return n
end

function Menu()
term.setBackgroundColor(colors.lightBlue)
Clear()
print("shopping Terminal")
DisplayItems()
DisplayItem(TouchCUI())
Menu()
end

function DisplayItem(I)
Clear()
print(Items[I][1], " for ", Items[I][3])
print("buy 1")
print("buy 5")
print("cancel")
local event, a, b, c
repeat
    event, a, b, c = os.pullEvent("mouse_click")
until c == 2 or c == 3 or c == 4
local Amount = 0
if c == 2 then
    Amount = 1
elseif c == 3 then
    Amount = 5
elseif c == 4 then
    Amount = 0
end
if Amount > 0 then
     if Transaction(I,Amount) == true then Transfer(I,Amount) end
end
end

function Transfer(I,A)
local ChestA = peripheral.find("minecraft:chest_0")
local ChestB = peripheral.find("minecraft:chest_1")
local List = ChestA.list()
local Req = 0
for i = 1, #List do
    if Req < A then
        local Item = ChestA.getItemDetail(i)
        if Item.displayName == Items[I][1] then
            if Item.count => A then Req = A ChestA.pushItems(ChestB,i,{limit = A - Req}) else Req = Req + Item.count ChestA.pushItems(ChestB,i,{limit = A - Req}) end
       end
    end
end
end

function Transaction(item, Amount)
local Result
while true do
shell.run("Trans",Items[item][3] * Amount, Items[item][1])
local event, a, b = os.pullEvent()
if event == "Transaction_Accepted" then
    print("accepted")
    Result = true
    break
elseif event == "Transaction_Declined" then
    print("declined: ", a)
    Result = false
    break
end
end
return Result
end