startup

os.loadAPI("f") -- a monitor API made by myself, it makes my life easier
os.loadAPI("getInput") -- search_bar
local p = peripheral.find("draconic_chest") -- can change for "chest" instead of "draconic_chest"
local m = peripheral.find("monitor") -- running on a monitor
m.setTextScale(0.5)
local list_items,items = {},{}
local a,b,c = 1,1,1
local selected = 0
local side = "west" -- 2nd chest direction from 1st chest
local chestSize = p.getInventorySize()
local w,h = m.getSize()

local bg = window.create(m,1,1,w,h)
local list = window.create(m,1,2,w*3/5-1,chestSize)
local up_bar = window.create(m,1,1,w,1)
local down_bar = window.create(m,1,h,w,h)
local scroll_bar = window.create(m,w*(3/5),2,1,h-1)
local bg2 = window.create(m,w*(3/5)+1,2,w,h-1)

function reset()
  bg.setBackgroundColor(colors.black)
  bg.clear()
  list.setBackgroundColor(colors.black)
  list.clear()
  up_bar.setBackgroundColor(colors.lightGray)
  up_bar.clear()
  down_bar.setBackgroundColor(colors.lightGray)
  down_bar.clear()
  scroll_bar.setBackgroundColor(colors.lightGray)
  scroll_bar.clear()
  bg2.setBackgroundColor(colors.gray)
  bg2.clear()
  f.centerText(up_bar,1,"selectionner une destination","black")
  f.print(down_bar,"dernier tp : ","black")
  f.cprint(down_bar,13,1,last_dest,"blue","lightGray")
  f.cprint(scroll_bar,1,1,"^","black","gray")
  f.cprint(scroll_bar,1,h-2,"v","black","gray")
end

function pulse()
  redstone.setAnalogOutput("right",15)
  sleep(0.5)
  redstone.setAnalogOutput("right",0)
  local last_dest = "none"
end

function getItems()
  b = 1
  items = {}
  if chestSize ~= nil then
    for a=1,chestSize do
      list_items[a] = p.getStackInSlot(a)
      if list_items[a] ~= nil and list_items[a].name == "teleporterMKI" then
        items[b] = {}
        items[b][1] = a
        items[b][2] = list_items[a].display_name
        b = b + 1
      end
    end
  end
  table.sort(items, function(a, b) return a[2] < b[2] end)
  table.insert(items,1,{1,">>> retour au Spawn <<<","spawn"})
end

function list_display()
  for c=1,#items do
    if c == selected then
      f.drawLine(list,1,c,w,"gray")
      f.centerTextRight(list,c,"ouvrir","white")
    else
      list.setBackgroundColor(colors.black)
    end
    if items[c][3] == nil then
      f.cprint(list,1,c,items[c][2],"blue","black")
    elseif items[c][3] == "spawn" then
      f.centerText(list,c,items[c][2],"cyan")
    end
  end
end

function scroll(direction)
  local x,y = list.getPosition()
  if direction == "up" and y <=1 then
    list.reposition(1,y+2)
  elseif direction == "down" and y+#items > h-1 then
    list.reposition(1,y-2)
  end
end

pulse()

while true do
  reset()
  getItems()
  list_display()
  down_bar.redraw()
  up_bar.redraw()
  x,y = list.getPosition()
  j,k = scroll_bar.getPosition()
  event,p1,p2,p3,p4,p5 = os.pullEvent()
  if event == "monitor_touch" then
    if p3-y+1 == selected and items[selected] ~= nil and p2 < j-1 then
      up_bar.clear()
      f.centerText(up_bar,1,"ouverture...","black")
      pulse()
      p.pushItem(side,items[selected][1])
      last_dest = items[selected][2]
      getItems()
      close = os.startTimer(3)
    elseif p3 > 1 and p2 < j-1 then
      selected = p3-y+1
    elseif p3 == 2 and p2 == j then
      scroll("up")
    elseif p3 == h-1 and p2 == j then
      scroll("down")
    end
  end
  if event == "timer" and p1 == close then
    pulse()
  end
  bg2.setCursorPos(1,1)
  search, ev10, p10 = getInput.read(bg2,30)
  bg2.setCursorPos(1,2)
  print(search)
  display = {}
  for i,v in pairs(items) do
    if string.find(v[2],search) ~= nil then
      table.insert(display,v)
    end
  end
end