local event = require "event"
local sides = require "sides"
local inv = require "inv"
local mtmenu = require "mtmenu"
local stat = ""

function inv.search(searchterm)
 local rt
 repeat
  rt = inv.matchAll({label=searchterm or ""},true)
  if not rt then
   mtmenu.popup("Server appears to be down.\nPress any key to try again.","Error")
   event.pull("key_down")
  end
 until rt
 return rt, #rt, #rt
end

local searchterm = ""
--local output = inv.getAliases()[os.getenv("HOSTNAME")]
local output
local ci,si = 1,1
local run = true
local timers = {}

repeat
 local w,aliases = pcall(inv.getAliases)
 if not w then
  mtmenu.popup("Server appears to be down.\nPress any key to try again.","Error")
  event.pull("key_down")
 else
  output=aliases[os.getenv("HOSTNAME")]
 end
until w

local phases = {
[0] = "⣿⣿",
"⢾⣿",
" ⣿",
" ⣹",
"⣏⣹",
"⣏ ",
"⣿ ",
"⣿⡷"
}

local function search()
 io.write("\n\27[2KSearch: ")
 searchterm = io.read()
end
local function setOutput()
 io.write("\n\27[2KOutput side:")
 local ins = io.read()
 output = tonumber(ins) or sides[ins]
end

local function extract(item)
 io.write(string.format("\nExtracting %s; Count [64] or x to exit? ",item.label))
 local count = io.read()
 if count == "x" then return false end
 count=tonumber(count) or 64
 item.size = nil
 local w, c = inv.extract(item,count,output[1],output[2])
 mtmenu.setStatus(string.format("%s: %i items extracted", w and "Success" or "Error", c or 0))
end

local function info(item)
 local s = string.format("\n%s (%s)\nCount: %d\n",item.label,item.name,item.size)
 if item.aspects then
  s=s.."Aspects: "
  for k,v in pairs(item.aspects) do
   s=string.format("%s\n - %d x %s",s,v,k)
  end
 end
 s=s.."\n\nPress any key."
 mtmenu.popup(s,item.label or item.name)
 event.pull("key_down")
end

local function help()
 mtmenu.popup("\n[Tab]   Search\n[Enter] Extract Items\n[i]     Item Information\n[r]     Refresh\n[o]     Set output\n\nPress any key.","Key bindings")
 event.pull("key_down")
end

local function formatEntries(t,used,size,searchterm)
 local rt = {}
 local mx, my = mtmenu.getScreenSize()
 rt.header = " Name" .. (" "):rep(mx-11) .. "Count"
 rt.status = string.format(" %s (%i/%i) %s %s", phases[math.floor((os.time()-43200)/86400)%8], used, size, searchterm, (" "):rep(mx)):sub(1,mx-5) .. "[H]elp"
 for k,v in ipairs(t) do
  local count = string.format("(%ix%i+%i)",v.size//v.maxSize, v.maxSize, v.size%v.maxSize)
  local fmt = string.format("%%-%is %%s", mx-#count-1)
  rt[k] = string.format(fmt, v.label, count)
 end
 return rt
end

while run do
 local sr, used, size = inv.search(searchterm)
 local ci, ch, co, st
 while true do
  ci, ch, co, st = mtmenu.menu(formatEntries(sr,used,size,searchterm), st)
  if co == 28 then -- enter
   extract(sr[ci])
   break
  elseif co == 15 then -- tab
   search()
   break
  elseif ch == "i" then
   info(sr[ci])
  elseif ch == "h" then
   help()
  elseif ch == "r" then
   mtmenu.popup("Refreshing index...")
   break
  elseif ch == "o" then
   setOutput()
  elseif ch == "q" then
   run = false
   break
  end
 end
end
for k,v in pairs(timers) do
 event.cancel(v)
end