gl = peripheral.wrap("bottom")
ae = peripheral.wrap("front")
while true do
	evt, cmd = os.pullEvent("chat_command")
	words = {}
	i = 0
	waiting = false
    for word in string.gmatch(cmd, "%S+") do
        words[i] = word
        i = i + 1
    end
	if words[0] == "getitem" then
		if #words < 1 then
			waiting = false
			os.reboot()
		end
		n = ""
		if #words > 1 then
			for i=1,#words do
			  n = n.." "..words[i]
			end
		else
		n = words[1]
		end
		name = string.upper(n)
		names = {}
		ids = {}
		qty = {}
		number = 1
		for k,v in pairs(ae.getAvailableItems()) do
			if string.find(string.upper(v.name),name) then
				names[number] = v.name
				ids[number] = v.id
				qty[number] = v.qty
				number = number + 1
			end
		end
		gl.clear()
		idsl = 0
		for i = 1,#ids do
			if string.len(ids[i]) > idsl then
				idsl = string.len(ids[i])
			end
		end
		qtyl = 0
		for i = 1,#ids do
			if string.len(qty[i]) > qtyl then
				qtyl = string.len(qty[i])
			end
		end
		namesl = 0
		for i = 1,#ids do
			if string.len(names[i]) > namesl then
				namesl = string.len(names[i])
			end
		end
		num = 0
		idslen = idsl * 10
		qtylen = qtyl * 10
		nameslen = namesl * 6
		width = 30 + idslen + qtylen + nameslen
		heigth = (#ids * 10) + 15
		gl.addBox(20,5,width,heigth,40,0.5)
		gl.addText(30,10,"num",0x369de1)
		gl.addText(30 + 30,10,"id",0xf0371e)
		gl.addText(30 + 30 + idslen,10,"qty",0xffc703)
		gl.addText(30 + 30 + idslen + qtylen,10,"name",0x637b4b)
		for i = 1,#names do
			gl.addText(30,20 + num ,string.sub(i,1,string.len(i)),0x369de1)
			gl.addText(30 + 30,20 + num ,string.sub(ids[i],1,string.len(ids[i])),0xf0371e)
			gl.addText(30 + 30 + idslen,20 + num ,string.sub(qty[i],1,string.len(qty[i])),0xffc703)
			gl.addText(30 + 30 + idslen + qtylen,20 + num ,names[i],0x637b4b)
			num = num + 10
		end
		waiting = true
		if waiting then
			evt2, cmd2 = os.pullEvent("chat_command")
			i = 0
			mots = {}
			for mot in string.gmatch(cmd2, "%S+") do
				mots[i] = mot
				i = i + 1
			end
			if mots[0] == "num" then
				cust = {}
				cust["id"] = tonubmer(ids[mots[1]])
				cust["qty"] = tonubmer(mots[2])
				cust["dmg"] = -1
				ae.extractItem(cust, "east")
				gl.clear()
			else
				waiting = false
				gl.clear()
				os.reboot()
				break
			end
		end
	end
end