View difference between Paste ID: P9yg5pz1 and Rc1PCzLH

 local api_base_url = "https://ipod-2to6magyna-uc.a.run.app/"
 local version = "2.1"
 
 local width, height = term.getSize()
 local tab = 1
 
 local waiting_for_input = false
 local last_search = nil
 local last_search_url = nil
 local search_results = nil
 local search_error = false
 local in_search_result = false
 local clicked_result = nil
 
 local playing = false
 local queue = {}
 local now_playing = nil
 local looping = 0
 local volume = 1.5
 
 local playing_id = nil
 local last_download_url = nil
 local playing_status = 0
 local is_loading = false
 local is_error = false;
 
 local player_handle = nil
 local start = nil
 local pcm = nil
 local size = nil
 local decoder = require "cc.audio.dfpwm".make_decoder()
 local needs_next_chunk = 0
 local buffer
 
 local speakers = { peripheral.find("speaker") }
 if #speakers == 0 then
 	error("No speakers attached. You need to connect a speaker to this computer. If this is an Advanced Noisy Pocket Computer, then this is a bug, and you should try restarting your Minecraft game.", 0)
 end
 
 function redrawScreen()
 	if waiting_for_input then
 		return
 	end
 
 	term.setCursorBlink(false)  -- Make sure cursor is off when redrawing
 	-- Clear the screen
 	term.setBackgroundColor(colors.black)
 	term.clear()
 
 	--Draw the three top tabs
 	term.setCursorPos(1,1)
 	term.setBackgroundColor(colors.gray)
 	term.clearLine()
 
 	tabs = {" Now Playing ", " Search "}
 
 	for i=1,#tabs,1 do
 		if tab == i then
 			term.setTextColor(colors.black)
 			term.setBackgroundColor(colors.white)
 		else
 			term.setTextColor(colors.white)
 			term.setBackgroundColor(colors.gray)
 		end
 
 		term.setCursorPos((math.floor((width/#tabs)*(i-0.5)))-math.ceil(#tabs[i]/2)+1, 1)
 		term.write(tabs[i])
 	end
 
 	if tab == 1 then
 		drawNowPlaying()
 	elseif tab == 2 then
 		drawSearch()
 	end
 end
 
 function drawNowPlaying()
 	if now_playing ~= nil then
 		term.setBackgroundColor(colors.black)
 		term.setTextColor(colors.white)
 		term.setCursorPos(2,3)
 		term.write(now_playing.name)
 		term.setTextColor(colors.lightGray)
 		term.setCursorPos(2,4)
 		term.write(now_playing.artist)
 	else
 		term.setBackgroundColor(colors.black)
 		term.setTextColor(colors.lightGray)
 		term.setCursorPos(2,3)
 		term.write("Not playing")
 	end
 
 	if is_loading == true then
 		term.setTextColor(colors.gray)
 		term.setBackgroundColor(colors.black)
 		term.setCursorPos(2,5)
 		term.write("Loading...")
 	elseif is_error == true then
 		term.setTextColor(colors.red)
 		term.setBackgroundColor(colors.black)
 		term.setCursorPos(2,5)
 		term.write("Network error")
 	end
 
 	term.setTextColor(colors.white)
 	term.setBackgroundColor(colors.gray)
 
 	if playing then
 		term.setCursorPos(2, 6)
 		term.write(" Stop ")
 	else
 		if now_playing ~= nil or #queue > 0 then
 			term.setTextColor(colors.white)
 			term.setBackgroundColor(colors.gray)
 		else
 			term.setTextColor(colors.lightGray)
 			term.setBackgroundColor(colors.gray)
 		end
 		term.setCursorPos(2, 6)
 		term.write(" Play ")
 	end
 
 	if now_playing ~= nil or #queue > 0 then
 		term.setTextColor(colors.white)
 		term.setBackgroundColor(colors.gray)
 	else
 		term.setTextColor(colors.lightGray)
 		term.setBackgroundColor(colors.gray)
 	end
 	term.setCursorPos(2 + 7, 6)
 	term.write(" Skip ")
 
 	if looping ~= 0 then
 		term.setTextColor(colors.black)
 		term.setBackgroundColor(colors.white)
 	else
 		term.setTextColor(colors.white)
 		term.setBackgroundColor(colors.gray)
 	end
 	term.setCursorPos(2 + 7 + 7, 6)
 	if looping == 0 then
 		term.write(" Loop Off ")
 	elseif looping == 1 then
 		term.write(" Loop Queue ")
 	else
 		term.write(" Loop Song ")
 	end
 
 	term.setCursorPos(2,8)
 	paintutils.drawBox(2,8,25,8,colors.gray)
 	local width = math.floor(24 * (volume / 3) + 0.5)-1
 	if not (width == -1) then
 		paintutils.drawBox(2,8,2+width,8,colors.white)
 	end
 	if volume < 0.6 then
 		term.setCursorPos(2+width+2,8)
 		term.setBackgroundColor(colors.gray)
 		term.setTextColor(colors.white)
 	else
 		term.setCursorPos(2+width-3-(volume == 3 and 1 or 0),8)
 		term.setBackgroundColor(colors.white)
 		term.setTextColor(colors.black)
 	end
 	term.write(math.floor(100 * (volume / 3) + 0.5) .. "%")
 
 	if #queue > 0 then
 		term.setBackgroundColor(colors.black)
 		for i=1,#queue do
 			term.setTextColor(colors.white)
 			term.setCursorPos(2,10 + (i-1)*2)
 			term.write(queue[i].name)
 			term.setTextColor(colors.lightGray)
 			term.setCursorPos(2,11 + (i-1)*2)
 			term.write(queue[i].artist)
 		end
 	end
 end
 
 function drawSearch()
 	-- Search bar
 	paintutils.drawFilledBox(2,3,width-1,5,colors.lightGray)
 	term.setBackgroundColor(colors.lightGray)
 	term.setCursorPos(3,4)
 	term.setTextColor(colors.black)
 	term.write(last_search or "Search...")
 
 	--Search results
 	if search_results ~= nil then
 		term.setBackgroundColor(colors.black)
 		for i=1,#search_results do
 			term.setTextColor(colors.white)
 			term.setCursorPos(2,7 + (i-1)*2)
 			term.write(search_results[i].name)
 			term.setTextColor(colors.lightGray)
 			term.setCursorPos(2,8 + (i-1)*2)
 			term.write(search_results[i].artist)
 		end
 	else
 		term.setCursorPos(2,7)
 		term.setBackgroundColor(colors.black)
 		if search_error == true then
 			term.setTextColor(colors.red)
 			term.write("Network error")
 		elseif last_search_url ~= nil then
 			term.setTextColor(colors.lightGray)
 			term.write("Searching...")
 		else
 			term.setCursorPos(1,7)
 			term.setTextColor(colors.lightGray)
 			print("Tip: You can paste YouTube video or playlist links.")
 		end
 	end
 
 	--fullscreen song options
 	if in_search_result == true then
 		term.setBackgroundColor(colors.black)
 		term.clear()
 		term.setCursorPos(2,2)
 		term.setTextColor(colors.white)
 		term.write(search_results[clicked_result].name)
 		term.setCursorPos(2,3)
 		term.setTextColor(colors.lightGray)
 		term.write(search_results[clicked_result].artist)
 
 		term.setBackgroundColor(colors.gray)
 		term.setTextColor(colors.white)
 
 		term.setCursorPos(2,6)
 		term.clearLine()
 		term.write("Play now")
 
 		term.setCursorPos(2,8)
 		term.clearLine()
 		term.write("Play next")
 
 		term.setCursorPos(2,10)
 		term.clearLine()
 		term.write("Add to queue")
 
 		term.setCursorPos(2,13)
 		term.clearLine()
 		term.write("Cancel")
 	end
 end
 
 function uiLoop()
 	redrawScreen()
 
 	while true do
 		if waiting_for_input then
 			parallel.waitForAny(
 				function()
 					term.setCursorPos(3,4)
 					term.setBackgroundColor(colors.white)
 					term.setTextColor(colors.black)
 					local input = read()
 
 					if string.len(input) > 0 then
 						last_search = input
 						last_search_url = api_base_url .. "?v=" .. version .. "&search=" .. textutils.urlEncode(input)
 						http.request(last_search_url)
 						search_results = nil
 						search_error = false
 					else
 						last_search = nil
 						last_search_url = nil
 						search_results = nil
 						search_error = false
 					end
 
 					waiting_for_input = false
 					os.queueEvent("redraw_screen")
 				end,
 				function()
 					while waiting_for_input do
 						local event, button, x, y = os.pullEvent("mouse_click")
 						if y < 3 or y > 5 or x < 2 or x > width-1 then
 							waiting_for_input = false
 							os.queueEvent("redraw_screen")
 							break
 						end
 					end
 				end
 			)
 		else
 			parallel.waitForAny(
 				function()
 					local event, button, x, y = os.pullEvent("mouse_click")
 
 					if button == 1 then
 						-- Tabs
 						if in_search_result == false then
 							if y == 1 then
 								if x < width/2 then
 									tab = 1
 								else
 									tab = 2
 								end
 								redrawScreen()
 							end
 						end
 
 						if tab == 2 and in_search_result == false then
 							-- Search box click
 							if y >= 3 and y <= 5 and x >= 1 and x <= width-1 then
 								paintutils.drawFilledBox(2,3,width-1,5,colors.white)
 								term.setBackgroundColor(colors.white)
 								waiting_for_input = true
 							end
 
 							-- Search result click
 							if search_results then
 								for i=1,#search_results do
 									if y == 7 + (i-1)*2 or y == 8 + (i-1)*2 then
 										term.setBackgroundColor(colors.white)
 										term.setTextColor(colors.black)
 										term.setCursorPos(2,7 + (i-1)*2)
 										term.clearLine()
 										term.write(search_results[i].name)
 										term.setTextColor(colors.gray)
 										term.setCursorPos(2,8 + (i-1)*2)
 										term.clearLine()
 										term.write(search_results[i].artist)
 										sleep(0.2)
 										in_search_result = true
 										clicked_result = i
 										redrawScreen()
 									end
 								end
 							end
 						elseif tab == 2 and in_search_result == true then
 							-- Search result menu clicks
 
 							term.setBackgroundColor(colors.white)
 							term.setTextColor(colors.black)
 
 							if y == 6 then
 								term.setCursorPos(2,6)
 								term.clearLine()
 								term.write("Play now")
 								sleep(0.2)
 								in_search_result = false
 								for _, speaker in ipairs(speakers) do
 									speaker.stop()
 									os.queueEvent("playback_stopped")
 								end
 								playing = true
 								is_error = false
 								playing_id = nil
 								if search_results[clicked_result].type == "playlist" then
 									now_playing = search_results[clicked_result].playlist_items[1]
 									queue = {}
 									if #search_results[clicked_result].playlist_items > 1 then
 										for i=2, #search_results[clicked_result].playlist_items do
 											table.insert(queue, search_results[clicked_result].playlist_items[i])
 										end
 									end
 								else
 									now_playing = search_results[clicked_result]
 								end
 								os.queueEvent("audio_update")
 							end
 
 							if y == 8 then
 								term.setCursorPos(2,8)
 								term.clearLine()
 								term.write("Play next")
 								sleep(0.2)
 								in_search_result = false
 								if search_results[clicked_result].type == "playlist" then
 									for i = #search_results[clicked_result].playlist_items, 1, -1 do
 										table.insert(queue, 1, search_results[clicked_result].playlist_items[i])
 									end
 								else
 									table.insert(queue, 1, search_results[clicked_result])
 								end
 								os.queueEvent("audio_update")
 							end
 
 							if y == 10 then
 								term.setCursorPos(2,10)
 								term.clearLine()
 								term.write("Add to queue")
 								sleep(0.2)
 								in_search_result = false
 								if search_results[clicked_result].type == "playlist" then
 									for i = 1, #search_results[clicked_result].playlist_items do
 										table.insert(queue, search_results[clicked_result].playlist_items[i])
 									end
 								else
 									table.insert(queue, search_results[clicked_result])
 								end
 								os.queueEvent("audio_update")
 							end
 
 							if y == 13 then
 								term.setCursorPos(2,13)
 								term.clearLine()
 								term.write("Cancel")
 								sleep(0.2)
 								in_search_result = false
 							end
 
 							redrawScreen()
 						elseif tab == 1 and in_search_result == false then
 							-- Now playing tab clicks
 
 							if y == 6 then
 								-- Play/stop button
 								if x >= 2 and x < 2 + 6 then
 									if playing or now_playing ~= nil or #queue > 0 then
 										term.setBackgroundColor(colors.white)
 										term.setTextColor(colors.black)
 										term.setCursorPos(2, 6)
 										if playing then
 											term.write(" Stop ")
 										else
 											term.write(" Play ")
 										end
 										sleep(0.2)
 									end
 									if playing then
 										playing = false
 										for _, speaker in ipairs(speakers) do
 											speaker.stop()
 											os.queueEvent("playback_stopped")
 										end
 										playing_id = nil
 										is_loading = false
 										is_error = false
 										os.queueEvent("audio_update")
 									elseif now_playing ~= nil then
 										playing_id = nil
 										playing = true
 										is_error = false
 										os.queueEvent("audio_update")
 									elseif #queue > 0 then
 										now_playing = queue[1]
 										table.remove(queue, 1)
 										playing_id = nil
 										playing = true
 										is_error = false
 										os.queueEvent("audio_update")
 									end
 								end
 
 								-- Skip button
 								if x >= 2 + 7 and x < 2 + 7 + 6 then
 									if now_playing ~= nil or #queue > 0 then
 										term.setBackgroundColor(colors.white)
 										term.setTextColor(colors.black)
 										term.setCursorPos(2 + 7, 6)
 										term.write(" Skip ")
 										sleep(0.2)
 
 										is_error = false
 										if playing then
 											for _, speaker in ipairs(speakers) do
 												speaker.stop()
 												os.queueEvent("playback_stopped")
 											end
 										end
 										if #queue > 0 then
 											if looping == 1 then
 												table.insert(queue, now_playing)
 											end
 											now_playing = queue[1]
 											table.remove(queue, 1)
 											playing_id = nil
 										else
 											now_playing = nil
 											playing = false
 											is_loading = false
 											is_error = false
 											playing_id = nil
 										end
 										os.queueEvent("audio_update")
 									end
 								end
 
 								-- Loop button
 								if x >= 2 + 7 + 7 and x < 2 + 7 + 7 + 12 then
 									if looping == 0 then
 										looping = 1
 									elseif looping == 1 then
 										looping = 2
 									else
 										looping = 0
 									end
 								end
 							end
 
 							if y == 8 then
 								-- Volume slider
 								if x >= 1 and x < 2 + 24 then
 									volume = (x - 1) / 24 * 3
 
 									-- for _, speaker in ipairs(speakers) do
 									-- 	speaker.stop()
 									-- 	os.queueEvent("playback_stopped")
 									-- end
 									-- playing_id = nil
 									-- os.queueEvent("audio_update")
 								end
 							end
 
 							redrawScreen()
 						end
 					end
 				end,
 				function()
 					local event, button, x, y = os.pullEvent("mouse_drag")
 
 					if button == 1 then
 
 						if tab == 1 and in_search_result == false then
 
 							if y >= 7 and y <= 9 then
 								-- Volume slider
 								if x >= 1 and x < 2 + 24 then
 									volume = (x - 1) / 24 * 3
 
 									-- for _, speaker in ipairs(speakers) do
 									-- 	speaker.stop()
 									-- 	os.queueEvent("playback_stopped")
 									-- end
 									-- playing_id = nil
 									-- os.queueEvent("audio_update")
 								end
 							end
 
 							redrawScreen()
 						end
 					end
 				end,
 				function()
 					local event = os.pullEvent("redraw_screen")
 
 					redrawScreen()
 				end
 			)
 		end
 	end
 end
 
 function audioLoop()
 	while true do
 
 		-- AUDIO
 		if playing and now_playing then
 			local thisnowplayingid = now_playing.id
 			if playing_id ~= thisnowplayingid then
 				playing_id = thisnowplayingid
 				last_download_url = api_base_url .. "?v=" .. version .. "&id=" .. textutils.urlEncode(playing_id)
 				playing_status = 0
 				needs_next_chunk = 1
 
 				http.request({url = last_download_url, binary = true})
 				is_loading = true
 
 				os.queueEvent("redraw_screen")
 				os.queueEvent("audio_update")
 			elseif playing_status == 1 and needs_next_chunk == 1 then
 
 				while true do
 					local chunk = player_handle.read(size)
 					if not chunk then
 						if looping == 2 or (looping == 1 and #queue == 0) then
 							playing_id = nil
 						elseif looping == 1 and #queue > 0 then
 							table.insert(queue, now_playing)
 							now_playing = queue[1]
 							table.remove(queue, 1)
 							playing_id = nil
 						else
 							if #queue > 0 then
 								now_playing = queue[1]
 								table.remove(queue, 1)
 								playing_id = nil
 							else
 								now_playing = nil
 								playing = false
 								playing_id = nil
 								is_loading = false
 								is_error = false
 							end
 						end
 
 						os.queueEvent("redraw_screen")
 
 						player_handle.close()
 						needs_next_chunk = 0
 						break
 					else
 						if start then
 							chunk, start = start .. chunk, nil
 							size = size + 4
 						end
 
 						buffer = decoder(chunk)
 
 						local fn = {}
 						for i, speaker in ipairs(speakers) do
 							fn[i] = function()
 								local name = peripheral.getName(speaker)
 								if #speakers > 1 then
 									if speaker.playAudio(buffer, volume) then
 										parallel.waitForAny(
 											function()
 												repeat until select(2, os.pullEvent("speaker_audio_empty")) == name
 											end,
 											function()
 												local event = os.pullEvent("playback_stopped")
 												return
 											end
 										)
 										if not playing or playing_id ~= thisnowplayingid then
 											return
 										end
 									end
 								else
 									while not speaker.playAudio(buffer, volume) do
 										parallel.waitForAny(
 											function()
 												repeat until select(2, os.pullEvent("speaker_audio_empty")) == name
 											end,
 											function()
 												local event = os.pullEvent("playback_stopped")
 												return
 											end
 										)
 										if not playing or playing_id ~= thisnowplayingid then
 											return
 										end
 									end
 								end
 								if not playing or playing_id ~= thisnowplayingid then
 									return
 								end
 							end
 						end
 
 						local ok, err = pcall(parallel.waitForAll, table.unpack(fn))
 						if not ok then
 							needs_next_chunk = 2
 							is_error = true
 							break
 						end
 
 						-- If we're not playing anymore, exit the chunk processing loop
 						if not playing or playing_id ~= thisnowplayingid then
 							break
 						end
 					end
 				end
 				os.queueEvent("audio_update")
 			end
 		end
 
 		os.pullEvent("audio_update")
 	end
 end
 
 function httpLoop()
 	while true do
 		parallel.waitForAny(
 			function()
 				local event, url, handle = os.pullEvent("http_success")
 
 				if url == last_search_url then
 					search_results = textutils.unserialiseJSON(handle.readAll())
 					os.queueEvent("redraw_screen")
 				end
 				if url == last_download_url then
 					is_loading = false
 					player_handle = handle
 					start = handle.read(4)
 					size = 16 * 1024 - 4
 					playing_status = 1
 					os.queueEvent("redraw_screen")
 					os.queueEvent("audio_update")
 				end
 			end,
 			function()
 				local event, url = os.pullEvent("http_failure")
 
 				if url == last_search_url then
 					search_error = true
 					os.queueEvent("redraw_screen")
 				end
 				if url == last_download_url then
 					is_loading = false
 					is_error = true
 					playing = false
 					playing_id = nil
 					os.queueEvent("redraw_screen")
 					os.queueEvent("audio_update")
 				end
 			end
 		)
 	end
 end
 
 parallel.waitForAny(uiLoop, audioLoop, httpLoop)