extends Control

var newest_version
var newest_version_data
var newest_local_version
var os_name
var suffix

func _process(delta):
	if newest_version != null:
		newest_local_version = Versions.get_version()
		if newest_local_version:
			if newest_version > newest_local_version :
				$Panel/Play_button.text = "Update"
			else:
				$Panel/Play_button.text = "Play"
		else:
			$Panel/Play_button.text = "Update"

func _ready():
	if OS.get_name() == "X11":
		os_name = "linux"
	elif OS.get_name() == "Windows":
		os_name = "windows"

	var versions_request = HTTPRequest.new()
	add_child(versions_request)
	
	versions_request.connect("request_completed", self, "_versions_request_completed")
	var error = versions_request.request("https://code.retroedge.tech/api/v1/repos/UltraFlare/UltraFlare/releases?draft=false&pre-release=true&limit=1")

func _versions_request_completed(result, response_code, headers, body):
	var data = JSON.parse(body.get_string_from_ascii()).result
	newest_version = data[0].tag_name
	newest_version_data = data[0]
	
	print("Got versions!")

func _download_request_completed(result, response_code, headers, body):
	if OS.get_name() == "X11":
		var os_name = "linux"
	elif OS.get_name() == "Windows":
		var os_name = "windows"

	if os_name == "windows":
		var suffix = ".exe"
	else:
		var suffix = ""
	
	print("Download complete")
	var dl_file = File.new()
	dl_file.open(OS.get_config_dir()+"/UltraFlare/current/UltraFlare-"+os_name+"-x86_64", 7)
	dl_file.store_buffer(body)
	dl_file.close()
	
	newest_local_version = newest_version_data.tag_name
	Store.write_store("current_version", newest_local_version)
	
	if os_name == "linux":
		OS.execute("chmod", ["+x", OS.get_config_dir()+"/UltraFlare/current/UltraFlare-"+os_name+"-x86_64"])

func _on_Play_button_pressed():
	var suffix = ""
	if os_name == "windows":
		suffix = ".exe"
		
	print(os_name)
	
	if not newest_local_version or newest_version > newest_local_version:
		var download = HTTPRequest.new()
		add_child(download)
		
		download.connect("request_completed", self, "_download_request_completed")
		
		var url
		
		for asset in newest_version_data.assets:
			if asset.name == "UltraFlare-"+os_name+"-x86_64"+suffix:
				url = asset.browser_download_url
				break
		
		var error = download.request(url)
		
	else:
		var exit_code = OS.execute(OS.get_config_dir()+"/UltraFlare/current/UltraFlare-"+os_name+"-x86_64"+suffix, [], false)
		
		if exit_code != -1:
			get_tree().quit()
		else:
			print("Running UltraFlare failed with code: "+exit_code)