class_name ClassFunctions 

extends Control
var log_result: Dictionary
var log_parameters: Array
var wrapper_command: String = "/app/tools/retrodeck_function_wrapper.sh"
var config_file_path = "/var/config/retrodeck/retrodeck.cfg"
var json_file_path = "/var/config/retrodeck/retrodeck.json"
var desktop_mode: String = OS.get_environment("XDG_CURRENT_DESKTOP")
var rdhome: String
var roms_folder: String
var saves_folder: String
var states_folder: String
var bios_folder: String
var rd_log: String
var rd_log_folder: String
var rd_version: String
var gc_version: String
var sound_effects: bool = true
var title: String
var quick_resume_status: bool
@onready var retoarch_qrg_button: Button  = get_tree().current_scene.get_node("%retroarch_quick_resume_button")
@onready var retoarch_qrs_button: Button  = get_tree().current_scene.get_node("%quick_resume_button")

func _ready():
	var config = data_handler.parse_config_to_json(config_file_path)
	data_handler.config_save_json(config, json_file_path)
	rd_log_folder = config["paths"]["logs_folder"]
	rd_log = rd_log_folder + "/retrodeck.log"
	rdhome = config["paths"]["rdhome"]
	roms_folder = config["paths"]["roms_folder"]
	saves_folder = config["paths"]["saves_folder"]
	states_folder = config["paths"]["states_folder"]
	bios_folder = config["paths"]["bios_folder"]
	rd_version = config["version"]
	gc_version = ProjectSettings.get_setting("application/config/version")
	title = "\n   " + rd_version + "\nConfigurator\n    " + gc_version
	quick_resume_status = config["quick_resume"]["retroarch"]


func logger(log_type: String, log_text: String) -> void:
	# Type of log messages:
	# log d - debug message: maybe in the future we can decide to hide them in main builds or if an option is toggled
	# log i - normal informational message
	# log w - waring: something is not expected but it's not a big deal
	# log e - error: something broke
	var log_header_text = "gdc_"
	log_header_text+=log_text
	log_parameters = ["log", log_type, log_header_text]
	log_result = await run_thread_command(wrapper_command,log_parameters, false)
	#log_result = await run_thread_command("find",["$HOME", "-name", "*.xml","-print"], false)
	#print (log_result["exit_code"])
	#print (log_result["output"])
	
func array_to_string(arr: Array) -> String:
	var text: String
	for line in arr:
		text = line.strip_edges() + "\n"
	return text

func wait (seconds: float) -> void:
	await get_tree().create_timer(seconds).timeout

# TODO This should be looked at again when GoDot 4.3 ships as has new OS.execute_with_pipe	
func execute_command(command: String, parameters: Array, console: bool) -> Dictionary:
	var result = {}
	var output = []
	var exit_code = OS.execute(command, parameters, output, console) ## add if exit == 0 etc
	result["output"] = array_to_string(output)
	result["exit_code"] = exit_code
	return result

func run_command_in_thread(command: String, paramaters: Array, _console: bool) -> Dictionary:
	var thread = Thread.new()
	thread.start(execute_command.bind(command,paramaters,false))
	while thread.is_alive():
		await get_tree().process_frame
	var result = thread.wait_to_finish()
	thread = null
	return result
	
func run_thread_command(command: String, parameters: Array, console: bool) -> Dictionary:
	log_result = await run_command_in_thread(command, parameters, console)
	return log_result
	
func process_url_image(body) -> Texture:
	var image = Image.new()
	image.load_png_from_buffer(body)
	var texture = ImageTexture.create_from_image(image)
	return texture

func launch_help(url: String) -> void:
	#OS.unset_environment("LD_PRELOAD")
	#OS.set_environment("XDG_CURRENT_DESKTOP", "KDE") 
	#var launch = class_functions.execute_command("xdg-open",[url], false)
	#var launch = class_functions.execute_command("org.mozilla.firefox",[url], false)
	OS.shell_open(url)

func import_csv_data(file_path: String) -> Dictionary:
	# check if file exists
	var data_dict: Dictionary
	var file = FileAccess.open(file_path,FileAccess.READ)
	if file:
		var csv_lines: PackedStringArray = file.get_as_text().strip_edges().split("\n")
		for i in range(1, csv_lines.size()):  # Start from 1 to skip the header
			var line = csv_lines[i]
			var columns = line.split(",")
			if columns.size() >= 3: 
				var id = columns[0]
				var url = columns[1]
				var description = columns[2]
				data_dict[id] = {"URL": url, "Description": description}
		file.close()
	else:
		print ("Could not open file: %s", file_path)

	return data_dict

func _import_data_lists(file_path: String) -> void:
	var tk_about: Dictionary = import_csv_data(file_path)
	
	for key in tk_about.keys():
		var entry = tk_about[key]
		print("ID: " + key)
		print("URL: " + entry["URL"])
		print("Description: " + entry["Description"])
		print("---")

func import_text_file(file_path: String) -> String:
	var content: String = ""
	var file = FileAccess.open(file_path, FileAccess.READ)
	if file == null:
		class_functions.logger("e","Failed to open file %s" % file_path)
		return content
	while not file.eof_reached():
		content += file.get_line() + "\n"
	file.close
	return content

func map_locale_id(current_locale: String) -> int:
	var int_locale: int
	match current_locale:
		"en":
			int_locale = 0
		"it":
			int_locale = 1
		"de":
			int_locale = 2
		"se":
			int_locale = 3
		"uk":
			int_locale = 4
		"jp":
			int_locale = 5
		"cn":
			int_locale = 6
	return int_locale

func environment_data() -> void:
	var env_result = class_functions.execute_command("printenv",[], true)
	#print (env_result["output"])
	#print (OS.get_environment("XDG_CURRENT_DESKTOP"))
	var file = FileAccess.open(OS.get_environment("HOME") + "/sdenv.txt",FileAccess.WRITE)
	if file != null:
		file.store_string(env_result["output"])
	file.close()

func display_json_data() -> void:
	var app_data := AppData.new()
	app_data = data_handler.app_data
	#data_handler.add_emulator()
	#data_handler.modify_emulator_test()
	if app_data:
		#var website_data: Link = app_data.about_links["rd_web"]
		#print (website_data.name,"-",website_data.url,"-",website_data.description,"-",website_data.url)
		##print (app_data.about_links["rd_web"]["name"])
		#var core_data: Core = app_data.cores["gambatte_libetro"]
		#print (core_data.name)
		#for property: CoreProperty in core_data.properties:
			#print("Cheevos: ", property.cheevos)
			#print("Cheevos Hardcore: ", property.cheevos_hardcore)
			#print("Quick Resume: ", property.quick_resume)
			#print("Rewind: ", property.rewind)
			#print("Borders: ", property.borders)
			#print("Widescreen: ", property.widescreen)
			#print("ABXY_button:", property.abxy_button)
		for key in app_data.emulators.keys():
			var emulator = app_data.emulators[key]
			# Display the properties of each emulator
			print("System Name: ", emulator.name)
			print("Description: ", emulator.description)
			#print("System: ", emulator.systen)
			print("Help URL: ", emulator.url)
			print("Properties:")
			for property: EmulatorProperty in emulator.properties:
				print("Cheevos: ", property.cheevos)
				print("Borders: ", property.borders)
				print("ABXY_button:", property.abxy_button)
				print("multi_user_config_dir: ", property.multi_user_config_dir)
		
		for key in app_data.cores.keys():
			var core = app_data.cores[key]
			print("Core Name: ", core.name)
			print("Description: ", core.description)
			print("Properties:")
			for property: CoreProperty in core.properties:
				print("Cheevos: ", property.cheevos)
				print("Cheevos Hardcore: ", property.cheevos_hardcore)
				print("Quick Resume: ", property.quick_resume)
				print("Rewind: ", property.rewind)
				print("Borders: ", property.borders)
				print("Widescreen: ", property.widescreen)
				print("ABXY_button:", property.abxy_button)
	else:
		print ("No emulators")	

func run_function(button: Button) -> void:
	if button.button_pressed:
		enable_global(button)
		quick_resume_status = true
		class_functions._set_up_globals()
	else:
		disable_global(button)
		quick_resume_status = false
		class_functions._set_up_globals()

func enable_global(button: Button) -> void:
	var result: Array
	match button.name:
		"quick_resume_button", "retroarch_quick_resume_button":
			result = data_handler.change_cfg_value(class_functions.config_file_path, "retroarch", "quick_resume", "true")
			change_global(result)
	
func disable_global(button: Button) -> void:
	var result: Array
	match button.name:
		"quick_resume_button", "retroarch_quick_resume_button":
			result = data_handler.change_cfg_value(class_functions.config_file_path, "retroarch", "quick_resume", "false")
			change_global(result)
	
func change_global(parameters: Array) -> void:
	parameters.push_front("build_preset_config")
	class_functions.logger("d", "Running: %s" % var_to_str(parameters)) 
	var result: Dictionary
	result = await class_functions.run_thread_command(class_functions.wrapper_command, parameters, false)
	class_functions.logger("d", "Exit code: %s" % result["exit_code"])

func _set_up_globals() -> void:
	if class_functions.quick_resume_status:
		retoarch_qrg_button.button_pressed = true
		retoarch_qrs_button.button_pressed = true
	else:
		retoarch_qrg_button.button_pressed = false
		retoarch_qrs_button.button_pressed = false