extends MenuButton

const LOGS_FILE_PATH: String = "user://logs/godot.log"
const menu_items: Array = [
	{ label = "Toggle Theme",		action = "toggle_theme_action" },
	{ label = "Import Option Sets",	action = "import_option_sets_action" },
	{ label = "Export Option Sets",	action = "export_option_sets_action" },
	{ label = "Clear Option Sets",	action = "clear_option_sets_action" },
	{ label = "Import Database",	action = "import_database_action" },
	{ label = "Export Database",	action = "export_database_action" },
	{ label = "Clear Database",		action = "clear_database_action" },
	{ label = "Export App Log",		action = "export_app_log_action" },
	{ label = "About",				action = "about_action" },
]

onready var main					:= get_node("/root/main") as Control
onready var menu					:= get_popup() as PopupMenu
onready var popup					:= get_node("/root/main/popup") as ModalPopup
onready var dialog					:= get_node("/root/main/dialog") as Dialog
onready var file_picker				:= get_node("/root/main/file_picker") as FileDialog
onready var database				:= get_node("/root/main/database") as Database
onready var stage					:= get_node("/root/main/stage") as Stage


func _ready():
	for idx in range(menu_items.size()):
		menu.add_item(menu_items[idx].label, idx)
	menu.connect("id_pressed", self, "id_pressed")


func id_pressed(id: int):
	self.call_deferred(menu_items[id].action)


func toggle_theme_action():
	main.toggle_theme()


func import_option_sets_action():
	dialog.setup("All option sets from the dropdown menus will be replaced.", "Continue", "No")
	dialog.connect("accepted", self, "import_option_sets_action_accepted")
	popup.open_popup("Replace option sets?", dialog)


func import_option_sets_action_accepted():
	file_picker.mode = FileDialog.MODE_OPEN_FILE
	file_picker.current_dir = OS.get_system_dir(OS.SYSTEM_DIR_DOWNLOADS)
	file_picker.filters = ["*.json", "*.csv"]
	file_picker.current_file = ""
	file_picker.connect("file_selected", self, "import_option_sets")
	file_picker.show_modal(true)
	file_picker.invalidate()


func import_option_sets(file_path: String):
	stage.load_option_sets(file_path)
	stage.save_option_sets()


func export_option_sets_action():
	file_picker.mode = FileDialog.MODE_SAVE_FILE
	file_picker.current_dir = OS.get_system_dir(OS.SYSTEM_DIR_DOWNLOADS)
	file_picker.filters = ["*.json"]
	file_picker.current_file = ""
	file_picker.connect("file_selected", stage, "save_option_sets")
	file_picker.show_modal(true)
	file_picker.invalidate()


func clear_option_sets_action():
	dialog.setup("All option sets from the dropdown menus will be deleted.", "Delete all", "No")
	dialog.connect("accepted", self, "clear_option_sets")
	popup.open_popup("Clear option sets?", dialog)


func clear_option_sets():
	stage.clear_option_sets()
	stage.save_option_sets()


func import_database_action():
	dialog.setup("All entries from the database will be replaced.", "Continue", "No")
	dialog.connect("accepted", self, "import_database_action_accepted")
	popup.open_popup("Replace database?", dialog)


func import_database_action_accepted():
	file_picker.mode = FileDialog.MODE_OPEN_FILE
	file_picker.current_dir = OS.get_system_dir(OS.SYSTEM_DIR_DOWNLOADS)
	file_picker.filters = ["*.json", "*.csv"]
	file_picker.current_file = ""
	file_picker.connect("file_selected", self, "import_database")
	file_picker.show_modal(true)
	file_picker.invalidate()


func import_database(file_path: String):
	database.load_database(file_path)
	database.save_database()


func export_database_action():
	file_picker.mode = FileDialog.MODE_SAVE_FILE
	file_picker.current_dir = OS.get_system_dir(OS.SYSTEM_DIR_DOWNLOADS)
	file_picker.filters = ["*.csv"]
	file_picker.current_file = ""
	file_picker.connect("file_selected", database, "save_database")
	file_picker.show_modal(true)
	file_picker.invalidate()


func clear_database_action():
	dialog.setup("All entries from the database will be deleted.", "Delete all", "No")
	dialog.connect("accepted", self, "clear_database")
	popup.open_popup("Clear database?", dialog)


func clear_database():
	database.clear_database()
	database.save_database()


func export_app_log_action():
	file_picker.mode = FileDialog.MODE_SAVE_FILE
	file_picker.current_dir = OS.get_system_dir(OS.SYSTEM_DIR_DOWNLOADS)
	file_picker.filters = ["*.txt"]
	file_picker.current_file = ("log" )
	file_picker.connect("file_selected", self, "export_app_log")
	file_picker.show_modal(true)
	file_picker.invalidate()


func export_app_log(file_path: String):
	var error	: int
	var file	:= File.new()
	
	error = file.open(LOGS_FILE_PATH, File.READ)
	if error != OK:
		printerr("Failed to open log file '%s' (error %d)." % [LOGS_FILE_PATH, error])
		return
	var file_content = file.get_as_text()
	file.close()
	
	error = file.open(file_path, File.WRITE)
	if error != OK:
		printerr("Failed to open file '%s' to write log (error %d)." % [file_path, error])
		return
	file.store_string(file_content)
	file.close()


func about_action():
	dialog.setup("Surgery Log\nversion %s" % ProjectSettings.get_setting("global/version"), "", "")
	popup.open_popup("About", dialog)