var Gut = load("res://addons/gut/gut.gd")

# Do not want a ref to _utils here due to use by editor plugin.
# _utils needs to be split so that constants and what not do not
# have to rely on the weird singleton thing I made.
enum DOUBLE_STRATEGY { FULL, PARTIAL }

var valid_fonts = ["AnonymousPro", "CourierPro", "LobsterTwo", "Default"]
var default_options = {
	background_color = Color(.15, .15, .15, 1).to_html(),
	config_file = "res://.gutconfig.json",
	dirs = [],
	disable_colors = false,
	double_strategy = "partial",
	font_color = Color(.8, .8, .8, 1).to_html(),
	font_name = "CourierPrime",
	font_size = 16,
	hide_orphans = false,
	ignore_pause = false,
	include_subdirs = false,
	inner_class = "",
	junit_xml_file = "",
	junit_xml_timestamp = false,
	log_level = 1,
	opacity = 100,
	paint_after = .1,
	post_run_script = "",
	pre_run_script = "",
	prefix = "test_",
	selected = "",
	should_exit = false,
	should_exit_on_success = false,
	should_maximize = false,
	compact_mode = false,
	show_help = false,
	suffix = ".gd",
	tests = [],
	unit_test_name = "",
	gut_on_top = true,
}

var default_panel_options = {
	font_name = "CourierPrime",
	font_size = 30,
	hide_result_tree = false,
	hide_output_text = false,
	hide_settings = false,
	use_colors = true
}

var options = default_options.duplicate()
var json = JSON.new()


func _null_copy(h):
	var new_hash = {}
	for key in h:
		new_hash[key] = null
	return new_hash


func _load_options_from_config_file(file_path, into):
	# SHORTCIRCUIT

	if !FileAccess.file_exists(file_path):
		if file_path != "res://.gutconfig.json":
			print('ERROR:  Config File "', file_path, '" does not exist.')
			return -1
		else:
			return 1

	var f = FileAccess.open(file_path, FileAccess.READ)
	if f == null:
		var result = FileAccess.get_open_error()
		push_error(str("Could not load data ", file_path, " ", result))
		return result

	var json = f.get_as_text()
	f = null  # close file

	var test_json_conv = JSON.new()
	test_json_conv.parse(json)
	var results = test_json_conv.get_data()
	# SHORTCIRCUIT
	if results == null:
		print("\n\n", "!! ERROR parsing file:  ", file_path)
		print("    at line ", results.error_line, ":")
		print("    ", results.error_string)
		return -1

	# Get all the options out of the config file using the option name.  The
	# options hash is now the default source of truth for the name of an option.
	_load_dict_into(results, into)

	return 1


func _load_dict_into(source, dest):
	for key in dest:
		if source.has(key):
			if source[key] != null:
				if typeof(source[key]) == TYPE_DICTIONARY:
					_load_dict_into(source[key], dest[key])
				else:
					dest[key] = source[key]


func write_options(path):
	var content = json.stringify(options, " ")

	var f = FileAccess.open(path, FileAccess.WRITE)
	var result = FileAccess.get_open_error()
	if f != null:
		f.store_string(content)
		f.close()
	else:
		print("ERROR:  could not open file ", path, " ", result)
	return result


# Apply all the options specified to _tester.  This is where the rubber meets
# the road.
func _apply_options(opts, _tester):
	_tester.include_subdirectories = opts.include_subdirs

	if opts.inner_class != "":
		_tester.inner_class_name = opts.inner_class
	_tester.log_level = opts.log_level
	_tester.ignore_pause_before_teardown = opts.ignore_pause

	if opts.selected != "":
		_tester.select_script(opts.selected)

	for i in range(opts.dirs.size()):
		_tester.add_directory(opts.dirs[i], opts.prefix, opts.suffix)

	for i in range(opts.tests.size()):
		_tester.add_script(opts.tests[i])

	if opts.double_strategy == "include super":
		_tester.double_strategy = DOUBLE_STRATEGY.FULL
	elif opts.double_strategy == "script only":
		_tester.double_strategy = DOUBLE_STRATEGY.PARTIAL

	_tester.unit_test_name = opts.unit_test_name
	_tester.pre_run_script = opts.pre_run_script
	_tester.post_run_script = opts.post_run_script
	_tester.color_output = !opts.disable_colors
	_tester.show_orphans(!opts.hide_orphans)
	_tester.junit_xml_file = opts.junit_xml_file
	_tester.junit_xml_timestamp = opts.junit_xml_timestamp
	_tester.paint_after = str(opts.paint_after).to_float()

	return _tester


func config_gut(gut):
	return _apply_options(options, gut)


func load_options(path):
	return _load_options_from_config_file(path, options)


func load_panel_options(path):
	options["panel_options"] = default_panel_options.duplicate()
	return _load_options_from_config_file(path, options)


func load_options_no_defaults(path):
	options = _null_copy(default_options)
	return _load_options_from_config_file(path, options)


func apply_options(gut):
	_apply_options(options, gut)