@tool
class_name SkyDebugPanel
extends Control

@export var dynamic_sky: DynamicSkyRoot

var _panel: PanelContainer
var _vbox: VBoxContainer
var _time_label: Label
var _period_label: Label
var _preset_label: Label
var _weather_label: Label
var _sun_label: Label
var _moon_label: Label
var _ambient_label: Label
var _cloud_label: Label
var _fog_label: Label
var _rain_label: Label
var _seed_label: Label
var _time_slider: HSlider
var _weather_dropdown: OptionButton
var _pause_button: Button


func _ready() -> void:
	_create_ui()
	_connect_signals()


func _process(_delta: float) -> void:
	if dynamic_sky == null:
		return
	_update_labels()


func _create_ui() -> void:
	_panel = PanelContainer.new()
	_panel.name = "DebugPanel"
	_panel.custom_minimum_size = Vector2(300, 200)
	add_child(_panel)
	
	var margin := MarginContainer.new()
	margin.add_theme_constant_override("margin_left", 10)
	margin.add_theme_constant_override("margin_right", 10)
	margin.add_theme_constant_override("margin_top", 10)
	margin.add_theme_constant_override("margin_bottom", 10)
	_panel.add_child(margin)
	
	_vbox = VBoxContainer.new()
	_vbox.add_theme_constant_override("separation", 8)
	margin.add_child(_vbox)
	
	var title := Label.new()
	title.text = "Dynamic Sky Debug"
	title.add_theme_font_size_override("font_size", 18)
	_vbox.add_child(title)
	
	_vbox.add_child(HSeparator.new())
	
	_preset_label = Label.new()
	_preset_label.text = "Preset: —"
	_vbox.add_child(_preset_label)
	
	_time_label = Label.new()
	_time_label.text = "Time: 00:00 (0.00)"
	_vbox.add_child(_time_label)
	
	_period_label = Label.new()
	_period_label.text = "Period: —"
	_vbox.add_child(_period_label)
	
	var time_hbox := HBoxContainer.new()
	_vbox.add_child(time_hbox)
	
	var time_label := Label.new()
	time_label.text = "Time:"
	time_label.custom_minimum_size.x = 60
	time_hbox.add_child(time_label)
	
	_time_slider = HSlider.new()
	_time_slider.min_value = 0.0
	_time_slider.max_value = 1.0
	_time_slider.step = 0.001
	_time_slider.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	time_hbox.add_child(_time_slider)
	
	_pause_button = Button.new()
	_pause_button.text = "Pause"
	_pause_button.toggle_mode = true
	_vbox.add_child(_pause_button)
	
	_vbox.add_child(HSeparator.new())
	
	_sun_label = Label.new()
	_sun_label.text = "Sun: —"
	_vbox.add_child(_sun_label)
	
	_moon_label = Label.new()
	_moon_label.text = "Moon: —"
	_vbox.add_child(_moon_label)
	
	_ambient_label = Label.new()
	_ambient_label.text = "Ambient: —"
	_vbox.add_child(_ambient_label)
	
	_vbox.add_child(HSeparator.new())
	
	_weather_label = Label.new()
	_weather_label.text = "Weather: Clear"
	_vbox.add_child(_weather_label)
	
	var weather_hbox := HBoxContainer.new()
	_vbox.add_child(weather_hbox)
	
	var weather_label := Label.new()
	weather_label.text = "Set:"
	weather_label.custom_minimum_size.x = 60
	weather_hbox.add_child(weather_label)
	
	_weather_dropdown = OptionButton.new()
	_weather_dropdown.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	for state_name in WeatherProfile.WeatherState.keys():
		_weather_dropdown.add_item(state_name)
	weather_hbox.add_child(_weather_dropdown)
	
	_vbox.add_child(HSeparator.new())
	
	_cloud_label = Label.new()
	_cloud_label.text = "Clouds: 0%"
	_vbox.add_child(_cloud_label)
	
	_fog_label = Label.new()
	_fog_label.text = "Fog: —"
	_vbox.add_child(_fog_label)
	
	_rain_label = Label.new()
	_rain_label.text = "Rain: 0% | Snow: 0%"
	_vbox.add_child(_rain_label)
	
	_seed_label = Label.new()
	_seed_label.text = "Seed: 0 | Day: 1"
	_vbox.add_child(_seed_label)
	
	var meteor_button := Button.new()
	meteor_button.text = "Trigger Meteor Shower"
	meteor_button.pressed.connect(_on_meteor_pressed)
	_vbox.add_child(meteor_button)


func _connect_signals() -> void:
	_time_slider.value_changed.connect(_on_time_slider_changed)
	_pause_button.toggled.connect(_on_pause_toggled)
	_weather_dropdown.item_selected.connect(_on_weather_selected)


func _update_labels() -> void:
	if dynamic_sky == null:
		return
	
	_preset_label.text = "Preset: %s" % dynamic_sky.preset_name if dynamic_sky.preset_name != "" else "Preset: (none)"
	
	var time := dynamic_sky.get_time_of_day()
	var hours := int(time * 24.0)
	var minutes := int(fmod(time * 24.0 * 60.0, 60.0))
	_time_label.text = "Time: %02d:%02d (%.3f)" % [hours, minutes, time]
	
	if not _time_slider.has_focus():
		_time_slider.set_value_no_signal(time)
	
	if dynamic_sky.day_night_controller:
		_period_label.text = "Period: %s" % dynamic_sky.day_night_controller.get_time_period().to_upper()
		_pause_button.set_pressed_no_signal(dynamic_sky.day_night_controller.paused)
	
	if dynamic_sky.sun_light:
		_sun_label.text = "Sun: %.2f  %s" % [
			dynamic_sky.sun_light.light_energy,
			"visible" if dynamic_sky.sun_light.visible else "hidden"
		]
	
	if dynamic_sky.moon_light:
		_moon_label.text = "Moon: %.2f  %s" % [
			dynamic_sky.moon_light.light_energy,
			"visible" if dynamic_sky.moon_light.visible else "hidden"
		]
	
	if dynamic_sky.world_environment and dynamic_sky.world_environment.environment:
		var env := dynamic_sky.world_environment.environment
		_ambient_label.text = "Ambient: %.2f" % env.ambient_light_energy
		_fog_label.text = "Fog: %s  density=%.4f" % [
			"ON" if env.fog_enabled else "OFF",
			env.fog_density
		]
	
	var weather := dynamic_sky.get_current_weather()
	var weather_name: String = WeatherProfile.WeatherState.keys()[weather]
	_weather_label.text = "Weather: %s" % weather_name
	
	if dynamic_sky.weather_controller:
		var coverage := dynamic_sky.weather_controller.get_cloud_coverage()
		_cloud_label.text = "Clouds: %d%%" % int(coverage * 100)
		
		if dynamic_sky.weather_controller.is_transitioning():
			var progress := dynamic_sky.weather_controller.get_transition_progress()
			_weather_label.text += " (transitioning %.0f%%)" % (progress * 100)
	
	if dynamic_sky.weather_controller:
		var rain := dynamic_sky.weather_controller.get_rain_intensity()
		var snow := dynamic_sky.weather_controller.get_snow_intensity()
		_rain_label.text = "Rain: %d%% | Snow: %d%%" % [int(rain * 100), int(snow * 100)]
	
	var day_num := 1
	if dynamic_sky.day_night_controller:
		day_num = dynamic_sky.day_night_controller.current_day
	_seed_label.text = "Seed: %d | Day: %d" % [dynamic_sky.deterministic_seed, day_num]


func _on_time_slider_changed(value: float) -> void:
	if dynamic_sky:
		dynamic_sky.set_time_of_day(value)


func _on_pause_toggled(pressed: bool) -> void:
	if dynamic_sky:
		if pressed:
			dynamic_sky.pause_time()
		else:
			dynamic_sky.resume_time()
	_pause_button.text = "Resume" if pressed else "Pause"


func _on_weather_selected(index: int) -> void:
	if dynamic_sky:
		var state: WeatherProfile.WeatherState = index as WeatherProfile.WeatherState
		dynamic_sky.set_weather(state)


func _on_meteor_pressed() -> void:
	if dynamic_sky:
		dynamic_sky.trigger_meteor_shower(30.0)