extends Node3D
## Run CharacterWorkshop.tscn to combine parts, inspect motion, and save authored profiles.

const PRESETS: Array[String] = [
	"reference_cat",
	"fox_rambler",
	"rabbit_scholar",
	"badger_baker",
	"otter_courier",
	"lop_gardener"
]
const PROFILE_DIR := "res://assets/characters/profiles/"

var profile: CharacterAppearanceProfile
var actor: Node3D
var camera: Camera3D
var controls: VBoxContainer
var ui: CanvasLayer
var walk := false
var phase := 0.0
var turn := -0.32
var dragging := false
var status: Label


func _ready() -> void:
	_build_stage()
	_build_ui()
	_select_preset(0)


func _process(delta: float) -> void:
	actor.rotation.y = turn
	phase += delta * 5.0
	var swing := sin(phase) if walk else 0.0
	for side in ["Left", "Right"]:
		var direction := -1.0 if side == "Left" else 1.0
		actor.get_node("Leg" + side).rotation.x = swing * direction * 0.44
		actor.get_node("Arm" + side).rotation.x = (
			-swing * direction * 0.30 * float(actor.get_meta("arm_swing", 1.0))
		)
	var rest := AnimalAppearance.rest_heights(actor)
	var bob := absf(sin(phase * 2.0)) * 0.035 if walk else 0.0
	actor.get_node("Body").position.y = rest.x + bob
	actor.get_node("Head").position.y = rest.y + bob
	actor.get_node("Hair").position.y = rest.z + bob


func _unhandled_input(event: InputEvent) -> void:
	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT:
		dragging = event.pressed
	if event is InputEventMouseMotion and dragging:
		turn += event.relative.x * 0.008
	if event is InputEventMouseButton and event.pressed:
		if event.button_index == MOUSE_BUTTON_WHEEL_UP:
			camera.size = maxf(2.8, camera.size - 0.2)
		elif event.button_index == MOUSE_BUTTON_WHEEL_DOWN:
			camera.size = minf(6.0, camera.size + 0.2)


func _build_stage() -> void:
	var environment := WorldEnvironment.new()
	var env := Environment.new()
	environment.environment = env
	env.background_mode = Environment.BG_COLOR
	env.background_color = Color("e2e4d8")
	env.ambient_light_source = Environment.AMBIENT_SOURCE_COLOR
	env.ambient_light_color = Color("d0ddd8")
	env.ambient_light_energy = 0.38
	env.tonemap_mode = Environment.TONE_MAPPER_FILMIC
	# Calibrated for this preview stage to retain cream fabric highlights on GLES.
	if RenderingServer.get_current_rendering_method() == "gl_compatibility":
		env.tonemap_exposure = 0.25
	add_child(environment)
	var light := DirectionalLight3D.new()
	light.rotation_degrees = Vector3(-38, -32, 0)
	light.light_color = Color("fff6e8")
	light.light_energy = 1.1
	light.shadow_enabled = true
	add_child(light)
	var floor_mesh := MeshInstance3D.new()
	var plane := PlaneMesh.new()
	plane.size = Vector2(200, 200)
	var material := StandardMaterial3D.new()
	material.albedo_color = Color("d0d6c3")
	material.roughness = 1.0
	plane.material = material
	floor_mesh.mesh = plane
	add_child(floor_mesh)
	actor = load("res://player/PlayerVisual.tscn").instantiate()
	add_child(actor)
	actor.set_process(false)
	actor.get_node("Sword").hide()
	actor.position.x = 0.80
	camera = Camera3D.new()
	add_child(camera)
	camera.position = Vector3(0, 2.45, 7)
	camera.look_at(Vector3(0, 1.36, 0))
	camera.projection = Camera3D.PROJECTION_ORTHOGONAL
	camera.size = 3.9
	camera.current = true
	get_viewport().msaa_3d = Viewport.MSAA_4X


func _build_ui() -> void:
	ui = CanvasLayer.new()
	add_child(ui)
	var panel := PanelContainer.new()
	panel.set_anchors_and_offsets_preset(Control.PRESET_LEFT_WIDE)
	panel.offset_right = 320
	var theme := Theme.new()
	theme.default_font_size = 15
	theme.set_color("font_color", "Label", Color("37433a"))
	theme.set_color("font_color", "CheckButton", Color("37433a"))
	theme.set_color("font_pressed_color", "CheckButton", Color("37433a"))
	theme.set_color("font_hover_color", "CheckButton", Color("37433a"))
	theme.set_color("font_hover_pressed_color", "CheckButton", Color("37433a"))
	for type in ["Button", "OptionButton"]:
		for state in ["normal", "hover", "pressed", "focus"]:
			var button_style := StyleBoxFlat.new()
			button_style.bg_color = Color("d6dccd") if state == "hover" else Color("e2e4da")
			button_style.content_margin_left = 8
			button_style.content_margin_right = 12
			button_style.content_margin_top = 6
			button_style.content_margin_bottom = 6
			theme.set_stylebox(state, type, button_style)
		for state in ["font_color", "font_hover_color", "font_pressed_color", "font_focus_color"]:
			theme.set_color(state, type, Color("37433a"))
	panel.theme = theme
	var paper := StyleBoxFlat.new()
	paper.bg_color = Color("f2f0e7")
	paper.content_margin_left = 24
	paper.content_margin_right = 24
	paper.content_margin_top = 24
	paper.content_margin_bottom = 20
	panel.add_theme_stylebox_override("panel", paper)
	ui.add_child(panel)
	var scroll := ScrollContainer.new()
	scroll.horizontal_scroll_mode = ScrollContainer.SCROLL_MODE_DISABLED
	panel.add_child(scroll)
	controls = VBoxContainer.new()
	controls.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	controls.add_theme_constant_override("separation", 10)
	scroll.add_child(controls)


func _select_preset(index: int) -> void:
	profile = load(PROFILE_DIR + PRESETS[index] + ".tres").duplicate()
	_rebuild_controls(index)
	_apply()


func _rebuild_controls(selected: int) -> void:
	for child in controls.get_children():
		controls.remove_child(child)
		child.queue_free()
	_label("THE WARDROBE", 23)
	_label("Woodland travelers", 16)
	var presets := OptionButton.new()
	for preset in PRESETS:
		presets.add_item(preset.replace("_", " ").capitalize())
	presets.selected = selected
	presets.item_selected.connect(_select_preset)
	controls.add_child(presets)
	_select("Species", "species", ["Cat", "Fox", "Rabbit", "Badger", "Otter"])
	_slider("Body fullness", "body_fullness", 0.0, 1.0)
	_slider("Height", "height", 0.80, 1.15)
	_slider("Head size", "head_size", 0.88, 1.12)
	_slider("Leg length", "leg_length", 0.85, 1.15)
	_slider("Ear length", "ear_length", 0.65, 1.20)
	_select("Ears", "ears", ["Species default", "Cat", "Fox", "Rabbit", "Lop", "Badger", "Otter"])
	_select("Clothes", "outfit", ["Vest", "Long coat", "Work tunic"])
	_select("Arms", "arm_pose", ["Relaxed", "Holding pack straps"])
	_select("Bag", "bag", ["None", "Satchel", "Travel pack"])
	_select("Hat", "hat", ["None", "Beret", "Brimmed hat"])
	for field in ["scarf", "spectacles"]:
		var toggle := CheckButton.new()
		toggle.text = field.capitalize()
		toggle.button_pressed = profile.get(field)
		toggle.toggled.connect(func(value: bool) -> void: _change(field, value))
		controls.add_child(toggle)
	for field in ["fur_color", "outfit_color", "scarf_color", "trousers_color"]:
		var row := HBoxContainer.new()
		controls.add_child(row)
		var label := Label.new()
		label.text = field.trim_suffix("_color").capitalize()
		label.size_flags_horizontal = Control.SIZE_EXPAND_FILL
		row.add_child(label)
		var color := ColorPickerButton.new()
		color.custom_minimum_size = Vector2(72, 28)
		color.edit_alpha = false
		color.color = profile.get(field)
		color.color_changed.connect(func(value: Color) -> void: _change(field, value))
		row.add_child(color)
	var motion := CheckButton.new()
	motion.text = "Walk preview"
	motion.button_pressed = walk
	motion.toggled.connect(func(value: bool) -> void: walk = value)
	controls.add_child(motion)
	var save := Button.new()
	save.text = "Save profile…"
	save.pressed.connect(_save_profile)
	controls.add_child(save)
	status = _label("Drag to turn · scroll to zoom", 13)


func _label(text: String, size: int) -> Label:
	var label := Label.new()
	label.text = text
	label.add_theme_font_size_override("font_size", size)
	controls.add_child(label)
	return label


func _select(title: String, field: String, options: Array) -> void:
	var row := HBoxContainer.new()
	controls.add_child(row)
	var label := Label.new()
	label.text = title
	label.size_flags_horizontal = Control.SIZE_EXPAND_FILL
	row.add_child(label)
	var select := OptionButton.new()
	for option: String in options:
		select.add_item(option)
	select.selected = profile.get(field)
	select.item_selected.connect(func(value: int) -> void: _change(field, value))
	row.add_child(select)


func _slider(title: String, field: String, minimum: float, maximum: float) -> void:
	var label := _label(title + "  %.2f" % float(profile.get(field)), 14)
	var slider := HSlider.new()
	slider.min_value = minimum
	slider.max_value = maximum
	slider.step = 0.01
	slider.value = profile.get(field)
	slider.value_changed.connect(
		func(value: float) -> void:
			label.text = title + "  %.2f" % value
			_change(field, value)
	)
	controls.add_child(slider)


func _change(field: String, value: Variant) -> void:
	profile.set(field, value)
	_apply()


func _apply() -> void:
	AnimalAppearance.apply_to(actor, 0, false, profile)


func _save_profile() -> void:
	var dialog := FileDialog.new()
	dialog.file_mode = FileDialog.FILE_MODE_SAVE_FILE
	dialog.access = FileDialog.ACCESS_FILESYSTEM
	dialog.filters = PackedStringArray(["*.tres ; Character appearance"])
	dialog.current_dir = ProjectSettings.globalize_path(PROFILE_DIR)
	dialog.current_file = "custom_traveler.tres"
	dialog.file_selected.connect(
		func(path: String) -> void:
			var error := ResourceSaver.save(profile, path)
			status.text = "Profile saved." if error == OK else "Could not save profile."
			dialog.queue_free()
	)
	dialog.canceled.connect(dialog.queue_free)
	ui.add_child(dialog)
	dialog.popup_centered(Vector2i(720, 500))