class_name ABGUIIcon
extends Control

const Tokens = preload("res://foundation/ui_tokens.gd")

## Small owned vector icon used by shared command surfaces. It intentionally
## stays presentation-only so page Views can replace Unicode glyphs without
## depending on gameplay, Save or EntryShell state.

var icon_kind := "generic"
var icon_tone := "dark"
var disabled := false
var hot := false


func configure(next_kind: String, next_tone := "dark") -> ABGUIIcon:
	icon_kind = next_kind.to_lower() if Tokens.icon_kind_supported(next_kind) else "generic"
	icon_tone = next_tone
	queue_redraw()
	return self


func set_state(next_disabled := false, next_hot := false) -> void:
	disabled = next_disabled
	hot = next_hot
	queue_redraw()


func _ready() -> void:
	mouse_filter = Control.MOUSE_FILTER_IGNORE
	set_process(true)
	queue_redraw()


func _process(_delta: float) -> void:
	var parent_button := get_parent() as BaseButton
	if parent_button != null:
		var next_disabled := parent_button.disabled
		var next_hot := not next_disabled and (parent_button.is_hovered() or parent_button.has_focus())
		if next_disabled != disabled or next_hot != hot:
			set_state(next_disabled, next_hot)


func _draw() -> void:
	if size.x <= 1.0 or size.y <= 1.0:
		return
	var center := size * 0.5
	var radius := minf(size.x, size.y) * 0.31
	var scale := maxf(0.65, minf(size.x, size.y) / 24.0)
	var color := Tokens.icon_color(disabled, hot, icon_tone != "light")
	var width := maxf(1.2, 1.8 * scale)
	match icon_kind:
		"back":
			draw_polyline(PackedVector2Array([
				center + Vector2(5.5, -6.5) * scale,
				center + Vector2(-3.5, 0.0) * scale,
				center + Vector2(5.5, 6.5) * scale,
			]), color, width, true)
			draw_line(center + Vector2(-3.0, 0.0) * scale, center + Vector2(8.0, 0.0) * scale, color, width, true)
		"confirm":
			draw_polyline(PackedVector2Array([
				center + Vector2(-7.0, 0.0) * scale,
				center + Vector2(-2.0, 5.0) * scale,
				center + Vector2(8.0, -6.0) * scale,
			]), color, width, true)
		"settings":
			draw_arc(center, radius * 0.62, 0.0, TAU, 20, color, width, true)
			draw_circle(center, radius * 0.18, color)
			for angle in range(0, 360, 45):
				var direction := Vector2.RIGHT.rotated(deg_to_rad(float(angle)))
				draw_line(center + direction * radius * 0.72, center + direction * radius * 1.06, color, width, true)
		"inspect":
			draw_circle(center + Vector2(-2.5, -2.5) * scale, radius * 0.58, Color(color, 0.08))
			draw_arc(center + Vector2(-2.5, -2.5) * scale, radius * 0.58, 0.0, TAU, 20, color, width, true)
			draw_line(center + Vector2(2.0, 2.0) * scale, center + Vector2(8.0, 8.0) * scale, color, width, true)
		"company":
			_draw_people(center, radius, color, width)
		"coin":
			var gem := PackedVector2Array([
				center + Vector2(0.0, -radius * 1.15),
				center + Vector2(radius * 0.82, -radius * 0.22),
				center + Vector2(radius * 0.56, radius * 0.96),
				center + Vector2(-radius * 0.56, radius * 0.96),
				center + Vector2(-radius * 0.82, -radius * 0.22),
			])
			draw_colored_polygon(gem, Color(color, 0.24))
			draw_polyline(gem, color, width, true)
			draw_line(center + Vector2(0.0, -radius * 0.92), center + Vector2(0.0, radius * 0.82), color, width * 0.72, true)
		"equipment":
			var shield := PackedVector2Array([
				center + Vector2(-radius * 0.86, -radius * 0.72),
				center + Vector2(radius * 0.86, -radius * 0.72),
				center + Vector2(radius * 0.70, radius * 0.26),
				center + Vector2(0.0, radius * 1.02),
				center + Vector2(-radius * 0.70, radius * 0.26),
			])
			draw_colored_polygon(shield, Color(color, 0.16))
			draw_polyline(shield, color, width, true)
			draw_line(center + Vector2(0.0, -radius * 0.60), center + Vector2(0.0, radius * 0.72), color, width * 0.72, true)
		"party":
			draw_line(center + Vector2(-radius * 0.72, -radius), center + Vector2(-radius * 0.72, radius), color, width, true)
			draw_colored_polygon(PackedVector2Array([
				center + Vector2(-radius * 0.56, -radius * 0.82),
				center + Vector2(radius * 0.92, -radius * 0.50),
				center + Vector2(radius * 0.30, radius * 0.16),
				center + Vector2(-radius * 0.56, -radius * 0.10),
			]), Color(color, 0.90))
		"risk":
			var flame := PackedVector2Array([
				center + Vector2(0.0, -radius * 1.12),
				center + Vector2(radius * 0.70, -radius * 0.10),
				center + Vector2(radius * 0.54, radius * 0.70),
				center + Vector2(0.0, radius * 1.04),
				center + Vector2(-radius * 0.64, radius * 0.62),
				center + Vector2(-radius * 0.50, -radius * 0.16),
				center + Vector2(-radius * 0.08, radius * 0.20),
				center + Vector2(0.0, -radius * 1.12),
			])
			draw_polyline(flame, color, width, true)
		"pause":
			draw_line(center + Vector2(-4.0, -7.0) * scale, center + Vector2(-4.0, 7.0) * scale, color, width, true)
			draw_line(center + Vector2(4.0, -7.0) * scale, center + Vector2(4.0, 7.0) * scale, color, width, true)
		"speed":
			draw_line(center + Vector2(-8.0, 4.0) * scale, center + Vector2(0.0, -4.0) * scale, color, width, true)
			draw_line(center + Vector2(0.0, -4.0) * scale, center + Vector2(8.0, 4.0) * scale, color, width, true)
			draw_line(center + Vector2(-8.0, 8.0) * scale, center + Vector2(0.0, 0.0) * scale, Color(color, 0.64), width * 0.8, true)
		"retry":
			draw_arc(center, radius * 0.75, -PI * 0.18, PI * 1.45, 18, color, width, true)
			draw_polyline(PackedVector2Array([
				center + Vector2(-8.0, -4.0) * scale,
				center + Vector2(-8.0, 3.0) * scale,
				center + Vector2(-2.0, 2.0) * scale,
			]), color, width, true)
		"close":
			draw_line(center + Vector2(-6.0, -6.0) * scale, center + Vector2(6.0, 6.0) * scale, color, width, true)
			draw_line(center + Vector2(6.0, -6.0) * scale, center + Vector2(-6.0, 6.0) * scale, color, width, true)
		"help":
			draw_arc(center, radius * 0.92, 0.0, TAU, 24, color, width, true)
			draw_circle(center + Vector2(0.0, 6.0) * scale, width * 0.60, color)
			draw_arc(center + Vector2(0.0, -2.0) * scale, radius * 0.30, PI, TAU, 12, color, width, true)
		"generic":
			draw_arc(center, radius * 0.88, 0.0, TAU, 24, color, width, true)


func _draw_people(center: Vector2, radius: float, color: Color, width: float) -> void:
	for offset in [-0.48, 0.0, 0.48]:
		var head := center + Vector2(radius * offset, -radius * (0.26 if offset == 0.0 else 0.16))
		var head_radius := radius * (0.23 if offset == 0.0 else 0.18)
		draw_arc(head, head_radius, 0.0, TAU, 14, color, width, true)
		var shoulder := Vector2(head.x, center.y + radius * (0.28 if offset == 0.0 else 0.34))
		draw_arc(shoulder, radius * (0.36 if offset == 0.0 else 0.28), PI, TAU, 12, color, width, true)