@tool
extends EditorScript

func _run() -> void:
	var root = EditorInterface.get_edited_scene_root()
	if not root:
		push_error("EditorScript: No active scene open.")
		return

	var anim_player = root.get_node_or_null("AnimationPlayer") as AnimationPlayer
	if not anim_player:
		push_error("EditorScript: AnimationPlayer node not found under root.")
		return

	_generate_walk_animation(anim_player, "walk_right", 1, false) # FacingProfile.RIGHT (1)
	_generate_walk_animation(anim_player, "walk_left", 0, true)   # FacingProfile.LEFT (0)


func _generate_walk_animation(anim_player: AnimationPlayer, anim_name: String, profile_enum: int, flip_x: bool) -> void:
	var anim = Animation.new()
	anim.length = 0.8
	anim.loop_mode = Animation.LOOP_LINEAR
	var dir_mult: float = -1.0 if flip_x else 1.0

	# 1. Profile Track (0 = LEFT, 1 = RIGHT)
	var profile_track = anim.add_track(Animation.TYPE_VALUE)
	anim.track_set_path(profile_track, ".:facing_profile")
	anim.value_track_set_update_mode(profile_track, Animation.UPDATE_DISCRETE)
	anim.track_insert_key(profile_track, 0.0, profile_enum)

	# 2. Keyframe positions
	var raw_tracks = {
		"IK_Targets/Torso:position": [Vector2(0, 10), Vector2(0, -15), Vector2(0, 10), Vector2(0, -15), Vector2(0, 10)],
		"IK_Targets/Head:position": [Vector2(100, -614), Vector2(100, -639), Vector2(100, -614), Vector2(100, -639), Vector2(100, -614)],
		"IK_Targets/Right_Leg:position": [Vector2(110, 390), Vector2(0, 397), Vector2(-110, 380), Vector2(-20, 320), Vector2(110, 390)],
		"IK_Targets/Left_Leg:position": [Vector2(-110, 380), Vector2(-20, 320), Vector2(110, 390), Vector2(0, 397), Vector2(-110, 380)],
		"IK_Targets/Right_Hand:position": [Vector2(-90, 110), Vector2(0, 115), Vector2(90, 110), Vector2(0, 115), Vector2(-90, 110)],
		"IK_Targets/Left_Hand:position": [Vector2(90, 110), Vector2(0, 115), Vector2(-90, 110), Vector2(0, 115), Vector2(90, 110)]
	}

	var times = [0.0, 0.2, 0.4, 0.6, 0.8]

	for path in raw_tracks:
		var track_idx = anim.add_track(Animation.TYPE_VALUE)
		anim.track_set_path(track_idx, path)
		anim.track_set_interpolation_type(track_idx, Animation.INTERPOLATION_CUBIC)
		
		for i in range(times.size()):
			var orig_pos: Vector2 = raw_tracks[path][i]
			var mirrored_pos = Vector2(orig_pos.x * dir_mult, orig_pos.y)
			anim.track_insert_key(track_idx, times[i], mirrored_pos)

	# 3. Attach animation to AnimationPlayer library
	var lib = anim_player.get_animation_library("")
	if not lib:
		lib = AnimationLibrary.new()
		anim_player.add_animation_library("", lib)

	if lib.has_animation(anim_name):
		lib.remove_animation(anim_name)

	lib.add_animation(anim_name, anim)
	print("Successfully generated '%s' animation!" % anim_name)