# p2b_test —— P2 续：地面掉落物 + PlayerView（真模型）headless 自检。
#   godot --headless --path project --script p2b_test.gd
extends SceneTree

const GroundItems = preload("res://ui/ground_items.gd")
const PlayerView = preload("res://ui/player_view.gd")

class FakeClient extends Node:
	signal ground_item_added(item: Dictionary)
	signal ground_item_removed(vid: int)
	var ground := {}
	var picked := []
	func get_ground_items() -> Array: return ground.values()
	func pickup_item(vid) -> bool: picked.append(vid); return true
	func add_ground(vid, vnum, pos):
		ground[vid] = {"vid": vid, "vnum": vnum, "pos": pos}
		ground_item_added.emit(ground[vid])
	func del_ground(vid):
		ground.erase(vid); ground_item_removed.emit(vid)

class FakeProto extends Node:
	func item(vnum: int) -> Dictionary:
		return {"vnum": vnum, "name": "N%d" % vnum, "locale_name": "掉落%d" % vnum}

var _fail := 0
func _ck(c: bool, m: String) -> void:
	if not c:
		_fail += 1
		printerr("FAIL: " + m)

func _init() -> void:
	_run()
	if _fail == 0:
		print("PASS: p2b_test (ground items + player view)")
		quit(0)
	else:
		printerr("%d check(s) failed" % _fail)
		quit(1)

func _run() -> void:
	# --- ground items ---
	var mount := Node3D.new()
	var fc := FakeClient.new()
	var fp := FakeProto.new()
	var pl := Node3D.new()
	get_root().add_child(mount)
	get_root().add_child(fc)
	get_root().add_child(fp)
	get_root().add_child(pl)
	pl.position = Vector3.ZERO

	var gi: Node = GroundItems.new()
	get_root().add_child(gi)
	gi.setup(fc, mount, func() -> Node: return pl, fp, null)

	fc.add_ground(101, 27, Vector3(1, 0, 1))       # 距玩家 ~1.4m（范围内）
	fc.add_ground(102, 28, Vector3(20, 0, 0))      # 远
	await process_frame
	_ck(mount.get_child_count() == 2, "2 drop nodes spawned")
	_ck(mount.get_node_or_null("drop_101") != null, "drop_101 present")
	var tag := mount.get_node("drop_101").get_node("tag") as Label3D
	_ck(tag.text == "掉落27", "drop name from proto")

	# 拾取最近的（101 在范围，102 不在）
	var got: int = gi.try_pickup()
	_ck(got == 101, "try_pickup -> nearest 101, got %d" % got)
	_ck(fc.picked == [101], "client.pickup_item(101) called")

	fc.del_ground(101)
	await process_frame
	_ck(mount.get_node_or_null("drop_101") == null, "drop_101 freed on removed")
	_ck(mount.get_child_count() == 1, "1 drop left")

	# 远处的捡不到
	_ck(gi.try_pickup() == 0, "far item not picked")

	# --- player view（有真资产才建）---
	var assets := AssetRoot.path()
	if not DirAccess.dir_exists_absolute(assets.path_join("PC/ymir work/pc/warrior")):
		print("  (skip PlayerView: no PC assets)")
		return
	if not ClassDB.class_exists("Metin2Model"):
		print("  (skip PlayerView: extension not built)")
		return
	var pv: Node3D = PlayerView.new()
	get_root().add_child(pv)
	var ok: bool = pv.build(assets, 0)   # race 0 = warrior male
	_ck(ok, "PlayerView.build(race 0) ok")
	_ck(pv.model != null, "PlayerView has Metin2Model")
	_ck(pv.motion_dir.ends_with("warrior/general"), "motion_dir -> warrior/general (%s)" % pv.motion_dir)
	# 转发 set
	pv.set("weapon_gr2", "/tmp/fake_weapon.gr2")
	_ck(String(pv.model.get("weapon_gr2")) == "/tmp/fake_weapon.gr2", "PlayerView forwards weapon_gr2 to model")
	pv.set_anim_state("run")
	await process_frame
	if pv.anim:
		_ck(String(pv.anim.get("anim_path")).ends_with("run.msa"), "set_anim_state('run') -> run.msa")