# 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")
const TextTailArrange = preload("res://text_tail_arrange.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, owner := "", item_color: Variant = null):
		ground[vid] = {"vid": vid, "vnum": vnum, "pos": pos, "owner": owner}
		if item_color != null:
			ground[vid]["item_color"] = item_color
		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")

	# --- §8.8 seam ⑩：多条名条投影后去重叠（ArrangeTextTail item 块）---------------
	# 独立的 mount / FakeClient，避免与上面的 gi 抢同名 drop 节点。
	var mount2 := Node3D.new()
	var fc2 := FakeClient.new()
	get_root().add_child(mount2)
	get_root().add_child(fc2)
	var cam := Camera3D.new()
	get_root().add_child(cam)
	cam.position = Vector3(0, 3, 6)
	cam.look_at(Vector3.ZERO, Vector3.UP)
	cam.current = true
	var gi2: Node = GroundItems.new()
	get_root().add_child(gi2)
	gi2.setup(fc2, mount2, func() -> Node: return pl, fp, null, func() -> Camera3D: return cam)
	# 单条：名条留默认局部 y。
	fc2.add_ground(201, 27, Vector3(0, 0, 0))
	await process_frame
	gi2._process(0.0)
	var t201 := mount2.get_node("drop_201").get_node("tag") as Label3D
	_ck(absf(t201.position.y - gi2.TAG_BASE_Y) < 0.0001, "单条名条 -> 留默认局部 y 0.75")
	# 同位两条：靠前的（vid 小，m_ItemTextTailList 先）被顶下去，靠后的留原位。
	fc2.add_ground(202, 28, Vector3(0, 0, 0))
	await process_frame
	gi2._process(0.0)
	var t202 := mount2.get_node("drop_202").get_node("tag") as Label3D
	_ck(t201.position.y < gi2.TAG_BASE_Y - 0.0001, "重叠 -> 靠前名条被下推（世界 y 变小）")
	_ck(absf(t202.position.y - gi2.TAG_BASE_Y) < 0.0001, "重叠 -> 靠后名条留默认")
	# 被下推量 = (h + gap) px 折世界：(15 + 5) * pixel_size(0.005) = 0.1。
	_ck(absf(t201.position.y - (gi2.TAG_BASE_Y - (gi2.TAG_LINE_H_PX + TextTailArrange.PUSH_GAP) * t201.pixel_size)) < 0.0001,
		"下推量 = (TAG_LINE_H_PX + PUSH_GAP) * pixel_size = 0.1")
	_ck(absf(t201.position.y - t202.position.y) > 0.0001, "两名条错开后局部 y 不同")
	# 远离：把 202 挪远，重跑 -> 两条都回默认。
	mount2.get_node("drop_202").position = Vector3(-40, 0, -2)
	gi2._process(0.0)
	_ck(absf(t201.position.y - gi2.TAG_BASE_Y) < 0.0001, "拉开距离 -> 201 名条回默认")
	_ck(absf(t202.position.y - gi2.TAG_BASE_Y) < 0.0001, "拉开距离 -> 202 名条回默认")

	# --- §8.8 seam ⑩ 末尾：owner 拆成独立 CENTER 黄字 Label3D（SetItemTextTailOwner）
	#     + 名字实例下移 15px（ArrangeTextTail :200）；框仍 yEnd += ownerH + 4（增量 125）---
	var mount3 := Node3D.new()
	var fc3 := FakeClient.new()
	get_root().add_child(mount3)
	get_root().add_child(fc3)
	var gi3: Node = GroundItems.new()
	get_root().add_child(gi3)
	gi3.setup(fc3, mount3, func() -> Node: return pl, fp, null, func() -> Camera3D: return cam)
	fc3.add_ground(301, 27, Vector3(0, 0, 0))            # 靠前、无 owner
	var owner_color := Color(0.25, 0.75, 1.0)
	fc3.add_ground(302, 28, Vector3(0, 0, 0), "Alice", owner_color)   # 靠后、有 owner
	await process_frame
	gi3._process(0.0)
	var d301 := mount3.get_node("drop_301")
	var d302 := mount3.get_node("drop_302")
	var t301 := d301.get_node("tag") as Label3D
	var t302 := d302.get_node("tag") as Label3D
	# owner 拆成独立 owner_tag：名字实例只放名字，owner_tag 放 "Alice" + "'s"（黄 / CENTER）。
	_ck(t302.text == "掉落28", "名字实例只放名字（owner 后缀不再拼串，:723）")
	_ck(d301.get_node_or_null("owner_tag") == null, "无 owner 的掉落不建 owner_tag（:741-745）")
	var o302 := d302.get_node_or_null("owner_tag") as Label3D
	_ck(o302 != null, "有 owner 的掉落建独立 owner_tag（:715）")
	_ck(o302.text == "Alice's", "owner_tag 文本 = owner + strOwnership（:722 字面 \"'s\"）")
	_ck(o302.horizontal_alignment == HORIZONTAL_ALIGNMENT_CENTER, "owner_tag CENTER 对齐（:727）")
	_ck(o302.modulate.is_equal_approx(owner_color), "owner_tag 使用道具品阶色（:729 pInsertTextTail->Color）")
	# owner 名条框：无字体度量时 name_h = owner_h = 15 -> yEnd = 15 + 15 + 4 = 34（增量 125 不变）。
	#   靠前 301（无 owner）被顶 (34 + PUSH_GAP) px 折世界：(34 + 5) * 0.005 = 0.195。
	var push_owner: float = (gi3.TAG_LINE_H_PX * 2.0 + 4.0 + TextTailArrange.PUSH_GAP) * t301.pixel_size
	_ck(absf(t301.position.y - (gi3.TAG_BASE_Y - push_owner)) < 0.0001,
		"靠前名条被带 owner 的框顶 (34+5)*px = 0.195")
	# 靠后 302 未被推：owner 行落基点、名字行下移 15px（:195 owner 在 y、:200 名字在 y+15）。
	_ck(absf(o302.position.y - gi3.TAG_BASE_Y) < 0.0001, "owner_tag 落尾标基点（:195）")
	_ck(absf(t302.position.y - (gi3.TAG_BASE_Y - gi3.OWNER_NAME_GAP_PX * t302.pixel_size)) < 0.0001,
		"名字实例在 owner 行下移 15px（:200 y + 15.0f）")

	# --- strOwnership 经 setup(possessive) 注入（SetItemTextTailOwner :722 本地化语素）---
	var mount4 := Node3D.new()
	var fc4 := FakeClient.new()
	get_root().add_child(mount4)
	get_root().add_child(fc4)
	var gi4: Node = GroundItems.new()
	get_root().add_child(gi4)
	gi4.setup(fc4, mount4, func() -> Node: return pl, fp, null, func() -> Camera3D: return cam, "@")
	fc4.add_ground(401, 27, Vector3(0, 0, 0), "Bob")
	await process_frame
	var o401 := mount4.get_node("drop_401").get_node_or_null("owner_tag") as Label3D
	_ck(o401 != null and o401.text == "Bob@", "setup(possessive=\"@\") -> owner_tag 文本 = \"Bob@\"")

	# --- 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")