# test_levelup_combat_parity.gd —— 40250 升级流与战斗打击感 1:1 纯净无头自检套件
# 验证：
#   1. POINT_LEVEL 跃迁升级检测
#   2. EFFECT_LEVELUP 冲天金光粒子挂载 (level_up_beam)
#   3. levelup1_1.wav 升级号角音效播放
#   4. 升级瞬间 100% HP 与 SP 回满规则
#   5. HUD 等级与加点通知
#   6. 暴击 DAMAGE_CRITICAL 镜头瞬时微震 (camera.shake)
#   7. 暴击大号金色高亮飘字与普通飘字样式分流
extends SceneTree

const NetPlay = preload("res://net_play.gd")
const NetWorld = preload("res://net_world.gd")
const DamageEffect = preload("res://damage_effect.gd")

class FakeAudio extends Node:
	var calls: Array[String] = []
	func play_ui(name: String) -> void:
		calls.append(name)

class FakeCamera extends Camera3D:
	var shake_calls: Array = []
	func shake(strength: float, decay := 8.0) -> void:
		shake_calls.append([strength, decay])

class FakePlayerController extends Node:
	signal target_selected(target: Node)
	signal ground_item_clicked(vid: int)
	signal hover_entity_changed(vid: int)
	signal moved(pos: Vector3)
	signal anim_state(state: String)
	var player: Node3D

class FakeHud extends Node:
	var vitals: Array = []
	var levels: Array[int] = []
	var levelup_events: Array[int] = []

	func set_vitals(hp: int, max_hp: int, sp: int, max_sp: int) -> void:
		vitals.append([hp, max_hp, sp, max_sp])
	func set_stamina(_st: int, _max_st: int) -> void: pass
	func set_exp(_exp: int, _next_exp: int) -> void: pass
	func set_level(lvl: int) -> void:
		levels.append(lvl)
	func set_energy(_e: int, _max_e: int) -> void: pass
	func on_level_up(lvl: int) -> void:
		levelup_events.append(lvl)

class FakeClient extends Node:
	signal entity_spawned(e: Dictionary)
	signal entity_despawned(vid: int)
	signal entity_main_set(vid: int)
	signal vitals_changed(vid: int)
	signal entity_dead(vid: int)
	signal damage(vid: int, amount: int, flag: int)
	signal points_changed(p: Dictionary)
	signal chat(type: int, vid: int, msg: String)
	signal entity_moved(vid: int)
	signal target_info(info: Dictionary)

	func is_in_game() -> bool: return true
	func get_main_vid() -> int: return 1001
	func get_entity(_vid: int) -> Dictionary: return {}

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

var _to_free: Array[Node] = []

func _init() -> void:
	_run()
	for n in _to_free:
		if is_instance_valid(n):
			n.queue_free()
	if _fail == 0:
		print("PASS: test_levelup_combat_parity (40250 LevelUp & Combat Parity)")
		quit(0)
	else:
		printerr("%d check(s) failed in test_levelup_combat_parity" % _fail)
		quit(1)

func _run() -> void:
	var fc := FakeClient.new()
	get_root().add_child(fc)
	var fa := FakeAudio.new()
	get_root().add_child(fa)
	var fcam := FakeCamera.new()
	get_root().add_child(fcam)
	var hud := FakeHud.new()
	get_root().add_child(hud)

	var player := Node3D.new()
	player.name = "Player"
	get_root().add_child(player)

	var pc := FakePlayerController.new()
	pc.player = player
	get_root().add_child(pc)

	var mount := Node3D.new()
	get_root().add_child(mount)

	var nw: Node = NetWorld.new()
	get_root().add_child(nw)
	nw.setup(fc, mount)
	nw.set_camera(fcam)

	var np: Node = NetPlay.new()
	get_root().add_child(np)
	np.setup(fc, pc, nw, hud, fa)
	np.camera = fcam
	_to_free = [np, nw, mount, pc, player, hud, fcam, fa, fc]

	var levelup_signals: Array[int] = []
	np.level_up.connect(func(lvl: int): levelup_signals.append(lvl))

	# --- 1. 初始点数同步 (不触发升级) ---
	np._on_points({
		"level": 1,
		"hp": 200, "max_hp": 300,
		"sp": 50, "max_sp": 100,
		"exp": 0, "next_exp": 1000,
	})
	_ck(levelup_signals.is_empty(), "1. 初始 Lv.1 同步不触发升级信号")
	_ck(fa.calls.is_empty(), "2. 初始不播放升级音效")
	_ck(player.get_node_or_null("level_up_beam") == null, "3. 初始无升级光柱")
	_ck(hud.levels == [1], "4. HUD 记录初始等级")
	hud.vitals.clear()

	# --- 2. 角色等级跃迁 (Lv.1 -> Lv.2) ---
	# 在残血状态下升级：当前 HP 80 / Max HP 350
	np._on_points({
		"level": 2,
		"hp": 80, "max_hp": 350,
		"sp": 20, "max_sp": 120,
		"exp": 120, "next_exp": 2500,
	})
	_ck(levelup_signals == [2], "5. 等级增长触发 level_up 信号 (Lv.2)")
	_ck(fa.calls.has("levelup1_1.wav"), "6. 播放 40250 专属升级音效 levelup1_1.wav")
	_ck(player.get_node_or_null("level_up_beam") != null, "7. 角色脚底挂载冲天金光特效 (level_up_beam)")
	_ck(hud.levelup_events == [2], "8. 通知 HUD 刷新升级事件")

	# 40250 核心规则：升级瞬间 HP / SP 立即 100% 满状态恢复
	# 检查 hud.set_vitals 是否收到了满血满蓝调用 [350, 350, 120, 120]
	var got_full_restore := false
	for vit in hud.vitals:
		if vit[0] == 350 and vit[1] == 350 and vit[2] == 120 and vit[3] == 120:
			got_full_restore = true
			break
	_ck(got_full_restore, "9. 40250 规则：升级瞬间 HP/SP 立即全满回血回蓝")

	# --- 3. 战斗暴击反馈 (DAMAGE_CRITICAL) ---
	# 普通受击：flag = DAMAGE_NORMAL
	fcam.shake_calls.clear()
	nw._on_damage(2001, 150, DamageEffect.DAMAGE_NORMAL)
	_ck(fcam.shake_calls.is_empty(), "10. 普通伤害不震屏")

	# 暴击命中：flag = DAMAGE_NORMAL | DAMAGE_CRITICAL
	nw._on_damage(2001, 450, DamageEffect.DAMAGE_NORMAL | DamageEffect.DAMAGE_CRITICAL)
	_ck(not fcam.shake_calls.is_empty(), "11. 暴击 DAMAGE_CRITICAL 触发镜头震颤")
	_ck(fcam.shake_calls[0][0] == 0.05, "12. 震颤振幅精确匹配 0.05m")

	# 暴击飘字样式验证
	nw._show_damage = true
	nw._process_damage_queue()
	var dmg_node: Node3D = mount.get_node_or_null("dmg_2001")
	# 如果没有 DDS 纹理降级至 Label3D
	if dmg_node:
		var lbl := dmg_node.get_node_or_null("Label3D") as Label3D
		if lbl:
			_ck(lbl.modulate == Color(1.0, 0.85, 0.2), "13. 暴击飘字为金色")
			_ck(lbl.font_size == 46, "14. 暴击字体放大至 46px")