# test_exp_fly_parity.gd
# 检验 40250 怪物阵亡经验光球飞行、自导向追踪与吸收动效
extends SceneTree

const FlyObject = preload("res://fly_object.gd")
const NetPlay = preload("res://net_play.gd")
const NetWorld = preload("res://net_world.gd")
const PlayerCtl = preload("res://player_controller.gd")

func _init() -> void:
	print("--- 开始测试 40250 怪物阵亡经验光球飞行与吸收动效 (test_exp_fly_parity) ---")
	var fails: int = 0

	# 1. 验证 40250 FLY 常量与编号映射
	if FlyObject.FLY_EXP != 0:
		printerr("FAIL: FLY_EXP 应为 0，实际为: ", FlyObject.FLY_EXP)
		fails += 1
	if FlyObject.FLY_HP_SMALL != 1 or FlyObject.FLY_SP_SMALL != 4:
		printerr("FAIL: FLY_HP/SP 常量映射错误")
		fails += 1

	# 2. 模拟 FlyObject 经验球追踪、命中与吸收信号
	var mount := Node3D.new()
	get_root().add_child(mount)

	var mgr := FlyObject.new()
	mgr.manual_step = true
	mount.add_child(mgr)
	mgr.setup(mount)

	var player_target := Node3D.new()
	mount.add_child(player_target)
	player_target.position = Vector3(5, 1, 0)

	var exp_absorbed_count := [0]
	mgr.exp_absorbed.connect(func(_wp: Vector3):
		exp_absorbed_count[0] += 1
	)

	var d := FlyObject.FlyData.new()
	d.init_vel = 15.0
	d.flat_range = 30.0
	d.bomb_range = 0.8
	d.is_homing = true
	d.homing_start_time = 0.05
	d.homing_max_angle = 140.0
	d.maintain_parallel = true

	var start_pos := Vector3(0, 1, 0)
	var inst = mgr.spawn(start_pos, player_target, false, d, FlyObject.FLY_EXP)
	if mgr.active_count() != 1:
		printerr("FAIL: 经验球未成功注册进飞行物管理器！")
		fails += 1
	if inst.skill_index != FlyObject.FLY_EXP:
		printerr("FAIL: 实例技能索引不符: ", inst.skill_index)
		fails += 1

	# 推进仿真时间步，让光球命中玩家目标
	for i in range(40):
		mgr.step(0.02)
		if mgr.active_count() == 0:
			break

	if exp_absorbed_count[0] != 1:
		printerr("FAIL: 经验球到达玩家时未发出 exp_absorbed 信号，次数: ", exp_absorbed_count[0])
		fails += 1
	if mgr.active_count() != 0:
		printerr("FAIL: 经验球命中后未从活跃队列销毁！")
		fails += 1

	# 3. 验证 net_world._on_fly(FLY_EXP) 生成 3 颗聚能光球
	var nw := NetWorld.new()
	mount.add_child(nw)
	nw.parent = mount
	nw._fly_mgr = mgr

	# 模拟注册实体坐标
	var fake_client := _FakeClient.new()
	fake_client.ents[100] = {"vid": 100, "pos": Vector3(0, 0, 0)} # 怪物
	fake_client.ents[1] = {"vid": 1, "pos": Vector3(4, 0, 0)}   # 玩家
	nw.client = fake_client

	var mob_node := Node3D.new()
	mob_node.position = Vector3(0, 0, 0)
	mount.add_child(mob_node)
	nw._by_vid[100] = mob_node

	var player_node := Node3D.new()
	player_node.position = Vector3(4, 0, 0)
	mount.add_child(player_node)
	nw._by_vid[1] = player_node

	# 触发 40250 官方 _on_fly(0, 100, 1)
	nw._on_fly(FlyObject.FLY_EXP, 100, 1)
	if mgr.active_count() != 3:
		printerr("FAIL: _on_fly(FLY_EXP) 应发射 3 颗经验聚能光球，实际: ", mgr.active_count())
		fails += 1

	# 清空飞行物
	for i in range(50):
		mgr.step(0.02)
		if mgr.active_count() == 0:
			break

	# 4. 验证 net_world.spawn_exp_fly 接口
	nw.spawn_exp_fly(Vector3(2, 0, 2), player_node, 3)
	if mgr.active_count() != 3:
		printerr("FAIL: spawn_exp_fly 未成功生成 3 颗光球，实际: ", mgr.active_count())
		fails += 1

	for i in range(50):
		mgr.step(0.02)
		if mgr.active_count() == 0:
			break

	# 5. 验证 net_play 经验变动时触发经验获取流程
	var np := NetPlay.new()
	mount.add_child(np)
	var pc := PlayerCtl.new()
	pc.player = player_node
	np.setup(fake_client, pc, nw, null)

	# 初始经验
	np._on_points({"exp": 1000, "next_exp": 5000, "level": 10})
	if mgr.active_count() != 0:
		printerr("FAIL: 初始点数同步不应触发获取经验！")
		fails += 1

	# 杀死怪物获得 500 经验
	np._last_dead_mob_pos = Vector3(3, 0, 0)
	np._on_points({"exp": 1500, "next_exp": 5000, "level": 10})
	if mgr.active_count() != 3:
		printerr("FAIL: 经验增加时未能通过 net_world 生成经验光球！实际数量: ", mgr.active_count())
		fails += 1

	mount.queue_free()

	if fails == 0:
		print("PASS: test_exp_fly_parity (6/6 全部通过)")
		quit(0)
	else:
		printerr("FAILED: test_exp_fly_parity (", fails, " 项失败)")
		quit(1)

class _FakeClient extends Node:
	signal entity_spawned(entity: Dictionary)
	signal entity_despawned(vid: int)
	signal entity_moved(vid: int)
	signal entity_main_set(vid: int)
	signal entity_dead(vid: int)
	signal vitals_changed(vid: int)
	signal points_changed(points: Dictionary)
	signal chat(type: int, vid: int, text: String)
	signal damage(vid: int, amount: int, flag: int)
	signal target_info(t: Dictionary)
	signal fly_cue(type: int, start_vid: int, end_vid: int)
	signal fly_targeting(s_vid: int, t_vid: int, pos: Vector2, append: bool)

	var ents := {}
	func is_in_game() -> bool: return true
	func get_main_vid() -> int: return 1
	func get_entity(vid: int) -> Dictionary: return ents.get(vid, {})
	func get_entities() -> Array: return ents.values()