# test_event_manager_parity.gd —— 40250 全服掉落活动与倍率调度器 1:1 纯净回归测试套件
extends SceneTree

const EventManagerSystem = preload("res://event_manager_system.gd")

var _passed := 0
var _failed := 0

func _assert(cond: bool, msg: String) -> void:
	if cond:
		_passed += 1
		print("  [PASS] %s" % msg)
	else:
		_failed += 1
		printerr("  [FAIL] %s" % msg)

func _init() -> void:
	print("\n=== Running test_event_manager_parity (Direction 4: Solo Event Manager 1:1) ===")
	_test_rate_adjustments()
	_test_event_toggling()
	_test_event_drop_chances()
	_test_box_opening()
	_finish()

func _test_rate_adjustments() -> void:
	print("\n--- Test 1: Rate Adjustments (EXP, Drop, Yang) ---")
	var ems := EventManagerSystem.new()

	# Invalid multipliers
	var r_bad1 = ems.set_rate("exp", 0.5)
	_assert(r_bad1["ok"] == false and r_bad1["reason"] == "INVALID_MULTIPLIER", "< 1.0 multiplier rejected")

	var r_bad2 = ems.set_rate("exp", 10.0)
	_assert(r_bad2["ok"] == false and r_bad2["reason"] == "INVALID_MULTIPLIER", "> 5.0 multiplier rejected")

	var rate_signal := {"fired": false, "type": "", "mult": 0.0}
	ems.rate_changed.connect(func(t: String, m: float):
		rate_signal["fired"] = true
		rate_signal["type"] = t
		rate_signal["mult"] = m
	)

	# 1. EXP Rate 2.0x
	var r_exp = ems.set_rate("exp", 2.0)
	_assert(r_exp["ok"] == true, "EXP rate set to 2.0x")
	_assert(ems.calculate_exp(1000) == 2000, "1000 base EXP doubled to 2000")
	_assert(rate_signal["fired"] == true and rate_signal["type"] == "exp", "rate_changed signal fired")

	# 2. Gold Rate 3.0x
	var r_gold = ems.set_rate("gold", 3.0)
	_assert(r_gold["ok"] == true, "Gold rate set to 3.0x")
	_assert(ems.calculate_gold(500) == 1500, "500 base Gold tripled to 1500")

	# 3. Drop Rate 1.5x
	var r_drop = ems.set_rate("drop", 1.5)
	_assert(r_drop["ok"] == true, "Drop rate set to 1.5x")
	_assert(ems.drop_rate == 1.5, "drop_rate is 1.5")

func _test_event_toggling() -> void:
	print("\n--- Test 2: Event Toggling (Moonlight & Hexagonal) ---")
	var ems := EventManagerSystem.new()

	var ev_signal := {"fired": false, "name": "", "active": false}
	ems.event_state_changed.connect(func(n: String, act: bool):
		ev_signal["fired"] = true
		ev_signal["name"] = n
		ev_signal["active"] = act
	)

	# Invalid event
	var r_bad = ems.toggle_event("christmas", true)
	_assert(r_bad["ok"] == false and r_bad["reason"] == "INVALID_EVENT_NAME", "Invalid event name rejected")

	# Toggle Moonlight event ON
	var r1 = ems.toggle_event("moonlight", true)
	_assert(r1["ok"] == true and ems.is_moonlight_active == true, "Moonlight event enabled")
	_assert(ev_signal["fired"] == true and ev_signal["name"] == "moonlight" and ev_signal["active"] == true, "event_state_changed signal fired")

	# Toggle Hexagonal event ON
	var r2 = ems.toggle_event("hexagonal", true)
	_assert(r2["ok"] == true and ems.is_hexagonal_active == true, "Hexagonal event enabled")

	# Toggle Moonlight event OFF
	ems.toggle_event("moonlight", false)
	_assert(ems.is_moonlight_active == false, "Moonlight event disabled")

func _test_event_drop_chances() -> void:
	print("\n--- Test 3: Event Box Drops on Mob Kills ---")
	var ems := EventManagerSystem.new()
	ems.toggle_event("moonlight", true)
	ems.toggle_event("hexagonal", true)

	var drop_signal := {"fired": false, "vnum": 0}
	ems.event_box_dropped.connect(func(v: int, _n: String):
		drop_signal["fired"] = true
		drop_signal["vnum"] = v
	)

	# 1. Level difference > 15 (Mob Lv 10 vs Player Lv 50) -> No drop
	var drops_far = ems.check_event_drops(10, 50, 0.01)
	_assert(drops_far.is_empty(), "Level diff > 15 drops nothing")

	# 2. Level difference <= 15 with winning rolls
	# Moonlight chance = 10% (0.10). Forced roll = 0.05 -> drops 50011
	# Hexagonal chance = 15% (0.15). Forced roll = 0.05 -> drops 50037
	var drops = ems.check_event_drops(50, 52, 0.05)
	_assert(drops.size() == 2, "Both Moonlight and Hexagonal boxes dropped on winning roll")
	_assert(drops[0]["vnum"] == EventManagerSystem.ITEM_MOONLIGHT_BOX, "Moonlight Box (50011) dropped")
	_assert(drops[1]["vnum"] == EventManagerSystem.ITEM_HEXAGONAL_BOX, "Hexagonal Box (50037) dropped")
	_assert(drop_signal["fired"] == true, "event_box_dropped signal fired")

	# 3. Losing roll (e.g. 0.80) -> No drop
	var drops_fail = ems.check_event_drops(50, 52, 0.80)
	_assert(drops_fail.is_empty(), "Losing roll drops nothing")

func _test_box_opening() -> void:
	print("\n--- Test 4: Event Box Opening (50011 Loot Pool) ---")
	var ems := EventManagerSystem.new()
	var inv: Array = [
		{"vnum": EventManagerSystem.ITEM_MOONLIGHT_BOX, "name": "月光宝盒", "count": 1},
		null
	]

	# Open Moonlight Box at slot 0
	var res = ems.open_event_box(0, inv)
	_assert(res["ok"] == true, "Moonlight box opened successfully")

	var reward = res["reward"]
	_assert(reward.has("vnum") and reward.has("name"), "Valid reward drawn from pool")
	print("    Drew Moonlight Box reward: %s (vnum: %d)" % [reward["name"], reward["vnum"]])

	var stored_slot = res["stored_slot"]
	_assert(stored_slot >= 0 and inv[stored_slot] != null, "Reward saved in inventory")
	_assert(inv[stored_slot]["vnum"] == reward["vnum"], "Inventory item matches reward")

func _finish() -> void:
	print("\n==========================================")
	print("Event Manager Parity Test Results: %d Passed, %d Failed" % [_passed, _failed])
	print("==========================================")
	if _failed > 0:
		quit(1)
	else:
		quit(0)