# test_quest_hud_parity.gd —— 任务剧情与信件卷轴系统 1:1 回归测试套件
# 运行方式：
#   /opt/homebrew/bin/godot --headless --path metin2-client/project --script test_quest_hud_parity.gd
extends SceneTree

const UiManager = preload("res://ui/ui_manager.gd")
const CharStatusUI = preload("res://ui/char_status_ui.gd")
const QuestLog = preload("res://ui/quest_log.gd")

class MockClient extends Node:
	signal quest_info(index: int)
	var sent_script_buttons: Array[int] = []
	var quests: Array = []

	func get_quests() -> Array:
		return quests

	func script_button(idx: int) -> void:
		sent_script_buttons.append(idx)

	# Required dummy methods for CharStatusUI setup
	func get_points() -> Dictionary:
		var pts: Array = []
		pts.resize(255)
		pts.fill(0)
		return {"points": pts, "hp": 100, "max_hp": 100, "sp": 50, "max_sp": 50, "level": 1, "exp": 0, "next_exp": 100, "gold": 0}

	func get_main_vid() -> int: return 1
	func get_entity(_vid: int) -> Dictionary: return {"name": "Hero", "guild": 0, "race": 0}
	func get_guild_name(_gid: int) -> String: return ""
	func get_skills() -> Array: return []
	func get_skill_group() -> int: return 0

var _checks_passed := 0
var _checks_failed := 0

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

func _init() -> void:
	print("\n=== Running test_quest_hud_parity (Direction 1: Quest HUD & Dialog 1:1) ===")
	_test_quest_log_layout()
	_test_quest_log_buttons()
	_test_char_status_quest_page()
	_finish()

func _test_quest_log_layout() -> void:
	print("\n--- Test 1: 40250 Quest Button Mathematical Layout (interfacemodule.py) ---")
	# 800x600 screen
	var y_count_600 := QuestLog.quest_button_y_count(600.0)
	# (600 - 330) // 63 = 270 // 63 = 4
	_assert(y_count_600 == 4, "Screen height 600 yields yCount = 4")

	var y_pos_600 := QuestLog.quest_button_y_pos(600.0)
	# 170 * 600 // 600 = 170
	_assert(y_pos_600 == 170, "Screen height 600 yields yPos = 170")

	# Slot positions
	# slot 0: col 0, row 0 -> (20, 170)
	var pos0 := QuestLog.quest_button_slot_pos(0, y_count_600, 20, y_pos_600)
	_assert(pos0 == Vector2(20, 170), "Slot 0 position is (20, 170)")

	# slot 3: col 0, row 3 -> (20, 170 + 3*63 = 359)
	var pos3 := QuestLog.quest_button_slot_pos(3, y_count_600, 20, y_pos_600)
	_assert(pos3 == Vector2(20, 359), "Slot 3 position is (20, 359)")

	# slot 4: col 1, row 0 -> (20 + 100 = 120, 170)
	var pos4 := QuestLog.quest_button_slot_pos(4, y_count_600, 20, y_pos_600)
	_assert(pos4 == Vector2(120, 170), "Slot 4 column wrap position is (120, 170)")

func _test_quest_log_buttons() -> void:
	print("\n--- Test 2: Quest Buttons HUD & Ctrl+Q Toggle ---")
	var client := MockClient.new()
	get_root().add_child(client)

	var ql: Node = QuestLog.new()
	get_root().add_child(ql)
	ql.setup(client, get_root())

	_assert(ql.quest_buttons_visible() == true, "Quest buttons visible by default")
	ql.toggle_buttons() # Ctrl+Q
	_assert(ql.quest_buttons_visible() == false, "toggle_buttons (Ctrl+Q) hides quest buttons")
	ql.toggle_buttons() # Ctrl+Q again
	_assert(ql.quest_buttons_visible() == true, "toggle_buttons (Ctrl+Q) restores quest buttons")

	# Adding quest buttons (BINARY_RecvQuest)
	ql.recv_quest(101, "初入江湖", "file", "")
	ql.recv_quest(102, "消灭野狼", "file", "")
	_assert(ql.quest_button_count() == 2, "2 quest buttons recorded")
	var order: Array[int] = ql.quest_button_order()
	_assert(order[0] == 102 and order[1] == 101, "Latest quest button inserted at front (1:1 40250)")

	ql.queue_free()
	client.queue_free()

func _test_char_status_quest_page() -> void:
	print("\n--- Test 3: CharStatusUI Quest Page 1:1 Interaction & Protocol ---")
	var assets := AssetRoot.path()
	if not FileAccess.file_exists(assets.path_join("uiscript/uiscript/characterwindow.py")):
		print("  (skip: no characterwindow.py)")
		return

	var ui: CanvasLayer = UiManager.new()
	get_root().add_child(ui)
	ui._ready()

	var client := MockClient.new()
	get_root().add_child(client)

	# Seed 7 quests to test pagination (> 5)
	for i in range(7):
		client.quests.append({
			"index": 100 + i,
			"title": "任务_%d" % i,
			"counter_name": "击杀数" if i == 0 else "",
			"counter_value": 5 if i == 0 else 0,
			"clock_name": "限时" if i == 1 else "",
			"clock_value": 125 if i == 1 else 0,
		})

	var cs: Node = CharStatusUI.new()
	get_root().add_child(cs)
	cs.setup(ui, client, assets)
	cs.open("QUEST")
	_assert(cs.is_open(), "Character window opened in QUEST state")

	# Check Scrollbar visibility (> 5 quests)
	var sb = cs._node("Quest_ScrollBar")
	_assert(sb != null and sb.visible == true, "Quest_ScrollBar visible when quests > 5")
	_assert(sb.max_value == 2, "Quest_ScrollBar max_value is 2 (7 - 5)")

	# Check labels for first page (0..4)
	var name0 = cs._node("Quest_Name_00")
	_assert(name0 != null and name0.text == "任务_0", "Quest_Name_00 shows '任务_0'")

	var cnt0 = cs._node("Quest_LastCount_00")
	_assert(cnt0 != null and cnt0.text == "击杀数 : 5", "Quest_LastCount_00 shows counter '击杀数 : 5'")

	var time1 = cs._node("Quest_LastTime_01")
	_assert(time1 != null and time1.text == "限时 02:05", "Quest_LastTime_01 formats 125s as '限时 02:05'")

	# Click on Quest_Name_00: should send script_button(-2147483648 + 100)
	var ev := InputEventMouseButton.new()
	ev.button_index = MOUSE_BUTTON_LEFT
	ev.pressed = true
	name0.gui_input.emit(ev)

	_assert(client.sent_script_buttons.size() == 1, "Clicking quest row sent script_button")
	var expected_val: int = -2147483648 + 100
	_assert(client.sent_script_buttons[0] == expected_val, "script_button value is -2147483648 + 100 (%d)" % expected_val)

	# Scroll to next page
	sb.value = 2 # showing start index = 2
	sb.value_changed.emit(2.0)
	_assert(name0.text == "任务_2", "After scroll, Quest_Name_00 shows '任务_2'")

	cs.close()
	cs.queue_free()
	client.queue_free()
	ui.queue_free()

func _finish() -> void:
	print("\n=== SUMMARY: %d passed, %d failed ===" % [_checks_passed, _checks_failed])
	if _checks_failed == 0:
		print("ALL TESTS PASSED!\n")
		quit(0)
	else:
		printerr("SOME TESTS FAILED!\n")
		quit(1)