extends SceneTree
var failures := 0
var won_count := 0
var lost_count := 0
func check(value: bool, message: String) -> void:
	if not value:
		push_error(message)
		failures += 1
func _initialize() -> void:
	call_deferred("run")
func run() -> void:
	var game = load("res://games/tempest/Tempest.tscn").instantiate()
	root.add_child(game)
	game.set_physics_process(false)
	game.game_won.connect(func(): won_count += 1)
	game.game_lost.connect(func(): lost_count += 1)
	check(game.start_game() and not game.start_game(),"single start")
	check(game.phase == "select","start opens selection")
	game.rotate_steps(2)
	game.confirm_level()
	check(game.stage == 5 and game.score == 0 and game.pending_bonus == 16000,"level five bonus is deferred")
	game._physics_process(1.5)
	check(game.phase == "play","ready transitions")
	game.rotate_steps(-1)
	check(game.lane == 15,"lane wrapping")
	game.fire_timer = 0.0
	game.enemies.assign([game.make_enemy("flipper",15,.9)])
	game.fire()
	game._step_play(.1)
	check(game.score == 150,"swept shot scores flipper")
	game.enemies.assign([game.make_enemy("tanker",15,.6)])
	game.fire_timer = 0
	game.shots.clear()
	game.fire()
	game._step_play(.2)
	check(game.enemies.size() == 2 and game.enemies[0].kind == "flipper","tanker splits on hit")
	game.superzap()
	check(game.enemies.is_empty() and game.zap_uses == 1,"first zap clears")
	game.enemies.assign([game.make_enemy("flipper",0,.1),game.make_enemy("flipper",1,.2)])
	game.zap_flash = 0
	game.superzap()
	check(game.enemies.size() == 1 and game.zap_uses == 2,"second zap kills one")
	game.zap_flash = 0
	game.superzap()
	check(game.enemies.size() == 1,"third zap unavailable")
	game.enemies.clear()
	game.remaining = 0
	var prior_score: int = game.score
	game._step_play(.01)
	check(game.phase == "dive" and game.score == prior_score+16000 and game.cleared == 1,"first clear earns bonus")
	game._physics_process(1.7)
	check(game.phase == "space","dive enters starfield")
	game._physics_process(1.3)
	check(game.phase == "arrive" and game.stage == 6,"next tube arrives")
	game._physics_process(1.7)
	check(game.phase == "ready" and game.pending_bonus == 0,"bonus not repeated")
	game.cleared = game.stages_to_win
	game.phase = "space"
	game.phase_time = .1
	game._physics_process(.2)
	game._physics_process(1.1)
	game._physics_process(1.1)
	check(game.phase == "won" and won_count == 1 and not game.is_running,"single room win counts clears not level number")
	game.reset_game()
	game.start_game()
	game._physics_process(10.1)
	check(game.phase == "ready" and game.stage == 1,"selection timeout starts default")
	game.phase = "play"
	game.lives = 1
	game.remaining = 10
	game.enemies.assign([game.make_enemy("flipper",game.lane,1.0)])
	game._step_play(.01)
	game._physics_process(1.3)
	check(game.phase == "lost" and lost_count == 1,"last life loses")
	game.reset_game()
	game.start_game()
	game.confirm_level()
	game.phase = "play"
	var enemy: Dictionary = game.make_enemy("flipper",15,.6)
	game._start_roll(enemy,1)
	check(game.collision_lane(enemy) == 15,"roll collision starts in source lane")
	enemy.roll = .1
	check(game.collision_lane(enemy) == 0,"roll collision ends in destination lane")
	game.enemies.assign([game.make_enemy("spiker",3,.64)])
	game._step_play(.2)
	check(game.spikes.has(3) and game.enemies[0].retreat,"spiker builds and retreats")
	game.spikes[3] = .4
	game.phase = "dive"
	game.phase_time = .6
	game.lane = 3
	game.cleared = 1
	var prior_lives: int = game.lives
	game._physics_process(.01)
	check(game.phase == "death" and game.lives == prior_lives-1 and game.cleared == 0,"warp spike collision")
	var board = game.get_node("VectorBoard")
	var center: Vector2 = (board.rim(0,0)+board.rim(8,0))*.5
	check(is_equal_approx(center.x,320) and center.y > 410,"vanishing point centered and low")
	game.stage = 9
	game.phase = "play"
	game.lane = 0
	game.rotate_steps(-1)
	check(game.lane == 0,"open tube does not wrap")
	game.lane = 15
	game.rotate_steps(1)
	check(game.lane == 15,"open tube right boundary")
	game.stages_to_win = 0
	game.phase = "space"
	game.phase_time = .1
	game._physics_process(.2)
	check(game.phase == "arrive","endless mode keeps progressing")
	# Simulate a longer random play sequence to exercise rendering data and AI.
	game.reset_game()
	game.start_game()
	game.selection = 4
	game.confirm_level()
	game.phase = "play"
	game.lives = 999
	for i in range(3600):
		if i%6 == 0: game.rotate_steps(1)
		game.fire_timer = maxf(0,game.fire_timer-1.0/60)
		game.fire()
		game._physics_process(1.0/60)
	check(game.score >= 0,"minute of simulation completes")
	print("Tempest v2 checks complete: ",failures," failures")
	game.get_node("VectorAudio").stop()
	await create_timer(.2).timeout
	game.queue_free()
	await process_frame
	quit(failures)