extends Node

const BALANCE := preload("res://scripts/levels/level_balance.gd")
const GENERATOR := preload("res://scripts/levels/system_generator.gd")
const ENEMY := preload("res://scenes/game/enemy_ship.tscn")

func _ready() -> void:
	assert(BALANCE.enemy_tiers(1).count(0) == 8)
	assert(preload("res://resources/items/gamma_cannon.tres").weapon_range == 300.0)
	for level in range(2, 1001):
		assert(BALANCE.enemy_count(level) >= BALANCE.enemy_count(level - 1))
	for level in range(1, 1001):
		var tiers := BALANCE.enemy_tiers(level)
		assert(tiers.count(1) == 2 and tiers.count(2) == 1)
		assert(tiers.size() == BALANCE.enemy_count(level))
		assert(tiers.count(0) >= 2)
	for level in [1, 10, 100, 1000]:
		var data: Dictionary = GENERATOR.generate(level, 314159)
		var elites := 0
		var bosses := 0
		for entry in data["enemies"]:
			elites += 1 if entry["tier"] == 1 else 0
			bosses += 1 if entry["tier"] == 2 else 0
		assert(elites == 2 and bosses == 1)
	for tier in 3:
		var enemy := ENEMY.instantiate() as CharacterBody2D
		add_child(enemy)
		enemy.set_physics_process(false)
		enemy.call("apply_level_settings", 1, tier)
		var bar := enemy.get_node("HealthBar")
		bar.call("_process", 0.0)
		var label := bar.get_child(0) as Label
		assert(label.text == ["", "ELITA", "BOSS"][tier])
		assert(label.light_mask == 4)
		assert(enemy.get_node("Sprite2D").modulate == enemy.call("get_tier_tint"))
		enemy.queue_free()
	print("ENEMY_TIERS_TEST: PASS (1000 levels, generated encounters, exactly two elites/one boss, tint and labels)")
	get_tree().quit()