extends SceneTree
const GENERATOR := preload("res://scripts/planets/surface_generator.gd")
const DETAILS := preload("res://scripts/planets/surface_details.gd")

func _initialize() -> void:
	var total := 0
	var fallen := 0
	for biome in 6:
		var profile := {"temperature":75 if biome == 4 else (-35 if biome == 5 else 20)}
		var data := GENERATOR.generate(200+biome, profile)
		assert(int(data.landscape.index) == biome)
		assert(data.pois.size() >= 4 and data.pois.size() <= 6 and data.structures.size() <= 5)
		var original := var_to_str(data.details)
		DETAILS.generate(data)
		assert(original == var_to_str(data.details), "Decoration generation must be reproducible")
		assert(not data.details.is_empty())
		for detail in data.details:
			assert(detail.position.length() > 210)
			assert(DETAILS._height(data, detail.position) >= 0.315)
			for poi in data.pois:
				assert(detail.position.distance_to(poi.position) > 135)
			for event in data.events:
				assert(detail.position.distance_to(event.position) > 115)
		total += data.details.size()
		print("Biome ",biome,": ",data.details.size()," details, ",data.trees.size()," trees")
		# Exercise rare-tree rolls on one fixed map, without baking terrain repeatedly.
		for sample_index in 40:
			data.seed = 10000+sample_index
			DETAILS.generate(data)
			var count := 0
			for detail in data.details:
				if int(detail.variant) == 12:
					count += 1
			assert(count <= 1)
			if biome >= 4:
				assert(count == 0)
			fallen += count
	assert(fallen > 0 and fallen < 32)
	print("NATURE PASS: six biomes; ",total," details; reproducible generation; clear POI/event/landing areas; ",fallen," fallen trees across 240 samples")
	quit()