extends "res://addons/gut/test.gd"

const NpcContent = preload("res://scripts/npc/npc_content.gd")

func _fenn() -> Dictionary:
	return {"id": "fenn", "capabilities": {
		"offerable_quests": ["find_the_ledger"],
		"giveable_items": [],
		"revealable_topics": ["varrell_twins", "fenns_debt"]}}


func test_universal_moves_always_present():
	var moves = NpcContent.available_moves(_fenn(), GameState.new(), CanonLog.new())
	for m in ["adjust_disposition", "refuse", "end_conversation", "become_hostile"]:
		assert_true(m in moves, "missing universal move %s" % m)


func test_offers_unstarted_quest_and_unrevealed_topics():
	var moves = NpcContent.available_moves(_fenn(), GameState.new(), CanonLog.new())
	assert_true("offer_quest(find_the_ledger)" in moves)
	assert_true("reveal(varrell_twins)" in moves)
	assert_true("reveal(fenns_debt)" in moves)


func test_active_quest_is_not_offered_again():
	var log = CanonLog.new()
	log.add_quest("find_the_ledger", "x", "y")
	var moves = NpcContent.available_moves(_fenn(), GameState.new(), log)
	assert_false("offer_quest(find_the_ledger)" in moves)


func test_revealed_topic_drops_out():
	var gs = GameState.new()
	gs.mark_revealed("varrell_twins")
	var moves = NpcContent.available_moves(_fenn(), gs, CanonLog.new())
	assert_false("reveal(varrell_twins)" in moves)
	assert_true("reveal(fenns_debt)" in moves)


func test_accept_item_offered_per_held_item():
	var gs = GameState.new()
	gs.add_item("coin", 2)
	var moves = NpcContent.available_moves(_fenn(), gs, CanonLog.new())
	assert_true("accept_item(coin)" in moves)