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

const ContentDB = preload("res://scripts/content/content_db.gd")

var db


func before_each():
	db = ContentDB.new()
	db.load_from(ContentDB.default_content_root())


func _deserter() -> Dictionary:
	return ContentDB.load_json(ContentDB.origin_path("deserter"))


func test_loads_world_ids():
	assert_true(db.has_location("greywater_docks"))
	assert_true(db.has_quest("find_the_ledger"))
	assert_true(db.has_item("worn_shortsword"))
	assert_true(db.has_item("copper"))
	assert_true(db.has_item("silver"))
	assert_true(db.has_item("gold"))
	assert_false(db.has_item("coin"), "the undifferentiated coin is gone")


func test_currency_items_agree_with_the_code():
	# The denomination ids exist twice — in code (Currency.VALUES, because the
	# ratios are rules) and in content (slot: "currency"). Guard the two against
	# drifting apart, since nothing at runtime reconciles them.
	var content_ids: Array = []
	for id in db.items:
		if db.items[id].get("slot", "") == "currency":
			content_ids.append(id)
	content_ids.sort()
	var code_ids: Array = Currency.VALUES.keys()
	code_ids.sort()
	assert_eq(content_ids, code_ids)


func test_companions_are_brannoc_and_cadwyn():
	var ids := []
	for n in db.companions():
		ids.append(n["id"])
	ids.sort()
	assert_eq(ids, ["brannoc_thane","cadwyn_vell"])


func test_good_origin_has_no_unresolved_refs():
	assert_eq(db.unresolved_refs(_deserter()), [])


func test_broken_location_ref_detected():
	var o := _deserter()
	o["start_location_id"] = "nowhere"
	assert_true("location:nowhere" in db.unresolved_refs(o))


func test_broken_item_ref_detected():
	var o := _deserter()
	o["inventory_grants"] = o["inventory_grants"].duplicate(true)
	o["inventory_grants"].append({"item_id": "ghost_blade", "qty": 1})
	assert_true("item:ghost_blade" in db.unresolved_refs(o))


func test_null_quest_ref_resolves():
	var o := _deserter()
	o["start_quest_id"] = null
	assert_eq(db.unresolved_refs(o), [])


func test_loads_canon():
	assert_true(db.has_canon("faction.the-seven"))
	assert_true(db.has_canon("person.the-warden"))
	assert_true(db.has_canon("rule.disposition-ladder"))


func test_no_loaded_topic_has_a_body():
	# Bodies are server-only (secrecy≥1 knowledge routes to content/server/topics,
	# never the client). Structural, so it stays a real guard even when the
	# topic set is empty (as it is now — the last authored topics were purged)
	# and automatically starts testing something the moment a topic exists.
	# One assertion, always executed (not per-loop-item), so an empty topic
	# set still exercises the check instead of asserting zero times.
	var leaked: Array = []
	for id in db.topics:
		if db.topics[id].has("body"):
			leaked.append(id)
	assert_eq(leaked, [], "topic(s) leaked a body to the client")


func test_legacy_npcs_still_load():
	assert_true(db.has_npc("fenn"))


func test_loads_calling_and_race_content():
	assert_true(db.has_calling("reaver"))
	assert_true(db.has_calling("bloodsworn"))
	assert_true(db.has_race("beastfolk"))
	assert_eq(db.calling("reaver")["name"], "Reaver")
	assert_eq(db.race("beastfolk")["name"], "Beastfolk")


func test_calling_content_matches_the_code_table():
	# The roster exists in code (Callings.IDS — mechanics are rules) and in content
	# (the blurbs). Nothing at runtime reconciles them, so guard against drift.
	var content_ids: Array = db.callings.keys()
	content_ids.sort()
	var code_ids: Array = Callings.IDS.duplicate()
	code_ids.sort()
	assert_eq(content_ids, code_ids)


func test_race_content_matches_the_code_table():
	var content_ids: Array = db.races.keys()
	content_ids.sort()
	var code_ids: Array = Races.IDS.duplicate()
	code_ids.sort()
	assert_eq(content_ids, code_ids)


func test_blurb_content_carries_no_mechanics():
	# Mechanics are code. A hit_die in a content file is a second source of truth.
	for id in db.callings:
		for banned in ["hit_die", "saves", "skill_pool", "skill_count", "armor", "talent"]:
			assert_false(db.callings[id].has(banned),
				"%s.json leaks the mechanic '%s' — that lives in Callings" % [id, banned])
	for id in db.races:
		for banned in ["save_bonus", "poison_save_bonus", "granted_skills", "flags",
				"nightsight", "claws", "keen_scent"]:
			assert_false(db.races[id].has(banned),
				"%s.json leaks the mechanic '%s' — that lives in Races" % [id, banned])


func test_every_race_and_calling_carries_a_fragment():
	# The DM origin panel (M4-b) composes race.fragment + calling.fragment. A
	# missing one degrades to the blurb at runtime rather than crashing — but it
	# must never SHIP missing, so the suite is where it fails.
	#
	# The composition is "{race.fragment} Now you carry a {Calling}'s work —
	# {calling.fragment}", so three shape rules make all 28 pairings legal
	# sentences: a race fragment opens a sentence (uppercase) and closes it (.);
	# a calling fragment continues one after the em dash (lowercase) and closes
	# it (.). Guard them here — a future author adding a calling gets a signal,
	# not a subtly ungrammatical DM.
	for id in Races.IDS:
		assert_true(db.race(id).has("fragment"), "race %s has no fragment" % id)
		var race_fragment := str(db.race(id).get("fragment", "")).strip_edges()
		assert_ne(race_fragment, "", "race %s has an empty fragment" % id)
		assert_eq(race_fragment.substr(0, 1), race_fragment.substr(0, 1).to_upper(),
			"race %s: fragment opens the composition, so it must start uppercase" % id)
		assert_true(race_fragment.ends_with("."),
			"race %s: fragment must end with '.' — a sentence precedes 'Now you carry…'" % id)
	for id in Callings.IDS:
		assert_true(db.calling(id).has("fragment"), "calling %s has no fragment" % id)
		var calling_fragment := str(db.calling(id).get("fragment", "")).strip_edges()
		assert_ne(calling_fragment, "", "calling %s has an empty fragment" % id)
		assert_eq(calling_fragment.substr(0, 1), calling_fragment.substr(0, 1).to_lower(),
			"calling %s: fragment follows an em dash, so it must start lowercase" % id)
		assert_true(calling_fragment.ends_with("."),
			"calling %s: fragment must end with '.' — it closes the composition" % id)


func test_no_calling_is_named_with_a_vowel():
	# The fourth shape rule of that same composition, and the one that breaks SILENTLY.
	# CharacterCreation._origin_prose() hardcodes the article:
	#     "%s Now you carry a %s's work — %s"
	# All seven callings are consonant-initial, so all 28 compositions read correctly
	# today and nothing anywhere would notice an eighth. Add "an Auger" and every
	# Auger in the game gets "Now you carry a auger's work" on the DM panel — no
	# error, no test, just a DM who cannot speak. Fail HERE, where the author is.
	var vowels := ["a", "e", "i", "o", "u"]
	for id in Callings.IDS:
		var calling_name := str(db.calling(id).get("name", "")).strip_edges()
		assert_ne(calling_name, "", "calling %s has no name" % id)
		assert_false(calling_name.substr(0, 1).to_lower() in vowels,
			("calling %s is named '%s'. The DM origin panel composes "
			+ "\"Now you carry a %s's work\" with the article HARDCODED as \"a\" "
			+ "(CharacterCreation._origin_prose) — a vowel-initial calling needs \"an\". "
			+ "Change the template first, then this guard.") % [id, calling_name, calling_name.to_lower()])