# client/tests/unit/test_theme_resource.gd
extends "res://addons/gut/test.gd"

const ThemeKeys = preload("res://scripts/theme/theme_keys.gd")
const Builder = preload("res://scripts/theme/build_game_theme.gd")
const THEME_PATH := "res://assets/theme/game_theme.tres"


func test_theme_loads():
	assert_true(FileAccess.file_exists(THEME_PATH), "theme not built — run build_game_theme.gd")
	var t = load(THEME_PATH)
	assert_true(t is Theme)


func test_every_variation_resolves():
	var t: Theme = load(THEME_PATH)
	for key in ThemeKeys.ALL:
		var base: String = ThemeKeys.ALL[key]
		assert_eq(t.get_type_variation_base(key), StringName(base),
			"variation %s missing or wrong base" % key)


func test_cta_has_normal_stylebox():
	var t: Theme = load(THEME_PATH)
	assert_true(t.has_stylebox(&"normal", ThemeKeys.PRIMARY_CTA))


func test_default_font_is_set():
	var t: Theme = load(THEME_PATH)
	assert_true(t.default_font is FontFile)


func test_committed_tres_matches_builder():
	# Catches "palette/builder changed but nobody regenerated game_theme.tres."
	# Preloading the builder script and calling its static build_theme() does
	# NOT run _init() (that only fires on .new()), so this is side-effect-free.
	var fresh: Theme = Builder.build_theme()
	var committed: Theme = load(THEME_PATH)

	var checks := [
		[ThemeKeys.PRIMARY_CTA, &"normal"],
		[ThemeKeys.PARCHMENT_CARD, &"panel"],
		[ThemeKeys.DARK_PANEL, &"panel"],
	]
	for pair in checks:
		var variation: StringName = pair[0]
		var state: StringName = pair[1]
		var fresh_box: StyleBoxFlat = fresh.get_stylebox(state, variation)
		var committed_box: StyleBoxFlat = committed.get_stylebox(state, variation)
		assert_eq(fresh_box.bg_color, committed_box.bg_color,
			"stale game_theme.tres — %s/%s bg_color drifted from the builder; re-run build_game_theme.gd" % [variation, state])