import { expect, test } from "bun:test"
import { buildSnapshot } from "../../testing/build-snapshot"
import { designSystemFont } from "./design-system-font"

test("#given declared fonts, off-system duplicates and quoted commas #then unique undeclared families report", () => {
	const snapshot = buildSnapshot([
		{ text: "Allowed font", style: { "font-family": "Georgia, serif" } },
		{ id: "off", text: "Different font", style: { "font-family": "Comic Sans MS, cursive" } },
		{ text: "Same different font", style: { "font-family": '"Comic Sans MS", cursive' } },
		{ text: "Comma family", style: { "font-family": '"Foo, Bar", serif' } },
		{ text: "Platform only", style: { "font-family": "system-ui, sans-serif" } },
		{ text: "Invisible", style: { "font-family": "Hidden Face", display: "none" } },
	])
	expect(designSystemFont.check({ snapshot, config: { designTokens: { fonts: ["GEORGIA", "Foo, Bar"] } } }).map(h => h.element?.selector)).toEqual(["#off"])
})

test("#given absent font tokens #then no font drift is inferred", () => {
	const snapshot = buildSnapshot([{ text: "Different font", style: { "font-family": "Comic Sans MS" } }])
	expect(designSystemFont.check({ snapshot, config: {} })).toEqual([])
	expect(designSystemFont.check({ snapshot, config: { designTokens: { fonts: [] } } })).toEqual([])
	expect(designSystemFont.check({ snapshot, config: { designTokens: { fonts: ["Georgia"] } } })).toHaveLength(1)
})