import { expect, test } from "bun:test"
import { buildSnapshot } from "../../testing/build-snapshot"
import { justifiedText } from "./justified-text"

test("#given narrow justified columns and wide, hyphenated or script controls #then only narrow Latin prose reports", () => {
	const text = "Forcing every line of a narrow column to the same width stretches the spaces between words."
	const style = { "text-align": "justify", "line-height": "24px" }
	const lineRects = [{ x: 0, y: 0, width: 300, height: 18 }, { x: 0, y: 24, width: 280, height: 18 }]
	const snapshot = buildSnapshot([
		{ id: "narrow", tag: "p", text, style, rect: { width: 300 }, lineRects },
		{ id: "manual", tag: "p", text, style: { ...style, hyphens: "manual" }, rect: { width: 260 }, lineRects },
		{ tag: "p", text, style, rect: { width: 760 }, lineRects },
		{ tag: "p", text, style: { ...style, hyphens: "auto" }, rect: { width: 300 }, lineRects },
		{ tag: "p", text: "永慶房屋專注本業堅持創新提供消費者透明的資訊與安心的服務", style, lineRects },
		{ tag: "p", text: "การจัดวางข้อความแบบชิดขอบทั้งสองด้านในภาษาไทย", style, lineRects },
		{ tag: "p", text: "يعتمد ضبط النص في الخط العربي على استطالة الحروف على السطر", style, lineRects },
		{ tag: "h4", text: "Research topics", style, rect: { width: 300 }, lineRects: [lineRects[0] ?? { x: 0, y: 0, width: 100, height: 18 }] },
	])
	expect(justifiedText.check({ snapshot, config: {} }).map(h => h.element?.selector)).toEqual(["#narrow", "#manual"])
})

test("#given inline text inheriting justification #then the containing block supplies the measure", () => {
	const text = "Wrapping the whole paragraph in a span changes nothing about the narrow measure it occupies."
	const style = { "text-align": "justify", "line-height": "24px" }
	const lineRects = [{ x: 0, y: 0, width: 280, height: 18 }, { x: 0, y: 24, width: 260, height: 18 }]
	const snapshot = buildSnapshot([
		{ rect: { width: 280 }, style, children: [{ id: "span", tag: "span", text, style, lineRects }] },
		{ rect: { width: 760 }, style, text: "A paragraph with text of its own.", children: [{ tag: "a", text, style, lineRects }] },
	])
	expect(justifiedText.check({ snapshot, config: {} }).map(h => h.element?.selector)).toEqual(["#span"])
})