import { afterAll, afterEach, beforeAll, describe, expect, it } from "bun:test";
import { resetSettingsForTest, Settings, settings } from "@oh-my-pi/pi-coding-agent/config/settings";
import { getThemeByName } from "../../src/modes/theme/theme";
import { readToolRenderer } from "../../src/tools/read";

function extractLinkUris(text: string): string[] {
	return [...text.matchAll(/\x1b\]8;[^;]*;([^\x1b]+)\x1b\\/g)].map(match => match[1]!);
}

beforeAll(async () => {
	resetSettingsForTest();
	await Settings.init({ inMemory: true });
});

afterEach(() => {
	settings.clearOverride("tui.hyperlinks");
});

afterAll(() => {
	resetSettingsForTest();
});

describe("readToolRenderer hyperlinks", () => {
	it("links local-style read titles to the resolved filesystem path and selected line", async () => {
		settings.override("tui.hyperlinks", "always");
		const theme = await getThemeByName("dark");
		expect(theme).toBeDefined();

		const component = readToolRenderer.renderResult(
			{
				content: [{ type: "text", text: "second line" }],
				details: {
					resolvedPath: "/tmp/omp-local/handoff.md",
					displayContent: { text: "second line", startLine: 2 },
					contentType: "text/plain",
				},
			},
			{ expanded: false, isPartial: false },
			theme!,
			{ path: "local://handoff.md:2" },
		);

		const rendered = component.render(200).join("\n");
		expect(rendered).toContain("local://handoff.md");
		expect(rendered).toContain(":2");
		expect(extractLinkUris(rendered)).toContain("file:///tmp/omp-local/handoff.md?line=2");
	});

	it("links HTTP read result headers to the final URL", async () => {
		settings.override("tui.hyperlinks", "always");
		const theme = await getThemeByName("dark");
		expect(theme).toBeDefined();

		const component = readToolRenderer.renderResult(
			{
				content: [{ type: "text", text: "---\n\nhello" }],
				details: {
					kind: "url",
					url: "http://example.com/start",
					finalUrl: "http://example.com/final",
					contentType: "text/plain",
					method: "fetch",
					truncated: false,
					notes: [],
				},
			} as never,
			{ expanded: false, isPartial: false },
			theme!,
			{ path: "http://example.com/start" },
		);

		const rendered = component.render(200).join("\n");
		expect(rendered).toContain("example.com /final");
		expect(extractLinkUris(rendered)).toContain("http://example.com/final");
	});
});