import { describe, expect, it } from "bun:test";
import { sanitizeText } from "@oh-my-pi/pi-natives";
import { getThemeByName } from "../../src/modes/theme/theme";
import { grepToolRenderer } from "../../src/tools/grep";

describe("grepToolRenderer", () => {
	it("keeps summary and truncation rows inside the collapsed line budget", async () => {
		const theme = await getThemeByName("dark");
		expect(theme).toBeDefined();
		const uiTheme = theme!;

		const result = {
			content: [
				{
					type: "text",
					text: ["alpha:1", "alpha:2", "", "beta:1", "beta:2", "", "gamma:1", "gamma:2"].join("\n"),
				},
			],
			details: {
				matchCount: 6,
				fileCount: 3,
				meta: {
					limits: {
						matchLimit: { reached: 6 },
					},
				},
			},
		};

		const collapsed = grepToolRenderer.renderResult(result as never, { expanded: false, isPartial: false }, uiTheme, {
			pattern: "needle",
		});
		const renderedLines = sanitizeText(collapsed.render(200).join("\n")).split("\n");
		const bodyLines = renderedLines.slice(1);

		expect(bodyLines).toHaveLength(6);
		expect(bodyLines.at(-1)).toContain("truncated: limit 6 matches");
		expect(bodyLines.some(line => line.includes("1 more match"))).toBe(true);
		expect(bodyLines.some(line => line.includes("gamma:1"))).toBe(false);
	});
});