import { describe, expect, it } from "vitest";
import { OWNED_REPO_DIALECT, REPO_DIALECT } from "#lib/repoQuery.ts";
import { accept, suggest, tokenize } from "#lib/ticketQuery.ts";

const labels = (query: string, caret = query.length) =>
	suggest(query, caret, {}, REPO_DIALECT)?.items.map((item) => item.label) ?? null;

describe("repo query dialect", () => {
	it("knows the repo keys and not the ticket ones", () => {
		const known = (q: string) =>
			tokenize(q, REPO_DIALECT.qualifiers).map((t) => t.kind === "qualifier" && t.known);
		expect(known("language:Go author:alice sort:newest")).toEqual([true, true, true]);
		expect(known("lang:Rust is:open label:bug")).toEqual([false, false, false]);
	});

	it("suggests keys from a typed start", () => {
		expect(labels("la")).toEqual(["language:"]);
		expect(labels("is")).toBeNull();
		expect(labels("kelp ")).toEqual(["language:", "author:", "sort:"]);
	});

	it("leaves author out of an owner's repo list", () => {
		const keys = suggest("kelp ", 5, {}, OWNED_REPO_DIALECT)?.items.map((item) => item.label);
		expect(keys).toEqual(["language:", "sort:"]);
	});

	it("suggests popular languages first and then matching ones", () => {
		expect(labels("language:")!.slice(0, 3)).toEqual(["Go", "JavaScript", "TypeScript"]);
		expect(labels("language:ru")!.slice(0, 2)).toEqual(["Rust", "Ruby"]);
		expect(labels("language:hask")).toContain("Haskell");
		expect(labels("language:Rust,ru")).not.toContain("Rust");
	});

	it("quotes a language with a space when it is accepted", () => {
		const query = "language:jupyter";
		const suggestions = suggest(query, query.length, {}, REPO_DIALECT)!;
		const item = suggestions.items.find((i) => i.label === "Jupyter Notebook")!;
		expect(accept(query, suggestions, item).query).toBe(`language:"Jupyter Notebook" `);
	});

	it("flags empty values and unknown sorts only", () => {
		expect(REPO_DIALECT.problem("language", "")).not.toBeNull();
		expect(REPO_DIALECT.problem("language", "Brainfreeze")).toBeNull();
		expect(REPO_DIALECT.problem("sort", "newest")).toBeNull();
		expect(REPO_DIALECT.problem("sort", "sideways")).not.toBeNull();
	});
});