/**
 * Unit tests for the Jira / Confluence / GitLab REST helpers.
 * The lib modules are pure (no pi API), so we inject a mocked `fetchImpl`.
 * Run with:  node --experimental-strip-types test/api.test.ts
 */
process.env.PI_KIT_AUDIT_OFF = "1";
process.env.JIRA_TOKEN = "t-jira";
process.env.CONFLUENCE_TOKEN = "t-conf";
process.env.GITLAB_TOKEN = "t-glab";

import { buildUrl, requireToken, ApiError } from "../extensions/lib/atlassian.ts";
import { jiraBaseUrl, issueGet } from "../extensions/lib/jira.ts";
import { gitlabBaseUrl, projectId } from "../extensions/lib/gitlab.ts";
import { confluenceBaseUrl } from "../extensions/lib/confluence.ts";

let fails = 0;
function check(name: string, cond: boolean) {
	console.log(`${cond ? "PASS" : "FAIL"}  ${name}`);
	if (!cond) fails++;
}

function okFetch(jsonBody: unknown): typeof fetch {
	return (async () => ({
		ok: true,
		status: 200,
		json: async () => jsonBody,
	})) as any;
}

async function main() {
	// --- atlassian helpers ---
	check("buildUrl: appends query, drops empties", buildUrl("https://x/", "/a", { q: "1", e: undefined }) === "https://x/a?q=1");
	check("buildUrl: no query when none", buildUrl("https://x", "/a") === "https://x/a");
	check("requireToken: returns value", requireToken("JIRA_TOKEN", "h") === "t-jira");
	check("requireToken: throws on missing", (() => {
		try { requireToken("NO_SUCH_VAR_ZZZ", "h"); return false; } catch (e) { return e instanceof ApiError; }
	})());

	// --- config resolution (needs a real company.json present) ---
	check("jiraBaseUrl resolves", typeof jiraBaseUrl() === "string" && jiraBaseUrl() !== "");
	check("gitlabBaseUrl ends with api/v4", gitlabBaseUrl().endsWith("/api/v4"));
	check("confluenceBaseUrl resolves", typeof confluenceBaseUrl() === "string" && confluenceBaseUrl() !== "");

	// --- gitlab project id encoding ---
	check("projectId encodes namespaces", projectId("grp/repo") === "grp%2Frepo");
	check("projectId passes through numeric id", projectId("42") === "42");

	// --- issueGet through a mocked fetch (field mapping) ---
	const issueUrl = await issueGetByKey("PROJ-123");
	check("issueGet hits /rest/api/2/issue/<key>", issueUrl.includes("/rest/api/2/issue/"));

	console.log(fails === 0 ? "\nALL PASS" : `\n${fails} FAILED`);
	process.exit(fails === 0 ? 0 : 1);
}

async function issueGetByKey(key: string): Promise<string> {
	// Capture the URL by injecting a mocked fetch into the issueGet call path.
	// We temporarily swap global.fetch.
	const realFetch = globalThis.fetch;
	let captured = "";
	globalThis.fetch = (async (input: any) => {
		captured = String(input);
		return { ok: true, status: 200, json: async () => ({ key, fields: { summary: "s", status: { name: "Done" } } }) };
	}) as any;
	try {
		await issueGet(key);
	} finally {
		globalThis.fetch = realFetch;
	}
	return captured;
}

main();