const assert = require("assert");
const path = require("path");

const tests = [];
const test = (name, fn) => tests.push({ name, fn });

const loadRewrites = async () => {
    const configPath = path.join(__dirname, "..", "..", "next.config.js");
    // eslint-disable-next-line global-require, import/no-dynamic-require
    const nextConfig = require(configPath);
    return nextConfig.rewrites();
};

test("i18n/rewrites include required CY aliases for auth and policy routes", async () => {
    const rewrites = await loadRewrites();

    const requiredPairs = [
        { source: "/awd/mewngofnodi", destination: "/auth/signin" },
        { source: "/awd/mewngofnodi/ebost", destination: "/auth/signin/email" },
        { source: "/awd/gwall", destination: "/auth/error" },
        { source: "/awd/gwirio-cais", destination: "/auth/verify-request" },
        { source: "/preifatrwydd", destination: "/privacy" },
        { source: "/hygyrchedd", destination: "/accessibility" },
        {
            source: "/telerau-ac-amodau",
            destination: "/terms-and-conditions"
        }
    ];

    for (const pair of requiredPairs) {
        const found = rewrites.some(
            (entry) =>
                entry.source === pair.source &&
                entry.destination === pair.destination
        );

        assert.strictEqual(
            found,
            true,
            `Missing required CY rewrite ${pair.source} -> ${pair.destination}`
        );
    }
});

const run = async () => {
    let passed = 0;

    for (const currentTest of tests) {
        await currentTest.fn();
        passed += 1;
    }

    console.log(
        `Phase 22 i18n-route tests passed (${passed}/${tests.length}).`
    );
};

module.exports = run;

if (require.main === module) {
    run().catch((error) => {
        console.error(error);
        process.exit(1);
    });
}