import test from "node:test";
import assert from "node:assert/strict";

import { buildOembedUrl } from "../src/oembed.js";
import { findProvider, flattenProviders, wildcardToRegExp } from "../src/providers.js";

test("wildcard provider schemes match target URLs", () => {
  const regex = wildcardToRegExp("https://*.example.com/watch*");

  assert.equal(regex.test("https://video.example.com/watch?v=abc"), true);
  assert.equal(regex.test("https://example.org/watch?v=abc"), false);
});

test("flattens providers and finds a matching provider", () => {
  const providers = flattenProviders([
    {
      provider_name: "Example",
      provider_url: "https://example.com",
      endpoints: [
        {
          schemes: ["https://*.example.com/watch*"],
          url: "https://example.com/oembed.{format}",
        },
      ],
    },
  ]);

  const provider = findProvider("https://video.example.com/watch?id=1", providers);

  assert.equal(provider.providerName, "Example");
  assert.equal(provider.endpoint, "https://example.com/oembed.json");
});

test("builds oEmbed provider request URLs", () => {
  const url = buildOembedUrl("https://example.com/oembed", "https://video.example.com/watch?id=1", 500, 480);

  assert.equal(url.searchParams.get("url"), "https://video.example.com/watch?id=1");
  assert.equal(url.searchParams.get("format"), "json");
  assert.equal(url.searchParams.get("maxwidth"), "500");
  assert.equal(url.searchParams.get("maxheight"), "480");
});

test("caps all oEmbed maxwidth values to 500", () => {
  const url = buildOembedUrl("https://example.com/oembed", "https://video.example.com/watch?id=1", 1280);

  assert.equal(url.searchParams.get("maxwidth"), "500");
});