import { assertEquals } from "https://deno.land/std@0.224.0/assert/mod.ts";
import {
  countryFlag,
  getSoftwareConfig,
  getTrackedSoftware,
  PDS_SOFTWARE_REGISTRY,
} from "./constants.ts";

Deno.test("countryFlag returns correct emoji for country codes", () => {
  assertEquals(countryFlag("US"), "\u{1F1FA}\u{1F1F8}");
  assertEquals(countryFlag("NL"), "\u{1F1F3}\u{1F1F1}");
  assertEquals(countryFlag("DE"), "\u{1F1E9}\u{1F1EA}");
});

Deno.test("countryFlag handles lowercase input", () => {
  assertEquals(countryFlag("us"), countryFlag("US"));
});

// --- PDS Software Registry tests ---

Deno.test("getSoftwareConfig returns config for known IDs", () => {
  const bsky = getSoftwareConfig("bluesky-pds");
  assertEquals(bsky?.displayName, "Bluesky PDS");
  assertEquals(bsky?.githubOwner, "bluesky-social");

  const milli = getSoftwareConfig("millipds");
  assertEquals(milli?.displayName, "millipds");

  const tranquil = getSoftwareConfig("tranquil");
  assertEquals(tranquil?.displayName, "Tranquil");
});

Deno.test("getSoftwareConfig returns undefined for unknown ID", () => {
  assertEquals(getSoftwareConfig("nonexistent"), undefined);
});

Deno.test("getTrackedSoftware returns only entries with GitHub info", () => {
  const tracked = getTrackedSoftware();
  for (const sw of tracked) {
    assertEquals(typeof sw.githubOwner, "string");
    assertEquals(typeof sw.githubRepo, "string");
    assertEquals(typeof sw.parseVersion, "function");
  }
  // Link-only entries should not be included
  const ids = tracked.map((s) => s.id);
  assertEquals(ids.includes("tranquil"), false);
  assertEquals(ids.includes("hexpds"), false);
  assertEquals(ids.includes("picopds"), false);
  // Tracked entries should be included
  assertEquals(ids.includes("bluesky-pds"), true);
  assertEquals(ids.includes("millipds"), true);
  assertEquals(ids.includes("cirrus"), true);
  assertEquals(ids.includes("cocoon"), true);
});

// --- parseVersion tests ---

Deno.test("bluesky-pds parseVersion handles valid tags", () => {
  const sw = getSoftwareConfig("bluesky-pds")!;
  assertEquals(sw.parseVersion!("v0.4.74"), "0.4.74");
  assertEquals(sw.parseVersion!("v1.0.0"), "1.0.0");
});

Deno.test("bluesky-pds parseVersion rejects invalid tags", () => {
  const sw = getSoftwareConfig("bluesky-pds")!;
  assertEquals(sw.parseVersion!("0.4.74"), null);
  assertEquals(sw.parseVersion!("v0.4"), null);
  assertEquals(sw.parseVersion!("release-1.0"), null);
  assertEquals(sw.parseVersion!("@getcirrus/pds@0.10.4"), null);
});

Deno.test("millipds parseVersion handles valid tags", () => {
  const sw = getSoftwareConfig("millipds")!;
  assertEquals(sw.parseVersion!("v0.0.5"), "0.0.5");
  assertEquals(sw.parseVersion!("v1.2.3"), "1.2.3");
});

Deno.test("millipds parseVersion rejects invalid tags", () => {
  const sw = getSoftwareConfig("millipds")!;
  assertEquals(sw.parseVersion!("0.0.5"), null);
  assertEquals(sw.parseVersion!("release-0.0.5"), null);
});

Deno.test("cirrus parseVersion handles scoped tags", () => {
  const sw = getSoftwareConfig("cirrus")!;
  assertEquals(sw.parseVersion!("@getcirrus/pds@0.10.4"), "0.10.4");
  assertEquals(sw.parseVersion!("@getcirrus/pds@1.0.0"), "1.0.0");
});

Deno.test("cirrus parseVersion rejects non-matching tags", () => {
  const sw = getSoftwareConfig("cirrus")!;
  assertEquals(sw.parseVersion!("v0.10.4"), null);
  assertEquals(sw.parseVersion!("0.10.4"), null);
  assertEquals(sw.parseVersion!("@getcirrus/other@0.10.4"), null);
});

Deno.test("cocoon parseVersion handles valid tags", () => {
  const sw = getSoftwareConfig("cocoon")!;
  assertEquals(sw.parseVersion!("v0.8.5"), "0.8.5");
  assertEquals(sw.parseVersion!("v2.0.0"), "2.0.0");
});

Deno.test("cocoon parseVersion rejects invalid tags", () => {
  const sw = getSoftwareConfig("cocoon")!;
  assertEquals(sw.parseVersion!("0.8.5"), null);
  assertEquals(sw.parseVersion!("cocoon-v0.8.5"), null);
});

Deno.test("all registry entries have required fields", () => {
  for (const sw of PDS_SOFTWARE_REGISTRY) {
    assertEquals(typeof sw.id, "string");
    assertEquals(sw.id.length > 0, true);
    assertEquals(typeof sw.displayName, "string");
    assertEquals(typeof sw.projectUrl, "string");
    assertEquals(sw.projectUrl.startsWith("http"), true);
  }
});