import assert from "node:assert/strict";
import { describe, it } from "node:test";
import {
  announcementPath,
  entityPath,
  leaderboardPath,
  matchPrettyPath,
  matchStandardPath,
  normalizeUrlStyle,
  pagePath,
  parseEntityPath,
  postPath,
  userPath,
} from "./urlStyle.ts";

describe("normalizeUrlStyle", () => {
  it("合法值与容错", () => {
    assert.equal(normalizeUrlStyle("default"), "default");
    assert.equal(normalizeUrlStyle(" HTML "), "html");
    assert.equal(normalizeUrlStyle("DISCUZ"), "discuz");
    assert.equal(normalizeUrlStyle("pretty"), "default");
    assert.equal(normalizeUrlStyle(undefined), "default");
    assert.equal(normalizeUrlStyle(42), "default");
  });
});

describe("路径构造器", () => {
  it("三风格帖子路径", () => {
    assert.equal(postPath("default", 123), "/post/123");
    assert.equal(postPath("html", 123), "/post-123.html");
    assert.equal(postPath("discuz", 123), "/thread-123.html");
  });
  it("三风格用户路径", () => {
    assert.equal(userPath("default", 5), "/u/5");
    assert.equal(userPath("html", 5), "/user-5.html");
    assert.equal(userPath("discuz", 5), "/space-uid-5.html");
  });
  it("三风格公告路径", () => {
    assert.equal(announcementPath("default", 1), "/announcement/1");
    assert.equal(announcementPath("html", 1), "/announcement-1.html");
    assert.equal(announcementPath("discuz", 1), "/notice-1.html");
  });
  it("非法 id 返回空串", () => {
    assert.equal(postPath("default", 0), "");
    assert.equal(postPath("html", -1), "");
    assert.equal(userPath("discuz", Number.NaN), "");
  });
  it("自建页三风格并编码 slug", () => {
    assert.equal(pagePath("default", "about"), "/p/about");
    assert.equal(pagePath("html", "about"), "/p-about.html");
    assert.equal(pagePath("discuz", "使用指南"), `/page-${encodeURIComponent("使用指南")}.html`);
    assert.equal(pagePath("html", "使用指南"), `/p-${encodeURIComponent("使用指南")}.html`);
    assert.equal(pagePath("default", "  "), "/p/");
  });
  it("排行榜三风格", () => {
    assert.equal(leaderboardPath("default"), "/leaderboard");
    assert.equal(leaderboardPath("html"), "/leaderboard.html");
    assert.equal(leaderboardPath("discuz"), "/rank.html");
  });
  it("entityPath 与标准路径", () => {
    assert.equal(entityPath("discuz", "post", 9), "/thread-9.html");
    assert.equal(entityPath("default", "user", 9), "/u/9");
    assert.equal(entityPath("html", "announcement", 9), "/announcement-9.html");
  });
});

describe("matchPrettyPath", () => {
  it("命中各风格模板", () => {
    assert.deepEqual(matchPrettyPath("/post-12.html"), { style: "html", kind: "post", id: 12 });
    assert.deepEqual(matchPrettyPath("/user-3.html"), { style: "html", kind: "user", id: 3 });
    assert.deepEqual(matchPrettyPath("/announcement-7.html"), { style: "html", kind: "announcement", id: 7 });
    assert.deepEqual(matchPrettyPath("/thread-12.html"), { style: "discuz", kind: "post", id: 12 });
    assert.deepEqual(matchPrettyPath("/space-uid-3.html"), { style: "discuz", kind: "user", id: 3 });
    assert.deepEqual(matchPrettyPath("/notice-7.html"), { style: "discuz", kind: "announcement", id: 7 });
    assert.deepEqual(matchPrettyPath("/p-about.html"), { style: "html", kind: "page", slug: "about" });
    assert.deepEqual(matchPrettyPath("/leaderboard.html"), { style: "html", kind: "leaderboard" });
    assert.deepEqual(matchPrettyPath("/rank.html"), { style: "discuz", kind: "leaderboard" });
  });
  it("page slug 保持 encoded 原样", () => {
    const enc = encodeURIComponent("使用指南");
    assert.deepEqual(matchPrettyPath(`/page-${enc}.html`), { style: "discuz", kind: "page", slug: enc });
    assert.deepEqual(matchPrettyPath(`/p-${enc}.html`), { style: "html", kind: "page", slug: enc });
  });
  it("排除子路径与伪造路径", () => {
    assert.equal(matchPrettyPath("/post/12"), null);
    assert.equal(matchPrettyPath("/post/12/edit"), null);
    assert.equal(matchPrettyPath("/post-abc.html"), null);
    assert.equal(matchPrettyPath("/thread-12.htmlx"), null);
    assert.equal(matchPrettyPath("/thread-12.html/edit"), null);
    assert.equal(matchPrettyPath("/thread--12.html"), null);
    assert.equal(matchPrettyPath("/post.html"), null);
    assert.equal(matchPrettyPath("/p-.html"), null);
    assert.equal(matchPrettyPath("/leaderboardx.html"), null);
    assert.equal(matchPrettyPath("/rank.htmlx"), null);
    assert.equal(matchPrettyPath("/rank"), null);
  });
});

describe("matchStandardPath / parseEntityPath", () => {
  it("标准路径精确匹配", () => {
    assert.deepEqual(matchStandardPath("/post/12"), { kind: "post", id: 12 });
    assert.deepEqual(matchStandardPath("/u/5"), { kind: "user", id: 5 });
    assert.deepEqual(matchStandardPath("/announcement/7"), { kind: "announcement", id: 7 });
    assert.deepEqual(matchStandardPath("/p/about"), { kind: "page", slug: "about" });
    assert.deepEqual(matchStandardPath("/leaderboard"), { kind: "leaderboard" });
    assert.deepEqual(matchStandardPath("/leaderboard/"), { kind: "leaderboard" });
    assert.equal(matchStandardPath("/post/12/edit"), null);
    assert.equal(matchStandardPath("/post/abc"), null);
    assert.equal(matchStandardPath("/u/5/followers"), null);
    assert.equal(matchStandardPath("/p/"), null);
    assert.equal(matchStandardPath("/p/a/b"), null);
  });
  it("parseEntityPath 兼容标准与全部模板", () => {
    assert.deepEqual(parseEntityPath("/post/12"), { kind: "post", id: 12 });
    assert.deepEqual(parseEntityPath("/thread-12.html"), { kind: "post", id: 12 });
    assert.deepEqual(parseEntityPath("/post-12.html"), { kind: "post", id: 12 });
    assert.deepEqual(parseEntityPath("/space-uid-5.html"), { kind: "user", id: 5 });
    assert.deepEqual(parseEntityPath("/p/about"), { kind: "page", slug: "about" });
    assert.deepEqual(parseEntityPath("/p-about.html"), { kind: "page", slug: "about" });
    assert.deepEqual(parseEntityPath(`/page-${encodeURIComponent("使用指南")}.html`), {
      kind: "page",
      slug: "使用指南",
    });
    assert.deepEqual(parseEntityPath("/rank.html"), { kind: "leaderboard" });
    assert.equal(parseEntityPath("/chat/5"), null);
    assert.equal(parseEntityPath("/"), null);
  });
});