import assert from "node:assert/strict";
import { describe, it } from "node:test";
import {
  isValidColorValue,
  splitInlineShortcodes,
} from "./inlineShortcodes.ts";

describe("isValidColorValue", () => {
  it("放行 #hex 与英文颜色名", () => {
    assert.equal(isValidColorValue("#e03131"), true);
    assert.equal(isValidColorValue("#FFF"), true);
    assert.equal(isValidColorValue("#ffffffff"), true);
    assert.equal(isValidColorValue("tomato"), true);
  });
  it("拒绝注入向量与非法值", () => {
    assert.equal(isValidColorValue("url(https://evil)", ), false);
    assert.equal(isValidColorValue("red;padding:0"), false);
    assert.equal(isValidColorValue("#GGG"), false);
    assert.equal(isValidColorValue(""), false);
  });
});

describe("splitInlineShortcodes", () => {
  it("无短代码时返回 null", () => {
    assert.equal(splitInlineShortcodes("普通文本 == 未闭合 [kbd]未闭合"), null);
  });

  it("==高亮==", () => {
    assert.deepEqual(splitInlineShortcodes("前==高亮==后"), [
      { type: "text", value: "前" },
      { type: "mark", value: "高亮" },
      { type: "text", value: "后" },
    ]);
  });

  it("[kbd]", () => {
    assert.deepEqual(splitInlineShortcodes("[kbd]Ctrl+C[/kbd]"), [
      { type: "kbd", value: "Ctrl+C" },
    ]);
  });

  it("[color=前景] 与 [bg=背景]", () => {
    assert.deepEqual(splitInlineShortcodes("[color=#e03131]红字[/color]"), [
      { type: "color", value: "红字", fg: "#e03131" },
    ]);
    assert.deepEqual(splitInlineShortcodes("[bg=#fff3bf]黄底[/bg]"), [
      { type: "color", value: "黄底", bg: "#fff3bf" },
    ]);
  });

  it("[color=前景 bg=背景] 组合", () => {
    assert.deepEqual(splitInlineShortcodes("[color=#fff bg=#c92a2a]白字红底[/color]"), [
      { type: "color", value: "白字红底", fg: "#fff", bg: "#c92a2a" },
    ]);
  });

  it("非法颜色整段回退为原文（返回 null 表示无需改写）", () => {
    assert.equal(splitInlineShortcodes("[color=url(https://evil)]x[/color]"), null);
    assert.equal(splitInlineShortcodes("[bg=red;padding:0]x[/bg]"), null);
  });

  it("未闭合标记保持字面", () => {
    assert.equal(splitInlineShortcodes("[color=#fff]未闭合"), null);
  });

  it("混合片段按顺序拆分", () => {
    assert.deepEqual(splitInlineShortcodes("a==b==[kbd]C[/kbd]d"), [
      { type: "text", value: "a" },
      { type: "mark", value: "b" },
      { type: "kbd", value: "C" },
      { type: "text", value: "d" },
    ]);
  });

  it("大小写不敏感", () => {
    assert.deepEqual(splitInlineShortcodes("[KBD]Esc[/KBD]"), [
      { type: "kbd", value: "Esc" },
    ]);
  });
});