const assert = require("assert");
const { hasUseSection } = require("../validate-skills");

const samples = [
  ["## When to Use", true],
  ["## Use this skill when", true],
  ["## When to Use This Skill", true],
  ["## Overview", false],
];

for (const [heading, expected] of samples) {
  const content = `\n${heading}\n- item\n`;
  assert.strictEqual(hasUseSection(content), expected, heading);
}

// Regression test for YAML validity in frontmatter (Issue #79)
const fs = require("fs");
const path = require("path");
const { listSkillIds, parseFrontmatter } = require("../../lib/skill-utils");

const SKILLS_DIR = path.join(__dirname, "../../skills");
const skillIds = listSkillIds(SKILLS_DIR);

console.log(`Checking YAML validity for ${skillIds.length} skills...`);

for (const skillId of skillIds) {
  const skillPath = path.join(SKILLS_DIR, skillId, "SKILL.md");
  const content = fs.readFileSync(skillPath, "utf8");
  const { errors, hasFrontmatter } = parseFrontmatter(content);

  if (!hasFrontmatter) {
    console.warn(`[WARN] No frontmatter in ${skillId}`);
    continue;
  }

  assert.strictEqual(
    errors.length,
    0,
    `YAML parse errors in ${skillId}: ${errors.join(", ")}`,
  );
}

console.log("ok");