import { existsSync, readFileSync } from "fs";
import { resolve } from "path";
import chalk from "chalk";
import { validateSkillContent } from "../lib/validate-skill.js";

export async function validateCommand(
  filePath: string,
  options: { quiet?: boolean }
): Promise<{ valid: boolean }> {
  const absPath = resolve(filePath);

  if (!existsSync(absPath)) {
    console.error(chalk.red(`Error: File not found: ${absPath}`));
    process.exit(1);
  }

  const content = readFileSync(absPath, "utf-8");
  const result = validateSkillContent(content);

  if (!options.quiet) {
    if (result.frontmatter) {
      const fm = result.frontmatter;
      console.log(chalk.bold("\nSkill metadata:"));
      console.log(`  Name:     ${chalk.cyan(fm.name)}`);
      console.log(`  Version:  ${fm.version}`);
      console.log(`  Author:   ${fm.author}`);
      console.log(`  Price:    ${fm.price === 0 ? chalk.green("Free") : `$${(fm.price / 100).toFixed(2)}`}`);
      console.log(`  Tags:     ${fm.tags?.join(", ") || "(none)"}`);
      if (fm.references?.length) {
        console.log(`  References: ${fm.references.length}`);
      }
      if (fm.required_secrets?.length) {
        console.log(`  Required secrets: ${fm.required_secrets.join(", ")}`);
      }
      console.log();
    }

    for (const w of result.warnings) {
      console.log(chalk.yellow(`⚠  ${w}`));
    }

    for (const e of result.errors) {
      console.log(chalk.red(`✗  ${e}`));
    }

    if (result.valid) {
      console.log(chalk.green("✓ Validation passed"));
    } else {
      console.log(chalk.red("\nValidation failed. Fix the errors above and try again."));
    }
  }

  return { valid: result.valid };
}