import { basename } from 'node:path';
import * as p from 'picocolors';
import { getDepsCount } from './get-deps-count';
import { getRecursiveFileList } from './get-recursive-file-list';

export function commandCheck(path = '.') {
  const files = getRecursiveFileList(path).filter((file) => basename(file) === 'package.json');
  const depsCounter = getDepsCount(files);

  const single: string[] = [];
  const multiple: string[] = [];

  Object.keys(depsCounter)
    .sort()
    .map((pkg) => {
      const versions = depsCounter[pkg];
      const versionMap = Object.keys(versions).sort();
      const versionsLength = versionMap.length;

      if (versionsLength === 1) {
        const count = versions[versionMap[0]].length;
        single.push(`${p.green('✔')} ${pkg}@${versionMap[0]} (${count})`);
        return;
      }

      const versionCount: { version: string; count: number }[] = [];
      for (const version of versionMap) {
        versionCount.push({ version, count: versions[version].length });
      }
      versionCount.sort((a, b) => b.count - a.count);

      multiple.push(`${p.yellow('⚠')} ${pkg} has ${versionsLength} versions:`);

      for (const { count, version } of versionCount) {
        multiple.push(`  - ${p.bold(version)} (${count})`);
      }
    });

  for (const string of [...single.sort(), ...multiple]) {
    console.log(string);
  }
}