// @ts-check
'use strict';

const fs = require('node:fs');
const path = require('node:path');
const { expect } = require('chai');
const temp = require('temp');
const { unpack, adjustArchiveStructure } = require('../scripts/archive');

describe('archive', () => {
  describe('adjustArchiveStructure', () => {
    let tracked;
    let originalLog;
    before(() => {
      tracked = temp.track();
      originalLog = console.log;
      console.log = () => {
        /*NOOP*/
      };
    });

    after(() => {
      if (originalLog) {
        console.log = originalLog;
      }
    });

    afterEach(() => {
      tracked.cleanupSync();
    });

    it('should reject when not a zip file', async () => {
      try {
        const invalid = path.join(__dirname, 'test-resources', 'not-a-zip.dmg');
        await adjustArchiveStructure(invalid, tracked.mkdirSync());
        throw new Error('Expected a rejection');
      } catch (e) {
        expect(e).to.be.an.instanceOf(Error);
        expect(e.message).to.be.equal('Expected a ZIP file.');
      }
    });

    it('should reject when target directory does not exist', async () => {
      try {
        const zip = path.join(
          __dirname,
          'test-resources',
          'zip-with-base-folder.zip'
        );
        await adjustArchiveStructure(
          zip,
          path.join(__dirname, 'some', 'missing', 'path')
        );
        throw new Error('Expected a rejection');
      } catch (e) {
        expect(e).to.be.an.instanceOf(Error);
        expect(e.message.endsWith('does not exist.')).to.be.true;
      }
    });

    it('should reject when target is a file', async () => {
      try {
        const zip = path.join(
          __dirname,
          'test-resources',
          'zip-with-base-folder.zip'
        );
        await adjustArchiveStructure(zip, path.join(__filename));
        throw new Error('Expected a rejection');
      } catch (e) {
        expect(e).to.be.an.instanceOf(Error);
        expect(e.message.endsWith('is not a directory.')).to.be.true;
      }
    });

    it('should be a NOOP when the zip already has the desired base folder', async () => {
      const zip = path.join(
        __dirname,
        'test-resources',
        'zip-with-base-folder.zip'
      );
      const actual = await adjustArchiveStructure(zip, tracked.mkdirSync());
      expect(actual).to.be.equal(zip);
    });

    it('should handle whitespace in file path gracefully', async () => {
      const zip = path.join(
        __dirname,
        'test-resources',
        'zip with whitespace.zip'
      );
      const out = tracked.mkdirSync();
      const actual = await adjustArchiveStructure(zip, out, true);
      expect(actual).to.be.equal(path.join(out, 'zip with whitespace.zip'));
      console.log(actual);
      expect(fs.existsSync(actual)).to.be.true;

      const verifyOut = tracked.mkdirSync();
      await unpack(actual, verifyOut);

      const root = path.join(verifyOut, 'zip with whitespace');
      expect(fs.existsSync(root)).to.be.true;
      expect(fs.lstatSync(root).isDirectory()).to.be.true;
      const subs = fs.readdirSync(root);
      expect(subs).to.have.lengthOf(3);
      expect(subs.sort()).to.be.deep.equal(['a.txt', 'b.txt', 'foo']);
    });

    it('should keep the symlinks after ZIP adjustments', async function () {
      if (process.platform === 'win32') {
        this.skip();
      }
      const zip = path.join(
        __dirname,
        'test-resources',
        'zip-with-symlink.zip'
      );
      const out = tracked.mkdirSync();
      const actual = await adjustArchiveStructure(zip, out, true);
      expect(actual).to.be.equal(path.join(out, 'zip-with-symlink.zip'));
      console.log(actual);
      expect(fs.existsSync(actual)).to.be.true;

      const verifyOut = tracked.mkdirSync();
      await unpack(actual, verifyOut);
      expect(
        fs
          .lstatSync(
            path.join(verifyOut, 'zip-with-symlink', 'folder', 'symlinked-sub')
          )
          .isSymbolicLink()
      ).to.be.true;
    });

    it('should adjust the archive structure if base folder is not present', async () => {
      const zip = path.join(
        __dirname,
        'test-resources',
        'zip-without-symlink.zip'
      );
      const out = tracked.mkdirSync();
      const actual = await adjustArchiveStructure(zip, out, true);
      expect(actual).to.be.equal(path.join(out, 'zip-without-symlink.zip'));
      console.log(actual);
      expect(fs.existsSync(actual)).to.be.true;

      const verifyOut = tracked.mkdirSync();
      await unpack(actual, verifyOut);

      const root = path.join(verifyOut, 'zip-without-symlink');
      expect(fs.existsSync(root)).to.be.true;
      expect(fs.lstatSync(root).isDirectory()).to.be.true;
      const subs = fs.readdirSync(root);
      expect(subs).to.have.lengthOf(3);
      expect(subs.sort()).to.be.deep.equal(['a.txt', 'b.txt', 'foo']);
    });
  });
});