#!/usr/bin/env bash
set -ex
git checkout ${PREVIOUS_VERSION} || echo 'testing'
npm install
# start

# prepare cli
echo /docs/cli >> .gitignore
sed -i '/"main"/a\  "bin": "lib/cli/index.js",' package.json

npm uninstall
# install deps
npm install --save \
  @yeutech/rollup-documentation-cli \
  yargs \
  execa \
  debug \
  supports-color \
  lodash \
  chalk


# create sample
mkdir -p src/tests
mkdir -p src/cli/tests
mkdir -p src/cli/cmds/tests

cat > src/cli/index.js << EOL
#!/usr/bin/env node
// eslint-disable-next-line no-unused-expressions
require('yargs').commandDir('cmds')
  .demandCommand()
  .help()
  .wrap(100)
  .epilog('Copyright $YEAR. $COMPANY.')
  .argv;
EOL


cat > src/cli/tests/index.test.js << EOL
const path = require('path');
const execa = require('execa');

describe('CLI', () => {
  it('CLI should show help', async () => {
    const { stdout: help } = await execa.shell(\`node \${path.join(__dirname, '../index')} help\`);
    expect(help).toContain('--version');
  });
});

EOL

cat > src/cli/cmds/cli-help.js << EOL
module.exports = require('@yeutech/rollup-documentation-cli');

EOL

cat > src/cli/cmds/tests/cli-help.test.js << EOL
const {
  builder,
  command,
  desc,
  handler,
} = require('../cli-help');

describe('cli-help export', () => {
  it('builder should be defined', () => {
    expect(builder).toBeDefined();
  });
  it('command should be defined', () => {
    expect(command).toBeDefined();
  });
  it('desc should be defined', () => {
    expect(desc).toBeDefined();
  });
  it('handler should be defined', () => {
    expect(handler).toBeDefined();
  });
});

EOL


cat > src/cli/cmds/math.js << EOL
const debug = require('debug')('math');
exports.builder = (yargs) => yargs
  .option('sign', {
    describe: 'Choose a math sign',
    default: '+',
    choices: ['+', '-'],
  });
exports.command = 'math <a> <b>';
exports.desc = 'Discover rollup-umd CLI declination by doing math!';
exports.handler = (argv) => {
  const { a, b } = argv;
  let res;
  // eslint-disable-next-line default-case
  switch (argv.sign) {
    case '+':
      res = a + b;
      break;
    case '-':
      res = a - b;
      break;
  }
  debug(res);
  return res;
};

EOL

cat > src/cli/cmds/tests/math.test.js << EOL
const {
  builder,
  command,
  desc,
  handler,
} = require('../math');

describe('math example', () => {
  it('builder should be defined', () => {
    expect(builder).toBeDefined();
  });
  it('command should be defined', () => {
    expect(command).toBeDefined();
  });
  it('desc should be defined', () => {
    expect(desc).toBeDefined();
  });
  it('handler should be defined', () => {
    expect(handler).toBeDefined();
  });
  it('builder should be called with', () => {
    const yargs = {
      option: jest.fn(),
    };
    builder(yargs);
    expect(yargs.option).toHaveBeenCalledWith('sign', {
      choices: ['+', '-'],
      default: '+',
      describe: 'Choose a math sign',
    });
  });
  it('3 + 5 should be 8', () => {
    expect(handler({ sign: '+', a: 3, b: 5 })).toEqual(8);
  });
  it('3 - 5 should be -2', () => {
    expect(handler({ sign: '-', a: 3, b: 5 })).toEqual(-2);
  });
});

EOL