meta {
  name: sign
  type: http
  seq: 1
}

post {
  url: {{host}}/api/echo
  body: none
  auth: inherit
}

script:pre-request {
  const jwt = require('jsonwebtoken');
  
  const payload = {
    userId: 123,
    username: 'testuser',
    role: 'admin',
    iat: Math.floor(Date.now() / 1000)
  };
  
  const secret = bru.getEnvVar('secret');
  
  const options = {
    algorithm: 'HS256',
    expiresIn: '1h'
  };
  
  try {
    console.log('Testing JWT encoding...');
    const token = jwt.sign(payload, secret, options);
    
    console.log('JWT Token encoded successfully:', token);
    
    bru.setEnvVar('jwt_token', token);
    
    bru.setEnvVar('original_payload', JSON.stringify(payload));
    
    console.log('JWT encoding test passed!');
    
  } catch (error) {
    console.error('JWT encoding failed:', error.message);
    throw error;
  }
}

tests {
  const atob = require('atob')
  
  test("JWT token should be generated", function() {
    const jwtToken = bru.getEnvVar('jwt_token');
    expect(jwtToken).to.exist;
  });
  
  test("JWT token should be a string", function() {
    const jwtToken = bru.getEnvVar('jwt_token');
    expect(typeof jwtToken).to.equal('string');
  });
  
  test("JWT token should have 3 parts (header.payload.signature)", function() {
    const jwtToken = bru.getEnvVar('jwt_token');
    const parts = jwtToken.split('.');
    expect(parts.length).to.equal(3);
  });
  
  test("JWT token should be valid base64", function() {
    const jwtToken = bru.getEnvVar('jwt_token');
    const parts = jwtToken.split('.');
    
    // Test that each part is valid base64
    parts.forEach((part, index) => {
      try {
        atob(part);
      } catch (e) {
        throw new Error(`JWT part ${index + 1} is not valid base64`);
      }
    });
  });
  
  test("JWT token should contain expected payload data", function() {
    const jwtToken = bru.getEnvVar('jwt_token');
    const originalPayload = JSON.parse(bru.getEnvVar('original_payload'));
    
    // Decode the payload part (second part of JWT)
    const parts = jwtToken.split('.');
    const payloadPart = parts[1];
    const decodedPayload = JSON.parse(atob(payloadPart));
    console.log(decodedPayload)
    
    expect(decodedPayload.userId).to.equal(originalPayload.userId);
    expect(decodedPayload.username).to.equal(originalPayload.username);
    expect(decodedPayload.role).to.equal(originalPayload.role);
  });
  
  test("JWT token should have proper header", function() {
    const jwtToken = bru.getEnvVar('jwt_token');
    const parts = jwtToken.split('.');
    const headerPart = parts[0];
    const header = JSON.parse(atob(headerPart));
    
    expect(header.alg).to.equal('HS256');
    expect(header.typ).to.equal('JWT');
  });
}

settings {
  encodeUrl: true
}