import { expect, tap } from '@git.zone/tstest/tapbundle';
import { SmartRegistry } from '../ts/index.js';
import {
  createTestRegistry,
  createTestTokens,
  createTestPom,
  createTestJar,
  calculateMavenChecksums,
} from './helpers/registry.js';

let registry: SmartRegistry;
let mavenToken: string;
let userId: string;

// Test data
const testGroupId = 'com.example.test';
const testArtifactId = 'test-artifact';
const testVersion = '1.0.0';
const testJarData = createTestJar();
const testPomData = Buffer.from(
  createTestPom(testGroupId, testArtifactId, testVersion),
  'utf-8'
);

tap.test('Maven: should create registry instance', async () => {
  registry = await createTestRegistry();
  const tokens = await createTestTokens(registry);
  mavenToken = tokens.mavenToken;
  userId = tokens.userId;

  expect(registry).toBeInstanceOf(SmartRegistry);
  expect(mavenToken).toBeTypeOf('string');

  // Clean up any existing metadata from previous test runs
  const storage = registry.getStorage();
  try {
    await storage.deleteMavenMetadata(testGroupId, testArtifactId);
  } catch (error) {
    // Ignore error if metadata doesn't exist
  }
});

tap.test('Maven: should upload POM file (PUT /{groupPath}/{artifactId}/{version}/*.pom)', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const pomFilename = `${testArtifactId}-${testVersion}.pom`;

  const response = await registry.handleRequest({
    method: 'PUT',
    path: `/maven/${groupPath}/${testArtifactId}/${testVersion}/${pomFilename}`,
    headers: {
      Authorization: `Bearer ${mavenToken}`,
      'Content-Type': 'application/xml',
    },
    query: {},
    body: testPomData,
  });

  expect(response.status).toEqual(201);
});

tap.test('Maven: should upload JAR file (PUT /{groupPath}/{artifactId}/{version}/*.jar)', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const jarFilename = `${testArtifactId}-${testVersion}.jar`;

  const response = await registry.handleRequest({
    method: 'PUT',
    path: `/maven/${groupPath}/${testArtifactId}/${testVersion}/${jarFilename}`,
    headers: {
      Authorization: `Bearer ${mavenToken}`,
      'Content-Type': 'application/java-archive',
    },
    query: {},
    body: testJarData,
  });

  expect(response.status).toEqual(201);
});

tap.test('Maven: should retrieve uploaded POM file (GET)', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const pomFilename = `${testArtifactId}-${testVersion}.pom`;

  const response = await registry.handleRequest({
    method: 'GET',
    path: `/maven/${groupPath}/${testArtifactId}/${testVersion}/${pomFilename}`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(200);
  expect(response.body).toBeInstanceOf(Buffer);
  expect((response.body as Buffer).toString('utf-8')).toContain(testGroupId);
  expect((response.body as Buffer).toString('utf-8')).toContain(testArtifactId);
  expect((response.body as Buffer).toString('utf-8')).toContain(testVersion);
  expect(response.headers['Content-Type']).toEqual('application/xml');
});

tap.test('Maven: should retrieve uploaded JAR file (GET)', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const jarFilename = `${testArtifactId}-${testVersion}.jar`;

  const response = await registry.handleRequest({
    method: 'GET',
    path: `/maven/${groupPath}/${testArtifactId}/${testVersion}/${jarFilename}`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(200);
  expect(response.body).toBeInstanceOf(Buffer);
  expect(response.headers['Content-Type']).toEqual('application/java-archive');
});

tap.test('Maven: should retrieve MD5 checksum for JAR (GET *.jar.md5)', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const jarFilename = `${testArtifactId}-${testVersion}.jar`;
  const checksums = calculateMavenChecksums(testJarData);

  const response = await registry.handleRequest({
    method: 'GET',
    path: `/maven/${groupPath}/${testArtifactId}/${testVersion}/${jarFilename}.md5`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(200);
  expect(response.body).toBeInstanceOf(Buffer);
  expect((response.body as Buffer).toString('utf-8')).toEqual(checksums.md5);
  expect(response.headers['Content-Type']).toEqual('text/plain');
});

tap.test('Maven: should retrieve SHA1 checksum for JAR (GET *.jar.sha1)', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const jarFilename = `${testArtifactId}-${testVersion}.jar`;
  const checksums = calculateMavenChecksums(testJarData);

  const response = await registry.handleRequest({
    method: 'GET',
    path: `/maven/${groupPath}/${testArtifactId}/${testVersion}/${jarFilename}.sha1`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(200);
  expect(response.body).toBeInstanceOf(Buffer);
  expect((response.body as Buffer).toString('utf-8')).toEqual(checksums.sha1);
  expect(response.headers['Content-Type']).toEqual('text/plain');
});

tap.test('Maven: should retrieve SHA256 checksum for JAR (GET *.jar.sha256)', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const jarFilename = `${testArtifactId}-${testVersion}.jar`;
  const checksums = calculateMavenChecksums(testJarData);

  const response = await registry.handleRequest({
    method: 'GET',
    path: `/maven/${groupPath}/${testArtifactId}/${testVersion}/${jarFilename}.sha256`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(200);
  expect(response.body).toBeInstanceOf(Buffer);
  expect((response.body as Buffer).toString('utf-8')).toEqual(checksums.sha256);
  expect(response.headers['Content-Type']).toEqual('text/plain');
});

tap.test('Maven: should retrieve SHA512 checksum for JAR (GET *.jar.sha512)', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const jarFilename = `${testArtifactId}-${testVersion}.jar`;
  const checksums = calculateMavenChecksums(testJarData);

  const response = await registry.handleRequest({
    method: 'GET',
    path: `/maven/${groupPath}/${testArtifactId}/${testVersion}/${jarFilename}.sha512`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(200);
  expect(response.body).toBeInstanceOf(Buffer);
  expect((response.body as Buffer).toString('utf-8')).toEqual(checksums.sha512);
  expect(response.headers['Content-Type']).toEqual('text/plain');
});

tap.test('Maven: should retrieve maven-metadata.xml (GET)', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');

  const response = await registry.handleRequest({
    method: 'GET',
    path: `/maven/${groupPath}/${testArtifactId}/maven-metadata.xml`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(200);
  expect(response.body).toBeInstanceOf(Buffer);
  const xml = (response.body as Buffer).toString('utf-8');
  expect(xml).toContain('<groupId>');
  expect(xml).toContain('<artifactId>');
  expect(xml).toContain('<version>1.0.0</version>');
  expect(xml).toContain('<latest>1.0.0</latest>');
  expect(xml).toContain('<release>1.0.0</release>');
  expect(response.headers['Content-Type']).toEqual('application/xml');
});

tap.test('Maven: should upload a second version and update metadata', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const newVersion = '2.0.0';
  const pomFilename = `${testArtifactId}-${newVersion}.pom`;
  const jarFilename = `${testArtifactId}-${newVersion}.jar`;
  const newPomData = Buffer.from(
    createTestPom(testGroupId, testArtifactId, newVersion),
    'utf-8'
  );

  // Upload POM
  await registry.handleRequest({
    method: 'PUT',
    path: `/maven/${groupPath}/${testArtifactId}/${newVersion}/${pomFilename}`,
    headers: {
      Authorization: `Bearer ${mavenToken}`,
      'Content-Type': 'application/xml',
    },
    query: {},
    body: newPomData,
  });

  // Upload JAR
  await registry.handleRequest({
    method: 'PUT',
    path: `/maven/${groupPath}/${testArtifactId}/${newVersion}/${jarFilename}`,
    headers: {
      Authorization: `Bearer ${mavenToken}`,
      'Content-Type': 'application/java-archive',
    },
    query: {},
    body: testJarData,
  });

  // Retrieve metadata and verify both versions are present
  const response = await registry.handleRequest({
    method: 'GET',
    path: `/maven/${groupPath}/${testArtifactId}/maven-metadata.xml`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(200);
  const xml = (response.body as Buffer).toString('utf-8');
  expect(xml).toContain('<version>1.0.0</version>');
  expect(xml).toContain('<version>2.0.0</version>');
  expect(xml).toContain('<latest>2.0.0</latest>');
  expect(xml).toContain('<release>2.0.0</release>');
});

tap.test('Maven: should upload WAR file with correct content type', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const warVersion = '1.0.0-war';
  const warFilename = `${testArtifactId}-${warVersion}.war`;
  const warData = Buffer.from('fake war content', 'utf-8');

  const response = await registry.handleRequest({
    method: 'PUT',
    path: `/maven/${groupPath}/${testArtifactId}/${warVersion}/${warFilename}`,
    headers: {
      Authorization: `Bearer ${mavenToken}`,
      'Content-Type': 'application/x-webarchive',
    },
    query: {},
    body: warData,
  });

  expect(response.status).toEqual(201);
});

tap.test('Maven: should return 404 for non-existent artifact', async () => {
  const groupPath = 'com/example/nonexistent';

  const response = await registry.handleRequest({
    method: 'GET',
    path: `/maven/${groupPath}/fake-artifact/1.0.0/fake-artifact-1.0.0.jar`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(404);
  expect(response.body).toHaveProperty('error');
});

tap.test('Maven: should return 401 for unauthorized upload', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const jarFilename = `${testArtifactId}-3.0.0.jar`;

  const response = await registry.handleRequest({
    method: 'PUT',
    path: `/maven/${groupPath}/${testArtifactId}/3.0.0/${jarFilename}`,
    headers: {
      // No authorization header
      'Content-Type': 'application/java-archive',
    },
    query: {},
    body: testJarData,
  });

  expect(response.status).toEqual(401);
  expect(response.body).toHaveProperty('error');
});

tap.test('Maven: should reject POM upload with mismatched GAV', async () => {
  const groupPath = 'com/mismatch/test';
  const pomFilename = `different-artifact-1.0.0.pom`;
  // POM contains different GAV than the path
  const mismatchedPom = Buffer.from(
    createTestPom('com.other.group', 'other-artifact', '1.0.0'),
    'utf-8'
  );

  const response = await registry.handleRequest({
    method: 'PUT',
    path: `/maven/${groupPath}/different-artifact/1.0.0/${pomFilename}`,
    headers: {
      Authorization: `Bearer ${mavenToken}`,
      'Content-Type': 'application/xml',
    },
    query: {},
    body: mismatchedPom,
  });

  expect(response.status).toEqual(400);
  expect(response.body).toHaveProperty('error');
});

tap.test('Maven: should delete an artifact (DELETE)', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const jarFilename = `${testArtifactId}-${testVersion}.jar`;

  const response = await registry.handleRequest({
    method: 'DELETE',
    path: `/maven/${groupPath}/${testArtifactId}/${testVersion}/${jarFilename}`,
    headers: {
      Authorization: `Bearer ${mavenToken}`,
    },
    query: {},
  });

  expect(response.status).toEqual(204); // 204 No Content is correct for DELETE

  // Verify artifact was deleted
  const getResponse = await registry.handleRequest({
    method: 'GET',
    path: `/maven/${groupPath}/${testArtifactId}/${testVersion}/${jarFilename}`,
    headers: {},
    query: {},
  });

  expect(getResponse.status).toEqual(404);
});

tap.test('Maven: should return 404 for checksum of deleted artifact', async () => {
  const groupPath = testGroupId.replace(/\./g, '/');
  const jarFilename = `${testArtifactId}-${testVersion}.jar`;

  const response = await registry.handleRequest({
    method: 'GET',
    path: `/maven/${groupPath}/${testArtifactId}/${testVersion}/${jarFilename}.md5`,
    headers: {},
    query: {},
  });

  expect(response.status).toEqual(404);
});

tap.postTask('cleanup registry', async () => {
  if (registry) {
    registry.destroy();
  }
});

export default tap.start();