import { assertEquals, assertExists } from 'jsr:@std/assert';
import { afterAll, beforeAll, describe, it } from 'jsr:@std/testing/bdd';
import { TypedRequest } from '@api.global/typedrequest';
import { createTestContainer, getTestPorts, loginAndGetIdentity } from './helpers/server.helper.ts';
import { ObjectStorageContainer } from '../ts/index.ts';
import type * as interfaces from '../ts_interfaces/index.ts';
import type { IReq_CreateBucket, IReq_DeleteBucket } from '../ts_interfaces/requests/buckets.ts';
import type {
  IReq_ListObjects,
  IReq_PutObject,
  IReq_GetObject,
  IReq_DeleteObject,
  IReq_DeletePrefix,
  IReq_GetObjectUrl,
  IReq_MoveObject,
  IReq_MovePrefix,
} from '../ts_interfaces/requests/objects.ts';

const PORT_INDEX = 3;
const ports = getTestPorts(PORT_INDEX);
const url = `http://localhost:${ports.uiPort}/typedrequest`;
const BUCKET = 'obj-test-bucket';

function toBase64(text: string): string {
  return btoa(text);
}

function fromBase64(b64: string): string {
  return atob(b64);
}

describe('Object operations', { sanitizeResources: false, sanitizeOps: false }, () => {
  let container: ObjectStorageContainer;
  let identity: interfaces.data.IIdentity;

  beforeAll(async () => {
    container = createTestContainer(PORT_INDEX);
    await container.start();
    identity = await loginAndGetIdentity(ports.uiPort);

    // Create test bucket
    const req = new TypedRequest<IReq_CreateBucket>(url, 'createBucket');
    await req.fire({ identity, bucketName: BUCKET });
  });

  afterAll(async () => {
    // Delete test bucket
    try {
      const req = new TypedRequest<IReq_DeleteBucket>(url, 'deleteBucket');
      await req.fire({ identity, bucketName: BUCKET });
    } catch { /* bucket may already be empty/deleted */ }
    await container.stop();
  });

  it('should list objects (initially empty)', async () => {
    const req = new TypedRequest<IReq_ListObjects>(url, 'listObjects');
    const response = await req.fire({ identity, bucketName: BUCKET });
    assertEquals(response.result.objects.length, 0);
    assertEquals(response.result.commonPrefixes.length, 0);
  });

  it('should put a text object', async () => {
    const req = new TypedRequest<IReq_PutObject>(url, 'putObject');
    const response = await req.fire({
      identity,
      bucketName: BUCKET,
      key: 'hello.txt',
      base64Content: toBase64('Hello World'),
      contentType: 'text/plain',
    });
    assertEquals(response.ok, true);
  });

  it('should put nested objects', async () => {
    const req = new TypedRequest<IReq_PutObject>(url, 'putObject');
    await req.fire({
      identity,
      bucketName: BUCKET,
      key: 'folder/nested.txt',
      base64Content: toBase64('Nested content'),
      contentType: 'text/plain',
    });
    await req.fire({
      identity,
      bucketName: BUCKET,
      key: 'folder/a.txt',
      base64Content: toBase64('File A'),
      contentType: 'text/plain',
    });
    await req.fire({
      identity,
      bucketName: BUCKET,
      key: 'folder/b.txt',
      base64Content: toBase64('File B'),
      contentType: 'text/plain',
    });
    await req.fire({
      identity,
      bucketName: BUCKET,
      key: 'folder/sub/c.txt',
      base64Content: toBase64('File C'),
      contentType: 'text/plain',
    });
  });

  it('should list objects at root with delimiter', async () => {
    const req = new TypedRequest<IReq_ListObjects>(url, 'listObjects');
    const response = await req.fire({ identity, bucketName: BUCKET, delimiter: '/' });
    // Root should have hello.txt as direct object
    const rootKeys = response.result.objects.map((o) => o.key);
    assertEquals(rootKeys.includes('hello.txt'), true);
    // folder/ should appear as a common prefix
    assertEquals(response.result.commonPrefixes.includes('folder/'), true);
  });

  it('should list objects with prefix', async () => {
    const req = new TypedRequest<IReq_ListObjects>(url, 'listObjects');
    const response = await req.fire({
      identity,
      bucketName: BUCKET,
      prefix: 'folder/',
      delimiter: '/',
    });
    const keys = response.result.objects.map((o) => o.key);
    assertEquals(keys.includes('folder/nested.txt'), true);
    assertEquals(keys.includes('folder/a.txt'), true);
    assertEquals(keys.includes('folder/b.txt'), true);
    // sub/ should be a common prefix
    assertEquals(response.result.commonPrefixes.includes('folder/sub/'), true);
  });

  it('should get a text object', async () => {
    const req = new TypedRequest<IReq_GetObject>(url, 'getObject');
    const response = await req.fire({ identity, bucketName: BUCKET, key: 'hello.txt' });
    assertEquals(fromBase64(response.content), 'Hello World');
    assertEquals(response.size > 0, true);
    assertExists(response.lastModified);
  });

  it('should get object URL', async () => {
    const req = new TypedRequest<IReq_GetObjectUrl>(url, 'getObjectUrl');
    const response = await req.fire({ identity, bucketName: BUCKET, key: 'hello.txt' });
    assertExists(response.url);
    assertEquals(response.url.includes(BUCKET), true);
    assertEquals(response.url.includes('hello.txt'), true);
  });

  it('should move an object', async () => {
    const req = new TypedRequest<IReq_MoveObject>(url, 'moveObject');
    const response = await req.fire({
      identity,
      bucketName: BUCKET,
      sourceKey: 'hello.txt',
      destKey: 'moved-hello.txt',
    });
    assertEquals(response.success, true);
  });

  it('should verify moved object exists at new key', async () => {
    const req = new TypedRequest<IReq_GetObject>(url, 'getObject');
    const response = await req.fire({ identity, bucketName: BUCKET, key: 'moved-hello.txt' });
    assertEquals(fromBase64(response.content), 'Hello World');
  });

  it('should verify source key no longer exists after move', async () => {
    const req = new TypedRequest<IReq_ListObjects>(url, 'listObjects');
    const response = await req.fire({ identity, bucketName: BUCKET, delimiter: '/' });
    const rootKeys = response.result.objects.map((o) => o.key);
    assertEquals(rootKeys.includes('hello.txt'), false);
    assertEquals(rootKeys.includes('moved-hello.txt'), true);
  });

  it('should move a prefix', async () => {
    const req = new TypedRequest<IReq_MovePrefix>(url, 'movePrefix');
    const response = await req.fire({
      identity,
      bucketName: BUCKET,
      sourcePrefix: 'folder/',
      destPrefix: 'renamed/',
    });
    assertEquals(response.success, true);
    assertEquals((response.movedCount ?? 0) >= 4, true);
  });

  it('should verify moved prefix contents', async () => {
    const req = new TypedRequest<IReq_ListObjects>(url, 'listObjects');
    const response = await req.fire({ identity, bucketName: BUCKET, prefix: 'renamed/' });
    assertEquals(response.result.objects.length >= 1, true);
  });

  it('should verify old prefix is empty', async () => {
    const req = new TypedRequest<IReq_ListObjects>(url, 'listObjects');
    const response = await req.fire({ identity, bucketName: BUCKET, prefix: 'folder/' });
    assertEquals(response.result.objects.length, 0);
    assertEquals(response.result.commonPrefixes.length, 0);
  });

  it('should delete a single object', async () => {
    const req = new TypedRequest<IReq_DeleteObject>(url, 'deleteObject');
    const response = await req.fire({ identity, bucketName: BUCKET, key: 'moved-hello.txt' });
    assertEquals(response.ok, true);
  });

  it('should delete a prefix', async () => {
    const req = new TypedRequest<IReq_DeletePrefix>(url, 'deletePrefix');
    const response = await req.fire({ identity, bucketName: BUCKET, prefix: 'renamed/' });
    assertEquals(response.ok, true);
  });

  it('should verify bucket is empty after cleanup', async () => {
    const req = new TypedRequest<IReq_ListObjects>(url, 'listObjects');
    const response = await req.fire({ identity, bucketName: BUCKET });
    assertEquals(response.result.objects.length, 0);
  });
});