import { expect, tap } from '@push.rocks/tapbundle';
import * as qenv from '@push.rocks/qenv';
const testQenv = new qenv.Qenv('./', './.nogit/');

import * as ghost from '../ts/index.js';

let testGhostInstance: ghost.Ghost;
let createdPost: ghost.Post;
let createdMember: ghost.Member;

tap.test('initialize Ghost instance', async () => {
  testGhostInstance = new ghost.Ghost({
    baseUrl: 'http://localhost:2368',
    adminApiKey: await testQenv.getEnvVarOnDemand('ADMIN_APIKEY'),
    contentApiKey: await testQenv.getEnvVarOnDemand('CONTENT_APIKEY'),
  });
  expect(testGhostInstance).toBeInstanceOf(ghost.Ghost);
});

tap.test('should return dates as strings in posts', async () => {
  const posts = await testGhostInstance.getPosts({ limit: 1 });
  if (posts.length > 0) {
    const post = posts[0];
    expect(typeof post.postData.created_at).toEqual('string');
    expect(typeof post.postData.updated_at).toEqual('string');
    expect(typeof post.postData.published_at).toEqual('string');
    console.log(`Post dates are strings: created_at=${post.postData.created_at}`);
  }
});

tap.test('should have valid ISO 8601 date format in posts', async () => {
  const posts = await testGhostInstance.getPosts({ limit: 1 });
  if (posts.length > 0) {
    const post = posts[0];

    // Check if dates can be parsed
    const createdDate = new Date(post.postData.created_at);
    const updatedDate = new Date(post.postData.updated_at);
    const publishedDate = new Date(post.postData.published_at);

    expect(createdDate.toString()).not.toEqual('Invalid Date');
    expect(updatedDate.toString()).not.toEqual('Invalid Date');
    expect(publishedDate.toString()).not.toEqual('Invalid Date');

    // Check if dates are valid timestamps
    expect(isNaN(createdDate.getTime())).toEqual(false);
    expect(isNaN(updatedDate.getTime())).toEqual(false);
    expect(isNaN(publishedDate.getTime())).toEqual(false);

    console.log(`Parsed dates: created=${createdDate.toISOString()}, updated=${updatedDate.toISOString()}, published=${publishedDate.toISOString()}`);
  }
});

tap.test('should have ISO 8601 format with timezone offset', async () => {
  const posts = await testGhostInstance.getPosts({ limit: 1 });
  if (posts.length > 0) {
    const post = posts[0];

    // ISO 8601 with timezone: YYYY-MM-DDTHH:mm:ss.sss±HH:mm
    const iso8601WithTimezonePattern = /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}[+-]\d{2}:\d{2}$/;

    expect(iso8601WithTimezonePattern.test(post.postData.created_at)).toEqual(true);
    expect(iso8601WithTimezonePattern.test(post.postData.updated_at)).toEqual(true);
    expect(iso8601WithTimezonePattern.test(post.postData.published_at)).toEqual(true);

    console.log(`Dates match ISO 8601 with timezone pattern`);
  }
});

tap.test('should create published post and have published_at set', async () => {
  const timestamp = Date.now();

  createdPost = await testGhostInstance.adminApi.posts.add({
    title: `Date Test Post ${timestamp}`,
    html: '<p>Testing date handling</p>',
    status: 'published'
  }, { source: 'html' });

  createdPost = new ghost.Post(testGhostInstance, createdPost);

  expect(createdPost).toBeInstanceOf(ghost.Post);
  expect(createdPost.postData.status).toEqual('published');
  expect(createdPost.postData.published_at).toBeTruthy();

  // Published date should be a valid date
  const publishedDate = new Date(createdPost.postData.published_at);
  expect(publishedDate.toString()).not.toEqual('Invalid Date');

  console.log(`Created published post with published_at: ${createdPost.postData.published_at}`);
});

tap.test('should preserve published_at when updating post', async () => {
  if (createdPost) {
    const originalPublishedAt = createdPost.postData.published_at;
    const originalPublishedDate = new Date(originalPublishedAt);

    await createdPost.update({
      html: '<p>Updated content</p>'
    });

    const updatedPublishedDate = new Date(createdPost.postData.published_at);

    // The published_at date should remain the same (within a second tolerance for time parsing)
    expect(Math.abs(updatedPublishedDate.getTime() - originalPublishedDate.getTime())).toBeLessThan(1000);

    console.log(`Published date preserved after update: original=${originalPublishedAt}, updated=${createdPost.postData.published_at}`);
  }
});

tap.test('should have updated_at change when updating metadata fields', async () => {
  if (createdPost) {
    const originalUpdatedAt = new Date(createdPost.postData.updated_at);
    const originalTitle = createdPost.postData.title;

    // Wait a moment to ensure time difference
    await new Promise(resolve => setTimeout(resolve, 1000));

    // Update a metadata field (not just HTML) to trigger updated_at change
    await createdPost.update({
      title: `${originalTitle} - Modified`
    });

    const newUpdatedAt = new Date(createdPost.postData.updated_at);

    // The updated_at should be newer when metadata fields are updated
    expect(newUpdatedAt.getTime()).toBeGreaterThan(originalUpdatedAt.getTime());

    console.log(`updated_at changed: ${originalUpdatedAt.toISOString()} -> ${newUpdatedAt.toISOString()}`);
  }
});

tap.test('should delete test post', async () => {
  if (createdPost) {
    await createdPost.delete();
    console.log(`Deleted test post: ${createdPost.getId()}`);
  }
});

tap.test('should return dates as strings in members', async () => {
  const members = await testGhostInstance.getMembers({ limit: 1 });
  if (members.length > 0) {
    const member = members[0];
    expect(typeof member.memberData.created_at).toEqual('string');
    expect(typeof member.memberData.updated_at).toEqual('string');
    console.log(`Member dates are strings: created_at=${member.memberData.created_at}`);
  } else {
    console.log('No members to test - skipping member date test');
  }
});

tap.test('should have valid date format in members', async () => {
  const members = await testGhostInstance.getMembers({ limit: 1 });
  if (members.length > 0) {
    const member = members[0];

    const createdDate = new Date(member.memberData.created_at);
    const updatedDate = new Date(member.memberData.updated_at);

    expect(createdDate.toString()).not.toEqual('Invalid Date');
    expect(updatedDate.toString()).not.toEqual('Invalid Date');

    console.log(`Member dates parsed: created=${createdDate.toISOString()}, updated=${updatedDate.toISOString()}`);
  } else {
    console.log('No members to test - skipping member date validation');
  }
});

tap.test('should create member and verify dates', async () => {
  const timestamp = Date.now();
  createdMember = await testGhostInstance.createMember({
    email: `datetest-${timestamp}@example.com`,
    name: `Date Test User ${timestamp}`
  });

  expect(createdMember).toBeInstanceOf(ghost.Member);
  expect(typeof createdMember.memberData.created_at).toEqual('string');
  expect(typeof createdMember.memberData.updated_at).toEqual('string');

  const createdDate = new Date(createdMember.memberData.created_at);
  expect(createdDate.toString()).not.toEqual('Invalid Date');

  console.log(`Created member with dates: created_at=${createdMember.memberData.created_at}`);
});

tap.test('should have recent created_at date for new member', async () => {
  if (createdMember) {
    const createdDate = new Date(createdMember.memberData.created_at);
    const now = new Date();

    // Should be created within the last minute
    const timeDiff = now.getTime() - createdDate.getTime();
    expect(timeDiff).toBeLessThan(60000); // Less than 1 minute
    expect(timeDiff).toBeGreaterThanOrEqual(0); // Not in the future

    console.log(`Member created ${Math.round(timeDiff / 1000)} seconds ago`);
  }
});

tap.test('should delete test member', async () => {
  if (createdMember) {
    await createdMember.delete();
    console.log(`Deleted test member: ${createdMember.getId()}`);
  }
});

export default tap.start();