// @ts-check
const { test, expect } = require('@playwright/test');
const fs = require('fs');
const path = require('path');

const RESULT_PATH = path.join(__dirname, '..', 'test-results', 'result.json');

function writeResult(result) {
  fs.mkdirSync(path.dirname(RESULT_PATH), { recursive: true });
  fs.writeFileSync(RESULT_PATH, JSON.stringify(result));
}

test.describe('linkedin post', () => {
  let outcome = { success: false, error: 'Test did not complete' };
  let outcomeFinalized = false;

  test.afterEach(async () => {
    writeResult(outcome);
  });

  test('logs into LinkedIn and creates a post', async ({ page }) => {
    const email = process.env.LINKEDIN_EMAIL;
    const password = process.env.LINKEDIN_PASSWORD;
    const postContent = process.env.POST_CONTENT;

    for (const [name, value] of Object.entries({
      LINKEDIN_EMAIL: email,
      LINKEDIN_PASSWORD: password,
      POST_CONTENT: postContent,
    })) {
      if (!value) {
        outcome = { success: false, error: `Missing required environment variable: ${name}` };
        outcomeFinalized = true;
        throw new Error(outcome.error);
      }
    }

    try {
      await page.goto('https://www.linkedin.com/login');

      // Wait for page to load
      await page.waitForLoadState('networkidle');

      // Check for login form
      const emailField = page.getByLabel(/email|phone/i).first();
      if (!await emailField.isVisible({ timeout: 10000 }).catch(() => false)) {
        outcome = {
          success: false,
          error: 'LinkedIn login form not found — page structure may have changed',
        };
        outcomeFinalized = true;
        throw new Error(outcome.error);
      }

      // Fill email
      await emailField.fill(email);

      // Fill password
      const passwordField = page.getByLabel(/password/i).first();
      if (await passwordField.isVisible({ timeout: 10000 }).catch(() => false)) {
        await passwordField.fill(password);
      }

      // Click sign in button
      const signInButton = page.getByRole('button', { name: /sign in|signin|log in/i, exact: false }).first();
      await signInButton.click();

      // Wait for login to complete - check for feed or start post button
      try {
        await page.waitForURL('https://www.linkedin.com/feed/', { timeout: 20000 });
      } catch {
        // Check if we're logged in by looking for start post button
        const startPostButton = page.getByRole('button', { name: /start a post|post/i, exact: false }).first();
        if (!await startPostButton.isVisible({ timeout: 10000 }).catch(() => false)) {
          const errorText = await page.textContent('body').catch(() => '');
          outcome = {
            success: false,
            error: errorText.toLowerCase().includes('invalid') || errorText.toLowerCase().includes('incorrect')
              ? 'Invalid LinkedIn credentials'
              : 'LinkedIn login did not complete — possible CAPTCHA, 2FA, or invalid credentials',
          };
          outcomeFinalized = true;
          throw new Error(outcome.error);
        }
      }

      // Click "Start a post" button
      const startPostButton = page.getByRole('button', { name: /start a post|post/i, exact: false }).first();
      await startPostButton.click();

      // Wait for post composer
      const postTextarea = page.getByRole('textbox', { name: /what do you want to talk about/i, exact: false }).first();
      if (!await postTextarea.isVisible({ timeout: 10000 }).catch(() => false)) {
        // Try alternative selector
        const altTextarea = page.locator('div[contenteditable="true"]').first();
        if (await altTextarea.isVisible({ timeout: 5000 }).catch(() => false)) {
          await altTextarea.click();
          await page.keyboard.type(postContent);
        } else {
          outcome = {
            success: false,
            error: 'LinkedIn post composer not found — UI may have changed',
          };
          outcomeFinalized = true;
          throw new Error(outcome.error);
        }
      } else {
        await postTextarea.fill(postContent);
      }

      // Click post button
      const postButton = page.getByRole('button', { name: /^post$/i, exact: true }).first();
      if (await postButton.isVisible({ timeout: 5000 }).catch(() => false)) {
        await postButton.click();
      } else {
        // Try alternative post button selectors
        const altPostButton = page.getByRole('button', { name: /share|post/i, exact: false }).nth(1);
        if (await altPostButton.isVisible({ timeout: 5000 }).catch(() => false)) {
          await altPostButton.click();
        }
      }

      // Wait for post to be created
      await page.waitForTimeout(3000);

      // Get current URL (should be the post URL or feed)
      outcome = { success: true, url: page.url() };
      outcomeFinalized = true;
      expect(outcome.success).toBe(true);
    } catch (err) {
      if (!outcomeFinalized) {
        outcome = { success: false, error: err instanceof Error ? err.message : String(err) };
      }
      throw err;
    }
  });
});