import { test, expect, type Page } from '@playwright/test';

test.use({
  baseURL: 'http://localhost:3000/',
});

// ─── Helpers ─────────────────────────────────────────────────────────────────

async function waitForMs(page: Page, ms: number) {
  await page.waitForTimeout(ms);
}

async function startFreshGame(page: Page) {
  await page.goto('/');
  await page.evaluate(() => localStorage.clear());
  await page.reload();
  await page.waitForLoadState('networkidle');
  await waitForMs(page, 3000);
}

async function waitForBridge(page: Page) {
  for (let attempt = 0; attempt < 30; attempt++) {
    const ready = await page.evaluate(() => !!(window as any).__TEST__);
    if (ready) return;
    await waitForMs(page, 1000);
  }
  throw new Error('Debug bridge (window.__TEST__) not available after 30s');
}

async function clickTab(page: Page, label: string) {
  const tab = page.getByRole('tab', { name: new RegExp(label, 'i') }).first();
  if (await tab.isVisible({ timeout: 2000 })) {
    await tab.click();
    await waitForMs(page, 400);
    return true;
  }
  return false;
}

// ─── Test Suite ──────────────────────────────────────────────────────────────

test.describe('Mana Loop - Comprehensive Playtest', () => {

  // =========================================================================
  // SECTION 4 - Disciplines Tab
  // =========================================================================
  test.describe('4 - Disciplines', () => {
    test.beforeEach(async ({ page }) => {
      await startFreshGame(page);
    });

    test('navigate to Disciplines tab without crash', async ({ page }) => {
      const errors: string[] = [];
      page.on('console', (msg) => {
        if (msg.type() === 'error') errors.push(msg.text());
      });
      await waitForMs(page, 500);

      const visited = await clickTab(page, 'disciplines');
      expect(visited).toBe(true);

      await waitForMs(page, 500);
      const reactErrors = errors.filter(e =>
        e.includes('React') || e.includes('Minified') || e.includes('Error #')
      );
      expect(reactErrors, `React errors in Disciplines: ${JSON.stringify(reactErrors)}`).toHaveLength(0);
    });

    test('Raw Mana Mastery discipline is available', async ({ page }) => {
      await waitForMs(page, 500);
      const visited = await clickTab(page, 'disciplines');
      if (visited) {
        const bodyText = await page.textContent('body') || '';
        expect(bodyText).toContain('Raw Mana Mastery');
      }
    });
  });

  // =========================================================================
  // SECTION 5 - Crafting Tab
  // =========================================================================
  test.describe('5 - Crafting System', () => {
    test.beforeEach(async ({ page }) => {
      await startFreshGame(page);
    });

    test('navigate to Crafting tab without crash', async ({ page }) => {
      const errors: string[] = [];
      page.on('console', (msg) => {
        if (msg.type() === 'error') errors.push(msg.text());
      });
      await waitForMs(page, 500);

      const visited = await clickTab(page, 'craft');
      expect(visited).toBe(true);

      await waitForMs(page, 500);
      const reactErrors = errors.filter(e =>
        e.includes('React') || e.includes('Minified') || e.includes('Error #')
      );
      expect(reactErrors, `React errors in Crafting: ${JSON.stringify(reactErrors)}`).toHaveLength(0);
    });

    test('Enchanter and Fabricator sub-tabs exist', async ({ page }) => {
      await waitForMs(page, 500);
      const visited = await clickTab(page, 'craft');
      if (visited) {
        const bodyText = await page.textContent('body') || '';
        expect(bodyText).toContain('Enchanter');
        expect(bodyText).toContain('Fabricator');
      }
    });
  });

  // =========================================================================
  // SECTION 6 - Equipment Tab
  // =========================================================================
  test.describe('6 - Equipment & Inventory', () => {
    test.beforeEach(async ({ page }) => {
      await startFreshGame(page);
    });

    test('navigate to Equipment tab without crash', async ({ page }) => {
      const errors: string[] = [];
      page.on('console', (msg) => {
        if (msg.type() === 'error') errors.push(msg.text());
      });
      await waitForMs(page, 500);

      const visited = await clickTab(page, 'equipment');
      expect(visited).toBe(true);

      await waitForMs(page, 500);
      const reactErrors = errors.filter(e =>
        e.includes('React') || e.includes('Minified') || e.includes('Error #')
      );
      expect(reactErrors, `React errors in Equipment: ${JSON.stringify(reactErrors)}`).toHaveLength(0);
    });

    test('starting equipment includes Basic Staff, Civilian Shirt, Civilian Shoes', async ({ page }) => {
      await waitForMs(page, 500);
      const visited = await clickTab(page, 'equipment');
      if (visited) {
        const bodyText = await page.textContent('body') || '';
        expect(bodyText).toContain('Basic Staff');
        expect(bodyText).toContain('Civilian Shirt');
        expect(bodyText).toContain('Civilian Shoes');
      }
    });
  });

  // =========================================================================
  // SECTION 7 - Attunements Tab
  // =========================================================================
  test.describe('7 - Attunements', () => {
    test.beforeEach(async ({ page }) => {
      await startFreshGame(page);
    });

    test('navigate to Attunements tab without crash', async ({ page }) => {
      const errors: string[] = [];
      page.on('console', (msg) => {
        if (msg.type() === 'error') errors.push(msg.text());
      });
      await waitForMs(page, 500);

      const visited = await clickTab(page, 'attun');
      expect(visited).toBe(true);

      await waitForMs(page, 500);
      const reactErrors = errors.filter(e =>
        e.includes('React') || e.includes('Minified') || e.includes('Error #')
      );
      expect(reactErrors, `React errors in Attunements: ${JSON.stringify(reactErrors)}`).toHaveLength(0);
    });

    test('Enchanter is attuned at level 1 by default', async ({ page }) => {
      await waitForMs(page, 500);
      const visited = await clickTab(page, 'attun');
      if (visited) {
        const bodyText = await page.textContent('body') || '';
        expect(bodyText).toContain('Enchanter');
      }
    });
  });

  // =========================================================================
  // SECTION 8 - Prestige Tab
  // =========================================================================
  test.describe('8 - Prestige Tab', () => {
    test.beforeEach(async ({ page }) => {
      await startFreshGame(page);
    });

    test('navigate to Prestige tab without crash', async ({ page }) => {
      const errors: string[] = [];
      page.on('console', (msg) => {
        if (msg.type() === 'error') errors.push(msg.text());
      });
      await waitForMs(page, 500);

      const visited = await clickTab(page, 'prestige');
      expect(visited).toBe(true);

      await waitForMs(page, 500);
      const reactErrors = errors.filter(e =>
        e.includes('React') || e.includes('Minified') || e.includes('Error #')
      );
      expect(reactErrors, `React errors in Prestige: ${JSON.stringify(reactErrors)}`).toHaveLength(0);
    });
  });

  // =========================================================================
  // SECTION 9 - Golemancy Tab
  // =========================================================================
  test.describe('9 - Golemancy Tab', () => {
    test.beforeEach(async ({ page }) => {
      await startFreshGame(page);
    });

    test('navigate to Golemancy tab without crash', async ({ page }) => {
      const errors: string[] = [];
      page.on('console', (msg) => {
        if (msg.type() === 'error') errors.push(msg.text());
      });
      await waitForMs(page, 500);

      const visited = await clickTab(page, 'golem');
      expect(visited).toBe(true);

      await waitForMs(page, 500);
      const reactErrors = errors.filter(e =>
        e.includes('React') || e.includes('Minified') || e.includes('Error #')
      );
      expect(reactErrors, `React errors in Golemancy: ${JSON.stringify(reactErrors)}`).toHaveLength(0);
    });
  });

  // =========================================================================
  // SECTION 10 - Guardian Pacts Tab
  // =========================================================================
  test.describe('10 - Guardian Pacts Tab', () => {
    test.beforeEach(async ({ page }) => {
      await startFreshGame(page);
    });

    test('navigate to Guardian Pacts tab without crash', async ({ page }) => {
      const errors: string[] = [];
      page.on('console', (msg) => {
        if (msg.type() === 'error') errors.push(msg.text());
      });
      await waitForMs(page, 500);

      const visited = await clickTab(page, 'pact');
      expect(visited).toBe(true);

      await waitForMs(page, 500);
      const reactErrors = errors.filter(e =>
        e.includes('React') || e.includes('Minified') || e.includes('Error #')
      );
      expect(reactErrors, `React errors in Guardian Pacts: ${JSON.stringify(reactErrors)}`).toHaveLength(0);
    });
  });

  // =========================================================================
  // SECTION 11 - Achievements Tab
  // =========================================================================
  test.describe('11 - Achievements Tab', () => {
    test.beforeEach(async ({ page }) => {
      await startFreshGame(page);
    });

    test('navigate to Achievements tab without crash', async ({ page }) => {
      const errors: string[] = [];
      page.on('console', (msg) => {
        if (msg.type() === 'error') errors.push(msg.text());
      });
      await waitForMs(page, 500);

      const visited = await clickTab(page, 'achievement');
      expect(visited).toBe(true);

      await waitForMs(page, 500);
      const reactErrors = errors.filter(e =>
        e.includes('React') || e.includes('Minified') || e.includes('Error #')
      );
      expect(reactErrors, `React errors in Achievements: ${JSON.stringify(reactErrors)}`).toHaveLength(0);
    });
  });
});