from __future__ import annotations

from dataclasses import dataclass

# Trinity Score: 90.0 (Established by Chancellor)
# serenity/test_generator.py
"""Auto-Test Generator for Self-Healing Loop
Generates Playwright E2E tests when Trinity Score < 90.

永 (Eternity): Ensures long-term quality through automated testing.
眞 (Truth): Verifies correctness through test coverage.
"""


@dataclass
class GeneratedTest:
    """A generated test case."""

    name: str
    code: str
    test_type: str  # 'unit', 'integration', 'e2e'


class AutoTestGenerator:
    """Generates tests to improve Trinity Score.

    When Truth score is low, generates:
    - Unit tests for component logic
    - E2E tests for user flows
    - Accessibility tests for standards compliance
    """

    async def generate_tests(
        self, _component_code: str, component_name: str, issues: list[str]
    ) -> list[GeneratedTest]:
        """Generate tests based on detected issues.

        Args:
            component_code: The React component code
            component_name: Name of the component
            issues: List of issues from Vision Evaluator

        Returns:
            List of generated test cases

        """
        tests = []

        # Always generate a basic render test
        tests.append(self._generate_render_test(component_name))

        # Analyze issues and generate targeted tests
        for issue in issues:
            issue_lower = issue.lower()

            if "accessibility" in issue_lower or "a11y" in issue_lower:
                tests.append(self._generate_a11y_test(component_name))

            if "interaction" in issue_lower or "click" in issue_lower:
                tests.append(self._generate_interaction_test(component_name))

            if "responsive" in issue_lower or "mobile" in issue_lower:
                tests.append(self._generate_responsive_test(component_name))

        print(f"🧪 [AutoTest] Generated {len(tests)} tests for {component_name}")
        return tests

    def _generate_render_test(self, component_name: str) -> GeneratedTest:
        """Generate a basic render test."""
        return GeneratedTest(
            name=f"test_{component_name}_renders",
            test_type="e2e",
            code=f"""

test('{component_name} renders correctly', async ({{ page }}) => {{
  await page.goto('/');

  // Wait for component to load
  const component = page.locator('[data-testid="{component_name.lower()}"]');
  await expect(component).toBeVisible();

  // Screenshot for visual regression
  await expect(page).toHaveScreenshot('{component_name.lower()}.png');
}});
""",
        )

    def _generate_a11y_test(self, component_name: str) -> GeneratedTest:
        """Generate accessibility test."""
        return GeneratedTest(
            name=f"test_{component_name}_accessibility",
            test_type="e2e",
            code=f"""

test('{component_name} passes accessibility checks', async ({{ page }}) => {{
  await page.goto('/');

  const accessibilityScanResults = await new AxeBuilder({{ page }}).analyze();
  expect(accessibilityScanResults.violations).toEqual([]);
}});
""",
        )

    def _generate_interaction_test(self, component_name: str) -> GeneratedTest:
        """Generate interaction test."""
        return GeneratedTest(
            name=f"test_{component_name}_interaction",
            test_type="e2e",
            code=f"""

test('{component_name} handles user interaction', async ({{ page }}) => {{
  await page.goto('/');

  const component = page.locator('[data-testid="{component_name.lower()}"]');

  // Test click interaction
  await component.click();

  // Verify state change (customize based on component)
  await expect(component).toHaveAttribute('aria-pressed', 'true');
}});
""",
        )

    def _generate_responsive_test(self, component_name: str) -> GeneratedTest:
        """Generate responsive design test."""
        return GeneratedTest(
            name=f"test_{component_name}_responsive",
            test_type="e2e",
            code=f"""

test('{component_name} is responsive', async ({{ page }}) => {{
  // Test mobile viewport
  await page.setViewportSize({{ width: 375, height: 667 }});
  await page.goto('/');

  const component = page.locator('[data-testid="{component_name.lower()}"]');
  await expect(component).toBeVisible();

  // Test tablet viewport
  await page.setViewportSize({{ width: 768, height: 1024 }});
  await expect(component).toBeVisible();

  // Test desktop viewport
  await page.setViewportSize({{ width: 1920, height: 1080 }});
  await expect(component).toBeVisible();
}});
""",
        )

    async def run_tests(self, tests: list[GeneratedTest]) -> tuple[bool, float]:
        """Run generated tests (mock for now).

        Returns:
            Tuple of (all_passed, truth_score_boost)

        """
        # In real implementation, would run playwright test
        passed = len(tests) > 0
        truth_boost = 0.05 * len(tests)  # 5% boost per test

        print(f"✅ [AutoTest] Tests passed, Truth boost: +{truth_boost:.2%}")
        return passed, truth_boost


# Singleton
test_generator = AutoTestGenerator()
