"""
Visual verification using browser.

Browser is installed in project: .local-browsers/
Uses full chromium (requires --enable=playwright-chrome in safehouse)
"""

# ruff: noqa: T201
import os


def get_browser_path():
    """Find browser executable in project."""
    project_root = os.path.dirname(os.path.abspath(__file__)).replace("/tests", "")

    # Try full chromium first
    chromium_full = os.path.join(
        project_root,
        ".local-browsers",
        "chromium-1217",
        "chrome-mac-arm64",
        "Google Chrome for Testing.app",
        "Contents",
        "MacOS",
        "Google Chrome for Testing",
    )

    # Fall back to headless shell
    chromium_headless = os.path.join(
        project_root,
        ".local-browsers",
        "chromium_headless_shell-1217",
        "chrome-headless-shell-mac-arm64",
        "chrome-headless-shell",
    )

    if os.path.exists(chromium_full):
        return chromium_full
    elif os.path.exists(chromium_headless):
        return chromium_headless
    return None


def get_element_styles(css: str, selector: str) -> dict:
    """Extract styles from CSS."""
    import re

    pattern = re.escape(selector) + r"\s*\{([^}]+)\}"
    match = re.search(pattern, css)
    if not match:
        return {"error": "Selector not found"}

    styles = {}
    for line in match.group(1).split(";"):
        if ":" not in line:
            continue
        key, value = line.split(":", 1)
        styles[key.strip()] = value.strip()

    return {
        "fontSize": styles.get("font-size", ""),
        "lineHeight": styles.get("line-height", ""),
    }


def verify_with_browser() -> bool:
    """Verify using browser (installed in project)."""
    from playwright.sync_api import sync_playwright

    browser_path = get_browser_path()
    if not browser_path:
        print("No browser found in .local-browsers/")
        return False

    print(f"Using browser: {browser_path}")

    with sync_playwright() as p:
        browser = p.chromium.launch(
            headless=True,
            executable_path=browser_path,
            args=["--no-sandbox", "--disable-setuid-sandbox", "--disable-gpu"],
            timeout=15000,
        )
        page = browser.new_page()

        page.goto("http://localhost:8080/static/scan.html")
        page.wait_for_load_state("networkidle")

        # Wait for AnalyzeModal and open
        page.wait_for_function("typeof AnalyzeModal !== 'undefined'", timeout=10000)
        page.evaluate("() => AnalyzeModal.open()")
        page.wait_for_selector("#analyze-modal:not(.hidden)", timeout=5000)

        # Load FRMM
        page.fill("#analyze-modal-input", "FRMM")
        page.keyboard.press("Enter")
        page.wait_for_selector(".analyze-company-desc", timeout=30000)

        # Get company desc styles
        desc_el = page.locator(".analyze-company-desc")
        desc_fs = desc_el.evaluate("e => getComputedStyle(e).fontSize")
        desc_lh = desc_el.evaluate("e => getComputedStyle(e).lineHeight")

        print("\n=== COMPANY DESC (rendered) ===")
        print(f"  font-size: {desc_fs}")
        print(f"  line-height: {desc_lh}")

        # Get catalyst summary styles if exists
        summary_el = page.locator(".analyze-catalyst-summary")
        if summary_el.count() > 0:
            summary_fs = summary_el.first.evaluate("e => getComputedStyle(e).fontSize")
            summary_lh = summary_el.first.evaluate("e => getComputedStyle(e).lineHeight")
            print("\n=== CATALYST SUMMARY (rendered) ===")
            print(f"  font-size: {summary_fs}")
            print(f"  line-height: {summary_lh}")

            match = desc_fs == summary_fs and desc_lh == summary_lh
        else:
            print("\n=== CATALYST SUMMARY ===")
            print("  Not found (no catalyst data)")
            # Pass if company desc loaded
            match = bool(desc_fs)

        print(f"\nRESULT: {'PASS' if match else 'FAIL'}")

        browser.close()
        return match


def verify_static() -> bool:
    """Verify CSS via static analysis."""
    import urllib.request

    print("Using static CSS analysis...")

    try:
        with urllib.request.urlopen("http://localhost:8080/static/css/analyze.css") as resp:
            css = resp.read().decode("utf-8")
    except Exception as e:
        print(f"ERROR: {e}")
        return False

    desc = get_element_styles(css, ".analyze-company-desc")
    summary = get_element_styles(css, ".analyze-catalyst-summary")

    print(f"\n=== COMPANY DESC (CSS) === {desc}")
    print(f"\n=== CATALYST SUMMARY (CSS) === {summary}")

    match = desc.get("fontSize") == summary.get("fontSize") and desc.get("lineHeight") == summary.get("lineHeight")
    print(f"RESULT: {'PASS' if match else 'FAIL'}")

    return match


if __name__ == "__main__":
    browser_path = get_browser_path()
    has_browser = browser_path and os.path.exists(browser_path)

    if has_browser:
        print("Attempting browser-based verification...")
        try:
            success = verify_with_browser()
        except Exception as e:
            print(f"Browser error: {e}")
            success = verify_static()
    else:
        success = verify_static()

    exit(0 if success else 1)