from .base_handler import BaseHandler
import logging
import asyncio
import os
from pathlib import Path

logger = logging.getLogger(__name__)
DATA_DIR = Path("data/gesobau")
DATA_DIR.mkdir(parents=True, exist_ok=True)

class GesobauHandler(BaseHandler):
    def __init__(self, browser_context):
        self.context = browser_context

    async def apply(self, listing: dict, result: dict) -> dict:
        page = await self.context.new_page()
        try:
            logger.info(f"[GESOBAU] Opening page: {listing['link']}")
            response = await page.goto(listing["link"], wait_until="networkidle")
            logger.info("[GESOBAU] Page loaded")
            await asyncio.sleep(2)

            # 404 detection
            status = response.status if response else None
            page_title = await page.title()
            page_content = await page.content()
            is_404 = (
                status == 404 or
                (page_title and "404" in page_title) or
                (page_title and "nicht gefunden" in page_title.lower()) or
                ("Angebot nicht mehr verfügbar" in page_content)
            )
            if is_404:
                logger.warning(f"[GESOBAU] Listing is down (404 or unavailable): {listing['link']}")
                result["success"] = False
                result["message"] = "Listing is no longer available (404). Application impossible. Will not retry."
                result["deactivated"] = True
                return result

            # Dismiss cookie banner
            try:
                cookie_btn = await page.query_selector('#CybotCookiebotDialogBodyLevelButtonLevelOptinAllowAll, button:has-text("Alle akzeptieren")')
                if cookie_btn and await cookie_btn.is_visible():
                    await cookie_btn.click()
                    logger.info("[GESOBAU] Dismissed cookie banner")
                    await asyncio.sleep(1)
            except:
                pass

            # Save debug HTML and screenshot
            try:
                html_content = await page.content()
                with open(DATA_DIR / f"gesobau_debug_{listing['id']}.html", "w", encoding="utf-8") as f:
                    f.write(html_content)
                logger.info(f"[GESOBAU] Saved debug HTML: gesobau_debug_{listing['id']}.html")
            except Exception as e:
                logger.warning(f"[GESOBAU] Could not save debug HTML: {e}")

            try:
                await page.screenshot(path=DATA_DIR / f"gesobau_page_{listing['id']}.png", full_page=True)
                logger.info(f"[GESOBAU] Saved page screenshot: gesobau_page_{listing['id']}.png")
            except Exception as e:
                logger.warning(f"[GESOBAU] Could not save screenshot: {e}")

            # Log listing details
            await self.log_listing_details(listing)

            # Look for application button
            logger.info("[GESOBAU] Searching for application button...")
            selectors = [
                'a[href*="bewerben"]',
                'button:has-text("Bewerben")',
                'a:has-text("Bewerben")',
                'button:has-text("Interesse")',
                'a:has-text("Kontakt")',
                'button.btn',
            ]

            apply_btn = None
            for sel in selectors:
                all_btns = await page.query_selector_all(sel)
                logger.debug(f"[GESOBAU] Selector '{sel}': {len(all_btns)} matches")
                for btn in all_btns:
                    try:
                        if await btn.is_visible():
                            apply_btn = btn
                            logger.info(f"[GESOBAU] Found visible application button: {sel}")
                            break
                    except Exception as e:
                        logger.debug(f"[GESOBAU] Button visibility error: {e}")
                if apply_btn:
                    break

            if apply_btn:
                await apply_btn.scroll_into_view_if_needed()
                await asyncio.sleep(0.5)
                logger.info("[GESOBAU] Clicking application button...")
                await apply_btn.click()
                await asyncio.sleep(2)

                # Save screenshot and HTML after click
                logger.info("[GESOBAU] Checking for confirmation...")
                try:
                    await page.screenshot(path=DATA_DIR / f"gesobau_after_apply_{listing['id']}.png", full_page=True)
                    logger.info(f"[GESOBAU] Saved after-apply screenshot: gesobau_after_apply_{listing['id']}.png")
                except Exception as e:
                    logger.warning(f"[GESOBAU] Could not save after-apply screenshot: {e}")

                try:
                    html_after = await page.content()
                    with open(DATA_DIR / f"gesobau_after_apply_{listing['id']}.html", "w", encoding="utf-8") as f:
                        f.write(html_after)
                    logger.info(f"[GESOBAU] Saved after-apply HTML: gesobau_after_apply_{listing['id']}.html")
                except Exception as e:
                    logger.warning(f"[GESOBAU] Could not save after-apply HTML: {e}")
                    logger.warning(f"[GESOBAU] Could not save HTML after apply: {e}")

                # Look for confirmation message on the page
                confirmation_selectors = [
                    'text="Vielen Dank"',
                    'text="Ihre Anfrage wurde gesendet"',
                    'text="Bestätigung"',
                    'div:has-text("Vielen Dank")',
                    'div:has-text("Ihre Anfrage wurde gesendet")',
                ]
                confirmed = False
                for sel in confirmation_selectors:
                    try:
                        el = await page.query_selector(sel)
                        if el and await el.is_visible():
                            logger.info(f"[GESOBAU] Found confirmation element: {sel}")
                            confirmed = True
                            break
                    except Exception as e:
                        logger.debug(f"[GESOBAU] Error checking confirmation selector {sel}: {e}")
                if confirmed:
                    result["success"] = True
                    result["message"] = "Application submitted and confirmation detected."
                else:
                    logger.warning("[GESOBAU] No confirmation message detected after application click.")
                    result["success"] = False
                    result["message"] = "Clicked application button, but no confirmation detected. Check screenshot and HTML."
            else:
                logger.warning("[GESOBAU] No application button found.")
                result["message"] = "No application button found."
                screenshot_path = DATA_DIR / f"gesobau_nobtn_{listing['id']}.png"
                await page.screenshot(path=str(screenshot_path))
                logger.info(f"[GESOBAU] Saved no-button screenshot: {screenshot_path}")
        except Exception as e:
            result["message"] = f"Error during application: {e}"
            logger.error(f"[GESOBAU] Application error: {e}")
        finally:
            await page.close()

        return result