"""AAO Career Center adapter — click-based AJAX pagination."""
from __future__ import annotations

from loguru import logger

from gimme_job.adapters.base import ManifestDrivenAdapter
from gimme_job.adapters.registry import register
from gimme_job.models.dto import JobPostingCandidate, RawJobCard


@register("aaoinfo")
class AAOInfoAdapter(ManifestDrivenAdapter):
    _BASE_URL = "https://careers.aaoinfo.org"

    def collect_cards(self, page, manifest):
        try:
            page.wait_for_selector("div.job-tile", timeout=15000, state="attached")
        except Exception:
            logger.debug("[aaoinfo] Results wait timed out — may be zero results")
        return super().collect_cards(page, manifest)

    def paginate(self, page, page_index: int, config) -> bool:
        """Click the next page number button in the AJAX pagination."""
        if page_index >= config.pagination.max_pages - 1:
            return False

        next_page = page_index + 2

        # Capture current first job URL to detect when content actually changes
        try:
            first_tile = page.query_selector("div.job-tile .job-title a")
            current_first_url = first_tile.get_attribute("href") if first_tile else None
        except Exception:
            current_first_url = None

        # Determine which selector to use for the next page button
        primary_sel = f"#page-item-{next_page} a"
        fallback_sel = "ul.pagination li.page-item:not(.active):not(.disabled):last-child a"

        if page.query_selector(primary_sel):
            btn_sel = primary_sel
        elif page.query_selector(fallback_sel):
            btn_sel = fallback_sel
        else:
            logger.debug(f"[aaoinfo] No next page button found — stopping at page {page_index + 1}")
            return False

        logger.debug(f"[aaoinfo] Paginating to page {next_page}")
        # Use page.click() (locator-based) so Playwright re-queries the element
        # at click time, avoiding "not attached to DOM" errors after AJAX refresh.
        page.click(btn_sel)

        # Wait for page indicator to become active
        try:
            page.wait_for_selector(f"#page-item-{next_page}.active", timeout=12000)
        except Exception:
            logger.debug(f"[aaoinfo] Page {next_page} did not become active — end of pagination")
            return False

        # Wait until the content actually changes (first job URL differs from before)
        if current_first_url:
            try:
                page.wait_for_function(
                    f"""() => {{
                        const a = document.querySelector('div.job-tile .job-title a');
                        return a && a.getAttribute('href') !== {repr(current_first_url)};
                    }}""",
                    timeout=5000,
                )
            except Exception:
                logger.debug(f"[aaoinfo] Content did not change after pagination to page {next_page}")

        return True

    def normalize(self, raw: RawJobCard) -> JobPostingCandidate:
        candidate = super().normalize(raw)
        if candidate.job_url and candidate.job_url.startswith("/"):
            candidate.job_url = self._BASE_URL + candidate.job_url
        return candidate