"""LinkedIn Jobs adapter — scroll to load all cards on first page only."""
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("linkedin")
class LinkedInAdapter(ManifestDrivenAdapter):

    def collect_cards(self, page, manifest) -> list[RawJobCard]:
        """Scroll each card into view to trigger lazy-loading, then extract."""
        self._scroll_to_load(page)
        return super().collect_cards(page, manifest)

    def normalize(self, raw: RawJobCard) -> JobPostingCandidate:
        return super().normalize(raw)

    @staticmethod
    def _scroll_to_load(page) -> None:
        """Scroll each card into view one by one so LinkedIn renders all occluded items."""
        try:
            count = page.evaluate(
                "document.querySelectorAll('li[data-occludable-job-id]').length"
            )
            for i in range(count):
                page.evaluate(f"""() => {{
                    const cards = document.querySelectorAll('li[data-occludable-job-id]');
                    if (cards[{i}]) cards[{i}].scrollIntoView({{behavior: 'instant', block: 'center'}});
                }}""")
                page.wait_for_timeout(120)
            logger.debug(f"[linkedin] Scrolled through {count} cards")
        except Exception as e:
            logger.debug(f"[linkedin] scroll_to_load failed: {e}")