"""Parser for Arborstone Storage - Verden."""

from __future__ import annotations

import re

from bs4 import BeautifulSoup

from src.parsers.base import BaseParser, ParseResult, UnitResult


class Facility102640Parser(BaseParser):
    """Extract storage units from Arborstone Storage Verden."""

    platform = "custom_facility_102640"

    def parse(self, html: str, url: str = "") -> ParseResult:
        soup = BeautifulSoup(html, "lxml")
        result = ParseResult(platform=self.platform, parser_name=self.__class__.__name__)

        # Unit sizes are in links like <a>5x10</a> with href to /5x10-storage/
        size_links = soup.find_all("a", string=re.compile(r"\d+\s*[×xX]\s*\d+"))
        seen = set()

        for link in size_links:
            text = link.get_text(strip=True)
            # Normalize the multiplication sign
            size_match = re.search(r"(\d+)\s*[×xX]\s*(\d+)", text)
            if not size_match:
                continue

            size_key = f"{size_match.group(1)}x{size_match.group(2)}"
            if size_key in seen:
                continue
            seen.add(size_key)

            unit = UnitResult()
            unit.size = f"{size_match.group(1)} x {size_match.group(2)}"
            w, ln, sq = self.normalize_size(unit.size)
            if w is not None:
                unit.metadata = {"width": w, "length": ln, "sqft": sq}

            href = link.get("href", "")
            if href:
                unit.url = href

            unit.description = f"Storage Unit {unit.size}"
            result.units.append(unit)

        if not result.units:
            result.warnings.append("No units found")

        return result