from bs4 import BeautifulSoup, Comment
import scrapy, re
from boilerpy3 import extractors


class FullHTMLSpider(scrapy.spiders.SitemapSpider):
    name = "ltu_programme_crawler"
    # allowed_domains = ["www.ltu.se"]
    sitemap_urls = ["https://www.ltu.se/robots.txt"]
    sitemap_rules = [(re.compile(r'\/en\/education\/programme\/[a-zA-Z0-9-]*$'), 'parse')]
    exclude_patterns = [
        "sdhog-continuing-part-of-study-programme-non-freshmen-120-300-credits",
        "international-orchestra-academy"]

    def parse(self, response):
        # Skip the page if its URL contains any excluded pattern.
        if any(pattern in response.url for pattern in self.exclude_patterns):
            self.logger.info("Skipping page due to excluded URL pattern: %s", response.url)
            return

        html = response.text
        if "Discontinued." in html:
            self.logger.info("Skipping page (contains 'Discontinued.'): %s", response.url)
            return
        extractor = extractors.ArticleExtractor()
        # Pass HTML to Extractor
        content = extractor.get_content(html)

        return {'url': response.url, 'content': content}