"""Unit tests for candidate parsing without regex covering scenarios PAR-001 to PAR-010."""

from src.runtime.candidate.parser import (
    parse_metadata_candidates,
    parse_raw_text_into_candidates,
    resolve_canonical_source_url,
)


def test_parse_raw_text_into_candidates():
    markdown_text = """# Main Header

This is the first paragraph of the article.

## Subheader

Here is a second paragraph.

* Bullet one
* Bullet two

> A notable quote from an expert.
"""
    candidates = parse_raw_text_into_candidates(markdown_text, extractor="trafilatura")
    types = [c.type for c in candidates]
    assert "heading" in types
    assert "paragraph" in types
    assert "list_item" in types
    assert "quote" in types


def test_resolve_canonical_source_url_priority():
    article_full = {
        "crawled_url": "https://example.com/crawled",
        "input_meta": {"url": "https://example.com/meta"},
        "trafilatura": {"canonical_url": "https://example.com/canonical"},
    }
    # trafilatura canonical_url has top priority
    assert resolve_canonical_source_url(article_full) == "https://example.com/canonical"

    # fallback to input_meta.url
    article_no_traf = {
        "crawled_url": "https://example.com/crawled",
        "input_meta": {"url": "https://example.com/meta"},
    }
    assert resolve_canonical_source_url(article_no_traf) == "https://example.com/meta"


def test_author_parsing_forbids_delimiter_splitting():
    article = {"trafilatura": {"author": "Dr. Silva, Ph.D. / Reporter Especial"}}
    cand = parse_metadata_candidates(article)
    # The full string must be preserved as a single author candidate, not split by commas or slashes
    assert len(cand["author_candidates"]) == 1
    assert cand["author_candidates"][0]["text"] == "Dr. Silva, Ph.D. / Reporter Especial"