"""Unit tests for Markdown renderer covering scenarios OUT-002 to OUT-010."""

import yaml

from src.runtime.candidate.models import CandidateObject
from src.runtime.storage.markdown_renderer import render_canonical_markdown


def test_render_canonical_markdown_with_front_matter():
    blocks = [
        CandidateObject(
            id="blk_01",
            type="heading",
            text="Primeiro Bloco",
            extractor="trafilatura",
            position=1,
            level=2,
        ),
        CandidateObject(
            id="blk_02",
            type="paragraph",
            text="Este é o parágrafo editorial.",
            extractor="trafilatura",
            position=2,
        ),
        CandidateObject(
            id="blk_03", type="list_item", text="Item de lista", extractor="trafilatura", position=3
        ),
    ]

    rendered = render_canonical_markdown(
        title="Título do Artigo",
        subtitle="Subtítulo informativo",
        fingerprint="a" * 64,
        source_url="https://example.com/art",
        published_date="2026-08-20T10:00:00Z",
        language="pt",
        sentiment="positive",
        tags=["economia", "petrobras", "brasil"],
        ecp_target_id="Q123",
        ecp_target_name="Petrobras",
        body_blocks=blocks,
    )

    assert rendered.startswith("---\n")
    assert "# Título do Artigo" in rendered
    assert "*Subtítulo informativo*" in rendered
    assert "## Primeiro Bloco" in rendered
    assert "Este é o parágrafo editorial." in rendered
    assert "- Item de lista" in rendered

    # Verify front matter parses as valid YAML
    parts = rendered.split("---\n")
    front_matter_raw = parts[1]
    parsed_fm = yaml.safe_load(front_matter_raw)
    assert parsed_fm["title"] == "Título do Artigo"
    assert parsed_fm["fingerprint"] == "a" * 64
    assert parsed_fm["sentiment"] == "positive"
    assert parsed_fm["tags"] == ["economia", "petrobras", "brasil"]