import json
from pathlib import Path

from zotero_kb.cards import CardBuilder
from zotero_kb.zotero_reader import ZoteroItemRecord


class FakeLlmClient:
    def generate_card(self, source_bundle: dict[str, object]) -> dict[str, object]:
        return {
            "summary": "Merged metadata and attachment text improve drafting support.",
            "core_claims": [
                "Project-scoped cards reduce irrelevant retrieval.",
            ],
            "methods": [
                "Combines notes, metadata, and full text.",
            ],
            "evidence": [
                "The merged pipeline improved citation precision.",
            ],
            "quotable_passages": [
                "Project-scoped card retrieval improves citation precision during drafting.",
            ],
            "writing_hints": [
                "Use when arguing for scoped retrieval during drafting.",
            ],
            "keywords": ["retrieval", "writing"],
        }


def test_build_card_writes_markdown_and_indexes(tmp_path: Path) -> None:
    item = ZoteroItemRecord(
        item_key="PAPER0001",
        title="Card Pipelines for Research Writing",
        creators=["Alice Smith", "Bob Li"],
        year="2024",
        item_type="journalArticle",
        abstract="Merged metadata and notes improve drafting support.",
        tags=["llm", "writing"],
        collection_paths=[["Theory", "Drafting"]],
        notes=["Merged notes matter."],
        attachment_texts=["This paper studies card pipelines for research writing."],
    )
    builder = CardBuilder(workspace_dir=tmp_path, llm_client=FakeLlmClient())

    result = builder.build_or_update(item)

    expected_path = (
        tmp_path
        / "library"
        / "collections"
        / "Theory"
        / "Drafting"
        / "Card Pipelines for Research Writing [PAPER0001].md"
    )
    assert result.card_path == expected_path
    assert result.card_path.read_text(encoding="utf-8").startswith("---")

    cards_index = json.loads((tmp_path / "library" / "index" / "cards.json").read_text(encoding="utf-8"))
    assert cards_index["PAPER0001"]["title"] == "Card Pipelines for Research Writing"

    items_index = json.loads((tmp_path / "library" / "index" / "items.json").read_text(encoding="utf-8"))
    assert items_index["PAPER0001"]["card_path"] == str(expected_path)

    source_bundle = json.loads(
        (tmp_path / "library" / "cache" / "source-bundles" / "PAPER0001.json").read_text(encoding="utf-8")
    )
    assert source_bundle["item_key"] == "PAPER0001"