# tests/test_library_api.py
"""Tests for GET/POST /api/library endpoints."""
from __future__ import annotations

import sqlite3


def _add_doc(db_path: str, title: str, path: str, status: str = "ready") -> str:
    conn = sqlite3.connect(db_path)
    doc_id = conn.execute(
        "INSERT INTO documents(title, file_path, status) VALUES (?,?,?) RETURNING id",
        [title, path, status],
    ).fetchone()[0]
    conn.commit()
    conn.close()
    return doc_id


def test_list_library_empty(client):
    resp = client.get("/api/library")
    assert resp.status_code == 200
    assert resp.json() == []


def test_list_library_returns_documents(client, test_db):
    _add_doc(test_db, "Player's Handbook", "/books/phb.pdf")
    resp = client.get("/api/library")
    assert resp.status_code == 200
    docs = resp.json()
    assert len(docs) == 1
    assert docs[0]["title"] == "Player's Handbook"
    assert "status" in docs[0]


def test_delete_document_removes_record(client, test_db):
    doc_id = _add_doc(test_db, "Monster Manual", "/books/mm.pdf")
    resp = client.delete(f"/api/library/{doc_id}")
    assert resp.status_code == 204
    resp2 = client.get("/api/library")
    assert resp2.json() == []


def test_delete_nonexistent_returns_404(client):
    resp = client.delete("/api/library/does-not-exist")
    assert resp.status_code == 404


def test_reingest_returns_task_id(client, test_db, tmp_path):
    pdf_path = str(tmp_path / "books" / "test.pdf")
    open(pdf_path, "wb").write(b"%PDF-1.4")
    doc_id = _add_doc(test_db, "Test Book", pdf_path)
    resp = client.post(f"/api/library/{doc_id}/reingest")
    assert resp.status_code == 202
    assert "task_id" in resp.json()