"""brand_links DB CRUD 테스트."""
import os
import pytest
from app import db
from app.config import DB_PATH


@pytest.fixture(autouse=True)
def setup_db(tmp_path):
    """테스트용 임시 DB 사용."""
    test_db = str(tmp_path / "test.db")
    import app.config as config
    config.DB_PATH = test_db
    db.DB_PATH = test_db
    db.init_db()
    yield


def test_add_brand_link():
    link = db.add_brand_link({
        "keyword_id": 1,
        "url": "https://link.coupang.com/abc",
        "product_name": "테스트 상품",
        "description": "상품 설명",
        "placement_hint": "본문 중간",
    })
    assert link["id"] is not None
    assert link["url"] == "https://link.coupang.com/abc"
    assert link["product_name"] == "테스트 상품"
    assert link["keyword_id"] == 1
    assert link["post_id"] is None


def test_get_brand_links_by_keyword_id():
    db.add_brand_link({"keyword_id": 1, "url": "https://a.com", "product_name": "A"})
    db.add_brand_link({"keyword_id": 1, "url": "https://b.com", "product_name": "B"})
    db.add_brand_link({"keyword_id": 2, "url": "https://c.com", "product_name": "C"})
    links = db.get_brand_links(keyword_id=1)
    assert len(links) == 2


def test_get_brand_links_by_post_id():
    db.add_brand_link({"post_id": 10, "url": "https://a.com", "product_name": "A"})
    links = db.get_brand_links(post_id=10)
    assert len(links) == 1
    assert links[0]["post_id"] == 10


def test_update_brand_link():
    link = db.add_brand_link({"url": "https://a.com", "product_name": "원래 이름"})
    updated = db.update_brand_link(link["id"], {"product_name": "새 이름", "post_id": 5})
    assert updated["product_name"] == "새 이름"
    assert updated["post_id"] == 5


def test_delete_brand_link():
    link = db.add_brand_link({"url": "https://a.com", "product_name": "삭제할 링크"})
    assert db.delete_brand_link(link["id"]) is True
    assert db.delete_brand_link(link["id"]) is False


def test_link_keyword_to_post():
    db.add_brand_link({"keyword_id": 1, "url": "https://a.com", "product_name": "A"})
    db.add_brand_link({"keyword_id": 1, "url": "https://b.com", "product_name": "B"})
    db.link_brand_links_to_post(keyword_id=1, post_id=10)
    links = db.get_brand_links(post_id=10)
    assert len(links) == 2