from __future__ import annotations

from pathlib import Path
from fastapi import FastAPI
from fastapi.testclient import TestClient
import pytest

from yt_scraper.config import Config
from yt_scraper.store import Store, VideoRef
from yt_scraper.webapp.api import build_router
from yt_scraper.webapp.jobs import JobManager


@pytest.fixture
def api_client(tmp_path: Path, monkeypatch):
    db_path = tmp_path / "state.db"
    md_root = tmp_path / "markdown"
    md_root.mkdir()

    store = Store(db_path)
    cfg = Config(database_path=str(db_path), output_dir=str(md_root))
    jobs = JobManager(store, cfg)
    router = build_router(store, cfg, jobs)

    app = FastAPI()
    app.include_router(router)
    client = TestClient(app)
    return client, store, cfg, tmp_path


def test_get_and_open_markdown(api_client, monkeypatch):
    client, store, cfg, tmp_path = api_client
    store.upsert_channel("UC1", "@test", "Test Channel", 1)
    store.upsert_videos([
        VideoRef("vid1", "UC1", "Test Video", "https://www.youtube.com/watch?v=vid1")
    ])

    # 1. Not generated yet -> 404
    r_get = client.get("/api/videos/vid1/markdown")
    assert r_get.status_code == 404

    r_open = client.post("/api/videos/vid1/open-markdown")
    assert r_open.status_code == 404

    # 2. Create markdown file and mark done
    md_dir = tmp_path / "markdown" / "Test Channel"
    md_dir.mkdir(parents=True)
    md_file = md_dir / "2026-08-23_test-video.md"
    md_content = "# Test Video\n\nContent here"
    md_file.write_text(md_content, encoding="utf-8", newline="\n")

    rel_path = "markdown/Test Channel/2026-08-23_test-video.md"
    store.mark_done("vid1", rel_path, "es", "auto", False)

    # 3. GET markdown returns text
    r_get = client.get("/api/videos/vid1/markdown")
    assert r_get.status_code == 200
    assert r_get.text.replace("\r\n", "\n") == md_content

    # 4. POST open-markdown calls _open_in_os
    opened_paths = []
    from yt_scraper.webapp import api as api_mod
    monkeypatch.setattr(api_mod, "_open_in_os", lambda p: opened_paths.append(str(p)))

    r_open = client.post("/api/videos/vid1/open-markdown")
    assert r_open.status_code == 200
    assert len(opened_paths) == 1
    assert str(md_file.resolve()) in [str(Path(p).resolve()) for p in opened_paths]