import os
import tempfile


# Ensure repo root is on sys.path when running as a script.
import sys

ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
if ROOT not in sys.path:
    sys.path.insert(0, ROOT)

from app import create_app
from app.extensions import db
from app.models import Company, Playlist, PlaylistItem, User


def main():
    # Use a temporary SQLite DB so this doesn't touch your real instance DB.
    fd, path = tempfile.mkstemp(prefix="rssfeed-test-", suffix=".sqlite")
    os.close(fd)
    try:
        os.environ["DATABASE_URL"] = f"sqlite:///{path}"
        os.environ["SECRET_KEY"] = "test-secret"

        app = create_app()

        with app.app_context():
            db.create_all()

            c = Company(name="TestCo")
            db.session.add(c)
            db.session.commit()

            u = User(username="test@example.com", email="test@example.com", is_admin=False, company_id=c.id)
            u.set_password("passw0rd123")
            db.session.add(u)
            db.session.commit()

            p = Playlist(company_id=c.id, name="Playlist")
            db.session.add(p)
            db.session.commit()

            i1 = PlaylistItem(playlist_id=p.id, item_type="webpage", url="https://example.com/1", position=1)
            i2 = PlaylistItem(playlist_id=p.id, item_type="webpage", url="https://example.com/2", position=2)
            i3 = PlaylistItem(playlist_id=p.id, item_type="webpage", url="https://example.com/3", position=3)
            db.session.add_all([i1, i2, i3])
            db.session.commit()

            client = app.test_client()

            # Login
            res = client.post(
                "/auth/login",
                data={"email": "test@example.com", "password": "passw0rd123"},
                follow_redirects=False,
            )
            if res.status_code not in (302, 303):
                raise SystemExit(f"Login failed: {res.status_code}")

            # Reorder: 3,2,1
            reorder_url = f"/company/playlists/{p.id}/items/reorder"
            res = client.post(
                reorder_url,
                data={"order": f"{i3.id},{i2.id},{i1.id}"},
                headers={"Accept": "application/json", "X-Requested-With": "XMLHttpRequest"},
            )
            if res.status_code != 200:
                raise SystemExit(f"Reorder failed: {res.status_code} {res.data!r}")
            data = res.get_json(silent=True) or {}
            if not data.get("ok"):
                raise SystemExit(f"Unexpected reorder response: {data}")

            db.session.expire_all()
            ordered = (
                PlaylistItem.query.filter_by(playlist_id=p.id)
                .order_by(PlaylistItem.position.asc())
                .all()
            )
            got = [x.id for x in ordered]
            expected = [i3.id, i2.id, i1.id]
            if got != expected:
                raise SystemExit(f"Order not persisted. expected={expected} got={got}")

            print("OK: reorder endpoint persists positions")
    finally:
        try:
            os.remove(path)
        except OSError:
            pass


if __name__ == "__main__":
    main()