from __future__ import annotations

from datetime import datetime, timedelta, timezone

from fastapi.testclient import TestClient
from sqlalchemy import create_engine
from sqlalchemy.orm import Session
from sqlalchemy.pool import StaticPool

from app.database import Base, get_session
from app.main import app
from app.models import Bait, BaitKind, CatchReport, Fish, ModerationStatus, SourceType, Spot, Waterbody


engine = create_engine("sqlite://", connect_args={"check_same_thread": False}, poolclass=StaticPool)
Base.metadata.create_all(engine)


def override_session():
    with Session(engine) as session:
        yield session


app.dependency_overrides[get_session] = override_session
client = TestClient(app)


def setup_module() -> None:
    with Session(engine) as db:
        waterbody = Waterbody(slug="test-lake", name_ru="Тестовое озеро", unlock_level=1)
        fish = Fish(slug="pike", name_ru="Щука", trophy_weight_g=10_000)
        bait = Bait(name="Тестовая приманка", normalized_name="тестовая приманка", kind=BaitKind.lure)
        spot = Spot(waterbody=waterbody, x=10, y=20, description="Тестовая точка")
        db.add_all([waterbody, fish, bait, spot])
        now = datetime.now(timezone.utc)
        for index in range(3):
            db.add(CatchReport(fish=fish, spot=spot, waterbody=waterbody, bait=bait, weight_g=3000 + index * 1000, fishing_method="spinning", reported_at=now - timedelta(hours=index), caught_at=now - timedelta(hours=index), player_name=f"Player {index}", source_type=SourceType.manual_import, source_confidence=90, moderation_status=ModerationStatus.approved))
        db.commit()


def test_activity_filters_and_explains_score() -> None:
    response = client.get("/api/v1/activity?waterbody=test-lake&fish=pike&hours=24")
    assert response.status_code == 200
    payload = response.json()
    assert len(payload) == 1
    assert payload[0]["catches"] == 3
    assert payload[0]["unique_players"] == 3
    assert "3 свежих уловов" in payload[0]["explanation"]


def test_invalid_period_is_rejected() -> None:
    assert client.get("/api/v1/activity?hours=13").status_code == 422


def test_spot_detail_and_catches() -> None:
    spot_id = client.get("/api/v1/activity").json()[0]["spot_id"]
    detail = client.get(f"/api/v1/spots/{spot_id}")
    catches = client.get(f"/api/v1/spots/{spot_id}/catches")
    assert detail.status_code == 200
    assert detail.json()["catches_24h"] == 3
    assert catches.status_code == 200
    assert len(catches.json()) == 3


def test_records_list_is_empty_before_import() -> None:
    response = client.get("/api/v1/records")
    assert response.status_code == 200
    assert response.json() == []