from fastapi.testclient import TestClient
from sqlalchemy.orm import Session

from app.models.user import User
from app.models.user_profile import UserProfile


class TestListUsers:
    def test_empty(self, client: TestClient):
        resp = client.get("/v1/users/")
        assert resp.status_code == 200
        assert resp.json() == []

    def test_includes_profile(self, client: TestClient, db_session: Session):
        user = User(email="prof@ex.com", username="prof", password="x")
        db_session.add(user)
        db_session.flush()
        db_session.add(UserProfile(user_id=user.id, full_name="Profile Test"))
        db_session.commit()

        resp = client.get("/v1/users/")
        data = resp.json()
        assert data[0]["profile"]["full_name"] == "Profile Test"


class TestGetUser:
    def test_found(self, client: TestClient, db_session: Session):
        user = User(email="get@ex.com", username="get", password="x")
        db_session.add(user)
        db_session.commit()

        resp = client.get(f"/v1/users/{user.id}")
        assert resp.status_code == 200
        assert resp.json()["email"] == "get@ex.com"

    def test_detail_response(self, client: TestClient, db_session: Session):
        user = User(email="det@ex.com", username="det", password="x")
        db_session.add(user)
        db_session.flush()
        db_session.add(UserProfile(user_id=user.id, full_name="Detail Name"))
        db_session.commit()

        resp = client.get(f"/v1/users/{user.id}")
        assert resp.json()["profile"]["full_name"] == "Detail Name"

    def test_not_found(self, client: TestClient):
        resp = client.get("/v1/users/nonexistent")
        assert resp.status_code == 404
        assert resp.json() == {"message": "The item does not exist"}


class TestCreateUser:
    def test_created(self, client: TestClient):
        payload = {
            "email": "new@ex.com",
            "username": "newuser",
            "password": "secret",
            "full_name": "New User",
        }
        resp = client.post("/v1/users/", json=payload)
        assert resp.status_code == 201
        assert resp.json() == {"message": "The item was created successfully"}
        assert resp.headers.get("Location") is not None

    def test_duplicate(self, client: TestClient, db_session: Session):
        db_session.add(User(email="dup@ex.com", username="dup", password="x"))
        db_session.commit()

        payload = {
            "email": "dup@ex.com",
            "username": "dup",
            "password": "x",
            "full_name": "Dup",
        }
        resp = client.post("/v1/users/", json=payload)
        assert resp.status_code == 409
        assert resp.json() == {"message": "Email or username already registered"}


class TestUpdateUser:
    def test_update(self, client: TestClient, db_session: Session):
        user = User(email="upd@ex.com", username="upd", password="x")
        db_session.add(user)
        db_session.flush()
        db_session.add(UserProfile(user_id=user.id, full_name="Original"))
        db_session.commit()

        resp = client.put(f"/v1/users/{user.id}", json={"full_name": "Updated"})
        assert resp.status_code == 200
        assert resp.json()["profile"]["full_name"] == "Updated"

    def test_not_found(self, client: TestClient):
        resp = client.put("/v1/users/nonexistent", json={"full_name": "X"})
        assert resp.status_code == 404
        assert resp.json() == {"message": "The item does not exist"}


class TestDeleteUser:
    def test_deleted(self, client: TestClient, db_session: Session):
        user = User(email="del@ex.com", username="del", password="x")
        db_session.add(user)
        db_session.commit()

        resp = client.delete(f"/v1/users/{user.id}")
        assert resp.status_code == 204

    def test_not_found(self, client: TestClient):
        resp = client.delete("/v1/users/nonexistent")
        assert resp.status_code == 404
        assert resp.json() == {"message": "The item does not exist"}