from services.security import get_password_hash, verify_password


def test_password_hashing():
    password = "testpassword"
    hashed_password = get_password_hash(password)
    assert verify_password(password, hashed_password)
    assert not verify_password("wrongpassword", hashed_password)


def test_register_user(api_client):
    response = api_client.post(
        "/users/register",
        json={
            "username": "testuser",
            "email": "test@example.com",
            "password": "testpassword",
        },
    )
    assert response.status_code == 201
    data = response.json()
    assert data["username"] == "testuser"
    assert data["email"] == "test@example.com"
    assert "id" in data
    assert "role_id" in data

    response = api_client.post(
        "/users/register",
        json={
            "username": "testuser",
            "email": "another@example.com",
            "password": "testpassword",
        },
    )
    assert response.status_code == 400
    assert response.json() == {"detail": "Username already registered"}

    response = api_client.post(
        "/users/register",
        json={
            "username": "anotheruser",
            "email": "test@example.com",
            "password": "testpassword",
        },
    )
    assert response.status_code == 400
    assert response.json() == {"detail": "Email already registered"}


def test_login_user(api_client):
    # Register a user first
    api_client.post(
        "/users/register",
        json={
            "username": "loginuser",
            "email": "login@example.com",
            "password": "loginpassword",
        },
    )

    response = api_client.post(
        "/users/login",
        json={"username": "loginuser", "password": "loginpassword"},
    )
    assert response.status_code == 200
    data = response.json()
    assert "access_token" in data
    assert data["token_type"] == "bearer"

    response = api_client.post(
        "/users/login",
        json={"username": "loginuser", "password": "wrongpassword"},
    )
    assert response.status_code == 401
    assert response.json() == {"detail": "Incorrect username or password"}

    response = api_client.post(
        "/users/login",
        json={"username": "nonexistent", "password": "password"},
    )
    assert response.status_code == 401
    assert response.json() == {"detail": "Incorrect username or password"}


def test_read_users_me(api_client):
    # Register a user first
    api_client.post(
        "/users/register",
        json={
            "username": "profileuser",
            "email": "profile@example.com",
            "password": "profilepassword",
        },
    )
    # Login to get a token
    login_response = api_client.post(
        "/users/login",
        json={"username": "profileuser", "password": "profilepassword"},
    )
    token = login_response.json()["access_token"]

    response = api_client.get(
        "/users/me", headers={"Authorization": f"Bearer {token}"}
    )
    assert response.status_code == 200
    data = response.json()
    assert data["username"] == "profileuser"
    assert data["email"] == "profile@example.com"


def test_update_users_me(api_client):
    # Register a user first
    api_client.post(
        "/users/register",
        json={
            "username": "updateuser",
            "email": "update@example.com",
            "password": "updatepassword",
        },
    )
    # Login to get a token
    login_response = api_client.post(
        "/users/login",
        json={"username": "updateuser", "password": "updatepassword"},
    )
    token = login_response.json()["access_token"]

    response = api_client.put(
        "/users/me",
        headers={"Authorization": f"Bearer {token}"},
        json={
            "username": "updateduser",
            "email": "updated@example.com",
            "password": "newpassword",
        },
    )
    assert response.status_code == 200
    data = response.json()
    assert data["username"] == "updateduser"
    assert data["email"] == "updated@example.com"

    # Verify password change
    response = api_client.post(
        "/users/login",
        json={"username": "updateduser", "password": "newpassword"},
    )
    assert response.status_code == 200
    token = response.json()["access_token"]

    # Test username already taken
    api_client.post(
        "/users/register",
        json={
            "username": "anotherupdateuser",
            "email": "anotherupdate@example.com",
            "password": "password",
        },
    )
    response = api_client.put(
        "/users/me",
        headers={"Authorization": f"Bearer {token}"},
        json={
            "username": "anotherupdateuser",
        },
    )
    assert response.status_code == 400
    assert response.json() == {"detail": "Username already taken"}

    # Test email already registered
    api_client.post(
        "/users/register",
        json={
            "username": "yetanotheruser",
            "email": "yetanother@example.com",
            "password": "password",
        },
    )
    response = api_client.put(
        "/users/me",
        headers={"Authorization": f"Bearer {token}"},
        json={
            "email": "yetanother@example.com",
        },
    )
    assert response.status_code == 400
    assert response.json() == {"detail": "Email already registered"}


def test_forgot_password(api_client):
    response = api_client.post(
        "/users/forgot-password", json={"email": "nonexistent@example.com"}
    )
    assert response.status_code == 200
    assert response.json() == {
        "message": "Password reset email sent (not really)"}


def test_reset_password(api_client):
    # Register a user first
    api_client.post(
        "/users/register",
        json={
            "username": "resetuser",
            "email": "reset@example.com",
            "password": "oldpassword",
        },
    )

    response = api_client.post(
        "/users/reset-password",
        json={
            "token": "resetuser",  # Use username as token for test
            "new_password": "newpassword",
        },
    )
    assert response.status_code == 200
    assert response.json() == {
        "message": "Password has been reset successfully"}

    # Verify password change
    response = api_client.post(
        "/users/login",
        json={"username": "resetuser", "password": "newpassword"},
    )
    assert response.status_code == 200

    response = api_client.post(
        "/users/login",
        json={"username": "resetuser", "password": "oldpassword"},
    )
    assert response.status_code == 401