"""Tests for account ownership transfer."""

import pytest
from httpx import AsyncClient


@pytest.mark.asyncio
class TestOwnershipTransfer:
    """Test POST /accounts/me/transfer-ownership."""

    async def _create_member(self, client: AsyncClient, owner_headers: dict, test_db):
        """Register a second user and add them to the owner's account."""
        from sqlalchemy import select
        from app.models.user import User

        # Register second user (gets own account)
        resp = await client.post("/api/v1/auth/register", json={
            "email": "member@example.com",
            "password": "TestPassword123!",
            "name": "Member User",
        })
        assert resp.status_code == 201
        member_id = resp.json()["id"]

        # Get owner's account_id
        me = await client.get("/api/v1/auth/me", headers=owner_headers)
        owner_account_id = me.json()["account_id"]

        # Move member to owner's account
        result = await test_db.execute(select(User).where(User.id == member_id))
        member = result.scalar_one()
        member.account_id = owner_account_id
        member.account_role = "engineer"
        await test_db.commit()

        return member_id

    async def test_transfer_success(self, client: AsyncClient, auth_headers: dict, test_db):
        member_id = await self._create_member(client, auth_headers, test_db)
        response = await client.post(
            "/api/v1/accounts/me/transfer-ownership",
            json={"current_password": "TestPassword123!", "target_user_id": member_id},
            headers=auth_headers,
        )
        assert response.status_code == 200
        assert response.json()["owner_id"] == member_id

    async def test_transfer_self(self, client: AsyncClient, auth_headers: dict, test_user):
        response = await client.post(
            "/api/v1/accounts/me/transfer-ownership",
            json={"current_password": "TestPassword123!", "target_user_id": test_user["user_data"]["id"]},
            headers=auth_headers,
        )
        assert response.status_code == 400

    async def test_transfer_wrong_password(self, client: AsyncClient, auth_headers: dict, test_db):
        member_id = await self._create_member(client, auth_headers, test_db)
        response = await client.post(
            "/api/v1/accounts/me/transfer-ownership",
            json={"current_password": "WrongPassword123!", "target_user_id": member_id},
            headers=auth_headers,
        )
        assert response.status_code == 401