"""
E2E tests for portfolio management flow.
"""
import pytest
from fastapi.testclient import TestClient


def test_portfolio_crud_flow(client: TestClient, auth_headers):
    """Test complete portfolio CRUD flow."""
    # Create portfolio
    response = client.post(
        "/api/portfolios",
        json={
            "name": "Test Portfolio",
            "portfolio_type": "pension",
        },
        headers=auth_headers,
    )
    assert response.status_code == 201
    portfolio = response.json()
    portfolio_id = portfolio["id"]
    assert portfolio["name"] == "Test Portfolio"
    assert portfolio["portfolio_type"] == "pension"

    # Get portfolio list
    response = client.get("/api/portfolios", headers=auth_headers)
    assert response.status_code == 200
    portfolios = response.json()
    assert len(portfolios) == 1
    assert portfolios[0]["id"] == portfolio_id

    # Get single portfolio
    response = client.get(f"/api/portfolios/{portfolio_id}", headers=auth_headers)
    assert response.status_code == 200
    assert response.json()["id"] == portfolio_id

    # Update portfolio
    response = client.put(
        f"/api/portfolios/{portfolio_id}",
        json={"name": "Updated Portfolio"},
        headers=auth_headers,
    )
    assert response.status_code == 200
    assert response.json()["name"] == "Updated Portfolio"

    # Delete portfolio
    response = client.delete(f"/api/portfolios/{portfolio_id}", headers=auth_headers)
    assert response.status_code == 204

    # Verify deleted
    response = client.get(f"/api/portfolios/{portfolio_id}", headers=auth_headers)
    assert response.status_code == 404


def test_targets_flow(client: TestClient, auth_headers):
    """Test portfolio target allocation flow."""
    # Create portfolio
    response = client.post(
        "/api/portfolios",
        json={"name": "Target Test Portfolio", "portfolio_type": "general"},
        headers=auth_headers,
    )
    portfolio_id = response.json()["id"]

    # Set targets
    targets = [
        {"ticker": "005930", "target_ratio": 40},
        {"ticker": "000660", "target_ratio": 30},
        {"ticker": "035420", "target_ratio": 30},
    ]
    response = client.put(
        f"/api/portfolios/{portfolio_id}/targets",
        json=targets,
        headers=auth_headers,
    )
    assert response.status_code == 200
    result = response.json()
    assert len(result) == 3
    assert sum(t["target_ratio"] for t in result) == 100

    # Get targets
    response = client.get(
        f"/api/portfolios/{portfolio_id}/targets",
        headers=auth_headers,
    )
    assert response.status_code == 200
    assert len(response.json()) == 3

    # Test invalid targets (not 100%)
    invalid_targets = [
        {"ticker": "005930", "target_ratio": 50},
        {"ticker": "000660", "target_ratio": 30},
    ]
    response = client.put(
        f"/api/portfolios/{portfolio_id}/targets",
        json=invalid_targets,
        headers=auth_headers,
    )
    assert response.status_code == 400


def test_holdings_flow(client: TestClient, auth_headers):
    """Test portfolio holdings flow."""
    # Create portfolio
    response = client.post(
        "/api/portfolios",
        json={"name": "Holdings Test Portfolio", "portfolio_type": "general"},
        headers=auth_headers,
    )
    portfolio_id = response.json()["id"]

    # Set holdings
    holdings = [
        {"ticker": "005930", "quantity": 10, "avg_price": 70000},
        {"ticker": "000660", "quantity": 5, "avg_price": 120000},
    ]
    response = client.put(
        f"/api/portfolios/{portfolio_id}/holdings",
        json=holdings,
        headers=auth_headers,
    )
    assert response.status_code == 200
    result = response.json()
    assert len(result) == 2

    # Get holdings
    response = client.get(
        f"/api/portfolios/{portfolio_id}/holdings",
        headers=auth_headers,
    )
    assert response.status_code == 200
    assert len(response.json()) == 2


def test_transaction_flow(client: TestClient, auth_headers):
    """Test transaction recording flow."""
    # Create portfolio with initial holdings
    response = client.post(
        "/api/portfolios",
        json={"name": "Transaction Test Portfolio", "portfolio_type": "general"},
        headers=auth_headers,
    )
    portfolio_id = response.json()["id"]

    # Buy transaction
    response = client.post(
        f"/api/portfolios/{portfolio_id}/transactions",
        json={
            "ticker": "005930",
            "tx_type": "buy",
            "quantity": 10,
            "price": 70000,
            "executed_at": "2024-01-15T10:00:00",
            "memo": "Initial purchase",
        },
        headers=auth_headers,
    )
    assert response.status_code == 201
    tx = response.json()
    assert tx["ticker"] == "005930"
    assert tx["tx_type"] == "buy"

    # Verify holdings updated
    response = client.get(
        f"/api/portfolios/{portfolio_id}/holdings",
        headers=auth_headers,
    )
    holdings = response.json()
    assert len(holdings) == 1
    assert holdings[0]["ticker"] == "005930"
    assert holdings[0]["quantity"] == 10

    # Sell transaction
    response = client.post(
        f"/api/portfolios/{portfolio_id}/transactions",
        json={
            "ticker": "005930",
            "tx_type": "sell",
            "quantity": 5,
            "price": 75000,
            "executed_at": "2024-01-16T10:00:00",
        },
        headers=auth_headers,
    )
    assert response.status_code == 201

    # Verify holdings updated
    response = client.get(
        f"/api/portfolios/{portfolio_id}/holdings",
        headers=auth_headers,
    )
    holdings = response.json()
    assert holdings[0]["quantity"] == 5

    # Get transactions
    response = client.get(
        f"/api/portfolios/{portfolio_id}/transactions",
        headers=auth_headers,
    )
    assert response.status_code == 200
    txs = response.json()
    assert len(txs) == 2


def test_unauthorized_access(client: TestClient, auth_headers):
    """Test that users can't access other users' portfolios."""
    # Create portfolio with test user
    response = client.post(
        "/api/portfolios",
        json={"name": "Private Portfolio", "portfolio_type": "general"},
        headers=auth_headers,
    )
    portfolio_id = response.json()["id"]

    # Try to access without auth
    response = client.get(f"/api/portfolios/{portfolio_id}")
    assert response.status_code == 401