from datetime import date
from decimal import Decimal
from unittest.mock import MagicMock
from uuid import UUID

import pytest
from fastapi.testclient import TestClient

from app.api import v1_portfolios
from app.domain.models import CorporateAction, Portfolio
from app.main import create_app
from app.repositories.postgres import PostgresPortfolioRepository


class MissingPortfolioRepo:
    def get(self, portfolio_id):
        raise ValueError("포트폴리오를 찾을 수 없습니다")

    def close(self):
        pass


def test_create_corporate_action_maps_postgres_missing_portfolio_to_404(monkeypatch):
    app = create_app()
    repo = MissingPortfolioRepo()
    monkeypatch.setattr(v1_portfolios, "_get_repo", lambda: repo)
    app.dependency_overrides[v1_portfolios.require_trade_write] = lambda: type("Auth", (), {"user_id": "u1", "permission": "trade_write"})()
    client = TestClient(app)
    response = client.post(
        "/v1/portfolios/missing/corporate-actions",
        headers={"Idempotency-Key": "idem-1"},
        json={"effective_date": "2026-01-01", "quantity_before": "10", "quantity_after": "5", "evidence_ref": "ev"},
    )
    assert response.status_code == 404
    assert response.json()["detail"] == "Portfolio not found"


def _action(asset_id="asset-1"):
    return CorporateAction("ca-1", "pf-1", asset_id, "stock_consolidation", date(2026, 1, 1), Decimal("0"), Decimal("1"), Decimal("0"), Decimal("0"), Decimal("0"), Decimal("10"), Decimal("0"), "ev", "idem", "hash", 0)


def _repo_for_row(asset_id):
    repo = object.__new__(PostgresPortfolioRepository)
    repo.ensure_schema = MagicMock()
    conn = MagicMock()
    cur = MagicMock()
    conn.__enter__.return_value = conn
    conn.cursor.return_value.__enter__.return_value = cur
    repo._connect = MagicMock(return_value=conn)
    cur.fetchone.side_effect = [(Decimal("0"), Decimal("10"), Decimal("0"), asset_id, "enabled"), None, None, None, (7, date(2026, 1, 1))]
    cur.fetchall.return_value = []
    return repo


def test_record_corporate_action_accepts_uuid_row_against_string_domain_id():
    asset = UUID("12345678-1234-5678-1234-567812345678")
    action = _action(str(asset))
    saved = _repo_for_row(asset).record_corporate_action("pf-1", action=action, idempotency_key="idem", payload_hash="hash")
    assert saved.ledger_entry_id == 7


def test_record_corporate_action_rejects_different_asset_id():
    repo = _repo_for_row(UUID("12345678-1234-5678-1234-567812345678"))
    with pytest.raises(ValueError, match="CORPORATE_ACTION_ASSET_MISMATCH"):
        repo.record_corporate_action("pf-1", action=_action("87654321-4321-8765-4321-876543218765"), idempotency_key="idem", payload_hash="hash")