import json

from tests.helpers import auth_headers, client, create_pending_order
from app.core.config import get_settings
from app.services.payments.gateway import MockPaymentGateway, get_payment_gateway


def _pay_and_get_ticket():
    token, checkout = create_pending_order()
    gateway = get_payment_gateway()
    assert isinstance(gateway, MockPaymentGateway)
    payment = checkout["payment"]
    payment_id = f"mock_pay_{checkout['id']}"
    signature = gateway.build_mock_checkout_signature(payment["provider_order_id"], payment_id)
    client.post(
        f"/api/orders/{checkout['id']}/payment/verify",
        headers=auth_headers(token),
        json={
            "provider_order_id": payment["provider_order_id"],
            "provider_payment_id": payment_id,
            "signature": signature,
        },
    )
    tickets = client.get("/api/tickets/my", headers=auth_headers(token)).json()
    ticket_id = tickets[0]["id"]
    return token, ticket_id


def test_ticket_detail_includes_qr() -> None:
    token, ticket_id = _pay_and_get_ticket()
    response = client.get(f"/api/tickets/{ticket_id}", headers=auth_headers(token))
    assert response.status_code == 200
    body = response.json()
    assert body["qr_image_base64"]
    assert body["event_title"]
    assert body["venue_name"]
    assert body["ticket_type_name"]
    assert body["code"].startswith("DC-")
    payload = json.loads(body["qr_payload"])
    assert payload["token"] == body["qr_token"]


def test_verify_marks_ticket_used_and_prevents_reuse() -> None:
    token, ticket_id = _pay_and_get_ticket()
    detail = client.get(f"/api/tickets/{ticket_id}", headers=auth_headers(token)).json()
    qr_token = detail["qr_token"]

    settings = get_settings()
    headers = {}
    if settings.ticket_verify_api_key:
        headers["X-Check-In-Key"] = settings.ticket_verify_api_key

    first = client.post("/api/tickets/verify", json={"qr_token": qr_token}, headers=headers)
    assert first.status_code == 200
    assert first.json()["valid"] is True
    assert first.json()["status"] == "used"

    second = client.post("/api/tickets/verify", json={"qr_token": qr_token}, headers=headers)
    assert second.status_code == 200
    assert second.json()["valid"] is False
    assert "already used" in second.json()["message"].lower()