"""Tests for ecommerce domain journeys in VenomQA."""

from __future__ import annotations

from unittest.mock import MagicMock

from venomqa import Journey


class TestEcommerceDomainsImports:
    """Tests for ecommerce domain module structure."""

    def test_ecommerce_module_imports(self) -> None:
        from venomqa.domains import ecommerce

        assert ecommerce is not None

    def test_ecommerce_has_expected_journeys(self) -> None:
        from venomqa.domains.ecommerce import (
            checkout_flow,
            express_checkout_flow,
            guest_checkout_flow,
            inventory_reconciliation_flow,
            inventory_update_flow,
            payment_failure_flow,
            payment_processing_flow,
            refund_flow,
            stock_alert_flow,
        )

        assert isinstance(checkout_flow, Journey)
        assert isinstance(guest_checkout_flow, Journey)
        assert isinstance(express_checkout_flow, Journey)
        assert isinstance(inventory_update_flow, Journey)
        assert isinstance(stock_alert_flow, Journey)
        assert isinstance(inventory_reconciliation_flow, Journey)
        assert isinstance(payment_processing_flow, Journey)
        assert isinstance(refund_flow, Journey)
        assert isinstance(payment_failure_flow, Journey)


class TestCheckoutFlows:
    """Tests for checkout-related journey flows."""

    def test_checkout_flow_structure(self) -> None:
        from venomqa.domains.ecommerce import checkout_flow

        assert checkout_flow.name == "ecommerce_checkout"
        assert "checkout" in checkout_flow.description.lower()
        assert len(checkout_flow.steps) > 0

    def test_guest_checkout_flow_structure(self) -> None:
        from venomqa.domains.ecommerce import guest_checkout_flow

        assert guest_checkout_flow.name == "ecommerce_guest_checkout"
        assert "guest" in guest_checkout_flow.description.lower()

    def test_express_checkout_flow_structure(self) -> None:
        from venomqa.domains.ecommerce import express_checkout_flow

        assert express_checkout_flow.name == "ecommerce_express_checkout"
        assert "express" in express_checkout_flow.description.lower()


class TestInventoryFlows:
    """Tests for inventory-related journey flows."""

    def test_inventory_update_flow_structure(self) -> None:
        from venomqa.domains.ecommerce import inventory_update_flow

        assert inventory_update_flow.name == "ecommerce_inventory_update"
        assert len(inventory_update_flow.steps) > 0

    def test_stock_alert_flow_structure(self) -> None:
        from venomqa.domains.ecommerce import stock_alert_flow

        assert stock_alert_flow.name == "ecommerce_stock_alert"
        assert len(stock_alert_flow.steps) > 0

    def test_inventory_reconciliation_flow_structure(self) -> None:
        from venomqa.domains.ecommerce import inventory_reconciliation_flow

        assert inventory_reconciliation_flow.name == "ecommerce_inventory_reconciliation"
        assert len(inventory_reconciliation_flow.steps) > 0


class TestPaymentFlows:
    """Tests for payment-related journey flows."""

    def test_payment_processing_flow_structure(self) -> None:
        from venomqa.domains.ecommerce import payment_processing_flow

        assert payment_processing_flow.name == "ecommerce_payment_processing"
        assert len(payment_processing_flow.steps) > 0

    def test_refund_flow_structure(self) -> None:
        from venomqa.domains.ecommerce import refund_flow

        assert refund_flow.name == "ecommerce_refund"
        assert len(refund_flow.steps) > 0

    def test_payment_failure_flow_structure(self) -> None:
        from venomqa.domains.ecommerce import payment_failure_flow

        assert payment_failure_flow.name == "ecommerce_payment_failure"
        assert len(payment_failure_flow.steps) > 0


class TestEcommerceJourneyPatterns:
    """Tests for common ecommerce journey patterns."""

    def test_mock_checkout_journey(self) -> None:
        mock_client = MagicMock()
        mock_response = MagicMock()
        mock_response.status_code = 200
        mock_response.json.return_value = {
            "cart_id": "cart-123",
            "items": [{"product_id": "prod-1", "quantity": 2}],
            "total": 99.99,
        }
        mock_client.get.return_value = mock_response

        response = mock_client.get("/api/cart")
        assert response.status_code == 200
        assert response.json()["cart_id"] == "cart-123"

    def test_mock_add_to_cart_journey(self) -> None:
        mock_client = MagicMock()
        mock_response = MagicMock()
        mock_response.status_code = 201
        mock_response.json.return_value = {"success": True, "cart_item_id": "item-456"}
        mock_client.post.return_value = mock_response

        response = mock_client.post("/api/cart/items", json={"product_id": "prod-1", "quantity": 1})
        assert response.status_code == 201
        assert response.json()["success"] is True

    def test_mock_payment_journey(self) -> None:
        mock_client = MagicMock()
        mock_response = MagicMock()
        mock_response.status_code = 200
        mock_response.json.return_value = {
            "payment_id": "pay-789",
            "status": "completed",
            "amount": 99.99,
        }
        mock_client.post.return_value = mock_response

        response = mock_client.post(
            "/api/payments", json={"cart_id": "cart-123", "payment_method": "credit_card"}
        )
        assert response.status_code == 200
        assert response.json()["status"] == "completed"

    def test_mock_inventory_check_journey(self) -> None:
        mock_client = MagicMock()
        mock_response = MagicMock()
        mock_response.status_code = 200
        mock_response.json.return_value = {"product_id": "prod-1", "in_stock": True, "quantity": 50}
        mock_client.get.return_value = mock_response

        response = mock_client.get("/api/inventory/prod-1")
        assert response.json()["in_stock"] is True

    def test_mock_order_creation_journey(self) -> None:
        mock_client = MagicMock()
        mock_response = MagicMock()
        mock_response.status_code = 201
        mock_response.json.return_value = {
            "order_id": "order-999",
            "status": "pending",
            "total": 99.99,
        }
        mock_client.post.return_value = mock_response

        response = mock_client.post(
            "/api/orders", json={"cart_id": "cart-123", "payment_id": "pay-789"}
        )
        assert response.status_code == 201
        assert "order_id" in response.json()

    def test_mock_refund_journey(self) -> None:
        mock_client = MagicMock()
        mock_response = MagicMock()
        mock_response.status_code = 200
        mock_response.json.return_value = {
            "refund_id": "refund-111",
            "status": "processed",
            "amount": 99.99,
        }
        mock_client.post.return_value = mock_response

        response = mock_client.post(
            "/api/refunds", json={"order_id": "order-999", "reason": "customer_request"}
        )
        assert response.json()["status"] == "processed"


class TestEcommerceErrorScenarios:
    """Tests for error scenarios in ecommerce flows."""

    def test_out_of_stock_scenario(self) -> None:
        mock_client = MagicMock()
        mock_response = MagicMock()
        mock_response.status_code = 400
        mock_response.json.return_value = {
            "error": "out_of_stock",
            "message": "Product is out of stock",
        }
        mock_client.post.return_value = mock_response

        response = mock_client.post(
            "/api/cart/items", json={"product_id": "prod-out-of-stock", "quantity": 1}
        )
        assert response.status_code == 400
        assert response.json()["error"] == "out_of_stock"

    def test_payment_declined_scenario(self) -> None:
        mock_client = MagicMock()
        mock_response = MagicMock()
        mock_response.status_code = 402
        mock_response.json.return_value = {
            "error": "payment_declined",
            "message": "Card was declined",
        }
        mock_client.post.return_value = mock_response

        response = mock_client.post(
            "/api/payments", json={"cart_id": "cart-123", "payment_method": "credit_card"}
        )
        assert response.status_code == 402

    def test_cart_expired_scenario(self) -> None:
        mock_client = MagicMock()
        mock_response = MagicMock()
        mock_response.status_code = 410
        mock_response.json.return_value = {"error": "cart_expired", "message": "Cart has expired"}
        mock_client.get.return_value = mock_response

        response = mock_client.get("/api/cart/expired-cart")
        assert response.status_code == 410


class TestEcommerceDataValidation:
    """Tests for ecommerce data validation."""

    def test_product_data_structure(self) -> None:
        product = {
            "id": "prod-1",
            "name": "Test Product",
            "price": 29.99,
            "sku": "SKU-123",
            "in_stock": True,
        }
        assert product["id"] == "prod-1"
        assert product["price"] > 0
        assert isinstance(product["in_stock"], bool)

    def test_cart_data_structure(self) -> None:
        cart = {
            "id": "cart-1",
            "items": [{"product_id": "prod-1", "quantity": 2, "price": 29.99}],
            "subtotal": 59.98,
            "tax": 5.40,
            "total": 65.38,
        }
        assert len(cart["items"]) == 1
        assert cart["total"] == cart["subtotal"] + cart["tax"]

    def test_order_data_structure(self) -> None:
        order = {
            "id": "order-1",
            "customer_id": "cust-1",
            "items": [],
            "status": "pending",
            "shipping_address": {"street": "123 Main St", "city": "New York", "zip": "10001"},
        }
        assert order["status"] == "pending"
        assert "shipping_address" in order

    def test_payment_data_structure(self) -> None:
        payment = {
            "id": "pay-1",
            "order_id": "order-1",
            "amount": 99.99,
            "currency": "USD",
            "status": "completed",
            "method": "credit_card",
        }
        assert payment["status"] == "completed"
        assert payment["currency"] == "USD"
