"""Unit tests for publish-help request schema and email delivery."""

from unittest.mock import MagicMock, patch

import pytest
from pydantic import ValidationError

from app.schemas.admin import PublishHelpRequest


class TestPublishHelpRequestSchema:
    """R-029: Publish-help endpoint uses validated Pydantic schema."""

    def test_valid_minimal_request(self):
        req = PublishHelpRequest(
            book_title="My Book",
            platform_ids=["amazon", "kobo"],
        )
        assert req.book_title == "My Book"
        assert req.platform_ids == ["amazon", "kobo"]
        assert req.message == ""

    def test_rejects_empty_platform_list(self):
        with pytest.raises(ValidationError):
            PublishHelpRequest(book_title="My Book", platform_ids=[])

    def test_rejects_unknown_platform(self):
        with pytest.raises(ValidationError):
            PublishHelpRequest(book_title="My Book", platform_ids=["unknown_store"])

    def test_rejects_invalid_book_id_uuid(self):
        with pytest.raises(ValidationError):
            PublishHelpRequest(
                book_title="My Book",
                book_id="not-a-uuid",
                platform_ids=["amazon"],
            )

    def test_accepts_valid_book_id_uuid(self):
        req = PublishHelpRequest(
            book_title="My Book",
            book_id="550e8400-e29b-41d4-a716-446655440000",
            platform_ids=["amazon"],
            message="Need KDP help",
            source_url="https://amazon.com/dp/123",
        )
        assert req.book_id == "550e8400-e29b-41d4-a716-446655440000"

    def test_rejects_oversized_message(self):
        with pytest.raises(ValidationError):
            PublishHelpRequest(
                book_title="My Book",
                platform_ids=["amazon"],
                message="x" * 2001,
            )


class TestPublishHelpEmail:
    """Email service sends publish-help to SUPPORT_EMAIL."""

    @patch("app.services.email_service.EmailService._send")
    def test_send_publish_help_request(self, mock_send):
        from app.services.email_service import EmailService

        with patch("app.services.email_service.cfg") as mock_cfg:
            mock_cfg.SUPPORT_EMAIL = "support@example.com"
            mock_cfg.EMAIL_FROM_ADDRESS = "noreply@example.com"
            mock_cfg.EMAIL_FROM_NAME = "AuthorBot"
            svc = EmailService()
            svc.send_publish_help_request(
                author_name="Jane Author",
                author_email="jane@example.com",
                book_title="Test Book",
                platform_names=["Amazon", "Kobo"],
                message="Please help",
                submitted_at="2026-07-04T12:00:00+00:00",
                book_id="550e8400-e29b-41d4-a716-446655440000",
                isbn="9781234567890",
                book_author="Jane Author",
                source_url="https://amazon.com/dp/123",
            )

        mock_send.assert_called_once()
        assert mock_send.call_args[0][0] == "support@example.com"
        assert "Test Book" in mock_send.call_args[0][1]

    @patch("app.services.email_service.EmailService._send")
    def test_send_publish_help_confirmation(self, mock_send):
        from app.services.email_service import EmailService

        svc = EmailService()
        svc.send_publish_help_confirmation(
            to="jane@example.com",
            name="Jane",
            book_title="Test Book",
            platform_names=["Amazon"],
        )
        mock_send.assert_called_once()
        assert mock_send.call_args[0][0] == "jane@example.com"