"""Tests for the Jira Search mixin."""

from unittest.mock import ANY, MagicMock

import pytest
import requests

from mcp_atlassian.jira import JiraFetcher
from mcp_atlassian.jira.search import SearchMixin
from mcp_atlassian.models.jira import JiraIssue, JiraSearchResult


class TestSearchMixin:
    """Tests for the SearchMixin class."""

    @pytest.fixture
    def search_mixin(self, jira_fetcher: JiraFetcher) -> SearchMixin:
        """Create a SearchMixin instance with mocked dependencies."""
        mixin = jira_fetcher

        # Mock methods that are typically provided by other mixins
        mixin._clean_text = MagicMock(side_effect=lambda text: text if text else "")

        # Set config with is_cloud=False by default (Server/DC)
        mixin.config = MagicMock()
        mixin.config.is_cloud = False
        mixin.config.projects_filter = None
        mixin.config.url = "https://example.atlassian.net"

        return mixin

    @pytest.fixture
    def mock_issues_response(self) -> dict:
        """Create a mock Jira issues response for testing."""
        return {
            "issues": [
                {
                    "id": "10001",
                    "key": "TEST-123",
                    "fields": {
                        "summary": "Test issue",
                        "issuetype": {"name": "Bug"},
                        "status": {"name": "Open"},
                        "description": "Test description",
                        "created": "2024-01-01T10:00:00.000+0000",
                        "updated": "2024-01-01T11:00:00.000+0000",
                    },
                }
            ],
            "total": 1,
            "startAt": 0,
            "maxResults": 50,
        }

    @pytest.mark.parametrize(
        "is_cloud, expected_method_name",
        [
            (True, "enhanced_jql_get_list_of_tickets"),  # Cloud scenario
            (False, "jql"),  # Server/DC scenario
        ],
    )
    def test_search_issues_calls_correct_method(
        self,
        search_mixin: SearchMixin,
        mock_issues_response,
        is_cloud,
        expected_method_name,
    ):
        """Test that the correct Jira API method is called based on Cloud/Server setting."""
        # Setup: Mock config.is_cloud
        search_mixin.config.is_cloud = is_cloud
        search_mixin.config.projects_filter = None  # No filter for this test
        search_mixin.config.url = (
            "https://test.example.com"  # Model creation needs this
        )

        # Setup: Mock response for both API methods
        search_mixin.jira.enhanced_jql_get_list_of_tickets = MagicMock(
            return_value=mock_issues_response["issues"]
        )
        search_mixin.jira.jql = MagicMock(return_value=mock_issues_response)

        # Determine other method name for assertion
        other_method_name = (
            "jql"
            if expected_method_name == "enhanced_jql_get_list_of_tickets"
            else "enhanced_jql_get_list_of_tickets"
        )

        # Act
        jql_query = "project = TEST"
        result = search_mixin.search_issues(jql_query, limit=10, start=0)

        # Assert: Basic result verification
        assert isinstance(result, JiraSearchResult)
        assert len(result.issues) > 0  # Based on mocked response

        # Assert: Correct method call verification
        expected_method_mock = getattr(search_mixin.jira, expected_method_name)

        # Define expected kwargs based on whether it's Cloud or Server
        expected_kwargs = {
            "limit": 10,
            "expand": None,
        }

        # Add start param only for Server/DC
        if not is_cloud:
            expected_kwargs["start"] = 0

        expected_method_mock.assert_called_once_with(
            jql_query, fields=ANY, **expected_kwargs
        )

        # Assert: Other method was not called
        other_method_mock = getattr(search_mixin.jira, other_method_name)
        other_method_mock.assert_not_called()

    def test_search_issues_basic(self, search_mixin: SearchMixin):
        """Test basic search functionality."""
        # Setup mock response
        mock_issues = {
            "issues": [
                {
                    "id": "10001",
                    "key": "TEST-123",
                    "fields": {
                        "summary": "Test issue",
                        "issuetype": {"name": "Bug"},
                        "status": {"name": "Open"},
                        "description": "Issue description",
                        "created": "2024-01-01T10:00:00.000+0000",
                        "updated": "2024-01-01T11:00:00.000+0000",
                        "priority": {"name": "High"},
                    },
                }
            ],
            "total": 1,
            "startAt": 0,
            "maxResults": 50,
        }
        search_mixin.jira.jql.return_value = mock_issues

        # Call the method
        result = search_mixin.search_issues("project = TEST")

        # Verify
        search_mixin.jira.jql.assert_called_once_with(
            "project = TEST",
            fields=ANY,
            start=0,
            limit=50,
            expand=None,
        )

        # Verify results
        assert isinstance(result, JiraSearchResult)
        assert len(result.issues) == 1
        assert all(isinstance(issue, JiraIssue) for issue in result.issues)
        assert result.total == 1
        assert result.start_at == 0
        assert result.max_results == 50

        # Check the first issue
        issue = result.issues[0]
        assert issue.key == "TEST-123"
        assert issue.summary == "Test issue"
        assert issue.description == "Issue description"
        assert issue.status is not None
        assert issue.status.name == "Open"
        assert issue.issue_type is not None
        assert issue.issue_type.name == "Bug"
        assert issue.priority is not None
        assert issue.priority.name == "High"

        # Remove backward compatibility checks
        assert "Issue description" in issue.description
        assert issue.key == "TEST-123"

    def test_search_issues_with_empty_description(self, search_mixin: SearchMixin):
        """Test search with issues that have no description."""
        # Setup mock response
        mock_issues = {
            "issues": [
                {
                    "id": "10001",
                    "key": "TEST-123",
                    "fields": {
                        "summary": "Test issue",
                        "issuetype": {"name": "Bug"},
                        "status": {"name": "Open"},
                        "description": None,
                        "created": "2024-01-01T10:00:00.000+0000",
                        "updated": "2024-01-01T11:00:00.000+0000",
                    },
                }
            ],
            "total": 1,
            "startAt": 0,
            "maxResults": 50,
        }
        search_mixin.jira.jql.return_value = mock_issues

        # Call the method
        result = search_mixin.search_issues("project = TEST")

        # Verify results
        assert len(result.issues) == 1
        assert isinstance(result.issues[0], JiraIssue)
        assert result.issues[0].key == "TEST-123"
        assert result.issues[0].description is None
        assert result.issues[0].summary == "Test issue"

        # Update to use direct properties instead of backward compatibility
        assert "Test issue" in result.issues[0].summary

    def test_search_issues_with_missing_fields(self, search_mixin: SearchMixin):
        """Test search with issues missing some fields."""
        # Setup mock response
        mock_issues = {
            "issues": [
                {
                    "key": "TEST-123",
                    "fields": {
                        "summary": "Test issue",
                        # Missing issuetype, status, etc.
                    },
                }
            ],
            "total": 1,
            "startAt": 0,
            "maxResults": 50,
        }
        search_mixin.jira.jql.return_value = mock_issues

        # Call the method
        result = search_mixin.search_issues("project = TEST")

        # Verify results
        assert len(result.issues) == 1
        assert isinstance(result.issues[0], JiraIssue)
        assert result.issues[0].key == "TEST-123"
        assert result.issues[0].summary == "Test issue"
        assert result.issues[0].status is None
        assert result.issues[0].issue_type is None

    def test_search_issues_with_empty_results(self, search_mixin: SearchMixin):
        """Test search with no results."""
        # Setup mock response
        search_mixin.jira.jql.return_value = {"issues": []}

        # Call the method
        result = search_mixin.search_issues("project = NONEXISTENT")

        # Verify results
        assert isinstance(result, JiraSearchResult)
        assert len(result.issues) == 0
        assert result.total == -1

    def test_search_issues_with_error(self, search_mixin: SearchMixin):
        """Test search with API error."""
        # Setup mock to raise exception
        search_mixin.jira.jql.side_effect = Exception("API Error")

        # Call the method and verify it raises the expected exception
        with pytest.raises(Exception, match="Error searching issues"):
            search_mixin.search_issues("project = TEST")

    def test_search_issues_with_projects_filter(self, search_mixin: SearchMixin):
        """Test search with projects filter."""
        # Setup mock response
        mock_issues = {
            "issues": [
                {
                    "id": "10001",
                    "key": "TEST-123",
                    "fields": {
                        "summary": "Test issue",
                        "issuetype": {"name": "Bug"},
                        "status": {"name": "Open"},
                    },
                }
            ],
            "total": 1,
            "startAt": 0,
            "maxResults": 50,
        }
        search_mixin.jira.jql.return_value = mock_issues
        search_mixin.config.url = "https://example.atlassian.net"

        # Test with single project filter
        result = search_mixin.search_issues("text ~ 'test'", projects_filter="TEST")
        search_mixin.jira.jql.assert_called_with(
            "(text ~ 'test') AND project = TEST",
            fields=ANY,
            start=0,
            limit=50,
            expand=None,
        )
        assert len(result.issues) == 1
        assert result.total == 1

        # Test with multiple project filter
        result = search_mixin.search_issues("text ~ 'test'", projects_filter="TEST,DEV")
        search_mixin.jira.jql.assert_called_with(
            '(text ~ \'test\') AND project IN ("TEST", "DEV")',
            fields=ANY,
            start=0,
            limit=50,
            expand=None,
        )
        assert len(result.issues) == 1
        assert result.total == 1

    def test_search_issues_with_config_projects_filter(self, search_mixin: SearchMixin):
        """Test search with projects filter from config."""
        # Setup mock response
        mock_issues = {
            "issues": [
                {
                    "id": "10001",
                    "key": "TEST-123",
                    "fields": {
                        "summary": "Test issue",
                        "issuetype": {"name": "Bug"},
                        "status": {"name": "Open"},
                    },
                }
            ],
            "total": 1,
            "startAt": 0,
            "maxResults": 50,
        }
        search_mixin.jira.jql.return_value = mock_issues
        search_mixin.config.url = "https://example.atlassian.net"
        search_mixin.config.projects_filter = "TEST,DEV"

        # Test with config filter
        result = search_mixin.search_issues("text ~ 'test'")
        search_mixin.jira.jql.assert_called_with(
            '(text ~ \'test\') AND project IN ("TEST", "DEV")',
            fields=ANY,
            start=0,
            limit=50,
            expand=None,
        )
        assert len(result.issues) == 1
        assert result.total == 1

        # Test with override
        result = search_mixin.search_issues("text ~ 'test'", projects_filter="OVERRIDE")
        search_mixin.jira.jql.assert_called_with(
            "(text ~ 'test') AND project = OVERRIDE",
            fields=ANY,
            start=0,
            limit=50,
            expand=None,
        )
        assert len(result.issues) == 1
        assert result.total == 1

        # Test with override - multiple projects
        result = search_mixin.search_issues(
            "text ~ 'test'", projects_filter="OVER1,OVER2"
        )
        search_mixin.jira.jql.assert_called_with(
            '(text ~ \'test\') AND project IN ("OVER1", "OVER2")',
            fields=ANY,
            start=0,
            limit=50,
            expand=None,
        )
        assert len(result.issues) == 1
        assert result.total == 1

    def test_search_issues_with_fields_parameter(self, search_mixin: SearchMixin):
        """Test search with specific fields parameter, including custom fields."""
        # Setup mock response with a custom field
        mock_issues = {
            "issues": [
                {
                    "id": "10001",
                    "key": "TEST-123",
                    "fields": {
                        "summary": "Test issue with custom field",
                        "assignee": {
                            "displayName": "Test User",
                            "emailAddress": "test@example.com",
                            "active": True,
                        },
                        "customfield_10049": "Custom value",
                        "issuetype": {"name": "Bug"},
                        "status": {"name": "Open"},
                        "description": "Issue description",
                        "created": "2024-01-01T10:00:00.000+0000",
                        "updated": "2024-01-01T11:00:00.000+0000",
                        "priority": {"name": "High"},
                    },
                }
            ],
            "total": 1,
            "startAt": 0,
            "maxResults": 50,
        }
        search_mixin.jira.jql.return_value = mock_issues
        search_mixin.config.url = "https://example.atlassian.net"

        # Call the method with specific fields
        result = search_mixin.search_issues(
            "project = TEST", fields="summary,assignee,customfield_10049"
        )

        # Verify the JQL call includes the fields parameter
        search_mixin.jira.jql.assert_called_once_with(
            "project = TEST",
            fields="summary,assignee,customfield_10049",
            start=0,
            limit=50,
            expand=None,
        )

        # Verify results
        assert isinstance(result, JiraSearchResult)
        assert len(result.issues) == 1
        issue = result.issues[0]

        # Convert to simplified dict to check field filtering
        simplified = issue.to_simplified_dict()

        # These fields should be included (plus id and key which are always included)
        assert "id" in simplified
        assert "key" in simplified
        assert "summary" in simplified
        assert "assignee" in simplified
        assert "customfield_10049" in simplified

        assert simplified["customfield_10049"] == {"value": "Custom value"}
        assert "assignee" in simplified
        assert simplified["assignee"]["display_name"] == "Test User"

    def test_get_board_issues(self, search_mixin: SearchMixin):
        """Test get_board_issues method."""
        mock_issues = {
            "issues": [
                {
                    "id": "10001",
                    "key": "TEST-123",
                    "fields": {
                        "summary": "Test issue",
                        "issuetype": {"name": "Bug"},
                        "status": {"name": "Open"},
                        "description": "Issue description",
                        "created": "2024-01-01T10:00:00.000+0000",
                        "updated": "2024-01-01T11:00:00.000+0000",
                        "priority": {"name": "High"},
                    },
                }
            ],
            "total": 1,
            "startAt": 0,
            "maxResults": 50,
        }
        search_mixin.jira.get_issues_for_board.return_value = mock_issues

        # Call the method
        result = search_mixin.get_board_issues("1000", jql="", limit=20)

        # Verify results
        assert isinstance(result, JiraSearchResult)
        assert len(result.issues) == 1
        assert all(isinstance(issue, JiraIssue) for issue in result.issues)
        assert result.total == 1
        assert result.start_at == 0
        assert result.max_results == 50

        # Check the first issue
        issue = result.issues[0]
        assert issue.key == "TEST-123"
        assert issue.summary == "Test issue"
        assert issue.description == "Issue description"
        assert issue.status is not None
        assert issue.status.name == "Open"
        assert issue.issue_type is not None
        assert issue.issue_type.name == "Bug"
        assert issue.priority is not None
        assert issue.priority.name == "High"

        # Remove backward compatibility checks
        assert "Issue description" in issue.description
        assert issue.key == "TEST-123"

    def test_get_board_issues_exception(self, search_mixin: SearchMixin):
        search_mixin.jira.get_issues_for_board.side_effect = Exception("API Error")

        with pytest.raises(Exception) as e:
            search_mixin.get_board_issues("1000", jql="", limit=20)
        assert "API Error" in str(e.value)

    def test_get_board_issues_http_error(self, search_mixin: SearchMixin):
        search_mixin.jira.get_issues_for_board.side_effect = requests.HTTPError(
            response=MagicMock(content="API Error content")
        )

        with pytest.raises(Exception) as e:
            search_mixin.get_board_issues("1000", jql="", limit=20)
        assert "API Error content" in str(e.value)

    def test_get_sprint_issues(self, search_mixin: SearchMixin):
        """Test get_sprint_issues method."""
        mock_issues = {
            "issues": [
                {
                    "id": "10001",
                    "key": "TEST-123",
                    "fields": {
                        "summary": "Test issue",
                        "issuetype": {"name": "Bug"},
                        "status": {"name": "Open"},
                        "description": "Issue description",
                        "created": "2024-01-01T10:00:00.000+0000",
                        "updated": "2024-01-01T11:00:00.000+0000",
                        "priority": {"name": "High"},
                    },
                }
            ],
            "total": 1,
            "startAt": 0,
            "maxResults": 50,
        }
        search_mixin.jira.get_sprint_issues.return_value = mock_issues

        # Call the method
        result = search_mixin.get_sprint_issues("10001")

        # Verify results
        assert isinstance(result, JiraSearchResult)
        assert len(result.issues) == 1
        assert all(isinstance(issue, JiraIssue) for issue in result.issues)
        assert result.total == 1
        assert result.start_at == 0
        assert result.max_results == 50

        # Check the first issue
        issue = result.issues[0]
        assert issue.key == "TEST-123"
        assert issue.summary == "Test issue"
        assert issue.description == "Issue description"
        assert issue.status is not None
        assert issue.status.name == "Open"
        assert issue.issue_type is not None
        assert issue.issue_type.name == "Bug"
        assert issue.priority is not None
        assert issue.priority.name == "High"

    def test_get_sprint_issues_exception(self, search_mixin: SearchMixin):
        search_mixin.jira.get_sprint_issues.side_effect = Exception("API Error")

        with pytest.raises(Exception) as e:
            search_mixin.get_sprint_issues("10001")
        assert "API Error" in str(e.value)

    def test_get_sprint_issues_http_error(self, search_mixin: SearchMixin):
        search_mixin.jira.get_sprint_issues.side_effect = requests.HTTPError(
            response=MagicMock(content="API Error content")
        )

        with pytest.raises(Exception) as e:
            search_mixin.get_sprint_issues("10001")
        assert "API Error content" in str(e.value)

    @pytest.mark.parametrize("is_cloud", [True, False])
    def test_search_issues_with_projects_filter_jql_construction(
        self, search_mixin: SearchMixin, mock_issues_response, is_cloud
    ):
        """Test that JQL string is correctly constructed when projects_filter is provided."""
        # Setup
        search_mixin.config.is_cloud = is_cloud
        search_mixin.config.projects_filter = (
            None  # Don't use config filter for this test
        )
        search_mixin.config.url = "https://test.example.com"

        # Setup mock response for both API methods
        search_mixin.jira.enhanced_jql_get_list_of_tickets = MagicMock(
            return_value=mock_issues_response["issues"]
        )
        search_mixin.jira.jql = MagicMock(return_value=mock_issues_response)
        api_method_mock = getattr(
            search_mixin.jira, "enhanced_jql_get_list_of_tickets" if is_cloud else "jql"
        )

        # Act: Single project filter
        search_mixin.search_issues("text ~ 'test'", projects_filter="TEST")

        # Define expected kwargs based on is_cloud
        expected_kwargs = {
            "fields": ANY,
            "limit": ANY,
            "expand": ANY,
        }
        # Add start parameter only for Server/DC
        if not is_cloud:
            expected_kwargs["start"] = ANY

        # Assert: JQL verification
        api_method_mock.assert_called_with(
            "(text ~ 'test') AND project = TEST",  # Check constructed JQL
            **expected_kwargs,
        )

        # Reset mock for next call
        api_method_mock.reset_mock()

        # Act: Multiple projects filter
        search_mixin.search_issues("text ~ 'test'", projects_filter="TEST, DEV")
        # Assert: JQL verification
        api_method_mock.assert_called_with(
            '(text ~ \'test\') AND project IN ("TEST", "DEV")',  # Check constructed JQL
            **expected_kwargs,
        )

        # Reset mock for next call
        api_method_mock.reset_mock()

        # Act: Call with both JQL and filter
        search_mixin.search_issues("project = OTHER", projects_filter="TEST")
        # Assert: JQL verification (existing JQL has priority)
        api_method_mock.assert_called_with("project = OTHER", **expected_kwargs)

    @pytest.mark.parametrize("is_cloud", [True, False])
    def test_search_issues_with_config_projects_filter_jql_construction(
        self, search_mixin: SearchMixin, mock_issues_response, is_cloud
    ):
        """Test that JQL string is correctly constructed when config.projects_filter is used."""
        # Setup
        search_mixin.config.is_cloud = is_cloud
        search_mixin.config.projects_filter = "CONF1,CONF2"  # Set config filter
        search_mixin.config.url = "https://test.example.com"

        # Setup mock response for both API methods
        search_mixin.jira.enhanced_jql_get_list_of_tickets = MagicMock(
            return_value=mock_issues_response["issues"]
        )
        search_mixin.jira.jql = MagicMock(return_value=mock_issues_response)
        api_method_mock = getattr(
            search_mixin.jira, "enhanced_jql_get_list_of_tickets" if is_cloud else "jql"
        )

        # Define expected kwargs based on is_cloud
        expected_kwargs = {
            "fields": ANY,
            "limit": ANY,
            "expand": ANY,
        }
        # Add start parameter only for Server/DC
        if not is_cloud:
            expected_kwargs["start"] = ANY

        # Act: Use config filter
        search_mixin.search_issues("text ~ 'test'")
        # Assert: JQL verification
        api_method_mock.assert_called_with(
            '(text ~ \'test\') AND project IN ("CONF1", "CONF2")', **expected_kwargs
        )

        # Reset mock for next call
        api_method_mock.reset_mock()

        # Act: Override config filter with parameter
        search_mixin.search_issues("text ~ 'test'", projects_filter="OVERRIDE")
        # Assert: JQL verification
        api_method_mock.assert_called_with(
            "(text ~ 'test') AND project = OVERRIDE", **expected_kwargs
        )
