"""Tests for ask command - natural language email querying.

This test file implements TDD for the ask command which allows users to
ask natural language questions about their email history.

Tests verify that:
1. Ask command accepts natural language queries
2. Command searches email history
3. Claude synthesizes answers from results
4. Results are displayed clearly to user
"""

from unittest.mock import Mock, patch
import pytest
from typer.testing import CliRunner

# Will be imported once command is created
# from gmaillm.cli import app
# from gmaillm.commands.ask import ask_command


runner = CliRunner()


class TestAskCommandBasics:
    """Test basic ask command functionality."""

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_accepts_natural_language_question(self):
        """RED: Ask command should accept natural language questions."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "What did Angela say about the meeting?"
        # ])
        # assert result.exit_code == 0
        # assert "Angela" in result.stdout or "meeting" in result.stdout
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_searches_email_history(self):
        """RED: Ask command should search email history for answers."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "What are the main tasks for this week?"
        # ])
        # assert result.exit_code == 0
        # Should show search results from email
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_handles_no_results(self):
        """RED: Ask should handle cases where no matching emails found."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "Did anyone mention flying cars?"
        # ])
        # assert "not found" in result.stdout.lower() or "no results" in result.stdout.lower()
        pass


class TestAskCommandQueries:
    """Test different types of queries."""

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_person_questions(self):
        """RED: Ask should handle 'What did [person] say' questions."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "What did Matt say about the project?"
        # ])
        # assert result.exit_code == 0
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_topic_questions(self):
        """RED: Ask should handle topic-based questions."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "Summarize all emails about the Q4 planning"
        # ])
        # assert result.exit_code == 0
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_timeline_questions(self):
        """RED: Ask should handle time-based questions."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "What happened with the project last week?"
        # ])
        # assert result.exit_code == 0
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_deadline_questions(self):
        """RED: Ask should identify deadlines and dates."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "When is the project deadline?"
        # ])
        # assert result.exit_code == 0
        # Should contain date or "Friday" or similar
        pass


class TestAskCommandOutput:
    """Test output formatting and clarity."""

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_shows_sources(self):
        """RED: Ask should show which emails were used for the answer."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "What deadlines were mentioned?"
        # ])
        # Shows sources like: "From: boss@company.com (Oct 30)"
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_formats_response_clearly(self):
        """RED: Ask should format response in clear, readable way."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "Summarize recent activity"
        # ])
        # assert "━━━" in result.stdout or "─────" in result.stdout  # Has formatting
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_supports_json_output(self):
        """RED: Ask should support --output-format json."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "What did they say?",
        #     "--output-format", "json"
        # ])
        # Output should be valid JSON
        pass


class TestAskCommandOptions:
    """Test ask command options and flags."""

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_folder_option(self):
        """RED: Ask should support --folder to limit search."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "What did they say?",
        #     "--folder", "SENT"
        # ])
        # Should search only in SENT folder
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_max_results_option(self):
        """RED: Ask should support --max to limit email results."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "What did they say?",
        #     "--max", "5"
        # ])
        # Should analyze max 5 emails
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_context_window_option(self):
        """RED: Ask should support --context to show email context."""
        # result = runner.invoke(app, [
        #     "ask",
        #     "What did they say?",
        #     "--context"
        # ])
        # Should show relevant email excerpts
        pass


class TestAskCommandIntegration:
    """Test integration with other components."""

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_uses_gmail_client_for_search(self):
        """RED: Ask should use GmailClient to search emails."""
        # with patch('gmaillm.commands.ask.GmailClient') as mock_client:
        #     mock_client.return_value.search_emails.return_value = Mock(emails=[])
        #     result = runner.invoke(app, ["ask", "test?"])
        #     mock_client.return_value.search_emails.assert_called()
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_uses_agent_for_synthesis(self):
        """RED: Ask should use ClaudeEmailAgent to synthesize answer."""
        # with patch('gmaillm.commands.ask.ClaudeEmailAgent') as mock_agent:
        #     mock_agent.return_value.query.return_value = "Answer text"
        #     result = runner.invoke(app, ["ask", "test?"])
        #     mock_agent.return_value.query.assert_called()
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_respects_preview_philosophy(self):
        """RED: Ask should show sources and context (preview-first)."""
        # result = runner.invoke(app, ["ask", "test?"])
        # Should clearly show:
        # - Question being asked
        # - Emails being analyzed
        # - Sources of information
        # - Final answer
        pass


class TestAskCommandErrorHandling:
    """Test error handling and edge cases."""

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_handles_empty_inbox(self):
        """RED: Ask should handle empty inbox gracefully."""
        # result = runner.invoke(app, ["ask", "test?"])
        # assert "no emails" in result.stdout.lower() or result.exit_code == 1
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_handles_ambiguous_questions(self):
        """RED: Ask should ask for clarification on ambiguous questions."""
        # result = runner.invoke(app, ["ask", "it"])  # Very vague
        # Should suggest clarification or show relevant context
        pass

    @pytest.mark.skip(reason="Ask command not yet implemented - RED phase")
    def test_ask_handles_claude_api_failures(self):
        """RED: Ask should handle Claude API failures gracefully."""
        # with patch('gmaillm.commands.ask.ClaudeEmailAgent') as mock_agent:
        #     mock_agent.return_value.query.side_effect = Exception("API error")
        #     result = runner.invoke(app, ["ask", "test?"])
        #     assert "error" in result.stdout.lower()
        pass


# Placeholder test to verify file structure
def test_placeholder():
    """Placeholder test to verify test file structure."""
    assert True
