"""Tests for RAG system."""
import pytest
from pathlib import Path
import tempfile
import shutil
from src.rag import ProjectRAG


class TestProjectRAG:
    """Tests for ProjectRAG class."""

    def test_rag_initialization(self, temp_data_dir):
        """Test RAG system initializes correctly."""
        with tempfile.TemporaryDirectory() as persist_dir:
            rag = ProjectRAG(temp_data_dir, persist_dir=Path(persist_dir))
            assert rag is not None
            assert rag.data_dir == temp_data_dir

    def test_load_and_index(self, temp_data_dir):
        """Test loading and indexing meetings."""
        with tempfile.TemporaryDirectory() as persist_dir:
            rag = ProjectRAG(temp_data_dir, persist_dir=Path(persist_dir))
            rag.load_and_index()

            assert len(rag.meetings) == 1
            assert rag.meetings[0].project_name == "test_project"

    def test_get_all_projects(self, temp_data_dir):
        """Test getting all project names."""
        with tempfile.TemporaryDirectory() as persist_dir:
            rag = ProjectRAG(temp_data_dir, persist_dir=Path(persist_dir))
            rag.load_and_index()

            projects = rag.get_all_projects()
            assert "test_project" in projects

    def test_get_open_action_items(self, temp_data_dir):
        """Test getting open action items."""
        with tempfile.TemporaryDirectory() as persist_dir:
            rag = ProjectRAG(temp_data_dir, persist_dir=Path(persist_dir))
            rag.load_and_index()

            items = rag.get_open_action_items()
            # Should have 2 open items (Alice and Bob's tasks)
            assert len(items) == 2

    def test_get_open_action_items_filtered(self, temp_data_dir):
        """Test getting open action items filtered by project."""
        with tempfile.TemporaryDirectory() as persist_dir:
            rag = ProjectRAG(temp_data_dir, persist_dir=Path(persist_dir))
            rag.load_and_index()

            items = rag.get_open_action_items(project="test_project")
            assert len(items) == 2

            items = rag.get_open_action_items(project="nonexistent")
            assert len(items) == 0

    def test_get_blockers(self, temp_data_dir):
        """Test getting blockers."""
        with tempfile.TemporaryDirectory() as persist_dir:
            rag = ProjectRAG(temp_data_dir, persist_dir=Path(persist_dir))
            rag.load_and_index()

            blockers = rag.get_blockers()
            assert len(blockers) == 2

    def test_search(self, temp_data_dir):
        """Test semantic search."""
        with tempfile.TemporaryDirectory() as persist_dir:
            rag = ProjectRAG(temp_data_dir, persist_dir=Path(persist_dir))
            rag.load_and_index()

            results = rag.search("login page implementation")
            assert len(results) > 0

    def test_search_with_project_filter(self, temp_data_dir):
        """Test semantic search with project filter."""
        with tempfile.TemporaryDirectory() as persist_dir:
            rag = ProjectRAG(temp_data_dir, persist_dir=Path(persist_dir))
            rag.load_and_index()

            results = rag.search("login", project_filter="test_project")
            assert len(results) > 0

            results = rag.search("login", project_filter="nonexistent")
            assert len(results) == 0

    def test_get_recent_decisions(self, temp_data_dir):
        """Test getting recent decisions."""
        with tempfile.TemporaryDirectory() as persist_dir:
            rag = ProjectRAG(temp_data_dir, persist_dir=Path(persist_dir))
            rag.load_and_index()

            decisions = rag.get_recent_decisions()
            assert len(decisions) == 2