"""Tests for the exporter module."""

import json
import tempfile
from pathlib import Path

import pytest
from src.exporter import Exporter
from src.models import SearchResult, MatchLocation


class TestExporter:
    """Tests for Exporter class."""

    @pytest.fixture
    def sample_results(self):
        """Create sample search results."""
        matches = [
            MatchLocation(
                file_path="src/main.py",
                line_number=10,
                line_content="def hello():" ,
                match_start=0,
                match_end=11,
            ),
            MatchLocation(
                file_path="src/main.py",
                line_number=20,
                line_content="def world():" ,
                match_start=0,
                match_end=11,
            ),
        ]

        return [
            SearchResult(
                repo_name="test/repo1",
                repo_url="https://github.com/test/repo1",
                stars=100,
                description="Test repository 1",
                language="Python",
                matches=matches,
                total_matches=2,
                score=50.5,
            ),
            SearchResult(
                repo_name="test/repo2",
                repo_url="https://github.com/test/repo2",
                stars=200,
                description="Test repository 2",
                language="Python",
                matches=[],
                total_matches=0,
                score=0.0,
            ),
        ]

    def test_export_to_json(self, sample_results):
        """Test exporting results to JSON."""
        with tempfile.NamedTemporaryFile(suffix=".json", delete=False) as f:
            output_path = Path(f.name)

        try:
            Exporter.export_to_json(sample_results, output_path)

            with open(output_path, "r") as f:
                data = json.load(f)

            assert "total_repositories" in data
            assert "total_matches" in data
            assert "results" in data
            assert data["total_repositories"] == 2
            assert data["total_matches"] == 2

        finally:
            output_path.unlink()

    def test_export_to_json_with_metadata(self, sample_results):
        """Test exporting with metadata."""
        with tempfile.NamedTemporaryFile(suffix=".json", delete=False) as f:
            output_path = Path(f.name)

        try:
            Exporter.export_to_json(
                sample_results,
                output_path,
                include_metadata=True,
            )

            with open(output_path, "r") as f:
                data = json.load(f)

            assert "metadata" in data
            assert "exported_at" in data["metadata"]
            assert "version" in data["metadata"]

        finally:
            output_path.unlink()

    def test_export_results_json_format(self, sample_results):
        """Test export results with JSON format."""
        with tempfile.NamedTemporaryFile(suffix=".json", delete=False) as f:
            output_path = Path(f.name)

        try:
            Exporter.export_results(sample_results, output_path, format="json")

            assert output_path.exists()

        finally:
            output_path.unlink()

    def test_export_raises_on_unsupported_format(self, sample_results):
        """Test that unsupported format raises error."""
        with tempfile.NamedTemporaryFile(suffix=".txt", delete=False) as f:
            output_path = Path(f.name)

        try:
            with pytest.raises(ValueError):
                Exporter.export_results(
                    sample_results,
                    output_path,
                    format="unsupported",
                )

        finally:
            output_path.unlink()

    def test_format_summary(self, sample_results):
        """Test formatting results as summary."""
        summary = Exporter.format_summary(sample_results)

        assert "test/repo1" in summary
        assert "test/repo2" in summary
        assert "2 matches" in summary
        assert "100 stars" in summary

    def test_prepare_export_data(self, sample_results):
        """Test preparing export data structure."""
        data = Exporter._prepare_export_data(sample_results, include_metadata=False)

        assert data["total_repositories"] == 2
        assert data["total_matches"] == 2
        assert len(data["results"]) == 2
        assert "metadata" not in data

    def test_prepare_export_data_with_metadata(self, sample_results):
        """Test preparing export data with metadata."""
        data = Exporter._prepare_export_data(sample_results, include_metadata=True)

        assert "metadata" in data

    def test_get_timestamp_format(self):
        """Test timestamp format."""
        timestamp = Exporter._get_timestamp()

        assert "Z" in timestamp
        assert "-" in timestamp


class TestSearchResultToDict:
    """Tests for SearchResult.to_dict()."""

    def test_to_dict_basic(self):
        """Test converting SearchResult to dictionary."""
        result = SearchResult(
            repo_name="test/repo",
            repo_url="https://github.com/test/repo",
            stars=50,
        )

        data = result.to_dict()

        assert data["repo_name"] == "test/repo"
        assert data["repo_url"] == "https://github.com/test/repo"
        assert data["stars"] == 50

    def test_to_dict_with_matches(self):
        """Test converting SearchResult with matches."""
        matches = [
            MatchLocation(
                file_path="test.py",
                line_number=1,
                line_content="test",
                match_start=0,
                match_end=4,
            ),
        ]

        result = SearchResult(
            repo_name="test/repo",
            repo_url="https://github.com/test/repo",
            stars=50,
            matches=matches,
            total_matches=1,
        )

        data = result.to_dict()

        assert len(data["matches"]) == 1
        assert data["matches"][0]["file_path"] == "test.py"

    def test_get_match_summary(self):
        """Test getting match summary by file."""
        matches = [
            MatchLocation(
                file_path="main.py",
                line_number=1,
                line_content="test",
                match_start=0,
                match_end=4,
            ),
            MatchLocation(
                file_path="main.py",
                line_number=2,
                line_content="test",
                match_start=0,
                match_end=4,
            ),
            MatchLocation(
                file_path="utils.py",
                line_number=1,
                line_content="test",
                match_start=0,
                match_end=4,
            ),
        ]

        result = SearchResult(
            repo_name="test/repo",
            repo_url="https://github.com/test/repo",
            stars=50,
            matches=matches,
            total_matches=3,
        )

        summary = result.get_match_summary()

        assert summary["main.py"] == 2
        assert summary["utils.py"] == 1