"""Tests for CSV export functionality."""

import csv
from pathlib import Path

from sslysze_scan.reporter.csv_export import generate_csv_reports


class TestCsvExport:
    """Tests for CSV file generation."""

    def test_export_summary(self, test_db_path: str, tmp_path: Path) -> None:
        """Test summary CSV export with aggregated statistics."""
        output_dir = tmp_path / "output"
        output_dir.mkdir()

        files = generate_csv_reports(test_db_path, 1, str(output_dir))

        summary_file = output_dir / "summary.csv"
        assert summary_file.exists()
        assert str(summary_file) in files

        with open(summary_file, newline="", encoding="utf-8") as f:
            reader = csv.reader(f)
            rows = list(reader)

        assert rows[0] == ["Metric", "Value"]
        assert len(rows) >= 7

        metrics = {row[0]: row[1] for row in rows[1:]}
        assert "Scanned Ports" in metrics
        assert "Ports with TLS Support" in metrics
        assert "Cipher Suites Checked" in metrics

    def test_export_cipher_suites_port_443(
        self, test_db_path: str, tmp_path: Path
    ) -> None:
        """Test cipher suites export for port 443."""
        output_dir = tmp_path / "output"
        output_dir.mkdir()

        files = generate_csv_reports(test_db_path, 1, str(output_dir))

        accepted_files = [
            f for f in files if "443_cipher_suites" in f and "accepted" in f
        ]
        assert len(accepted_files) > 0

        accepted_file = Path(accepted_files[0])
        assert accepted_file.exists()

        with open(accepted_file, newline="", encoding="utf-8") as f:
            reader = csv.reader(f)
            rows = list(reader)

        assert rows[0] == ["Cipher Suite", "IANA", "BSI", "Valid Until", "Compliant"]
        assert len(rows) > 1

        for row in rows[1:]:
            assert len(row) == 5
            assert row[4] in ["Yes", "No", "-"]

    def test_export_supported_groups_port_636(
        self, test_db_path: str, tmp_path: Path
    ) -> None:
        """Test supported groups export for port 636."""
        output_dir = tmp_path / "output"
        output_dir.mkdir()

        files = generate_csv_reports(test_db_path, 1, str(output_dir))

        groups_files = [f for f in files if "636_supported_groups.csv" in f]

        if groups_files:
            groups_file = Path(groups_files[0])
            assert groups_file.exists()

            with open(groups_file, newline="", encoding="utf-8") as f:
                reader = csv.reader(f)
                rows = list(reader)

            assert rows[0] == ["Group", "IANA", "BSI", "Valid Until", "Compliant"]

            for row in rows[1:]:
                assert len(row) == 5
                assert row[4] in ["Yes", "No", "-"]

    def test_export_missing_groups_port_443(
        self, test_db_path: str, tmp_path: Path
    ) -> None:
        """Test missing groups export for port 443."""
        output_dir = tmp_path / "output"
        output_dir.mkdir()

        files = generate_csv_reports(test_db_path, 1, str(output_dir))

        bsi_files = [f for f in files if "443_missing_groups_bsi.csv" in f]

        if bsi_files:
            bsi_file = Path(bsi_files[0])
            assert bsi_file.exists()

            with open(bsi_file, newline="", encoding="utf-8") as f:
                reader = csv.reader(f)
                rows = list(reader)

            assert rows[0] == ["Group", "TLS Versions", "Valid Until"]

            for row in rows[1:]:
                assert len(row) == 3

    def test_export_certificates_port_636(
        self, test_db_path: str, tmp_path: Path
    ) -> None:
        """Test certificates export for port 636."""
        output_dir = tmp_path / "output"
        output_dir.mkdir()

        files = generate_csv_reports(test_db_path, 1, str(output_dir))

        cert_files = [f for f in files if "636_certificates.csv" in f]

        if cert_files:
            cert_file = Path(cert_files[0])
            assert cert_file.exists()

            with open(cert_file, newline="", encoding="utf-8") as f:
                reader = csv.reader(f)
                rows = list(reader)

            expected_headers = [
                "Position",
                "Subject",
                "Issuer",
                "Valid From",
                "Valid Until",
                "Key Type",
                "Key Size",
                "Compliant",
            ]
            assert rows[0] == expected_headers

            for row in rows[1:]:
                assert len(row) == 8
                assert row[7] in ["Yes", "No", "-"]

    def test_export_vulnerabilities_port_443(
        self, test_db_path: str, tmp_path: Path
    ) -> None:
        """Test vulnerabilities export for port 443."""
        output_dir = tmp_path / "output"
        output_dir.mkdir()

        files = generate_csv_reports(test_db_path, 1, str(output_dir))

        vuln_files = [f for f in files if "443_vulnerabilities.csv" in f]

        if vuln_files:
            vuln_file = Path(vuln_files[0])
            assert vuln_file.exists()

            with open(vuln_file, newline="", encoding="utf-8") as f:
                reader = csv.reader(f)
                rows = list(reader)

            assert rows[0] == ["Type", "Vulnerable", "Details"]

            for row in rows[1:]:
                assert len(row) == 3
                assert row[1] in ["Yes", "No", "-"]

    def test_export_protocol_features_port_636(
        self, test_db_path: str, tmp_path: Path
    ) -> None:
        """Test protocol features export for port 636."""
        output_dir = tmp_path / "output"
        output_dir.mkdir()

        files = generate_csv_reports(test_db_path, 1, str(output_dir))

        protocol_files = [f for f in files if "636_protocol_features.csv" in f]

        if protocol_files:
            protocol_file = Path(protocol_files[0])
            assert protocol_file.exists()

            with open(protocol_file, newline="", encoding="utf-8") as f:
                reader = csv.reader(f)
                rows = list(reader)

            assert rows[0] == ["Feature", "Supported", "Details"]

            for row in rows[1:]:
                assert len(row) == 3
                assert row[1] in ["Yes", "No", "-"]

    def test_export_session_features_port_443(
        self, test_db_path: str, tmp_path: Path
    ) -> None:
        """Test session features export for port 443."""
        output_dir = tmp_path / "output"
        output_dir.mkdir()

        files = generate_csv_reports(test_db_path, 1, str(output_dir))

        session_files = [f for f in files if "443_session_features.csv" in f]

        if session_files:
            session_file = Path(session_files[0])
            assert session_file.exists()

            with open(session_file, newline="", encoding="utf-8") as f:
                reader = csv.reader(f)
                rows = list(reader)

            expected_headers = [
                "Feature",
                "Client Initiated",
                "Secure",
                "Session ID",
                "TLS Ticket",
                "Details",
            ]
            assert rows[0] == expected_headers

            for row in rows[1:]:
                assert len(row) == 6
                for i in range(1, 5):
                    assert row[i] in ["Yes", "No", "-"]

    def test_export_http_headers_port_636(
        self, test_db_path: str, tmp_path: Path
    ) -> None:
        """Test HTTP headers export for port 636."""
        output_dir = tmp_path / "output"
        output_dir.mkdir()

        files = generate_csv_reports(test_db_path, 1, str(output_dir))

        header_files = [f for f in files if "636_http_headers.csv" in f]

        if header_files:
            header_file = Path(header_files[0])
            assert header_file.exists()

            with open(header_file, newline="", encoding="utf-8") as f:
                reader = csv.reader(f)
                rows = list(reader)

            assert rows[0] == ["Header", "Present", "Value"]

            for row in rows[1:]:
                assert len(row) == 3
                assert row[1] in ["Yes", "No", "-"]

    def test_export_compliance_status_port_443(
        self, test_db_path: str, tmp_path: Path
    ) -> None:
        """Test compliance status export for port 443."""
        output_dir = tmp_path / "output"
        output_dir.mkdir()

        files = generate_csv_reports(test_db_path, 1, str(output_dir))

        compliance_files = [f for f in files if "443_compliance_status.csv" in f]

        if compliance_files:
            compliance_file = Path(compliance_files[0])
            assert compliance_file.exists()

            with open(compliance_file, newline="", encoding="utf-8") as f:
                reader = csv.reader(f)
                rows = list(reader)

            assert rows[0] == ["Category", "Checked", "Compliant", "Percentage"]

            for row in rows[1:]:
                assert len(row) == 4
                assert "%" in row[3]

    def test_generate_csv_reports_all_files(
        self, test_db_path: str, tmp_path: Path
    ) -> None:
        """Test that generate_csv_reports creates expected files."""
        output_dir = tmp_path / "output"
        output_dir.mkdir()

        files = generate_csv_reports(test_db_path, 1, str(output_dir))

        assert len(files) > 0
        assert any("summary.csv" in f for f in files)
        assert any("443_" in f for f in files)
        assert any("636_" in f for f in files)

        for file_path in files:
            assert Path(file_path).exists()
            assert Path(file_path).suffix == ".csv"