"""Tests for CLI commands."""

import os
import tempfile
from unittest.mock import patch

import pytest

from dataforge.commands import convert, batch_convert, validate, batch_validate, typecheck
from dataforge.parsers import dump_data


FIXTURES_DIR = os.path.join(os.path.dirname(__file__), "dataforge_fixtures")


class TestConvert:
    """Tests for convert command."""

    def test_convert_json_to_yaml(self, tmp_path):
        input_file = tmp_path / "input.json"
        input_file.write_text('{"name": "test", "value": 42}')
        output_file = tmp_path / "output.yaml"

        runner = pytest.CliRunner()
        result = runner.invoke(
            convert,
            [str(input_file), str(output_file), "--to", "yaml"],
        )
        assert result.exit_code == 0
        assert "Successfully converted" in result.output

    def test_convert_yaml_to_toml(self, tmp_path):
        input_file = tmp_path / "input.yaml"
        input_file.write_text("name: test\nvalue: 42")
        output_file = tmp_path / "output.toml"

        runner = pytest.CliRunner()
        result = runner.invoke(
            convert,
            [str(input_file), str(output_file), "--to", "toml"],
        )
        assert result.exit_code == 0

    def test_convert_with_from_format(self, tmp_path):
        input_file = tmp_path / "input.txt"
        input_file.write_text('{"name": "test"}')
        output_file = tmp_path / "output.json"

        runner = pytest.CliRunner()
        result = runner.invoke(
            convert,
            [str(input_file), str(output_file), "--from", "json", "--to", "json"],
        )
        assert result.exit_code == 0

    def test_convert_invalid_format(self, tmp_path):
        input_file = tmp_path / "input.json"
        input_file.write_text('{"name": "test"}')
        output_file = tmp_path / "output.xyz"

        runner = pytest.CliRunner()
        result = runner.invoke(
            convert,
            [str(input_file), str(output_file), "--to", "xyz"],
        )
        assert result.exit_code != 0

    def test_convert_stdin_stdout(self):
        runner = pytest.CliRunner()
        result = runner.invoke(
            convert,
            ["-", "-", "--from", "json", "--to", "yaml"],
            input='{"name": "test"}',
        )
        assert result.exit_code == 0
        assert "name: test" in result.output

    def test_convert_quiet_mode(self, tmp_path):
        input_file = tmp_path / "input.json"
        input_file.write_text('{"name": "test"}')
        output_file = tmp_path / "output.yaml"

        runner = pytest.CliRunner()
        result = runner.invoke(
            convert,
            [str(input_file), str(output_file), "--to", "yaml", "--quiet"],
        )
        assert result.exit_code == 0
        assert result.output == ""


class TestBatchConvert:
    """Tests for batch-convert command."""

    def test_batch_convert_files(self, tmp_path):
        input_dir = tmp_path / "input"
        input_dir.mkdir()
        output_dir = tmp_path / "output"
        output_dir.mkdir()

        (input_dir / "file1.json").write_text('{"name": "test1"}')
        (input_dir / "file2.json").write_text('{"name": "test2"}')

        runner = pytest.CliRunner()
        result = runner.invoke(
            batch_convert,
            [
                "--to",
                "yaml",
                "--output-dir",
                str(output_dir),
                "--pattern",
                "*.json",
            ],
        )
        assert result.exit_code == 0
        assert (output_dir / "file1.yaml").exists()
        assert (output_dir / "file2.yaml").exists()

    def test_batch_convert_empty_pattern(self, tmp_path):
        runner = pytest.CliRunner()
        result = runner.invoke(
            batch_convert,
            ["--to", "yaml", "--pattern", "*.nonexistent"],
        )
        assert result.exit_code == 0
        assert "No files found" in result.output


class TestValidate:
    """Tests for validate command."""

    def test_validate_valid_file(self, tmp_path):
        input_file = tmp_path / "input.json"
        input_file.write_text('{"name": "test", "version": "1.0.0"}')
        schema_file = tmp_path / "schema.json"
        schema_file.write_text(
            '{"type": "object", "properties": {"name": {"type": "string"}, "version": {"type": "string"}}, "required": ["name", "version"]}'
        )

        runner = pytest.CliRunner()
        result = runner.invoke(
            validate,
            [str(input_file), "--schema", str(schema_file)],
        )
        assert result.exit_code == 0
        assert "Validation passed" in result.output

    def test_validate_invalid_file(self, tmp_path):
        input_file = tmp_path / "input.json"
        input_file.write_text('{"name": 123}')
        schema_file = tmp_path / "schema.json"
        schema_file.write_text(
            '{"type": "object", "properties": {"name": {"type": "string"}}, "required": ["name"]}'
        )

        import jsonschema

        runner = pytest.CliRunner()
        result = runner.invoke(
            validate,
            [str(input_file), "--schema", str(schema_file)],
        )
        assert result.exit_code != 0
        assert "Validation failed" in result.output

    def test_validate_without_schema(self, tmp_path):
        input_file = tmp_path / "input.json"
        input_file.write_text('{"name": "test"}')

        runner = pytest.CliRunner()
        result = runner.invoke(validate, [str(input_file)])
        assert result.exit_code == 0
        assert "File is valid" in result.output


class TestBatchValidate:
    """Tests for batch-validate command."""

    def test_batch_validate_files(self, tmp_path):
        input_dir = tmp_path / "input"
        input_dir.mkdir()

        (input_dir / "file1.json").write_text('{"name": "test1"}')
        (input_dir / "file2.json").write_text('{"name": "test2"}')
        (input_dir / "file3.json").write_text('{"name": "test3"}')

        schema_file = tmp_path / "schema.json"
        schema_file.write_text(
            '{"type": "object", "properties": {"name": {"type": "string"}}, "required": ["name"]}'
        )

        runner = pytest.CliRunner()
        result = runner.invoke(
            batch_validate,
            [
                "--schema",
                str(schema_file),
                "--pattern",
                "*.json",
            ],
        )
        assert result.exit_code == 0
        assert "Summary: 3 valid, 0 invalid" in result.output

    def test_batch_validate_no_files(self, tmp_path):
        runner = pytest.CliRunner()
        result = runner.invoke(
            batch_validate,
            ["--schema", "nonexistent.json", "--pattern", "*.nonexistent"],
        )
        assert result.exit_code == 0
        assert "No files found" in result.output


class TestTypecheck:
    """Tests for typecheck command."""

    def test_typecheck_file(self, tmp_path):
        input_file = tmp_path / "input.json"
        input_file.write_text('{"name": "test", "value": 42}')

        runner = pytest.CliRunner()
        result = runner.invoke(typecheck, [str(input_file)])
        assert result.exit_code == 0
        assert "Type: object with 2 keys" in result.output

    def test_typecheck_infer_schema(self, tmp_path):
        input_file = tmp_path / "input.json"
        input_file.write_text('{"name": "test", "value": 42}')

        runner = pytest.CliRunner()
        result = runner.invoke(
            typecheck,
            [str(input_file), "--infer"],
        )
        assert result.exit_code == 0
        assert '"type": "object"' in result.output

    def test_typecheck_quiet_mode(self, tmp_path):
        input_file = tmp_path / "input.json"
        input_file.write_text('{"name": "test"}')

        runner = pytest.CliRunner()
        result = runner.invoke(typecheck, [str(input_file), "--quiet"])
        assert result.exit_code == 0
        assert result.output == ""