"""Integration tests for ConfigForge CLI."""

import json
import os
import tempfile

import pytest
from click.testing import CliRunner

from configforge.cli import main


class TestCLIValidateCommand:
    """Integration tests for the validate command."""

    def test_validate_command_help(self):
        """Test validate command help output."""
        runner = CliRunner()
        result = runner.invoke(main, ["validate", "--help"])
        assert result.exit_code == 0
        assert "CONFIG_FILE" in result.output
        assert "SCHEMA_FILE" in result.output

    def test_validate_missing_config_file(self):
        """Test validate with missing config file."""
        runner = CliRunner()
        result = runner.invoke(main, ["validate", "nonexistent.json", "schema.json"])
        assert result.exit_code != 0
        assert "not found" in result.output.lower() or result.exit_code != 0

    def test_validate_missing_schema_file(self):
        """Test validate with missing schema file."""
        with tempfile.NamedTemporaryFile(mode='w', suffix='.json', delete=False) as f:
            json.dump({"key": "value"}, f)
            config_file = f.name

        try:
            runner = CliRunner()
            result = runner.invoke(main, ["validate", config_file, "nonexistent.json"])
            assert result.exit_code != 0
        finally:
            os.unlink(config_file)


class TestCLIConvertCommand:
    """Integration tests for the convert command."""

    def test_convert_command_help(self):
        """Test convert command help output."""
        runner = CliRunner()
        result = runner.invoke(main, ["convert", "--help"])
        assert result.exit_code == 0
        assert "INPUT_FILE" in result.output

    def test_convert_json_to_yaml(self, sample_json_config):
        """Test converting JSON to YAML."""
        with tempfile.NamedTemporaryFile(mode='w', suffix='.json', delete=False) as f:
            json.dump(sample_json_config, f)
            input_file = f.name

        try:
            runner = CliRunner()
            result = runner.invoke(main, ["convert", input_file, "--format", "yaml"])
            assert result.exit_code == 0
            assert "database:" in result.output
        finally:
            os.unlink(input_file)

    def test_convert_json_to_toml(self, sample_json_config):
        """Test converting JSON to TOML."""
        with tempfile.NamedTemporaryFile(mode='w', suffix='.json', delete=False) as f:
            json.dump(sample_json_config, f)
            input_file = f.name

        try:
            runner = CliRunner()
            result = runner.invoke(main, ["convert", input_file, "--format", "toml"])
            assert result.exit_code == 0
            assert "[database]" in result.output
        finally:
            os.unlink(input_file)

    def test_convert_json_to_env(self, sample_json_config):
        """Test converting JSON to ENV."""
        with tempfile.NamedTemporaryFile(mode='w', suffix='.json', delete=False) as f:
            json.dump(sample_json_config, f)
            input_file = f.name

        try:
            runner = CliRunner()
            result = runner.invoke(main, ["convert", input_file, "--format", "env"])
            assert result.exit_code == 0
            assert "host" in result.output
        finally:
            os.unlink(input_file)

    def test_convert_with_output_file(self, sample_json_config):
        """Test converting with output file."""
        with tempfile.NamedTemporaryFile(mode='w', suffix='.json', delete=False) as f:
            json.dump(sample_json_config, f)
            input_file = f.name

        with tempfile.NamedTemporaryFile(mode='w', suffix='.yaml', delete=False) as f:
            output_file = f.name

        try:
            runner = CliRunner()
            result = runner.invoke(main, ["convert", input_file, "-o", output_file])
            assert result.exit_code == 0
            assert os.path.exists(output_file)
            with open(output_file) as f:
                content = f.read()
                assert "database:" in content
        finally:
            os.unlink(input_file)
            if os.path.exists(output_file):
                os.unlink(output_file)


class TestCLIGenerateCommand:
    """Integration tests for the generate command."""

    def test_generate_command_help(self):
        """Test generate command help output."""
        runner = CliRunner()
        result = runner.invoke(main, ["generate", "--help"])
        assert result.exit_code == 0
        assert "INPUT_FILE" in result.output

    def test_generate_from_schema(self, sample_json_schema):
        """Test generating TypeScript from schema."""
        with tempfile.NamedTemporaryFile(mode='w', suffix='.json', delete=False) as f:
            json.dump(sample_json_schema, f)
            input_file = f.name

        try:
            runner = CliRunner()
            result = runner.invoke(main, ["generate", input_file, "--interface-name", "Config"])
            assert result.exit_code == 0
            assert "interface Config" in result.output
        finally:
            os.unlink(input_file)

    def test_generate_from_data(self, sample_json_config):
        """Test generating TypeScript from config data."""
        with tempfile.NamedTemporaryFile(mode='w', suffix='.json', delete=False) as f:
            json.dump(sample_json_config, f)
            input_file = f.name

        try:
            runner = CliRunner()
            result = runner.invoke(main, ["generate", input_file, "--from-data"])
            assert result.exit_code == 0
            assert "interface" in result.output
        finally:
            os.unlink(input_file)


class TestCLISchemaCommand:
    """Integration tests for the schema command."""

    def test_schema_command_help(self):
        """Test schema command help output."""
        runner = CliRunner()
        result = runner.invoke(main, ["schema", "--help"])
        assert result.exit_code == 0
        assert "--output" in result.output

    def test_schema_from_config(self, sample_json_config):
        """Test generating schema from config file."""
        with tempfile.NamedTemporaryFile(mode='w', suffix='.json', delete=False) as f:
            json.dump(sample_json_config, f)
            config_file = f.name

        with tempfile.NamedTemporaryFile(mode='w', suffix='.json', delete=False) as f:
            output_file = f.name

        try:
            runner = CliRunner()
            result = runner.invoke(main, ["schema", "--from-config", config_file, "-o", output_file])
            assert result.exit_code == 0
            assert os.path.exists(output_file)
            with open(output_file) as f:
                schema = json.load(f)
                assert "properties" in schema
        finally:
            os.unlink(config_file)
            if os.path.exists(output_file):
                os.unlink(output_file)


class TestCLIMain:
    """Integration tests for main CLI entry point."""

    def test_main_help(self):
        """Test main help output."""
        runner = CliRunner()
        result = runner.invoke(main, ["--help"])
        assert result.exit_code == 0
        assert "validate" in result.output
        assert "convert" in result.output
        assert "generate" in result.output
        assert "schema" in result.output

    def test_main_version(self):
        """Test version output."""
        runner = CliRunner()
        result = runner.invoke(main, ["--version"])
        assert result.exit_code == 0
        assert "ConfigForge" in result.output

    def test_main_invalid_command(self):
        """Test invalid command handling."""
        runner = CliRunner()
        result = runner.invoke(main, ["invalid-command"])
        assert result.exit_code != 0