import json
import os
import sys
import tempfile
import unittest
from pathlib import Path
from unittest import mock

TOOLS = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(TOOLS))
from release_configuration import ConfigurationError, load_configuration


class ReleaseConfigurationTests(unittest.TestCase):
    def test_public_checkout_uses_local_build_paths_and_requires_deploy_target(self):
        with tempfile.TemporaryDirectory() as temporary, mock.patch.dict(os.environ, {}, clear=True):
            root = Path(temporary)
            config = load_configuration(root)
            self.assertEqual(config.stable_app, root / '_workspace/builds/Stable/ProjectQuint.app')
            self.assertEqual(config.releases_root, root / '_workspace/releases')
            with self.assertRaisesRegex(ConfigurationError, 'DEPLOY_HOST'):
                config.require_deployment()

    def test_environment_overrides_local_config_and_preserves_spaces(self):
        with tempfile.TemporaryDirectory() as temporary:
            root = Path(temporary)
            key = root / 'test key'
            key.touch()
            (root / '.release.local.json').write_text(json.dumps({
                'deploy_host': 'release@host.invalid',
                'ssh_key': str(key),
                'remote_source': '/srv/projectquint/site-source',
            }))
            with mock.patch.dict(os.environ, {'PROJECTQUINT_DEPLOY_HOST': 'release@override.invalid'}, clear=True):
                config = load_configuration(root)
            config.require_deployment()
            self.assertEqual(config.deploy_host, 'release@override.invalid')
            self.assertEqual(config.ssh_key, key)
            self.assertEqual(config.remote_source, '/srv/projectquint/site-source')

    def test_invalid_configuration_fails_before_deployment(self):
        with tempfile.TemporaryDirectory() as temporary, mock.patch.dict(os.environ, {}, clear=True):
            root = Path(temporary)
            for text in ['{', '{"unexpected": "value"}', '{"ssh_key": "relative/key"}']:
                with self.subTest(text=text):
                    (root / '.release.local.json').write_text(text)
                    with self.assertRaises(ConfigurationError):
                        load_configuration(root)

    def test_shell_export_quotes_values_and_does_not_execute_them(self):
        import subprocess
        with tempfile.TemporaryDirectory() as temporary, mock.patch.dict(os.environ, {}, clear=True):
            root = Path(temporary)
            key = root / "key with spaces"
            key.touch()
            (root / '.release.local.json').write_text(json.dumps({
                'deploy_host': 'release@host.invalid', 'ssh_key': str(key),
                'remote_source': '/srv/projectquint/site-source',
            }))
            config = load_configuration(root)
            exports = config.shell_exports()
            output = subprocess.check_output(['bash', '-c', exports + '\nprintf "%s" "$PROJECTQUINT_DEPLOY_KEY"'], text=True)
            self.assertEqual(output, str(key))