"""
Test suite for StorageClient delete_file method
===========================================

This module contains tests for the delete_file method of the StorageClient class,
particularly focusing on cross-provider functionality.
"""

import pytest
from unittest.mock import patch, MagicMock

from clevercloud_storage_framework.client import StorageClient
from clevercloud_storage_framework.exceptions import StorageError


class TestStorageClientDeleteFile:
    """Test suite for StorageClient delete_file method."""

    @pytest.fixture
    def mock_provider(self):
        """Create a mock storage provider."""
        provider = MagicMock()
        provider.get_provider_name.return_value = "mock"
        provider.supports_path.return_value = True
        return provider

    @pytest.fixture
    def client(self, mock_provider):
        """Create a StorageClient with a mock provider."""
        return StorageClient(mock_provider)

    def test_delete_file_with_supported_path(self, client, mock_provider):
        """Test deleting a file with a path supported by the current provider."""
        # Setup
        path = "mock://bucket/file.txt"
        mock_provider.supports_path.return_value = True
        
        # Execute
        client.delete_file(path)
        
        # Verify
        mock_provider.delete_file.assert_called_once_with(path)

    @patch('clevercloud_storage_framework.factory.StorageClientFactory.get_provider_for_path')
    def test_delete_file_with_unsupported_path(self, mock_get_provider, client, mock_provider):
        """Test deleting a file with a path not supported by the current provider."""
        # Setup
        path = "s3://bucket/file.txt"
        mock_provider.supports_path.return_value = False
        
        # Create a mock S3 provider
        mock_s3_provider = MagicMock()
        mock_s3_provider.get_provider_name.return_value = "s3"
        mock_get_provider.return_value = mock_s3_provider
        
        # Execute
        client.delete_file(path)
        
        # Verify
        mock_get_provider.assert_called_once_with(path)
        mock_s3_provider.delete_file.assert_called_once_with(path)
        mock_provider.delete_file.assert_not_called()

    @patch('clevercloud_storage_framework.factory.StorageClientFactory.get_provider_for_path')
    def test_delete_file_fallback_to_current_provider(self, mock_get_provider, client, mock_provider):
        """Test fallback to current provider when no suitable provider is found."""
        # Setup
        path = "unknown://bucket/file.txt"
        mock_provider.supports_path.return_value = False
        mock_get_provider.side_effect = StorageError("No provider found", provider="unknown")
        
        # Execute
        client.delete_file(path)
        
        # Verify
        mock_get_provider.assert_called_once_with(path)
        mock_provider.delete_file.assert_called_once_with(path)