import logging
from flask import Blueprint, request, jsonify
logger = logging.getLogger('picell')
bp = Blueprint('files', __name__)

@bp.route('/api/files/users', methods=['GET'])
def get_file_users():
    """Get file storage users."""
    try:
        from app import file_manager
        users = file_manager.get_users()
        return jsonify(users)
    except Exception as e:
        logger.error(f"Error getting file users: {e}")
        return jsonify({"error": str(e)}), 500

@bp.route('/api/files/users', methods=['POST'])
def create_file_user():
    """Create file storage user."""
    try:
        from app import file_manager
        data = request.get_json(silent=True)
        if data is None:
            return jsonify({"error": "No data provided"}), 400
        username = data.get('username')
        password = data.get('password')
        if not username or not password:
            return jsonify({"error": "Missing required fields: username, password"}), 400
        result = file_manager.create_user(username, password)
        return jsonify({"created": result})
    except Exception as e:
        logger.error(f"Error creating file user: {e}")
        return jsonify({"error": str(e)}), 500

@bp.route('/api/files/users/<username>', methods=['DELETE'])
def delete_file_user(username):
    """Delete file storage user."""
    try:
        from app import file_manager
        result = file_manager.delete_user(username)
        return jsonify(result)
    except Exception as e:
        logger.error(f"Error deleting file user: {e}")
        return jsonify({"error": str(e)}), 500

@bp.route('/api/files/folders', methods=['POST'])
def create_folder():
    """Create folder."""
    try:
        from app import file_manager
        data = request.get_json(silent=True)
        if data is None:
            return jsonify({"error": "No data provided"}), 400
        username = data.get('username')
        folder_path = data.get('folder_path') or data.get('path')
        if not username or not folder_path:
            return jsonify({"error": "Missing required fields: username, folder_path"}), 400
        result = file_manager.create_folder(username, folder_path)
        return jsonify({"created": result})
    except ValueError as e:
        return jsonify({"error": str(e)}), 400
    except Exception as e:
        logger.error(f"Error creating folder: {e}")
        return jsonify({"error": str(e)}), 500

@bp.route('/api/files/folders/<username>/<path:folder_path>', methods=['DELETE'])
def delete_folder(username, folder_path):
    """Delete folder."""
    try:
        from app import file_manager
        result = file_manager.delete_folder(username, folder_path)
        return jsonify(result)
    except ValueError as e:
        return jsonify({"error": str(e)}), 400
    except Exception as e:
        logger.error(f"Error deleting folder: {e}")
        return jsonify({"error": str(e)}), 500

@bp.route('/api/files/upload/<username>', methods=['POST'])
def upload_file(username):
    """Upload file."""
    try:
        from app import file_manager
        if 'file' not in request.files:
            return jsonify({"error": "No file provided"}), 400

        file = request.files['file']
        path = request.form.get('path', '') or file.filename or ''
        file_data = file.read()

        result = file_manager.upload_file(username, path, file_data)
        return jsonify({"uploaded": result})
    except ValueError as e:
        return jsonify({"error": str(e)}), 400
    except Exception as e:
        logger.error(f"Error uploading file: {e}")
        return jsonify({"error": str(e)}), 500

@bp.route('/api/files/download/<username>/<path:file_path>', methods=['GET'])
def download_file(username, file_path):
    """Download file."""
    try:
        from app import file_manager
        result = file_manager.download_file(username, file_path)
        return jsonify(result)
    except ValueError as e:
        return jsonify({"error": str(e)}), 400
    except Exception as e:
        logger.error(f"Error downloading file: {e}")
        return jsonify({"error": str(e)}), 500

@bp.route('/api/files/delete/<username>/<path:file_path>', methods=['DELETE'])
def delete_file(username, file_path):
    """Delete file."""
    try:
        from app import file_manager
        result = file_manager.delete_file(username, file_path)
        return jsonify(result)
    except ValueError as e:
        return jsonify({"error": str(e)}), 400
    except Exception as e:
        logger.error(f"Error deleting file: {e}")
        return jsonify({"error": str(e)}), 500

@bp.route('/api/files/list/<username>', methods=['GET'])
def list_files(username):
    """List files."""
    try:
        from app import file_manager
        folder = request.args.get('folder', '')
        result = file_manager.list_files(username, folder)
        return jsonify(result)
    except ValueError as e:
        return jsonify({"error": str(e)}), 400
    except Exception as e:
        logger.error(f"Error listing files: {e}")
        return jsonify({"error": str(e)}), 500

@bp.route('/api/files/status', methods=['GET'])
def get_file_status():
    """Get file service status."""
    try:
        from app import file_manager
        status = file_manager.get_status()
        return jsonify(status)
    except Exception as e:
        logger.error(f"Error getting file status: {e}")
        return jsonify({"error": str(e)}), 500

@bp.route('/api/files/connectivity', methods=['GET'])
def test_file_connectivity():
    """Test file service connectivity."""
    try:
        from app import file_manager
        result = file_manager.test_connectivity()
        return jsonify(result)
    except Exception as e:
        logger.error(f"Error testing file connectivity: {e}")
        return jsonify({"error": str(e)}), 500