from services.api_client import JsonTransport


class ScopedAuthClient:
    def __init__(self, base_url, client_type, session_store, transport=None, timeout=10):
        self.base_url = (base_url or '').rstrip('/')
        self.client_type = client_type
        self.session_store = session_store
        self.transport = transport or JsonTransport()
        self.timeout = int(timeout)

    def exchange(self, gateway_session_id, auth_code):
        session_key = self.build_session_key(gateway_session_id)
        response = self.transport.post_json(
            self.base_url + '/mcp/auth/exchange',
            {
                'auth_code': auth_code,
                'client_type': self.client_type,
                'session_key': session_key,
            },
            {},
            self.timeout,
        )
        data = response.get('data') or {}
        token = data.get('mcp_token')
        if (response.get('code') or '') == 'MCP_0000' and token:
            self.session_store.save(gateway_session_id, {
                'session_key': session_key,
                'mcp_token': token,
                'admin_id': data.get('admin_id'),
                'company_id': data.get('company_id'),
                'client_type': self.client_type,
                'expire_time': data.get('expire_time'),
            })
        return response

    @staticmethod
    def build_session_key(gateway_session_id):
        return 'gws_' + str(gateway_session_id or '').strip()