Cctv health monitoring

I would like to develop a engine to monitor vms/nvr/dvr system status. The engine shall provide the ability to integrate different systems. The engine shall collect system fault, recording status, signal status etc. the integration to the system shall be via the manufacturer equipment windows Sdk/api. The engine shall support json or different suggest methods to integrate to my management application. The system shall have a generic interface to build additional integrations. The basic application shall support hikvision and wavestore vms integration (integration via Sdk)