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//! Google Cloud integration for [Flows.network](https://flows.network)
//!
//! Use sub modules to access the services.

use lazy_static::lazy_static;

pub mod cloud_vision;
pub mod vertex;

lazy_static! {
    static ref GOOGLE_CLOUD_SERVICE_API_PREFIX: String = String::from(
        std::option_env!("GOOGLE_CLOUD_SERVICE_API_PREFIX")
            .unwrap_or("https://google-cloud-service.flows.network/api")
    );
}

extern "C" {
    fn get_flows_user(p: *mut u8) -> i32;
    fn get_flow_id(p: *mut u8) -> i32;
}

unsafe fn _get_flows_user() -> String {
    let mut flows_user = Vec::<u8>::with_capacity(100);
    let c = get_flows_user(flows_user.as_mut_ptr());
    flows_user.set_len(c as usize);
    String::from_utf8(flows_user).unwrap()
}

unsafe fn _get_flow_id() -> String {
    let mut flow_id = Vec::<u8>::with_capacity(100);
    let c = get_flow_id(flow_id.as_mut_ptr());
    if c == 0 {
        panic!("Failed to get flow id");
    }
    flow_id.set_len(c as usize);
    String::from_utf8(flow_id).unwrap()
}