use crate::{
    config::MASTER_PORT,
    messaging::{self, AsMsg, BaseMessage},
    models,
    utils::{opt_to_string, VecDisplay},
    UError, UResult,
};
use reqwest::{Certificate, Client, Identity, RequestBuilder, Url};
use u_api_proc_macro::api_route;
use uuid::Uuid;

const AGENT_IDENTITY: &[u8] = include_bytes!("../../../certs/alice.p12");
const ROOT_CA_CERT: &[u8] = include_bytes!("../../../certs/ca.crt");

pub struct ClientHandler {
    base_url: Url,
    client: Client,
    password: Option<String>,
}

impl ClientHandler {
    pub fn new(server: &str) -> Self {
        let identity = Identity::from_pkcs12_der(AGENT_IDENTITY, "").unwrap();
        let client = Client::builder()
            .identity(identity)
            .add_root_certificate(Certificate::from_pem(ROOT_CA_CERT).unwrap())
            .build()
            .unwrap();
        Self {
            client,
            base_url: Url::parse(&format!("https://{}:{}", server, MASTER_PORT)).unwrap(),
            password: None,
        }
    }

    pub fn password(mut self, password: String) -> ClientHandler {
        self.password = Some(password);
        self
    }

    fn set_pwd(&self, rb: RequestBuilder) -> RequestBuilder {
        match &self.password {
            Some(p) => rb.bearer_auth(p),
            None => rb,
        }
    }

    fn build_get(&self, url: &str) -> RequestBuilder {
        let rb = self.client.get(self.base_url.join(url).unwrap());
        self.set_pwd(rb)
    }

    fn build_post(&self, url: &str) -> RequestBuilder {
        let rb = self.client.post(self.base_url.join(url).unwrap());
        self.set_pwd(rb)
    }
    //
    // get jobs for client
    #[api_route("GET")]
    async fn get_personal_jobs(&self, url_param: Option<Uuid>) -> VecDisplay<models::AssignedJob> {}
    //
    // send something to server
    #[api_route("POST")]
    async fn report(&self, payload: &[messaging::Reportable]) -> messaging::Empty {}
    //
    // download file
    #[api_route("GET")]
    async fn dl(&self, url_param: Option<Uuid>) -> Vec<u8> {}
    //
    // request download
    #[api_route("POST")]
    async fn dlr(&self, url_param: Option<String>) -> messaging::DownloadInfo {}

    //##########// Admin area //##########//
    /// client listing
    #[api_route("GET")]
    async fn get_agents(&self, url_param: Option<Uuid>) -> VecDisplay<models::Agent> {}
    //
    // get all available jobs
    #[api_route("GET")]
    async fn get_jobs(&self, url_param: Option<Uuid>) -> VecDisplay<models::JobMeta> {}
    //
    // create and upload job
    #[api_route("POST")]
    async fn upload_jobs(&self, payload: &[models::JobMeta]) -> messaging::Empty {}
    //
    // delete something
    #[api_route("GET")]
    async fn del(&self, url_param: Option<Uuid>) -> i32 {}
    //
    // set jobs for any client
    #[api_route("POST")]
    async fn set_jobs(&self, url_param: Option<Uuid>, payload: &[String]) -> VecDisplay<Uuid> {}
    //
    // get jobs for any client
    #[api_route("GET")]
    async fn get_agent_jobs(&self, url_param: Option<Uuid>) -> VecDisplay<models::AssignedJob> {}
}