use std::sync::LazyLock;

use chrono::DateTime;
use leptos::logging::log;
use protocol::{RTCSessionOffer, Signal};
use reqwest::Response;
use serde_json::{Value, json};

const SIGNALLING_ADDRESS: &str = "http://127.0.0.1:4546";
static REQUEST_CLIENT: LazyLock<reqwest::Client> = LazyLock::new(|| reqwest::Client::new());

async fn post_json(json: &Value) -> Result<Response, reqwest::Error> {
    REQUEST_CLIENT
        .post(SIGNALLING_ADDRESS)
        .json(json)
        .send()
        .await
}

pub async fn start_signalling(username: String) {
    log!("Start Signalling");
    log!("{}\n{}", username, SIGNALLING_ADDRESS);
    let signal = Signal {
        username,
        time: DateTime::default(),
    };
    let json = json!(signal);
    match post_json(&json).await {
        Ok(signal_response) => log!("{:#?}", signal_response),
        Err(err_val) => {
            log!("Error: Signal Post | {}", err_val);
        }
    }
}

pub async fn send_offer(rtc_session_offer: RTCSessionOffer) {
    let rtc_session_offer = json!(rtc_session_offer);
    match post_json(&rtc_session_offer).await {
        Ok(signal_response) => log!("{:#?}", signal_response),
        Err(err_val) => {
            log!("Error: Signal Post | {}", err_val);
        }
    }
}

pub async fn receive_offer(username: String) {
    let json = json!(username);
    match post_json(&json).await {
        Ok(signal_response) => log!("{:#?}", signal_response),
        Err(err_val) => {
            log!("Error: Signal Post | {}", err_val);
        }
    }
}

pub async fn send_answer(rtc_session_offer: RTCSessionOffer) {
    let rtc_session_offer = json!(rtc_session_offer);
    match post_json(&rtc_session_offer).await {
        Ok(signal_response) => log!("{:#?}", signal_response),
        Err(err_val) => {
            log!("Error: Signal Post | {}", err_val);
        }
    }
}

pub async fn receive_answer(username: String) {
    let json = json!(username);
    match post_json(&json).await {
        Ok(signal_response) => log!("{:#?}", signal_response),
        Err(err_val) => {
            log!("Error: Signal Post | {}", err_val);
        }
    }
}