(ns sliva.server.handlers
  (:require [clojure.java.shell :refer [sh]]
            [compojure.core :refer [defroutes GET]]
            [compojure.route :refer [resources]]
            [clojure.string :as str]
            [clojure.core.async :refer [chan <! <!! >! put! close! go go-loop]]
            [ring.util.response :refer [resource-response]]
            [ring.middleware.reload :refer [wrap-reload]]
            [chord.http-kit :refer [with-channel]]))

(def clients (atom {}))

(defn send-all [& args]
  (println "sending to all" args (keys @clients))
  (doseq [conn @clients]
    (println "sending" args)
    (put! (val conn) (str/join ":" args))))

(defn socket-handler [request]
  (let [cid (java.util.UUID/randomUUID)]
    (with-channel request ws-ch
      (go
        (let [{:keys [message]} (<! ws-ch)]
          (println "new connection - " cid)
          (>! ws-ch (str "hello:" cid))
          (swap! clients assoc cid ws-ch)
          (send-all "open" cid)
          (go-loop []
            (let [{:keys [message]} (<! ws-ch)]
              (println "GOT MSG!" message)
              (let [[cmd & args] (str/split message #":")]
                (println "command" cmd "(" args ")")
                (condp = cmd
                  "ping" (>! ws-ch "pong")
                  (println "DEBUG: msg ignored: " cmd))) (keys @clients)
              (recur))))))))
;;(close! ws-ch)))))

;;test
;;(while true
;;  (let [return (sh "sudo" "bash" "-c" "iwlist scan | grep ESSID | sed 's/[[:space:]]\\+ESSID://' | sed 's/\"//g' | uniq")]
;;    (println "GOT NETWORKS!" (:out return)))