(ns user
  (:require [clojure.tools.namespace.repl :as repl]
            [clojure.tools.logging :as log]
            [mount.core :as mount]
            [hawk.core :as hawk]))

;; Only reload spiceflow namespaces
(repl/set-refresh-dirs "src")

(defonce watcher (atom nil))

(defn start
  "Start the application."
  []
  (require 'spiceflow.core)
  ((resolve 'spiceflow.core/-main)))

(defn stop
  "Stop the application."
  []
  (mount/stop))

(defn reset
  "Stop, reload all changed namespaces, and restart."
  []
  (stop)
  (repl/refresh :after 'user/start))

(defn reload
  "Reload all changed namespaces without restarting."
  []
  (repl/refresh))

(defn reload-all
  "Force reload all app namespaces."
  []
  (stop)
  (repl/refresh-all :after 'user/start))

(defn- clj-file? [_ {:keys [file]}]
  (and file (.endsWith (.getName file) ".clj")))

(defn- on-file-change [_ _]
  (log/info "File change detected, reloading namespaces...")
  (log/info "Reloading workspaces...")
  (try
    (reset)
    (log/info "Reload complete")
    (catch Exception e
      (log/error e "Reload failed"))))

(defn watch
  "Start watching src directory for changes and auto-reload."
  []
  (when @watcher
    (hawk/stop! @watcher))
  (reset! watcher
          (hawk/watch! [{:paths ["src"]
                         :filter clj-file?
                         :handler on-file-change}]))
  (log/info "File watcher started - will auto-reload on .clj changes"))

(defn unwatch
  "Stop the file watcher."
  []
  (when @watcher
    (hawk/stop! @watcher)
    (reset! watcher nil)
    (log/info "File watcher stopped")))

(defn go
  "Start the app and enable auto-reload on file changes."
  []
  (start)
  (watch)
  :ready)