import { useState, useEffect, useCallback } from "react";
import { getCurrentWindow } from "@tauri-apps/api/window";
import { Minus, Square, Copy, X } from "lucide-react";

export function WindowControls() {
  const [isMaximized, setIsMaximized] = useState(false);

  useEffect(() => {
    const appWindow = getCurrentWindow();

    appWindow.isMaximized().then(setIsMaximized);

    const unlisten = appWindow.onResized(async () => {
      const maximized = await appWindow.isMaximized();
      setIsMaximized(maximized);
    });

    return () => {
      unlisten.then((fn) => fn());
    };
  }, []);

  const handleMinimize = useCallback((e: React.MouseEvent) => {
    e.stopPropagation();
    e.preventDefault();
    getCurrentWindow().minimize();
  }, []);

  const handleToggleMaximize = useCallback((e: React.MouseEvent) => {
    e.stopPropagation();
    e.preventDefault();
    getCurrentWindow().toggleMaximize();
  }, []);

  const handleClose = useCallback((e: React.MouseEvent) => {
    e.stopPropagation();
    e.preventDefault();
    getCurrentWindow().close();
  }, []);

  return (
    <div className="flex items-center" onMouseDown={(e) => e.stopPropagation()}>
      {/* Separator */}
      <div className="mx-2 h-4 w-px bg-pylon-text-secondary/20" />

      {/* Minimize */}
      <button
        onClick={handleMinimize}
        onMouseDown={(e) => e.stopPropagation()}
        className="flex size-8 items-center justify-center rounded-md text-pylon-text-secondary transition-all hover:scale-110 hover:bg-pylon-accent/10 hover:text-pylon-text active:scale-90"
        aria-label="Minimize"
      >
        <Minus className="size-4" />
      </button>

      {/* Maximize / Restore */}
      <button
        onClick={handleToggleMaximize}
        onMouseDown={(e) => e.stopPropagation()}
        className="flex size-8 items-center justify-center rounded-md text-pylon-text-secondary transition-all hover:scale-110 hover:bg-pylon-accent/10 hover:text-pylon-text active:scale-90"
        aria-label={isMaximized ? "Restore" : "Maximize"}
      >
        {isMaximized ? (
          <Copy className="size-3.5" />
        ) : (
          <Square className="size-3.5" />
        )}
      </button>

      {/* Close */}
      <button
        onClick={handleClose}
        onMouseDown={(e) => e.stopPropagation()}
        className="flex size-8 items-center justify-center rounded-md text-pylon-text-secondary transition-all hover:scale-110 hover:bg-pylon-danger/15 hover:text-pylon-danger active:scale-90"
        aria-label="Close"
      >
        <X className="size-4" />
      </button>
    </div>
  );
}