import subprocess
import shutil

class ActionDispatcher:
    def dispatch(self, service_type, config):
        print(f"Executing action -> Type: {service_type}")

        if service_type == "browser":
            self._launch_app_browser(config['target'])
        elif service_type == "rdp":
            ## Refactor required to pass 'config' through to this level
            self._launch_xfreerdp(config)
        elif service_type == "command":
            self._run_command(config['cmd'].split())
        elif service_type == "power":
            self._handle_power_action(config)
        else:
            print(f"Service type: {service_type}, not known")

    def _launch_app_browser(self, url):
        print(f"URL: {url}")
        browser_candidates = [
            "chromium",
            "chromium-browser",
            "brave-browser",
            "google-chrome",
            "microsoft-edge",
            "vivaldi"
        ]
        browser_bin = None
        for candidate in browser_candidates:
            if shutil.which(candidate):
                browser_bin = candidate
                break

        if not browser_bin:
            print("Error: No supported chromium based browser found in PATH,")
            return

        cmd = [browser_bin, f"--app={url}", "--start-maximized", "--incognito"]
        print(f"Launching browser command: {' '.join(cmd)}")
        self._run_command(cmd)

    def _launch_xfreerdp(self, config):
        cmd = [
            "xfreerdp",
            f"/v:{config['target']}",
            f"/u:{config['user']}",
            f"/p:{config['password']}",
            "/sound",
            "/scale-desktop:133",
            "/audio-mode:0",
            "/f"
        ]
        self._run_command(cmd)

    def _handle_power_action(self, action):
        if action == "shutdown":
            print("Initiating system shutdown")
            self._run_command(["systemctl", "poweroff"])
        elif action == "reboot":
            print("Initiating system reboot...")
            self._run_command(["systemctl", "reboot"])
        else:
            print(f"Unknown power action: {action}")

    def _run_command(self, cmd):
        try:
            subprocess.Popen(cmd)
        except Exception as e:
            print(f"Failed to execute cmd: {cmd}: {e}")