import logging
import os
import platform
import subprocess
import time
import docker

from desktop_env.providers.base import Provider

logger = logging.getLogger("desktopenv.providers.vmware.VMwareProvider")
logger.setLevel(logging.INFO)

WAIT_TIME = 3

class DockerProvider(Provider):
    def __init__(self, region: str):
        self.client = docker.from_env()

    @staticmethod
    def _execute_command(command: list, return_output=False):
        process = subprocess.Popen(
            command,
            stdout=subprocess.PIPE,
            stderr=subprocess.PIPE,
            text=True,
            encoding="utf-8"
        )

        if return_output:
            output = process.communicate()[0].strip()
            return output
        else:
            return None

    def start_emulator(self, path_to_vm: str, headless: bool, os_type: str):
        self.container = self.client.containers.run('qemux/qemu-docker', environment={"DISK_SIZE": "64G", "RAM_SIZE": "6G", "CPU_CORES": "8"}, volumes={"/Users/happysix/Programs/HKUNLP/Qemu/Ubuntu.qcow2": {"bind": "/Ubuntu.qcow2", "mode": "ro"}, "/Users/happysix/Programs/HKUNLP/Qemu/snapshot.qcow2": {"bind": "/boot.qcow2", "mode": "rw"}}, cap_add=["NET_ADMIN"], ports={8006: 8006, 5000: 5001}, detach=True)

    def get_ip_address(self, path_to_vm: str) -> str:
        pass

    def save_state(self, path_to_vm: str, snapshot_name: str):
        logger.info("Saving VM state...")
        DockerProvider._execute_command(
            ["qemu-img", "convert", "-O", "qcow2", snapshot_name, "temp.qcow2"])
        DockerProvider._execute_command(
            ["mv", "temp.qcow2", path_to_vm]
        )
        time.sleep(WAIT_TIME)  # Wait for the VM to save

    def revert_to_snapshot(self, path_to_vm: str, snapshot_name: str):
        pass

    def stop_emulator(self, path_to_vm: str):
        logger.info("Stopping VMware VM...")
        self.container.stop(WAIT_TIME)
        self.container.remove()