import subprocess
import time
import platform

from .base import BaseChecker, CheckResult


class PingChecker(BaseChecker):
    def check(self) -> CheckResult:
        host = self.config["host"]
        count = self.config.get("count", 1)
        timeout = self.config.get("timeout", 5)

        # Adapt ping command for OS
        if platform.system().lower() == "windows":
            cmd = ["ping", "-n", str(count), "-w", str(timeout * 1000), host]
        else:
            cmd = ["ping", "-c", str(count), "-W", str(timeout), host]

        start = time.time()
        try:
            result = subprocess.run(
                cmd,
                capture_output=True,
                text=True,
                timeout=timeout + 5
            )
            response_time = (time.time() - start) * 1000  # ms

            if result.returncode == 0:
                return CheckResult(
                    success=True,
                    message="Host is reachable",
                    response_time=response_time
                )
            else:
                return CheckResult(
                    success=False,
                    message="Host is unreachable",
                    response_time=None
                )
        except subprocess.TimeoutExpired:
            return CheckResult(
                success=False,
                message="Ping timeout",
                response_time=None
            )
        except Exception as e:
            return CheckResult(
                success=False,
                message=f"Ping error: {e}",
                response_time=None
            )