package util

import (
	"bytes"
	"errors"
	"os/exec"
	"strings"

	"istio.io/istio/pkg/log"
)

type ExecList struct {
	Cmd  string
	Args []string
}

func NewExec(cmd string, args []string) *ExecList {
	return &ExecList{
		Cmd:  cmd,
		Args: args,
	}
}

func ExecuteOutput(cmd string, args ...string) (string, error) {
	externalCommand := exec.Command(cmd, args...)
	stdout := &bytes.Buffer{}

    docker exec "${C1_NODE}" ip route add "${C2_POD_CIDR}" via "${C2_DOCKER_IP}"
    docker exec "${C1_NODE}" ip route add "${C2_SVC_CIDR}" via "${C2_DOCKER_IP}"
    docker exec "${C2_NODE}" ip route add "${C1_POD_CIDR}" via "${C1_DOCKER_IP}"
    docker exec "${C2_NODE}" ip route add "${C1_SVC_CIDR}" via "${C1_DOCKER_IP}"
  fi
}

	if !browser {
		fmt.Fprint(writer, "skipping opening a browser")
		return
	}

	switch runtime.GOOS {
	case "linux":
		err = exec.Command("xdg-open", url).Start()
	case "windows":
		err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
	case "darwin":
		err = exec.Command("open", url).Start()
	default:
		fmt.Fprintf(writer, "Unsupported platform %q; open %s in your browser.\n", runtime.GOOS, url)
	}

  # CAP_NET_ADMIN capability, which is required to use TPROXY.
  #interceptionMode: REDIRECT
  #
  # Port where Envoy listens (on local host) for admin commands
  # You can exec into the istio-proxy container in a pod and
  # curl the admin port (curl http://localhost:15000/) to obtain
  # diagnostic information from Envoy. See
  # https://lyft.github.io/envoy/docs/operations/admin.html

lint-scripts:
	@${FINDFILES} -name '*.sh' -print0 | ${XARGS} -n 256 shellcheck

lint-yaml:
	@${FINDFILES} \( -name '*.yml' -o -name '*.yaml' \) -not -exec grep -q -e "{{" {} \; -print0 | ${XARGS} yamllint -c ./common/config/.yamllint.yml

lint-helm:
	@${FINDFILES} -name 'Chart.yaml' -print0 | ${XARGS} -L 1 dirname | xargs -r helm lint --strict

lint-copyright-banner:

    - --stsPort={{ .Values.global.sts.servicePort }}
  {{- end }}
  {{- if .Values.global.logAsJson }}
    - --log_as_json
  {{- end }}
    lifecycle:
      postStart:
        exec:
          command:
          - pilot-agent
          - wait
          - --url=http://localhost:15020/healthz/ready
    env:
    - name: ISTIO_META_GENERATOR
      value: grpc
    - name: OUTPUT_CERTS

	cp -r manifests/charts/gateways/istio-ingress/templates/* manifests/charts/gateways/istio-egress/templates
	find ./manifests/charts/gateways/istio-egress/templates -type f -exec sed -i -e 's/ingress/egress/g' {} \;
	find ./manifests/charts/gateways/istio-egress/templates -type f -exec sed -i -e 's/Ingress/Egress/g' {} \;

	# external istiod remote cluster charts
	cp manifests/charts/base/templates/services.yaml manifests/charts/istiod-remote/templates

  {{- else if $holdProxy }}
    lifecycle:
      postStart:
        exec:
          command:
          - pilot-agent
          - wait
  {{- else if $nativeSidecar }}
    {{- /* preStop is called when the pod starts shutdown. Initialize drain. We will get SIGTERM once applications are torn down. */}}
    lifecycle:
      preStop:
        exec:
          command:
          - pilot-agent
          - request

  {{- else if $holdProxy }}
    lifecycle:
      postStart:
        exec:
          command:
          - pilot-agent
          - wait
  {{- else if $nativeSidecar }}
    {{- /* preStop is called when the pod starts shutdown. Initialize drain. We will get SIGTERM once applications are torn down. */}}
    lifecycle:
      preStop:
        exec:
          command:
          - pilot-agent
          - request

                      - tcpSocket
                    - required:
                      - exec
                - required:
                  - httpGet
                - required:
                  - tcpSocket
                - required:
                  - exec
                properties:
                  exec:
                    description: Health is determined by how the command that is executed