require 'sct/command_interface'

module Sct

    class ClusterCommand

        IS_PUBLIC_COMMAND = true
        SYNTAX = 'sct cluster up | sct cluster down | sct cluster update-config'
        SUMMARY = 'Starts/stops or updates the config of the minikube cluster'
        EXAMPLE = 'sct cluster up | sct cluster down | sct cluster update-config'
        EXAMPLE_DESCRIPTION = 'Starts/stops or updates the config of the minikube cluster'
        DESCRIPTION = "Sct cluster allows you to start, stop or update the config of the Spend Cloud minikube cluster"

        OPTIONS = []

        def execute(args, options)
            return puts "SCT has not been initialized. Run 'sct init' first.".red unless Sct::Config.exists

            if Sct::Config::WINDOWS
                minikube = "minikube.exe"
            else
                minikube = "minikube"
            end

            case args[0]
                when "up"
                    system("#{minikube} start")
                    system("#{minikube} ssh -- 'sudo su -c \"echo 10048576 > /proc/sys/fs/inotify/max_user_watches\"'")
                    system("sct cluster update-config")
                    system("kubectl config use-context minikube")
                    system("kubectl delete pod -n kube-system $(kubectl get pods -n kube-system | grep registry-creds | awk '{print $1}')")
                    system("sudo sct hostfile")
                    puts "\n✔️  You can now visit your environment at 👉 https://spend-cloud.spend.cloud.local 👌"
                when "down"
                    system("#{minikube} stop")
                when "update-config"
                    return puts "Skipping minikube config ( only needed for windows )".yellow unless Sct::Config.operatingSystem == Sct::Config::WINDOWS

                    windows_home_path = Sct::Config.getTrueHomePath
                    kube_file_path = windows_home_path+"/.kube/config"

                    if !File.exists?(kube_file_path)
                        return puts "#{kube_file_path} doesn't exist".red
                    end

                    system("sed -e 's~\\\\~/~g' -e 's~C:~/mnt/c~g' < #{kube_file_path} > ~/.kube/minikube-config")

                    return puts "Windows minikube config copied to ~/.kube/minikube-config".green
                else
                    puts "Unknown or missing argument. Please run 'sct cluster up','sct cluster down' or 'sct cluster update-config'".red
            end
        end

        implements CommandInterface

    end

end