require 'yaml'

module Sct
  class DevCommand

    @@file = "docker-compose.dev.yml"

    def error message
      UI.error message
      exit 1
    end

    def dc command, env = {}
      system env, "docker-compose -f ~/development/spend-cloud/docker-compose.yml #{command}"
    end

    def dc_dev command, env = {}
      system env, "docker-compose -f #{@@file} #{command}"
    end

    def manifest
      if !File.exist? @@file
        error "Could not find file '#{@@file}'."
      end

      YAML.load File.read @@file
    end

    def execute args, options
      services = manifest["services"].to_a

      if services.length != 1
        error "Currently sct only supports a single service declaration in '#{@@file}'. Contact the infra guild if you consider this a limitation."
      end

      service, service_spec = services.first

      container = service_spec["container_name"]
      command = service_spec["command"] || ""

      env = {
        "PUID" => `id -u`.chomp,
        "PGID" => `id -g`.chomp,
        "HOST_MACHINE_IP" => (options.wsl_debugger ? `hostname -I | awk '{print $1}'` : `powershell.exe -c '(Test-Connection -ComputerName $env:computername -count 1).ipv4address.IPAddressToString' | dos2unix`).chomp,
        "IDE_DEBUG_KEY" => "PHPSTORM",
        "IDE_DEBUG_SERVER" => "docker",
      }

      if options.pull
        return unless dc_dev "pull"
      end

      if options.build
        return unless dc_dev "build #{options.pull ? "--pull" : ""}", env
      end

      if options.pull or options.build
        system "docker image prune -f"
      end

      return unless dc "rm --stop --force #{service}"

      dc_dev "run --rm --service-ports --name #{container} #{service} #{command}", env

      dc "up --detach #{service}"
    end

  end
end