require "net/ssh"
require "thor"

module Dogids
  class Cli < Thor
    no_commands do
      def deploy_staging
        print_heading("Deploying dogids.com site to staging server")


        server_addresses = [
          "staging"
        ]

        server_addresses.each do |server_address|

          ssh_address = get_config_url("staging",server_address)
          next if ssh_address == false

          Net::SSH.start("#{ssh_address}", "dogids") do |ssh|
            print_command("Checking the current git status")
            ssh.exec!(staging_git_status_command) do |_channel, _stream, data|
              print_command(data)
            end

            current_branch = ssh.exec!("cd /home/dogids/apps/dogids.com && git rev-parse --abbrev-ref HEAD").strip

            print_heading("Current Branch: #{current_branch}")
            print_heading("Available Branches:")
            ssh.exec!("cd /home/dogids/apps/dogids.com && git branch -r --no-merged master") do |_channel, _stream, data|
              print_command("master")
              data.split("\n").each do |branch|
                print_command(branch.gsub("origin/", ""))
              end
            end

            branch = ask("-----> Which branch would you like to deploy?").strip
            break print_command("Fine, be that way.") if branch.length == 0

            print_command("Pulling latest from #{branch}")
            ssh.exec!(staging_git_pull_command(branch)) do |_channel, _stream, data|
              print_command(data)
            end

            print_command("Updating file permissions")
            ssh.exec!(web_update_permissions_command) do |_channel, _stream, data|
              print_command(data)
            end

            git_sha = "Unknown"
            ssh.exec!(web_git_get_sha)  do |_channel, _stream, data|
              git_sha = data.strip
            end
            print_command("Current git SHA: #{git_sha}")
          end
        end

        print_heading("Done.")
      end

    end

  private

    def staging_git_pull_command(branch)
      commands = []
      commands << "cd /home/dogids/apps/dogids.com"
      commands << "sudo chown dogids:www-data -R blog/wp-content"
      commands << "sudo chown dogids:www-data -R resources"
      commands << "sudo chown dogids:www-data -R templates"
      commands << "git fetch origin #{branch}"
      commands << "git checkout #{branch}"
      commands << "git pull origin #{branch}"
      commands.join("&& ")
    end

    def staging_git_status_command
      commands = []
      commands << "cd /home/dogids/apps/dogids.com"
      commands << "git status -s"
      commands.join("&& ")
    end
  end
end