module Pbmenv

# File lib/pbmenv.rb, line 10
def self.available_versions
  Pbmenv::PBM.new.available_versions.map { |x| x["name"] =~ /^v([\d.]+)/ && $1 }.compact
end

# File lib/pbmenv.rb, line 60
  def self.download_src(version)
    if ENV["DEBUG_INSTALL"]
      shell = <<~SHELL
        git clone https://github.com/splaplapla/procon_bypass_man.git procon_bypass_man-#{version}
      SHELL
    else
      shell = <<~SHELL
        curl -L https://github.com/splaplapla/procon_bypass_man/archive/refs/tags/v#{version}.tar.gz | tar xvz
      SHELL
    end
    system_with_puts(shell)
    unless File.exists?("procon_bypass_man-#{version}/project_template")
      raise "This version is not support by pbmenv"
    end
  end

# File lib/pbmenv.rb, line 18
  def self.install(version)
    raise "Need a version" if version.nil?

    if File.exists?("/usr/share/pbm/v#{version}")
      return false
    end

    download_src(version)
    system_with_puts <<~SHELL
      mkdir -p #{PBM_DIR}/v#{version} && cp -r procon_bypass_man-#{version}/project_template/* #{PBM_DIR}/v#{version}/
    SHELL
    use version
  rescue => e
    system_with_puts "rm -rf #{PBM_DIR}/v#{version}"
    raise
  ensure
    system_with_puts "rm -rf ./procon_bypass_man-#{version}"
  end

# File lib/pbmenv.rb, line 76
def self.system_with_puts(shell)
  puts "[SHELL] #{shell}"
  system(shell)
end

# File lib/pbmenv.rb, line 38
def self.uninstall(version)
  raise "Need a version" if version.nil?

  unless File.exists?("/usr/share/pbm/v#{version}")
    return false
  end
  system_with_puts "rm -rf #{PBM_DIR}/v#{version}"
end

# File lib/pbmenv.rb, line 47
def self.use(version)
  raise "Need a version" if version.nil?

  unless File.exists?("/usr/share/pbm/v#{version}")
    return false
  end

  if File.exists?("#{PBM_DIR}/current")
    system_with_puts "unlink #{PBM_DIR}/current"
  end
  system_with_puts "ln -s #{PBM_DIR}/v#{version} #{PBM_DIR}/current"
end

# File lib/pbmenv.rb, line 14
def self.versions
  Pbmenv::PBM.new.versions.map { |name| Pathname.new(name).basename.to_s =~ /^v([\d.]+)/ && $1 }.compact
end