DEFAULT_ANYENV_ROOT = '/usr/local/anyenv'.freeze

def run(attributes, username = ENV['USER'])
  init(username)

  p :USR
  p ENV['USER']
  p :ANYENV_ROOT
  p ENV['ANYENV_ROOT']

  clone_anyenv
  clone_anyenv_update

  directory "#{@root_path}/envs"

  install_envs(attributes)
end

private

def scheme
  @scheme ||= node[:anyenv][:scheme] || 'git'
end

def install_envs(attributes)
  attributes[:install_versions].each do |envs|
    envs.each do |env, vers|
      # install('anyenv', env)

      # vers.each { |ver| install(env, ver) }

      global_version(env, vers.first)
    end
  end
end

def install(from, to)
  execute anyenv_init_with("yes | #{from} install #{to};")
end

def init(username)
  @username = username
  @root_path = ENV['ANYENV_ROOT'] || DEFAULT_ANYENV_ROOT
end

def anyenv_init_with(command)
  <<-"EOS".gsub("\n", ' ')
    export ANYENV_ROOT=#{@root_path};
    export PATH=#{@root_path}/bin:${PATH};
    eval "$(anyenv init -)";
    #{command}
  EOS
end

# def anyenv_root(username)
#   return anyenv_system_root if username.nil?
#   anyenv_user_root(username)
# end

# def anyenv_system_root
#   if node[:anyenv] && node[:anyenv][:anyenv_root]
#     return node[:anyenv][:anyenv_root]
#   end
#   return ENV['ANYENV_ROOT'] || DEFAULT_ANYENV_ROOT
# end

# def anyenv_user_root(username)
#   if node[:anyenv][:users][username].key?(:anyenv_root)
#     return node[:anyenv][:users][username][:anyenv_root]
#   end
#   case node[:platform]
#   when 'darwin'
#     "/Users/#{username}/.anyenv"
#   else
#     "/home/#{username}/.anyenv"
#   end
# end

# def anyenv_init(root_path)
#   <<-"EOS".gsub("\n", ' ')
# export ANYENV_ROOT=#{root_path};
# export PATH=#{root_path}/bin:${PATH};
# eval "$(anyenv init -)";
#   EOS
# end

def clone_repository(install_path, repo_path)
  git install_path do
    user @username if @username
    repository repo_path if repo_path
    not_if "test -d #{install_path}"
  end
end

def clone_anyenv
  repo_path = "#{scheme}://github.com/riywo/anyenv.git"
  clone_repository(@root_path, repo_path)
end

def clone_anyenv_update
  install_path = "#{@root_path}/plugins/anyenv-update"
  repo_path = "#{scheme}://github.com/znz/anyenv-update.git"
  clone_repository(install_path, repo_path)
end

# def install_envs(attributes)
#   attributes[:install_versions].each do |envs|
#     envs.each do |env, vers|
#       install_env(env)

#       vers.each do |ver|
#         install_env_version(env, ver)
#       end

#       global_version(env, vers.first)
#     end
#   end
# end

# def install_env(envname)
#   execute "install #{envname}" do
#     user @username if @username
#     command @init_cmd
#     command "#{@init_cmd} yes | anyenv install #{envname};"
#     not_if "type #{envname}"
#   end
# end

# def install_env_version(envname, version)
#   execute "#{envname} install #{version}" do
#     user @username if @username
#     command "#{@init_cmd} yes | #{envname} install #{version}"
#     not_if "#{@init_cmd} #{envname} versions | grep #{version}"
#   end
# end

def global_version(envname, version)
  execute "#{envname} global #{version}" do
    # user @username if @username
    command anyenv_init_with <<-EOS
      #{envname} global;
      #{version}; #{envname} rehash;
    EOS
    # not_if anyenv_init_with "#{envname} global | grep #{version}"
  end
  # execute "#{envname} global #{version}" do
  #   user @username if @username
  #   command <<-EOS
  #     #{envname} global #{version};
  #     #{envname} rehash;
  #   EOS
  #   not_if "#{envname} global | grep #{version}"
  # end
end