class Solargraph::Shell

def available_cores
  puts Solargraph::YardMap::CoreDocs.available.join("\n")
end

def clear_cores
  Solargraph::YardMap::CoreDocs.clear
end

def config(directory = '.')
  matches = []
  if options[:extensions]
    Gem::Specification.each do |g|
      if g.name.match(/^solargraph\-[A-Za-z0-9_\-]*?\-ext/)
        require g.name
        matches.push g.name
      end
    end
  end
  conf = Solargraph::Workspace::Config.new.raw_data
  unless matches.empty?
    matches.each do |m|
      conf['extensions'].push m
    end
  end
  File.open(File.join(directory, '.solargraph.yml'), 'w') do |file|
    file.puts conf.to_yaml
  end
  STDOUT.puts "Configuration file initialized."
end

def download_core version = nil
  ver = version || Solargraph::YardMap::CoreDocs.best_download
  puts "Downloading docs for #{ver}..."
  Solargraph::YardMap::CoreDocs.download ver
end

def list_cores
  puts Solargraph::YardMap::CoreDocs.versions.join("\n")
end

def reporters
  puts Solargraph::Diagnostics.reporters
end

def socket
  port = options[:port]
  port = available_port if port.zero?
  Backport.run do
    Signal.trap("INT") do
      Backport.stop
    end
    Signal.trap("TERM") do
      Backport.stop
    end
    Backport.prepare_tcp_server host: options[:host], port: port, adapter: Solargraph::LanguageServer::Transport::Adapter
    STDERR.puts "Solargraph is listening PORT=#{port} PID=#{Process.pid}"
  end
end

def stdio
  Backport.run do
    Signal.trap("INT") do
      Backport.stop
    end
    Signal.trap("TERM") do
      Backport.stop
    end
    Backport.prepare_stdio_server adapter: Solargraph::LanguageServer::Transport::Adapter
    STDERR.puts "Solargraph is listening on stdio PID=#{Process.pid}"
  end
end

def suggest(*filenames)
  STDERR.puts "WARNING: The `solargraph suggest` command is a candidate for deprecation. It will either change drastically or not exist in a future version."
  # HACK: The ARGV array needs to be manipulated for ARGF.read to work
  ARGV.clear
  ARGV.concat filenames
  text = ARGF.read
  filename = options[:filename] || filenames[0]
  begin
    code_map = CodeMap.new(code: text, filename: filename)
    offset = code_map.get_offset(options[:line], options[:column])
    sugg = code_map.suggest_at(offset, filtered: true)
    result = { "status" => "ok", "suggestions" => sugg }.to_json
    STDOUT.puts result
  rescue Exception => e
    STDERR.puts e
    STDERR.puts e.backtrace.join("\n")
    result = { "status" => "err", "message" => e.message + "\n" + e.backtrace.join("\n") }.to_json
    STDOUT.puts result
  end
end

def version
  puts Solargraph::VERSION
end