#!/usr/bin/env ruby

# frozen_string_literal: true

require 'cryptum'

begin
  start_time = Time.now.strftime('%Y-%m-%d %H:%M:%S%z')
  # Initialize Driver Name & Parse cryptum Flags
  driver_name = File.basename($PROGRAM_NAME)
  option_choice = Cryptum::Option::Parser.get(driver_name: driver_name)

  # Initialize the Respective Environment / API Authentication Artifacts
  env = Cryptum::Option::Environment.get(option_choice: option_choice)

  # Dump out supported products if --list-products flag is passed and exit
  if option_choice.list_products
    Cryptum::API::Products.list_and_exit(
      option_choice: option_choice,
      env: env
    )
  end

  # Instantiate Our Status Indicators & History Objects
  indicator_status = Cryptum::OrderBook::Indicator.new

  # Initialize Curses UI
  terminal_win = Cryptum::UI.init

  # Generate an Order Book for Session Tracking
  # Load previous order_book_justification from
  # Order Book File (if it exists)
  event_history = Cryptum::OrderBook::Generate.new(
    start_time: start_time,
    option_choice: option_choice,
    env: env
  )
  terminal_win.key_press_event.key_w = true if option_choice.reset_session_countdown

  # Automatically Create Bot Confs if they don't
  # Exist and Initialize Automated Trading Parameters
  bot_conf = Cryptum::BotConf.read(
    option_choice: option_choice,
    event_history: event_history
  )

  # Connect to WebSocket
  # Trigger Events as Event Data
  # Generated via Coinbase Pro
  # Web Socket HTTP Responses
  # Refresh UI with Event Data
  # Update "Status Indicators"
  # Leverage "Status Indicators" to Initiate Actions
  Cryptum::WebSock::EventMachine.run(
    option_choice: option_choice,
    env: env,
    terminal_win: terminal_win,
    event_history: event_history,
    indicator_status: indicator_status,
    bot_conf: bot_conf
  )
rescue Interrupt
  # Exit Gracefully if CTRL+C is Pressed During Session
  puts 'CTRL+C Detected...Good Bye.'
  Cryptum::UI::Exit.gracefully(event_history: event_history)
rescue StandardError => e
  # Produce a Stacktrace for anything else
  Curses.close_screen
  raise e
  # TODO: everything should be returned to this
  # single ensure block for exiting gracefully,
  # however, that means event_history will need
  # to be returned back to this driver prior to
  # exit.
  # ensure
  # Cryptum::UI::Exit.gracefully(event_history: event_history)
end