#!/usr/bin/env ruby
require "fileutils"
require "socket"
require "timeout"

REDIS_PORT = 6379
REDIS_HOST = "localhost"
APP_ROOT = File.expand_path("..", __dir__)

def system!(*args)
  system(*args, exception: true)
end

def installed?(tool)
  system("command -v #{tool} > /dev/null 2>&1")
end

def redis_running?
  Timeout::timeout(3) do
    socket = TCPSocket.new(REDIS_HOST, REDIS_PORT)
    socket.close
    return true
  end
rescue Errno::ECONNREFUSED, Errno::EHOSTUNREACH, SocketError, Timeout::Error
  return false
end

if ENV["RAILS_ENV"] == "production"
  puts "RAILS_ENV is production; bailing out"
  exit
end

FileUtils.chdir APP_ROOT do
  puts "== Installing dependencies =="

  if installed?("brew")
    system "brew install sqlite ffmpeg mise"
  elsif installed?("pacman")
    system "sudo pacman -S --noconfirm --needed sqlite ffmpeg mise"
  elsif installed?("apt")
    system "sudo apt-get install --no-install-recommends -y libsqlite3-0 ffmpeg"
  end

  if installed?("mise")
    system "mise install"
  else
    puts "Couldn't install mise"
    puts "Install mise using your package manager or via:"
    puts "https://mise.jdx.dev/installing-mise.html"
    exit 1
  end

  system("bundle check") || system!("bundle install")

  puts "\n== Preparing database =="
  if ARGV.include?("--reset")
    system "rm -rf ./storage/{db,files}"
    system! "bin/rails db:reset"
  end
  system! "bin/rails db:prepare"

  unless redis_running?
    if installed?("docker")
      system("docker run -d --name campfire-redis -p #{REDIS_PORT}:#{REDIS_PORT} redis:7")
    else
      puts "Couldn't start Redis"
      puts "Install either docker or redis and then run this command again"
      exit 1
    end
  end

  puts "\n== Removing old logs and tempfiles =="
  system! "bin/rails log:clear tmp:clear"

  puts "\n== Restarting services =="
  system! "bin/rails restart"
end