#!/usr/bin/env ruby
# frozen_string_literal: true
# BSD 2-Clause License
# 
# Copyright (c) 2023, Gregory Cohen
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
# 1. Redistributions of source code must retain the above copyright notice, this
   # list of conditions and the following disclaimer.
# 
# 2. Redistributions in binary form must reproduce the above copyright notice,
   # this list of conditions and the following disclaimer in the documentation
   # and/or other materials provided with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
GREGORYS_USERNAME = 'a'
if File.basename(Dir.home) == GREGORYS_USERNAME
  # if Dir.basename   (Dir.home) == "a"
  PERSON = 'Gregory'
  EMAIL = 'gregorycohenvideos@gmail.com'
else
  abort "Needs configuring in #{__FILE__} on line #{__LINE__}"
end

abort 'No himalaya Install from here https://github.com/soywod/himalaya' if `which himalaya`.empty?

def main
  done = false

  while `ping -c 1 example.com 2>&1`.match('not known')
    system 'nmcli networking on'
    system "notify-send 'Waiting for connectivity to email'" unless done
    done = true
  end

  system "notify-send 'Connectivity established'" if done
  next_is_attachment = false
  attachments = []
  args = ARGV.reject do |i|
    if next_is_attachment
      next_is_attachment = false
      attachments.push i
      true
    else
      next_is_attachment = (i == '-a')
    end
  end

  #    puts args.length

  args = case args.length
         when 0
           ["From #{PERSON}"] + args + [EMAIL.to_s]
         when 1
           #	subject = "From Gregory"
           ["From #{PERSON}"] + args
         else
           args
         end

  subject = args[0]

  from = "#{PERSON} <#{EMAIL}>"
  begin
    content = $stdin.read
  rescue Object
    print '  '
    exit 1
  end
  require 'tempfile'
  # STRING=

  #  puts args
  #  exit! 0
  #  pu
  # puts args
  raise if args.empty?

  loop do
    #  	"Loop"
    #	args
    args[1..-1].each do |arg|
      text = <<~EOF
        To: <#{arg}>
        From: #{from}
        Subject: #{subject}

        #{content.strip}
      EOF
      #    puts text
      Tempfile.open do |file|
        puts attachments
        require 'shellwords'
        attachment_shell = (attachments.map { |i| "-a #{i.shellescape}"; }).join(' ') # .to_a.join
        a = IO.popen(
          "himalaya send 2>&1 #{attachment_shell} | grep -viE '(^\s*$)|cannot|could not|folder|missing|caused by'   1> #{file.path}", 'w'
        ) do |h|
          h.puts text
        end
        return if File.read(file.path).strip == ''

        begin
        Dir.chdir __dir__
        Kernel.warn "Resending email to #{arg.shellescape}"
        require 'shellwords'
        system "notify-send 'Resending email to #{arg.shellescape}'"
        exec __FILE__; rescue Object; end
      end
    end
  end
end

def call
  yield
end
EXIT_SUCCESS = 0
func = ENV['BG'] == 'true' ? :fork : :call
send func do
  main
end
exit EXIT_SUCCESS