#!/usr/bin/env ruby

$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), *%w(.. lib)))

require "optparse"
require "caravan"

options = {}
option_parser = OptionParser.new do |opts|
  opts.banner = "Caravan #{Caravan::VERSION}\nCopyright (c) David Zhang 2018\n"
  opts.separator ""

  opts.on("-s SOURCE_PATH", "--source SOURCE_PATH", "Source path") do |value|
    options[:src] = value
  end

  opts.on("-d DEST_PATH", "--dest DEST_PATH", "Destination path") do |value|
    options[:dst] = value
  end

  opts.on("-m DEPLOY_MODE", "--mode DEPLOY_MODE", "Deploy mode") do |value|
    options[:mode] = value || "shell"
  end

  opts.on("-i IGNORE_FILES", "--ignore IGNORE_FILES", "Ignore files") do |value|
    if options.key?(:ignore)
      options[:ignore] << value
    else
      options[:ignore] = [value]
    end
  end

  options[:once] = false
  opts.on("-o", "--once", "Deploy for once") do
    options[:once] = true
  end

  options[:debug] = false
  opts.on("-b", "--debug", "Debug mode") do
    options[:debug] = true
  end

  opts.on_head("--init", "Init caravan.yml") do
    Caravan.dump_default_conf
    Caravan::Message.success("Generated #{Caravan::Config.default_conf_name}")
    exit
  end

  opts.on_tail("--version", "Show version") do
    puts Caravan::VERSION
    exit
  end
end

if ARGV.length == 0
  merged_conf = Caravan::Config.merge({}, Caravan.process_conf("."))
else
  option_parser.parse!(ARGV)
  merged_conf = Caravan::Config.merge(options, Caravan.process_conf(options[:src]))
end

if merged_conf.key?("src") && merged_conf.key?("dst") && merged_conf.key?("deploy_mode")
  Caravan.start(merged_conf)
else
  Caravan::Message.error("No src, dst, deploy_mode specified. Cannot deploy.")
end