#!/usr/bin/env ruby

# Add Qwandry's library to the load path
$:.unshift File.dirname(__FILE__) + '/../lib'

# Require Qwandry's library
require "qwandry.rb"

# Load Qwandry's configuration files 
config = Qwandry::Configuration
config.load_configuration_files

# Create a launcher
@launcher = Qwandry::Launcher.new

opts = OptionParser.new do |opts|    
  opts.banner = "Usage: qwandry [options] name"
  opts.separator ""
  
  opts.on("-r", "--repo LABELS", Array, "Search in LABELS, default: #{config.default.join(',')}","Available Repository Types:", *config.configurations.map{|c| "  #{c}"}) do |names|
    config.default *names
  end
  
  opts.separator ""
  opts.on("-e", "--editor EDITOR", "Use EDITOR to open the package") do |editor|
    @launcher.editor = editor
  end
  
  opts.separator "Additional Commands"
  
  opts.on("--customize", "Create and edit files for customizing Qwandry") do
    dir = Qwandry.config_dir
    if !dir
      puts "HOME directory must be defined."
      exit(1)
    else
      FileUtils.mkdir_p(dir, :verbose=>true) unless File.exist?(dir)
      Dir[File.dirname(__FILE__) + '/../templates/*'].each do |path|
        FileUtils.cp(path, dir, :verbose=>true) unless File.exist?(path)
      end
      @launcher.launch dir
    end
    exit(0)
  end
  
  opts.on_tail("-h", "--help", "Show this message") do
    puts opts
    exit
  end
end

opts.parse! ARGV
if ARGV.length == 0
  puts opts
  exit 1 
end

# Find the packages:
name = ARGV.join(' ')
packages = @launcher.find(*ARGV)
ARGV.clear # for the gets below

# There may be 0, 1, or many matches.  If many, then
# ask the user which one to launch.
package = nil
case packages.length
when 0
  puts "No packages matched '#{name}'"
  exit 4 # Exit code 4 for No Package
when 1
  package = packages.first
else
  packages.each_with_index do |package, index|
    puts "%3d. %s" % [index+1, package.name]
  end

  print ">> "
  index = gets.to_i - 1
  package = packages[index]
end

# If there is a package, then launch it.
if package
  if @launcher.launch(package)
    # Exit code 0 for success
    exit 0 
  else
    # Exit with the status returned by the process used to open the package
    exit $?.exitstatus 
  end
end