#!/usr/bin/env ruby

# For running when gem not installed
$:.unshift File.dirname(File.dirname(__FILE__)) + "/lib"

require "rubygems"
require "optparse"
require "fileutils"
require "guider/guide"
require "guider/config"
require "guider/template"
require "guider/index"

options = {
  :output => Dir.pwd + "/out",
}

input_files = OptionParser.new do |opts|
  opts.banner = "Generates a guide.\n\n" +
    "Usage: guider <guides.json>\n\n"

  opts.on("-o", "--output=DIR", "Where to output the guides.") do |dir|
    options[:output] = dir
  end

  opts.on("-h", "--help", "Show this help message") do
    puts opts
    exit
  end
end.parse!


# clean output dir
FileUtils.rm_rf(options[:output])
FileUtils.mkdir(options[:output])

# copy over main template resources
tpl_dir = File.dirname(File.dirname(__FILE__)) + "/template"
Dir[tpl_dir+"/*.{js,css,ico}"].each do |fname|
  FileUtils.cp(fname, options[:output])
end

# Read the template HTML file
tpl = Guider::Template.new(tpl_dir + "/guide.html")

# The guides.json file
config_file = input_files[0]

guides = Guider::Config.new(config_file, tpl).guides

guides.each do |guide|
  guide.write(options[:output])
end

index_tpl = Guider::Template.new(tpl_dir + "/index.html")
Guider::Index.new(guides, index_tpl).write(options[:output])

html = index_tpl.apply({
  :title => "Guides",
  :content => "blah",
})