#!/usr/bin/env coffee
path = require 'path'
fs   = require 'fs'
jade = require 'jade'
_    = require 'underscore'
md   = require('node-markdown').Markdown

paths =
  bin:   __dirname
  root: path.join __dirname, '..'
  docs: path.join __dirname, '../docs'
  srcs: path.join __dirname, '../docs/doc_files'
  jade: path.join __dirname, '../docs/templates'

# Hash to store any variable needed in our template
locals = {}

# Create a hash of title => html for every doc source file
docFiles = {}
sources = fs.readdirSync paths.srcs
for file in sources.sort()
  source = fs.readFileSync(path.join(paths.srcs, file)).toString()
  title = source.split("\n")[0].replace(/#/g, '').trim()

  link  = "<a name=\"#{file}\"><hr /></a>"
  docFiles[title] =
    ref: file
    source: [link, md source].join "\n"
locals.docs = _(docFiles).chain().values().map((val)-> val.source).value().join "\n"

# Create a table of contents array
toc = []
for title, docObj of docFiles
  toc.push "<li><a href=\"##{docObj.ref}\">#{title}</a></li>"
locals.toc = "<ul>" + toc.join("\n") + "</ul>"

# Compile the contents of the jade doc files
layout = fs.readFileSync path.join paths.jade, 'index.jade'
compiled = jade.compile layout

# Parse the template with our auto-generated docs and toc, and write it to `index.html`
index = compiled locals
fs.writeFileSync path.join(paths.root, 'index.html'), index