mixin toc( item )
  if item.children && item.children.length
    ul
      each ch in item.children.sort(childrenSort)
        unless ch.hide
          li(class=ch.type.replace(' ', '-'),class=ch.superclass ? 'subclass' : '')
            if ch.path
              a.item(href='#'+attrClean(ch.path))
                if ch.name_prefix && ch.name_prefix.replace(/[#.]$/, '') === item.id
                  |.
                span.name=ch.name
                if ch.type === 'constructor' || ch.type === 'instance method' || ch.type === 'class method'
                  | ()
            +toc( ch )

mixin title( item, nosuff )
  if item.type === 'constructor'
    span.constructor=item.id
  else
    span.pfx= item.name_prefix && item.name_prefix.match(/.#/) ? 'this.' : item.name_prefix
    span.name= item.name

  unless nosuff
    if item.type === 'constructor' || item.type === 'instance method' || item.type === 'class method'
      | ()

mixin args( sig )
  -var opt=false
  |(
  if sig.arguments && sig.arguments.length
    span.arguments
      each arg, i in sig.arguments
        if arg.optional
          unless opt
            !='<small class="optional">'
            -opt=true
        else if opt
          !='</small>'
          -opt=false

        =(i === 0 ? '':', ')
        span(class=[arg.types])
          =arg.name
          if arg.callback
            +args( arg )
      if opt
        !='</small>'
  | )

mixin argdesc( sig, item )
  if sig.arguments && sig.arguments.length
    .arguments-desc
      h4.title accepts
      dl
        each arg in sig.arguments
          dt(class=[arg.types])
            =arg.name
            if arg.callback
              +args( arg )

          dd
            if arg.types
              span.types
                | (
                each type,i in arg.types
                  if i !== 0
                    ='|'
                  a(href=getLinkPath(type, item),class=type)=type
                |)
            if arg.optional
              span.optional optional

            if arg.description
              !=md(linkify(arg.description))
            if arg.callback
              p Accepts:
              +argdesc( arg, item )

mixin returns( sig, item )
  if sig.returns && sig.returns.length
    .returns-desc
      h4.title returns
      dl
        each ret in sig.returns
          dt(class=ret.type)
            a(href=getLinkPath(ret.type, item))=ret.type

          if ret.description
            dd
              !=md(linkify(ret.description))

mixin signatures( item )
  if item.signatures
    ul.signatures
      each sig in item.signatures
        li
          div.declaration
            +title( item, true )
            if item.type !== 'constant'
              +args( sig )

            if item.type !== 'constructor' && item.type !== 'constant'
              |; // ->
              span.returns
                - var rets = sig.returns || [{ type: 'void' }]
                each ret, i in rets
                  =(i === 0 ? ' ':' | ')
                  a(href=getLinkPath(ret.type, item),class=ret.type)=ret.type

            if item.type === 'constant'
              =' = '+sig.returns[0].type+';'

          unless item.type === 'constant'
            +argdesc( sig, item )
            +returns( sig, item )


mixin doc( item, level, recurse )
  unless item.hide
    -var level = level || 1
    article.doc(class=item.type.replace(' ', '-'), class=item.superclass? 'subclass' : '')
      header
        !='<h'+level+' class="title">'
        a(id=attrClean(item.path), href='#'+attrClean(item.path))
          +title( item )
        if item.alias_of
          small.aliases
            | alias of:
            span.alias=item.alias_of
        div.flags
          if item.extension
            span.extension
              | extension
          if item.superclass
            span.superclass
              | extends:
              =item.superclass
          if item.deprecated
            span.deprecated
              | deprecated
              span.from=item.deprecated.since
              if item.deprecated.off
                | &mdash;
                span.to=item.deprecated.off
          if item.internal
            span.internal
              | internal use only
        !='</h'+level+'>'

      if item.short_description
        .desc
          !=md(linkify(item.short_description))

      +signatures(item)

      if item.description
        .desc.long
          !=md(linkify(item.description.replace(item.short_description, '')))

      if item.related_to
        | Related to:
        a.related(href='#'+attrClean(getPath(item.related_to)))
          !=item.related_to

      p.file='source: '
        a(href=fileRoot+item.file+'#L'+item.line)=item.file+' : '+item.line

      if recurse !== false && item.children && item.children.length
        .children
          //- sort so that constructors are first
          for ch in item.children.sort(childrenSort)
            +doc(ch, level+1)

doctype html
html
  head
    meta(name='viewport', content='width=device-width', charset='utf-8')

    title= title

    link(href="http://fonts.googleapis.com/css?family=Quattrocento+Sans:400,700" rel="stylesheet",type="text/css")
    link(href="http://wellcaffeinated.net/PhysicsJS/assets/fonts/Caviar-Dreams-fontfacekit/stylesheet.css" rel="stylesheet",type="text/css")
    // Foundation CSS
    //link(rel="stylesheet", href="http://cdnjs.cloudflare.com/ajax/libs/foundation/4.1.6/css/foundation.min.css")

    // Prism CSS
    //link(rel="stylesheet", href="css/prism.css")
    link(rel="stylesheet", href="css/highlight-nearly-solarized.css")

    // Custom Styles
    link(rel="stylesheet", href="css/style.css")

    script(srr="http://cdnjs.cloudflare.com/ajax/libs/foundation/4.1.6/js/vendor/custom.modernizr.js")

  body

    section#main

      nav.toc
        h1.header
            a(href="http://wellcaffeinated.net/PhysicsJS")
                |Physics
                span JS
            !=' API Docs'

        +toc(tree)

      //- get PhysicsJS namespace first
      - var physicsjs = tree.children.filter(function( a ){ return a.id === 'Physics'; })[0]
      +doc(physicsjs)

      //- others
      - var others = tree.children.filter(function( a ){ return a.id !== 'Physics'; });
      each mainItem in others
        +doc(mainItem)

    //- Foundation JS
    //- script(src='http://cdnjs.cloudflare.com/ajax/libs/foundation/3.2.2/javascripts/foundation.min.js')
    script(type='text/javascript', src='http://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js')

    //script(src='http://cdnjs.cloudflare.com/ajax/libs/foundation/4.1.6/js/foundation/foundation.reveal.min.js')

    script(src='js/page.js')
    // Prism js
    //script(src='js/prism.js')