var Router = View.extend({

  routeByHash: false,

  go: function(url){
    this.parseRoute(url)
  },
  
  pushState: function(url){
    if (this.routeByHash) {
      window.location.hash = url
    }
    else if (window.history) {
      window.history.pushState(null, null, url)
    }
  },

  route: function(){
    var path = this.routeByHash ? window.location.hash.substr(0) : window.location.pathname
    path = path || "/"
    this.originalPath = path
    this.parseRoute(path)
  },
  
  parseRoute: function(pathname){
    
    pathname = pathname.replace(/^#/, "")
    
    if (pathname[0] !== "/") { pathname = "/" + pathname }

    var routes = this.routes,
        path = pathname.split("/");

    for (var i = 0; i < path.length; i++) {
      if (! path[i].length) {
        path[i] = null
      }
    }

    if (pathname in routes) {  
      this[this.routes[pathname]]()
      return
    }
    
    if (path[path.length-1] == null) {
      path.pop()
    }

    for (var route in routes) {
      var routePath = route.split("/")
      if (routePath[1] == path[1]) {
        if (routePath[2] && routePath[2].indexOf(":") !== -1 && path[2] && (path[3] === routePath[3]) ) {
          this[this.routes[route]](path[2])
          return
        }
        else if (routePath[2] == path[2]) {
          if (routePath[3] && path[3]) {
            if (routePath[3].indexOf(":") !== -1) {
              this[this.routes[route]](path[3])
              return
            }
            else if (routePath[3] == path[3]) {
              this[this.routes[route]]()
              return
            }
          }
          else if (! routePath[3] && ! path[3]) {
            this[this.routes[route]]()
            return
          }
        }
        else if (! routePath[2] && (! path[2].length || ! path[2])) {
          this[this.routes[route]]()
          return
        }
      }
      else if (routePath[1].indexOf(":") !== -1 && path.length < 3) {
        this[this.routes[route]](path[1])
        return
      }
    }
    // Redirect to root on 404
    window.location = '/'
  }

})