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/-  sur=neyre, coki
/+  server, metamask, sr=sortug, cokil=coki
/=  login-page  /web/login
/=  index-page  /web/index
/=  sigil-html  /web/sigil/sigil

=+  base-path=`path`/coki
|_  [=bowl:gall eyre-id=@ta req=inbound-request:eyre state=versioned-state:sur =sessions:coki]  

+*  cokilib  ~(. cokil [sessions bowl])
    metalib  ~(. metamask [sessions bowl])

++  get-file-at
  |=  [base=path file=path ext=@ta]
  ^-  (unit octs)
  =/  =path
    :*  (scot %p our.bowl)
        q.byk.bowl
        (scot %da now.bowl)
        (snoc (weld base file) ext)
    ==
  ?.  .^(? %cu path)  ~
  %-  some
  %-  as-octs:mimes:html
  .^(@ %cx path)


  ++  serve-json  |=  jon=json
    (send-response (json-response:gen:server jon))
++  serve-error  |=  [status=@ud msg=@t]
  =/  octs  (as-octs:mimes:html msg)
  =/  headers=header-list:http   [['content-type' 'text/plain'] ~]
  =/  sp=simple-payload:http     [[status headers] `octs]
  (send-response sp)


++  ebail
  ^-  (list card:agent:gall)
  (send-response pbail)
++  egive
  |=  pl=simple-payload:http
  ^-  (list card:agent:gall)
  (send-response pl)
++  pbail
  %-  html-response:gen:server
  %-  manx-to-octs:server
      manx-bail
++  manx-bail  ^-  manx  ;div:"404"
++  manx-payload
  |=  =manx
  ^-  simple-payload:http
  %-  html-response:gen:server
  %-  manx-to-octs:server  manx

++  send-response
  |=  =simple-payload:http
  %+  give-simple-payload:app:server  eyre-id  simple-payload  
  
++  validate-coki
  =/  coki  (get-header:http 'cookie' header-list.request.req)
  ?~  coki  ~
  (validate-coki:cokilib u.coki)

++  login-ajax  |=  base-slug=@tas  
  =/  referer  (get-header:http 'referer' header-list.request.req)
  ~&  referer=referer
  ?~  referer  .n
  =/  parsed=(unit purl:eyre)  (rush u.referer link:parsing:sr)
  ?~  parsed  .n
  =/  =path  q.q.u.parsed
  ~&    login-ajax=path
  ?~  path  .n
  =/  hd  i.path  =/  tl  t.path
  ~&  >>  [slug=base-slug hd tl]
  =/  same-base  .=(i.path base-slug)
      ?&  same-base  ?=([%login ~] tl)  ==
    
++  route  ^-  (list card:agent:gall)
  =.  base-path  ?:  ?=([%coki ~] base-path)  /[dap.bowl]  base-path
  =/  bpath  (spat base-path)

  =/  base-slug  =/  bp  `(list @t)`base-path  ?~  bp  dap.bowl  i.bp
  =/  subpaths  /[base-slug]
  =/  rl  (parse-request-line:server url.request.req)
  =.  site.rl  ?~  site.rl  site.rl  ?:  .=(base-slug i.site.rl)  t.site.rl  site.rl
  =/  pat=(pole knot)  site.rl
  ~&  >  pat=pat
  ~&  [url.request.req base-path base-slug bpath pat subpaths src.bowl]

  |^
  ?:  ?=([%login ~] pat)       serve-login-page
  ?:  (login-ajax base-slug)   serve-unauthed
    =/  muser  validate-coki
    ~&  >>>  muser=muser
    ?~  muser  (redirect (weld subpaths /login))
    =.  src.bowl  u.muser
    serve-authed

  ++  serve-authed
    ?+  pat  ebail  
      [%logout *]         (logout:cokilib eyre-id (need (get-header:http 'cookie' header-list.request.req)) bpath)
      :: [~]                 serve-root
       ~                 serve-root
      :: [site=@t *]                 (send-response (handle-get-request header-list.request.req rl))
      :: 
      [%poke *]         ~&  >>  bowl=bowl  (redirect base-path)
    ==
  ++  serve-unauthed
  ?+  pat  ebail
      [%sigil point=@ ~]     (serve-sigil point.pat)
      [%metamask *]          (serve-metamask-challenge:metalib eyre-id)
      [%auth *]
        =/  res  (process-metamask-auth:metalib eyre-id body.request.req bpath base-slug)
        ?-  -.res  %&  +.res  %|  (serve-error +.res)  ==

    ==
  ++  redirect  |=  =path
    (send-response (redirect:gen:server (spat path)))
  ++  serve-root
    (send-response (manx-payload (index-page bowl (trip base-slug))))

  ++  serve-login-page
     (send-response (manx-payload (login-page bowl (trip base-slug) (trip (spat base-path)))))

  ++  handle-get-request
    |=  [headers=header-list:http request-line:server]
    ^-  simple-payload:http
    ?~  ext  $(ext `%html, site [%index ~])
    =/  pat  `(pole knot)`site
    ?:  ?&(?=([slug=@t *] pat) .=(slug.pat base-slug))  $(site +.site)
    ::  serve dynamic session.js
    ::
    ?:  =([/session `%js] [site ext])
      %-  js-response:gen:server
      %-  as-octt:mimes:html
      """
      window.ship = '{(scow %p src.bowl)}';
      """
      =/  file=(unit octs)
        (get-file-at /web site u.ext)
      ?~  file  ~&  "file not found"  not-found:gen:server
      ?+  u.ext  not-found:gen:server
        %html  (html-response:gen:server u.file)
        %js    (js-response:gen:server u.file)
        %css   (css-response:gen:server u.file)
        %png   (png-response:gen:server u.file)
        %woff  (woff-response:gen:server u.file)
        %woff2  (woff2-response:gen:server u.file)
      ==

    
  --
::
++  serve-sigil  |=  param=@t
  =/  sip  (slaw:parsing:sr %ud param)
  ?~  sip  ebail
  =/  sigil-div  (sigil-html u.sip)
  (send-response (manx-payload sigil-div))


++  eyre-binding-card  |=  =path
  ~&  >>  adding-binding=[path dap.bowl]
  [%pass /eyre/connect %arvo %e %connect [~ path] dap.bowl]  

--