/-  sur=forum, tp=post
/+  lib=forum, sr=sortug, cons=constants
/=  router  /web/router
|_  [state:sur bowl:gall]
+*  this  .
    rout  ~(. router:router +6)
    state  -.+6
    bowl   +.+6
+$  card  card:agent:gall
++  handle-ui
|=  noun=*  ^-  [(list card) _state]
  =/  poke  (pokes:sur noun)
  ~&  ui-poke=poke
  =.  src  ship.poke
  =/  eyre-id  eyre-id.poke
  |^
  ?-  -.p.poke
    %submit-thread   (handle-thread +.p.poke)
    %submit-comment  (handle-comment +.p.poke)
    %submit-reply    (handle-reply +.p.poke)
    %vote            (handle-vote +.p.poke)
    %del             (handle-del +.p.poke)
  ==
 
  ++  handle-thread  |=  [title=@t url=@t text=@t]
    =/  =content:sur  ?.  .=('' url)  [%link url]  [%text (build-content:lib text)]
    =/  ted  (build-thread:lib title src now content)
    =.  state  (save-ted ted)
    :_  state  :+
      cache-root
      (cache-ted pid.ted)  
      (redirect-ted pid.ted)

    
  ++  handle-comment  |=  [ted=thread:sur text=@t]
    =/  cont  (build-content:lib text) 
    =/  com  (build-comment:lib cont bowl pid.ted pid.ted)
    =.  state  (save-com com ted)
    :_  state  :+
      cache-root
      (cache-ted pid.ted)  
      (redirect-ted pid.ted)
    
  

  ++  handle-reply  |=  [par=comment:tp text=@t]
  =/  cont  (build-content:lib text) 
  =/  ppid  [author.par id.par]
  =/  com  (build-comment:lib cont bowl thread.par ppid)
  =/  ted  (get-thread:lib thread.par state)
  ?~  ted  `state
  =.  state  (save-rep com par)
  :_  state  :*
      cache-root
      (cache-ted pid.u.ted)  
      (cache-com com)
      (cache-com par)
      (redirect-com par)
      ==
  ++  handle-vote  |=  [is-ted=? =pid:tp vote=?]
    ~&  handling-vote=[is-ted pid vote]
    ?:  is-ted  
      (handle-ted-vote pid vote)
      (handle-com-vote pid vote)
  ++  handle-ted-vote  |=  [=pid:tp vote=?]
    =/  votesi=@si  (new:si vote 1)
    =/  uted  (get-thread:lib pid state)
    ?~  uted  `state
    =/  ted  u.uted
    =/  v  votes.ted
    =/  nv  %=  v
      tally  (sum:si tally.v votesi)
      leger  (~(put by leger.v) src.bowl vote)
    ==
    =.  ted  ted(votes nv)
    =.  state  (save-ted ted)
    =.  state  (save-karma ship.pid.ted vote)
    :_  state  :~
      cache-root
      (cache-ted pid.ted)  
      (cache-user ship.pid.ted)
      :: (redirect-ted pid.ted)
    ==
  ++  handle-com-vote  |=  [=pid:tp vote=?]
    =/  votesi=@si  (new:si vote 1)
    =/  ucom  (get-comment:lib pid state)
    ?~  ucom  `state
    =/  com  u.ucom
    =/  v  votes.com
    =/  nv  %=  v
      tally  (sum:si tally.v votesi)
      leger  (~(put by leger.v) src.bowl vote)
    ==
    =.  com  com(votes nv)
    =.  comments  (put:gorm:tp comments pid com)
    =.  state  (save-karma author.com vote)
    :_  state  :~
      cache-root
      (cache-com com)  
      (cache-user author.com)
      :: (redirect-com com)
    ==
    
    
  ::  redirectors
  ++  redirect-root  (redirect:router eyre-id "")
  
  ++  redirect-ted  |=  =pid:tp
    =/  link  (scow:sr %uw (jam pid))
    =/  url  "/ted/{link}"
    (redirect:router eyre-id url)
  ++  redirect-com  |=  com=comment:tp
    =/  link  (scow:sr %uw (jam [author.com id.com]))
    =/  url  "/com/{link}"
    (redirect:router eyre-id url)
  --
  ::  cache builders
  ++  cache-root  (cache-card "")
  ++  cache-ted  |=  =pid:tp
    =/  link  (scow:sr %uw (jam pid))
    =/  url  "/ted/{link}"  
    (cache-card url)
  ++  cache-com  |=  com=comment:tp
    =/  link  (scow:sr %uw (jam [author.com id.com]))
    =/  url  "/com/{link}"  
    (cache-card url)
  ++  cache-threads  ^-  (list card)
    =|  l=(list card)
    ::  threads
    =/  teds  (tap:torm:sur threads)
    =.  l  |-  ?~  teds  l
      =/  ted=thread:sur  +.i.teds
      =/  car  (cache-ted pid.ted)
      $(teds t.teds, l [car l])
    :-  cache-root  l
  ++  cache-user  |=  who=@p  
    =/  p  (scow %p who)
    (cache-card "/usr/{p}")
  ++  cache-static  ^-  (list card)
  :~  (cache-card "/log")
      (cache-card "/add")
      (cache-card "/style.css")
      (cache-card "/imgs/favicon.ico")
      (cache-card "/imgs/favicon-16x16.png")
      (cache-card "/imgs/favicon-32x32.png")
      (cache-card "/site.webmanifest")
  ==
  ++  cache-all  ^-  (list card)
    =|  l=(list card)
    ::  threads
    =/  teds  (tap:torm:sur threads)
    =.  l  |-  ?~  teds  l
      =/  ted=thread:sur  +.i.teds
      =/  car  (cache-ted pid.ted)
      $(teds t.teds, l [car l])
    =/  coms  (tap:gorm:tp comments)
    =.  l  |-  ?~  coms  l
      =/  com=comment:tp  +.i.coms
      =/  car  (cache-com com)
      $(coms t.coms, l [car l])
    :-  cache-root  (weld cache-static l)
  ::  state updaters
  ++  save-ted  |=  ted=thread:sur  
    =.  threads  (put:torm:sur threads pid.ted ted)
    state
  ::  comments to threads
  ++  save-com
  |=  [com=comment:tp ted=thread:sur]
    =/  =pid:tp  [author.com id.com]
    =/  nr  [pid replies.ted]
    =.  ted  ted(replies nr)
    =.  threads  (put:torm:sur threads pid.ted ted)
    =.  comments  (put:gorm:tp comments pid com)
    state
  ::  replies to comments
  ++  save-rep
  |=  [com=comment:tp par=comment:tp]
    =/  =pid:tp  [author.com id.com]
    =.  comments  (put:gorm:tp comments pid com)
    =/  ppid  [author.par id.par]
    =/  nc  (~(put in children.par) pid)
    =.  par  par(children nc)
    =.  comments  (put:gorm:tp comments ppid par)
    state
  ++  wipe-coms
  |=  [ted=pid:tp]
    =/  coms  (tap:gorm:tp comments)
    |-  ?~  coms  comments
      =/  com=comment:tp  +.i.coms
      ?.  .=(ted thread.com)  $(coms t.coms)
      =.  comments  +:(del:gorm:tp comments [author.com id.com])
      $(coms t.coms)
  ++  wipe-reps
  |=  [par=pid:tp]
    =/  coms  (tap:gorm:tp comments)
    |-  ?~  coms  comments
      =/  com=comment:tp  +.i.coms
      ?.  .=(par parent.com)  $(coms t.coms)
      =.  comments  +:(del:gorm:tp comments [author.com id.com])
      $(coms t.coms)
  ++  save-karma  |=  [who=@p vote=?]
    =/  curr  (~(get by karma) who)
    =/  cur  ?~  curr  `@sd`0  u.curr
    =/  votesd  (new:si vote 1)
    =/  new  (sum:si cur votesd)
    =.  karma  (~(put by karma) who new)
    state

  ++  cache-card  |=  path=tape  ^-  card
    =/  pathc  (crip "{base-url:cons}{path}")
    =/  router-path  ?~  path  '/'  pathc
    =/  pl=simple-payload:http  (render:rout router-path)
    =/  entry=cache-entry:eyre  [.n %payload pl]
    [%pass /root %arvo %e %set-response pathc `entry]

 ++  handle-del  |=  [is-ted=? =pid:tp]
    ?:  is-ted  
    =/  ted  (get-thread:lib pid state)
    ?~  ted  `state
    =.  threads  +:(del:torm:sur threads pid)
    =.  comments  (wipe-coms pid)  
    :_  state  :+
      cache-root
      (cache-ted pid)  
      ~
      :: redirect-root
    ::
    =|  l=(list card)
    =/  ucom   (get-comment:lib pid state)
    ?~  ucom  `state  =/  com  u.ucom
    =.  comments  (wipe-reps pid)
    =.  l  [(cache-com com) l]
    
    =/  upar   (get-comment:lib parent.com state)
    ::  delete from child of parent
    =.  comments  ?~  upar  comments
      =/  par  u.upar
      =/  nc  (~(del in children.par) pid)
      =.  par  par(children nc)
      =.  l  [(cache-com par) l]
      (put:gorm:tp comments [author.par id.par] par)
    ::  delete from reply of thread
    =/  uted  (get-thread:lib thread.com state)
    =.  threads  ?~  uted  threads
      =/  ted  u.uted
      =/  nr  %+  skip  replies.ted  |=  rp=pid:tp  .=(rp pid)
      =.  ted  ted(replies nr)
      =.  l  [(cache-ted pid.ted) l]
      (put:torm:sur threads pid.ted ted)
    :_  state  :-
      cache-root
      l
--