#!/usr/bin/env ruby

# starts a sinatra based web server that provides an interface to 
# your ticgit tickets
# 
# some of the sinatra code borrowed from sr's git-wiki
#
# author : Scott Chacon (schacon@gmail.com)
#

# Add the library from the source tree to the front of the load path.
# This allows ticgitweb to run without first installing a ticgit gem,
# which is important when testing multiple branches of development.
$LOAD_PATH.unshift File.join(File.dirname(__FILE__), '..', 'lib')

%w(sinatra git ticgit-ng haml sass).each do |dependency|
  begin
    require dependency
  rescue LoadError => e
    puts "You need to install #{dependency} before we can proceed"
  end
end

#This line is required to resolve this issue
#https://github.com/jeffWelling/ticgit/issues/22
enable :run

# !! TODO : if ARGV[1] is a path to a git repo, use that
# otherwise, look in ~/.ticgit

$ticgit = TicGitNG.open('.')

get('/_stylesheet.css') { Sass::Engine.new(File.read(__FILE__).gsub(/.*__END__/m, '')).render }

# ticket list view
get '/' do
  @tickets = $ticgit.ticket_list(:order => 'date.desc')
  haml(list('all'))
end

get '/fs/:state' do
  @tickets = $ticgit.ticket_list(:state => params[:state], :order => 'date.desc')
  haml(list(params[:state]))
end

get '/tag/:tag' do
  @tickets = $ticgit.ticket_list(:tag => params[:tag], :order => 'date.desc')
  haml(list(params[:tag]))
end

get '/sv/:saved_view' do
  @tickets = $ticgit.ticket_list(:saved => params[:saved_view])
  haml(list(params[:saved_view]))
end

# ticket single view
get '/ticket/:ticket' do
  @ticket = $ticgit.ticket_show(params[:ticket])
  haml(show)
end


# add ticket
get '/t/new' do
  haml(new_ticket)
end

# add ticket finalize
post '/t/new' do
  title = params[:title].to_s.strip
  if title.size > 1
    tags = params[:tags].split(',').map { |t| t.strip } rescue nil  
    t = $ticgit.ticket_new(title, {:comment => params[:comment].strip, :tags => tags})
    redirect '/ticket/' + t.ticket_id.to_s
  else
    redirect '/t/new'
  end
end


# add comment
post '/a/add_comment/:ticket' do
  t = $ticgit.ticket_comment(params[:comment], params[:ticket])
  redirect '/ticket/' + params[:ticket]
end

# add tag
post '/a/add_tags/:ticket' do
  t = $ticgit.ticket_tag(params[:tags], params[:ticket])
  redirect '/ticket/' + params[:ticket]
end

# change ticket state
get '/a/change_state/:ticket/:state' do
  $ticgit.ticket_change(params[:state], params[:ticket])
  redirect '/ticket/' + params[:ticket]
end


def layout(title, content)
  @saved = $ticgit.config['list_options'].keys rescue []
  %Q(
%html
  %head
    %title #{title}
    %link{:rel => 'stylesheet', :href => '/_stylesheet.css', :type => 'text/css', :media => 'screen'}
    %meta{'http-equiv' => 'Content-Type', :content => 'text/html; charset=utf-8'}

  %body
    #navigation
      %a{:href => '/'} All
      %a{:href => '/fs/open'} Open
      %a{:href => '/fs/resolved'} Resolved
      %a{:href => '/fs/hold'} Hold
      %a{:href => '/fs/invalid'} Invalid
      - if !@saved.empty?
        | Saved:
        - @saved.each do |s|
          %a{:href => "/sv/\#{s}"}= s
    #action
      %a{:href => '/t/new'} New Ticket

    #{content}
  )
end

def new_ticket
  layout('New Ticket', %q{
    %h1 Create a New Ticket
    %form{:action => '/t/new', :method => 'POST'}
      %table
        %tr
          %th Title
          %td 
            %input{:type => 'text', :name => 'title', :size => 30}
        %tr
          %th Tags
          %td
            %input{:name => 'tags', :size => 30}
            %small (comma delimited)
        %tr
          %th Comment
          %td 
            %textarea{:name => 'comment', :rows => 15, :cols => 30}
        %tr
          %td
          %td
            %input{:type => 'submit', :value => 'Create Ticket'}
  })
end

def list(title = 'all')
  @title = title
  layout(title + ' tickets', %q{
    %h1= "#{@title} tickets"
    - if @tickets.empty?
      %p No tickets found.
    - else
      %table.long
        - c = 'even'
        - @tickets.each do |t|
          %tr{:class => (c == 'even' ? c = 'odd' : c = 'even') }
            %td
              %a{:href => "/ticket/#{t.ticket_id}" }
                %code= t.ticket_id[0,6]
            %td&= t.title
            %td{:class => t.state}= t.state
            %td= t.opened.strftime("%m/%d")
            %td= t.assigned_name
            %td
              - t.tags.each do |tag|
                %a{:href => "/tag/#{tag}"}= tag
  })
end

def show
  layout('ticket', %q{
  %center
    %h1&= @ticket.title
  
    %form{:action => "/a/add_tags/#{@ticket.ticket_id}", :method => 'POST'}
      %table
        %tr
          %th TicId
          %td
            %code= @ticket.ticket_id
        %tr
          %th Assigned
          %td= @ticket.assigned
        %tr
          %th Opened
          %td= @ticket.opened
        %tr
          %th State
          %td{:class => @ticket.state}
            %table{:width => '300'}
              %tr
                %td{:width=>'90%'}= @ticket.state
                - $ticgit.tic_states.select { |s| s != @ticket.state}.each do |st|
                  %td{:class => st}
                    %a{:href => "/a/change_state/#{@ticket.ticket_id}/#{st}"}= st[0,2]
        %tr
          %th Tags
          %td
            - @ticket.tags.each do |t|
              %a{:href => "/tag/#{t}"}= t
            %div.addtag
              %input{:name => 'tags'}
              %input{:type => 'submit', :value => 'add tag'}
    
    %h3 Comments
    %form{:action => "/a/add_comment/#{@ticket.ticket_id}", :method => 'POST'}
      %div
        %textarea{:name => 'comment', :cols => 50}
        %br
        %input{:type => 'submit', :value => 'add comment'}
        
    %div.comments
      - @ticket.comments.reverse.each do |t|
        %div.comment
          %span.head
            Added
            = t.added.strftime("%m/%d %H:%M")
            by
            = t.user
          %div.comment-text
            = t.comment
        %br
  })
end

__END__
body
  :font
    family: Verdana, Arial, "Bitstream Vera Sans", Helvetica, sans-serif
    color: black
  line-height: 160%
  background-color: white
  margin: 2em

#navigation
  a
    background-color: #e0e0e0
    color: black
    text-decoration: none
    padding: 2px
  padding: 5px
  border-bottom: 1px black solid
  
#action
  text-align: right
  
.addtag
  padding: 5px 0
  
h1
  display: block
  padding-bottom: 5px

a
  color: black
a.exists
  font-weight: bold
a.unknown
  font-style: italic

.comments
  margin: 10px 20px
  .comment
    .head
      background: #eee
      padding: 4px
    .comment-text
      padding: 10px
      color: #333
  
table.long
  width: 100%
  
table
  tr.even
    td
      background: #eee
  tr.odd
    td
      background: #fff
      
table
  tr
    th
      text-align: left
      padding: 3px
      vertical-align: top
    td.open
      background: #ada
    td.resolved
      background: #abd
    td.hold
      background: #dda
    td.invalid
      background: #aaa  
      
.submit
  font-size: large
  font-weight: bold

.page_title
  font-size: xx-large

.edit_link
  color: black
  font-size: 14px
  font-weight: bold
  background-color: #e0e0e0
  font-variant: small-caps
  text-decoration: none