#!/usr/bin/ruby -w

require 'dbi'
require 'pp'
require 'cgi'

puts "Content-type: text/html\n\n"

RELEASE_RESTRICT = [
  ['squeeze', 'squeeze', 'id in (select id from bugs_rt_affects_testing)'],
  ['sid', 'sid', 'id in (select id from bugs_rt_affects_unstable)'],
  ['squeeze_and_sid', 'squeeze and sid', 'id in (select id from bugs_rt_affects_testing) and id in (select id from bugs_rt_affects_unstable)'],
  ['squeeze_or_sid', 'squeeze or sid', 'id in (select id from bugs_rt_affects_testing union select id from bugs_rt_affects_unstable)'],
  ['squeeze_not_sid', 'squeeze, not sid', 'id in (select id from bugs_rt_affects_testing) and id not in (select id from bugs_rt_affects_unstable)'],
  ['sid_not_squeeze', 'sid, not squeeze', 'id in (select id from bugs_rt_affects_unstable) and id not in (select id from bugs_rt_affects_testing)'],
  ['lenny', 'lenny', 'id in (select id from bugs_rt_affects_stable)'],
]

FILTERS = [
 ['patch', 'tagged patch', 'id in (select id from bugs_tags where tag=\'patch\')'],
 ['pending', 'tagged pending', 'id in (select id from bugs_tags where tag=\'pending\')'],
 ['security', 'tagged security', 'id in (select id from bugs_tags where tag=\'security\')'],
 ['notmain', 'packages not in main', 'id not in (select id from bugs_packages, sources where bugs_packages.source = sources.source and component=\'main\')'],
 ['notsqueeze', 'packages not in squeeze', 'id not in (select id from bugs_packages, sources where bugs_packages.source = sources.source and release=\'squeeze\')'],
 ['merged', 'merged bugs', 'id in (select id from bugs_merged_with where id > merged_with)'],
 ['done', 'marked as done', 'status = \'done\''],
 ['outdatedsqueeze', 'outdated binaries in squeeze', "source in (select distinct p1.source from packages_summary p1, packages_summary p2 where p1.source = p2.source and p1.release='squeeze' and p2.release='squeeze' and p1.source_version != p2.source_version)"],
 ['outdatedsid', 'outdated binaries in sid', "source in (select distinct p1.source from packages_summary p1, packages_summary p2 where p1.source = p2.source and p1.release='sid' and p2.release='sid' and p1.source_version != p2.source_version)"],
 ['needmig', 'different versions in squeeze and sid', "source in (select s1.source from sources s1, sources s2 where s1.source = s2.source and s1.release = 'squeeze' and s2.release='sid' and s1.version != s2.version)"],
 ['newerubuntu', 'newer in Ubuntu than in sid', "source in (select s1.source from sources_uniq s1, ubuntu_sources s2 where s1.source = s2.source and s1.release = 'sid' and s2.release='maverick' and s1.version < s2.version)"],
]

TYPES = [
  ['rc', 'release-critical bugs', 'severity >= \'serious\'', true ],
  ['ipv6', 'release goal: IPv6 support', 'id in (select id from bugs_tags where tag=\'ipv6\')', false ],
  ['lfs', 'release goal: Large File Support', 'id in (select id from bugs_tags where tag=\'lfs\')', false ],
  ['boot', 'release goal: boot performance (init.d dependencies)', 'id in (select id from bugs_usertags where email = \'initscripts-ng-devel@lists.alioth.debian.org\')', false],
  ['oldgnome', 'release goal: remove obsolete GNOME libraries', 'id in (select id from bugs_usertags where email = \'pkg-gnome-maintainers@lists.alioth.debian.org\' and tag=\'oldlibs\')', false],
]

SORTS = [
  ['id', 'bug#'],
  ['source', 'source package'],
  ['package', 'binary package'],
  ['last_modified', 'last modified'],
  ['popcon', 'popularity contest'],
]

COLUMNS = [
  ['cpopcon', 'popularity contest'],
  ['chints', 'release team hints'],
]

cgi = CGI::new
# releases
if RELEASE_RESTRICT.map { |r| r[0] }.include?(cgi.params['release'][0])
  release = cgi.params['release'][0]
else
  release = 'squeeze'
end
# columns
cols = {}
COLUMNS.map { |r| r[0] }.each do |r|
  if cgi.params[r][0]
    cols[r] = true
  else
    cols[r] = false
  end
end
# sorts
if SORTS.map { |r| r[0] }.include?(cgi.params['sortby'][0])
  sortby = cgi.params['sortby'][0]
else
  sortby = 'id'
end
if ['asc', 'desc'].include?(cgi.params['sorto'][0])
  sorto = cgi.params['sorto'][0]
else
  sorto = 'asc'
end
# hack to enable popcon column if sortby = popcon
if sortby == 'popcon'
  cols['cpopcon'] = true
end
# filters
filters = {}
FILTERS.map { |r| r[0] }.each do |e|
  if ['', 'only', 'ign'].include?(cgi.params[e][0])
    filters[e] = cgi.params[e][0]
  else
    filters[e] = (e == 'merged' ? 'ign' : '')
  end
end
# filter: newer than X days
if ['', 'only', 'ign'].include?(cgi.params['fnewer'][0])
  fnewer = cgi.params['fnewer'][0]
else
  fnewer = ''
end
if cgi.params['fnewerval'][0] =~ /^[0-9]+$/
  fnewerval = cgi.params['fnewerval'][0].to_i
else
  fnewerval = 7
end
# types
types = {}
TYPES.each do |t|
  if cgi.params == {}
    types[t[0]] = t[3]
  else
    if cgi.params[t[0]][0] == '1'
      types[t[0]] = true
    else
      types[t[0]] = false
    end
  end
end

puts <<-EOF
<html>
<head>
<style type="text/css">

  body {
    font-family : "DejaVu Sans", "Bitstream Vera Sans", sans-serif;"
  }

  table.buglist td, table.buglist th {
    border: 1px solid gray;
    padding-left: 3px;
    padding-right: 3px;
  }
  table.buglist tr:hover  {
    background-color: #ccc;
  }
  table {
    border-collapse: collapse;
  }

div#body {
  border-top: 2px solid #d70751;
}

div.footer {
    padding: 0.3em 0;
    background-color: #fff;
    text-align: center;
    border-top: 2px solid #d70751;
    margin: 0 0 0 0;
    border-bottom: 0;
    font-size: 85%;
}
</style>
<title>Debian Bugs Search @ UDD</title>
</head>
<body>
<h1 style="margin-bottom : 5px"><img src="http://qa.debian.org/debian.png" alt="Debian logo" width="188" height="52" style="vertical-align : -13px; ">Bugs Search <span style="color :#c70036">@</span> UDD</h1>
<div id="body">

<form action="bugs.cgi" method="get">
<p><b>Bugs affecting:</b>
EOF

RELEASE_RESTRICT.each do |r|
  checked = (release == r[0] ? 'CHECKED=\'1\'':'')
  puts "<input type='radio' name='release' value='#{r[0]}' #{checked}/>#{r[1]}&nbsp;&nbsp;"
end
puts <<-EOF
<br/>(also uses release tags and xxx-ignore information)</p>
<table class="invisible"><tr><td>
<table class="buglist">
<tr><th colspan='4'>FILTERS</th></tr>
<tr><th>not considered</th><th>only</th><th>ignore</th><th>type</th></tr>
EOF
FILTERS.each do |r|
  puts <<-EOF
  <tr>
  <td style='text-align: center;'><input type='radio' name='#{r[0]}' value='' #{filters[r[0]]==''?'CHECKED=\'1\'':''}/></td>
  <td style='text-align: center;'><input type='radio' name='#{r[0]}' value='only' #{filters[r[0]]=='only'?'CHECKED=\'1\'':''}/></td>
  <td style='text-align: center;'><input type='radio' name='#{r[0]}' value='ign' #{filters[r[0]]=='ign'?'CHECKED=\'1\'':''}/></td>
  <td>#{r[1]}</td>
  </tr>
  EOF
end
# newer than
puts <<-EOF
  <tr>
  <td style='text-align: center;'><input type='radio' name='fnewer' value='' #{fnewer==''?'CHECKED=\'1\'':''}/></td>
  <td style='text-align: center;'><input type='radio' name='fnewer' value='only' #{fnewer=='only'?'CHECKED=\'1\'':''}/></td>
  <td style='text-align: center;'><input type='radio' name='fnewer' value='ign' #{fnewer=='ign'?'CHECKED=\'1\'':''}/></td>
  <td>newer than <input type='text' size='3' name='fnewerval' value='#{fnewerval}'/> days</td>
  </tr>
EOF
puts "</table></td><td style='padding-left: 20px'><table class='buglist'>"
puts "<tr><th colspan='2'>Bug types</th></tr>"
TYPES.each do |t|
  checked = types[t[0]]?" checked='1'":""
  puts "<tr><td><input type='checkbox' name='#{t[0]}' value='1'#{checked}/></td><td>#{t[1]}</td></tr>"
end
puts "</table></td></tr></table>"
puts "<p><b>Sort by:</b> "
SORTS.each do |r|
  checked = (sortby == r[0] ? 'CHECKED=\'1\'':'')
  puts "<input type='radio' name='sortby' value='#{r[0]}' #{checked}/>#{r[1]}&nbsp;&nbsp;"
end
puts "<b> -- </b>"
[['asc', 'increasing'],[ 'desc', 'decreasing']].each do |r|
  checked = (sorto == r[0] ? 'CHECKED=\'1\'':'')
  puts "<input type='radio' name='sorto' value='#{r[0]}' #{checked}/>#{r[1]}&nbsp;&nbsp;"
end
puts "<br/>\n<b>Additional columns:</b> "
COLUMNS.each do |r|
  checked = cols[r[0]] ? 'checked':''
  puts "<input type='checkbox' name='#{r[0]}' value='1' #{checked}/>#{r[1]}&nbsp;&nbsp;"
end
puts <<-EOF
<br/>\n<input type='submit' value='Search'/></p>
</form>
EOF
if cgi.params != {}

# Generate and execute query
tstart = Time::now
dbh = DBI::connect('DBI:Pg:dbname=udd;port=5441;host=localhost', 'guest')
if cols['cpopcon']
  q = "select id, bugs.package, bugs.source, title, last_modified, coalesce(popcon_src.insts, 0) as popcon\nfrom bugs left join popcon_src on (bugs.source = popcon_src.source) \n"
else
  q = "select id, bugs.package, bugs.source, title, last_modified from bugs \n"
end
q += "where #{RELEASE_RESTRICT.select { |r| r[0] == release }[0][2]} \n"
FILTERS.each do |f|
  if filters[f[0]] == 'only'
    q += "and #{f[2]} \n"
  elsif filters[f[0]] == 'ign'
    q += "and not (#{f[2]}) \n"
  end
end
if fnewer == 'only'
  q += "and (current_timestamp - interval '#{fnewerval} days' <= arrival) \n"
elsif fnewer == 'ign'
  q += "and (current_timestamp - interval '#{fnewerval} days' > arrival) \n"
end
q2 = TYPES.select { |t| types[t[0]] }.map { |t| t[2] }.join("\n OR ")
if q2 != ""
  q += "AND (#{q2})\n"
else
  puts "<p><b>Must select at least one bug type!</b></p>"
  q += "AND FALSE\n"
end
q += "order by #{sortby} #{sorto}"
sth = dbh.prepare(q)
sth.execute
rows = sth.fetch_all

if cols['chints']
  sthh = dbh.prepare("select distinct source, type, argument, version, file, comment from relevant_hints order by type")
  sthh.execute
  rowsh = sthh.fetch_all
  hints = {}
  rowsh.each do |r|
    hints[r['source']] ||= []
    hints[r['source']] << r
  end
end

puts "<p><b>#{rows.length} bugs found.</b></p>"
puts '<table class="buglist">'
puts '<tr><th>bug#</th><th>package</th><th>title</th>'
if cols['cpopcon']
  puts '<th>popcon</th>'
end
if cols['chints']
  puts '<th>hints</th>'
end
puts '<th>last&nbsp;modified</th></tr>'

def genhints(source, hints)
  return '' if hints.nil?
  s = ''
  hints.each do |h|
    v = h['version'] ? h['version'] + ' ' : ''
    t = h['type'] == 'age-days' ? "age/#{h['argument']}" : h['type']
    s += "<a href=\"http://release.debian.org/britney/hints/#{h['file']}\" title=\"#{v}#{h['file']} #{h['comment']}\">#{t}</a> "
  end
  s
end

rows.each do |r|
  puts "<tr><td style='text-align: center;'><a href=\"http://bugs.debian.org/#{r['id']}\">##{r['id']}</a></td>"
  puts "<td style='text-align: center;'>"
  srcs = r['source'].split(/,\s*/)
  bins = r['package'].split(/,\s*/)
  puts (0...bins.length).map { |i| "<a href=\"http://packages.qa.debian.org/#{srcs[i]}\">#{bins[i]}</a>" }.join(', ')
  puts "</td>"
  puts "<td>#{CGI::escapeHTML(r['title'])}</td>"
  if cols['cpopcon']
    puts "<td>#{r['popcon']}</td>"
  end
  if cols['chints']
    puts "<td>#{genhints(r['source'], hints[r['source']])}</td>"
  end
  puts "<td style='text-align: center;'>#{r['last_modified'].to_date}</td></tr>"
end

puts "</table>"
sth2 = dbh.prepare("select max(start_time) from timestamps where source = 'bugs' and command = 'run'")
sth2.execute ; r2 = sth2.fetch_all
puts "<p><b>Generated in #{Time::now - tstart} seconds. Last data update: #{r2[0][0]}"
puts " (%.1f hours ago)</b></p>" % ((Time::now - r2[0][0].to_time) / 3600)
puts "<pre>#{q}</pre>"
end # if cgi.params != {}
puts <<-EOF
</div>
<div class="footer">
<small>Suggestions / comments / patches to lucas@debian.org. <a href="http://svn.debian.org/wsvn/collab-qa/udd/web/cgi-bin/bugs.cgi">source code</a>.</small>
</div>
</body>
</html>
EOF