from trac import util
from trac.core import *
from trac.web.chrome import add_stylesheet, INavigationContributor
from trac.web.main import IRequestHandler

from trac.util import Markup

import os, time

class FilePlugin(Component):
    """A plugin to display released downloads"""
    implements(INavigationContributor, IRequestHandler)

    file_cs = """
<?cs include "header.cs"?>
<?cs include "rectang_menu_top.cs"?>
<div id="ctxtnav" class="nav">
 <h2>Files Navigation</h2>
 <ul>
  <li class="first last"><a href="<?cs
    var:file.baseLink ?>"><?cs var:title ?></a></li>
 </ul>
<?cs include "rectang_menu_bottom.cs"?>
</div>
<div id="content" class="main">
<h1><?cs var:title ?></h1>
<?cs each:category = files.categories ?>
 <h2><?cs var:category.name ?><?cs if:category.name == nightly ?>
  (<?cs var:category.time?>)<?cs /if ?></h2>

 <table class="listing" id="dirlist">
  <thead>
   <tr>
    <th class="name">Name</th>
    <th class="size">Size</th>
    <th class="date">Date</th>
   </tr>
  </thead>
  <tbody>
   <?cs each:file = category.files ?>
    <tr class="<?cs if:name(file) % #2 ?>even<?cs else ?>odd<?cs /if ?>">
     <td class="name"><a class="file" href="<?cs var:file.url ?>"><?cs var:file.name ?></a></td>
     <td class="size"><?cs var:file.size ?></td>
     <td class="age"><?cs var:file.time ?></td>
    </tr>
   <?cs /each?>
  </tbody>
 </table>

<?cs /each ?>
</div>
<?cs include "footer.cs"?>
""" # file_cs


    # INavigationContributor methods
    def get_active_navigation_item(self, req):
        return 'downloads'
    def get_navigation_items(self, req):
        yield 'mainnav', 'downloads', Markup('<a href="%s">Downloads</a>' % self.env.href.downloads())
# IRequestHandler methods
    def match_request(self, req):
        import re
        match = re.match(r'/downloads(.*)$', req.path_info)
        if match:
            return 1

    def listcategories(self, root, sort, order=None):
        files = []
        names = os.listdir(root)
        if (sort):
            names.sort()
            if (order == "rev" or order == "reverse"):
                names.reverse()

        for file in names:
            if os.path.isdir(os.path.join(root, file)):
                files.append(file)
        return files

    def listfiles(self, root, category, sort, order=None):
        files = []
        names = os.listdir(os.path.join(root, category))
        if (sort):
            if (order == "age"):
                names.sort(lambda x, y: os.path.getmtime(os.sep.join([root, category, x])) - os.path.getmtime(os.sep.join([root, category, y])))
                names.reverse()
            else:
                names.sort()

        for file in names:
            files.append(file)
        return files

    def timestamp(self, path):
        thetime = os.path.getmtime(path)
        return time.strftime('%x %X', time.localtime(thetime))

    def process_request(self, req):
        req.hdf['title'] = self.config.get('download', 'title') or "Downloads"
        req.hdf['nightly'] = self.config.get('download', 'nightly') or "nightly"
        req.hdf['files.baseLink'] = self.env.href.cruisecontrol()

        path = self.config.get('download', 'path') + '/'
        baseurl = self.config.get('download', 'url') + '/'
        sort = self.config.get('download', 'sort') == 'true'
        catorder = self.config.get('download', 'category-order')
        order = self.config.get('download', 'file-order')
        categories = self.listcategories(path, sort, order=catorder)
        list = []
        for category in categories:
            files = []
            for file in self.listfiles(path, category, sort, order=order):
                url = baseurl + category + '/' + file
                filename = os.path.join(path, category, file)
                files.append({'name': file,
                              'time': self.timestamp(filename),
                              'size': util.pretty_size(os.path.getsize(filename)),
                              'url': url})
            list.append({'name': category,
                         'time': self.timestamp(os.path.join(path, category)),
                         'files': files})
        req.hdf['files.categories'] = list
        template = req.hdf.parse(self.file_cs)
        add_stylesheet(req, 'common/css/browser.css')
        return template, None