from pylons import request, response, session, tmpl_context as c, url, \

    app_globals as g

from pylons.controllers.util import abort, redirect

from pylons_app.lib.auth import LoginRequired

from pylons_app.lib.base import BaseController, render

from pylons_app.lib.filters import clean_repo

from pylons_app.lib.utils import check_repo, invalidate_cache

from pylons_app.model.hg_model import HgModel

import logging

import os

import shutil

from operator import itemgetter

log = logging.getLogger(__name__)

class ReposController(BaseController):

    """REST Controller styled on the Atom Publishing Protocol"""

    # To properly map this controller, ensure your config/routing.py

    # file has a resource setup:

    #     map.resource('repo', 'repos')

    @LoginRequired()

    def __before__(self):

        c.admin_user = session.get('admin_user')

        c.admin_username = session.get('admin_username')

        super(ReposController, self).__before__()

    def index(self, format='html'):

        """GET /repos: All items in the collection"""

        # url('repos')

        cached_repo_list = HgModel().get_repos()

        return render('admin/repos/repos.html')

    def create(self):

        """POST /repos: Create a new item"""

        # url('repos')

        name = request.POST.get('name')

        try:

            self._create_repo(name)

            #clear our cached list for refresh with new repo

            invalidate_cache('cached_repo_list')

        except Exception as e:

            log.error(e)

        return redirect('repos')

    def _create_repo(self, repo_name):        

        repo_path = os.path.join(g.base_path, repo_name)

        if check_repo(repo_name, g.base_path):

            log.info('creating repo %s in %s', repo_name, repo_path)

            from vcs.backends.hg import MercurialRepository

            MercurialRepository(repo_path, create=True)

    def new(self, format='html'):

        """GET /repos/new: Form to create a new item"""

        new_repo = request.GET.get('repo', '')

        c.new_repo = clean_repo(new_repo)

        return render('admin/repos/repo_add.html')

    def update(self, id):

        """PUT /repos/id: Update an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="PUT" />

        # Or using helpers:

        #    h.form(url('repo', id=ID),

        #           method='put')

        # url('repo', id=ID)

    def delete(self, id):

        """DELETE /repos/id: Delete an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="DELETE" />

        # Or using helpers:

        #    h.form(url('repo', id=ID),

        #           method='delete')

        # url('repo', id=ID)

        from datetime import datetime

        path = g.paths[0][1].replace('*', '')

        rm_path = os.path.join(path, id)

        log.info("Removing %s", rm_path)

        shutil.move(os.path.join(rm_path, '.hg'), os.path.join(rm_path, 'rm__.hg'))

        shutil.move(rm_path, os.path.join(path, 'rm__%s-%s' % (datetime.today(), id)))

        #clear our cached list for refresh with new repo

        invalidate_cache('cached_repo_list')

        return redirect(url('repos'))

    def show(self, id, format='html'):

        """GET /repos/id: Show a specific item"""

        # url('repo', id=ID)

    def edit(self, id, format='html'):

        """GET /repos/id/edit: Form to edit an existing item"""

        # url('edit_repo', id=ID)

        c.new_repo = id

        return render('admin/repos/repo_edit.html')