#!/usr/bin/env python
#============================================================================
# This file is part of Pwman3.
#
# Pwman3 is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2
# as published by the Free Software Foundation;
#
# Pwman3 is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Pwman3; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#============================================================================
# Copyright (C) 2012-2014 Oz Nahum <nahumoz@gmail.com>
#============================================================================
from __future__ import print_function
from bottle import route, run, debug, template, request, get, redirect
import os
import sys
import re
import shutil
from pwman import default_config, which
from pwman import parser_options
from pwman.ui import get_ui_platform
from pwman.ui.tools import CLICallback
from pwman.util.crypto import CryptoEngine
import pwman.util.config as config
import pwman.data.factory
from pwman.data.tags import TagNew
from pwman import parser_options, get_conf_options

AUTHENTICATED = False
TAGS = None
DB = None


tmplt = """
%#template to generate a HTML table from a list of tuples (or list of lists, or tuple of tuples or ...)
<form action="/" method="POST">
<select multiple name="tag" onchange="this.form.submit()">
%for tag in tags:
<option value="{{tag}}">{{tag}}</option>
%end
</select>
</form>
<p>Click on username to view the details:</p>
<table border="1">
%for node in nodes:
<tr>
  %#for item in node:
  %# <td><a href={{node._id}}><{{item}}</a></td>
  <td><a href=/node/{{node._id}}>{{node.username}}@{{node.url}}</a></td>
  <td>{{  ', '.join([t.strip() for t in filter(None, node.tags)]) }}</td>
  <td>edit</td>
  %end
  </tr>
%end
</table>
"""

edit_node_tmplt = """
<form action="/edit/{{node._id}}" method="POST">
Username: <input type="text" name="username" value="{{node.username}}"><br>
Password: <input type="password" name="password" value="{{node.password}}"><br>
Repeat Password: <input type="password" name="password" value="{{node.password}}"><br>
Notes: <input type="text" name="notes"><br>
Tags: <input type="text" name="tags"><br>
 <input type="submit" value="Save edits">
</form>
"""

login = """
<p>Please enter your database password: <b>
<form action="/auth" method="POST">
Password: <input type="password" name="pwd">
</form>"""


@route('/node/:no')
def view_node(no):
    global DB
    node = DB.getnodes([no])
    tmplt = """
    <table border="1">
    <tr><td>Username:</td> <td>{{ node.username }}</td></tr>
    <tr><td>Password:</td> <td>{{ node.password }}</td></tr>
    <tr><td>Url:</td> <td>{{node.url}} </td></tr>
    <tr><td>Notes:</td> <td>{{node.notes}}</td></tr>
    <tr><td>Tags:</td> <td>{{node.tags}}</td></tr>
    </table>
    """
    output = template(tmplt, node=node[0])
    return output


@route('/new', method=['GET', 'POST'])
def new():
    pass


@route('/edit/:no', method=['GET', 'POST'])
def edit_node(no):
    global DB
    node = DB.getnodes([no])[0]
    output = template(edit_node_tmplt, node=node)
    return output


@route('/auth', method=['GET', 'POST'])
def is_authenticated():

    global AUTHENTICATED
    crypto = CryptoEngine.get()

    if request.method == 'POST':
        key = request.POST.get('pwd', '')
        crypto.auth(key)
        AUTHENTICATED = True
        redirect('/')
    else:
        return login

@route('/', method=['GET', 'POST'])
def listnodes():

    global AUTHENTICATED, TAGS, DB

    _filter = None
    OSX = False
    args = parser_options().parse_args()
    xselpath, dbtype = get_conf_options(args, OSX)
    dbver = 0.4
    DB = pwman.data.factory.create(dbtype, dbver)
    DB.open()

    crypto = CryptoEngine.get()

    if not AUTHENTICATED:
        redirect('/auth')

    if 'POST' in request.method:
        _filter = request.POST.get('tag')
        if _filter:
            DB._filtertags = [TagNew(_filter.strip())]
        if _filter == 'None':
            DB._filtertags = []

    nodeids = DB.listnodes()
    nodes = DB.getnodes(nodeids)

    nodesd = [''] * len(nodes)
    for idx, node in enumerate(nodes):
        ntags = [t.strip() for t in filter(None, node.tags)]
        nodesd[idx] = ('@'.join((node.username, node.url)),
                       ', '.join(ntags))

    if not TAGS:
        TAGS = list(set([''.join(node.tags).strip() for node in nodes]))
        TAGS.sort()
        TAGS.insert(0, 'None')
        print(len(TAGS))
    output = template(tmplt, nodes=nodes, tags=TAGS)
    return output

debug(True)
run(reloader=True)