##  Wiki80 is a semantic information network, designed to be used both
##  by carbon- and silicon-based life.
##  Copyright (C) 2018  Davis Remmel <d@visr.me>
##
##  This program is free software: you can redistribute it and/or modify
##  it under the terms of the GNU General Public License as published by
##  the Free Software Foundation, either version 3 of the License, or
##  (at your option) any later version.
##
##  This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.


# This file contains all the routes for our application. This will tell Flask what to display on which path.

from flask import render_template, request, redirect
from app import app
from app import models

graph = models.Graph()

# This would be a very appropriate place to load the graph from a file
# on disk.

# The following functions return if they are successful! THIS NEEDS
# to have a check!!
graph.edit_instance({
    '.id': [ 'id_2' ],
    '.type': [ 'device' ],
    '.title': [ 'Lenovo X1' ],
    '.wiki_body': [ '' ],
    'serial': [ '1' ],
    '.link': [ '@id_1' ]})
graph.edit_instance({
    '.id': [ 'id_3' ],
    '.type': [ 'device' ],
    '.title': [ 'iPhone 5S' ],
    '.wiki_body': [ 'The iPhone is different than the Newton.' ],
    'serial': [ '2' ],
    '.link': [ '@id_1' ]})
graph.edit_instance({
    '.id': [ 'id_1' ],
    '.type': [ 'person' ],
    '.title': [ 'Davis Remmel' ],
    '.wiki_body': [ 'Davis is the creator of wiki80.' ],
    'name': [ 'Davis' ],
    'age': [ '25' ],
    '.link': [ '@id_2', '@id_3' ]})




@app.route('/',
    methods = ['GET'])
def index():
    return 'hi!';

@app.route('/<iid>',
           methods = ['GET'])
def iid(iid=None):
    instance = graph.get_instance(iid)
    return render_template('index.html',
                           page_data = instance.page_data(),
                           graph = graph)

# Note about the editor: the editor only uses the iid to _load_ the
# values into the HTML. The actual editor's '.id' value will be the
# determinant of which object gets modified. This means, in effect, it
# doesn't matter what /<iid>/edit endpoint one goes to, because the
# editor page itself is really global in scope.

#~ @app.route('/<iid>/edit',
           #~ methods = ['GET', 'POST'])
#~ def edit(iid):
    #~ # This is the editor page for the object, where a user may assign
    #~ # or link information.

    #~ instance = graph.get_instance(iid)

    #~ if (request.method == 'GET'):
        #~ return render_template('edit.html',
                               #~ page_data = instance.page_data(),
                               #~ instance = instance)

    #~ if (request.method == 'POST'):
        #~ # Update the values with the information posted. Use
        #~ # request.form['htmlname'] to access them.
        #~ reassembled = {}

        #~ keys = request.form.getlist('key[]')
        #~ values = request.form.getlist('value[]')

        #~ # Reassemble
        #~ for i in range(0, len(keys)):
            #~ key = keys[i]
            #~ v = values[i].split(', ')

            #~ if len(key) > 0:
                #~ reassembled[key] = v

        #~ # There is no verification that goes on here. There should be!
        #~ graph.edit_instance(reassembled)

        #~ return redirect('../' + iid,
                        #~ code = 302)