from pyramid.view import view_config
from pyramid.httpexceptions import HTTPNotFound, HTTPFound
from markdown2 import Markdown
import datetime #<- will be used to set default dates on models

from ..models.blog_record import BlogRecord
from ..services.blog_record import BlogRecordService
from ..forms import BlogCreateForm, BlogUpdateForm, BlogSearchForm


@view_config(route_name='blog',
             renderer='cao_blogr:templates/blog.jinja2')
def blog(request):
    # get post id from request
    blog_id = request.matchdict['id']
    entry = BlogRecordService.by_id(request, blog_id)
    if not entry:
        request.session.flash(u"Page non trouvée : %s" % blog_id, 'warning')
        return HTTPFound(location=request.route_url('home'))

    # insèrer le path de static/img
    body = entry.body.replace('static/img/', "%s/static/img/" % request.application_url)
    # convertir mardown en HTML
    markdowner = Markdown()
    body_html = markdowner.convert(body)

    return {
        'page_title': entry.title,
        'entry': entry,
        'body_html': body_html,
        }


@view_config(route_name='blog_edit', 
             renderer='cao_blogr:templates/blog_edit.jinja2', permission='view')
def blog_edit(request):
    # get post parameters from request
    topic = request.matchdict['topic'] 
    blog_id = request.matchdict['id']
    url = request.route_url('blog_edit',topic=topic, id=blog_id)

    # get the list of tags of this topic
    tags = BlogRecordService.get_tags_byTopic(request, topic)

    if blog_id == '0':
        # create a new post
        entry = BlogRecord()
        entry.topic_id = topic
        form = BlogCreateForm(request.POST, entry)
        form.tag.choices = [(row.tag, row.tag_name) for row in tags]
        page_title = 'Nouvelle page'

    else:
        # modify post
        entry = BlogRecordService.by_id(request, blog_id)
        if not entry:
            request.session.flash(u"Page non trouvée : %s" % blog_id, 'warning')
            return HTTPFound(location=request.route_url('home'))
        form = BlogUpdateForm(request.POST, entry)
        form.tag.choices = [(row.tag, row.tag_name) for row in tags]
        page_title = 'Modifier : ' + entry.title

    if 'form.submitted' in request.params and form.validate():
        if blog_id == '0':
            form.populate_obj(entry)
            entry.topic_id = topic
            
            request.dbsession.add(entry)
            
            return HTTPFound(location=request.route_url('topic', topic=topic))
        else:
            del form.id  # SECURITY: prevent overwriting of primary key
            form.populate_obj(entry)
            entry.edited = datetime.datetime.now()
            return HTTPFound(location=request.route_url('blog', id=entry.id, slug=entry.slug))

    if 'form.deleted' in request.params:
        BlogRecordService.delete(request, blog_id)
        request.session.flash("La page a été supprimée avec succès.", 'success')
        return HTTPFound(location=request.route_url('topic', topic=topic))

    return {
        'page_title': page_title,
        'url': url,
        'form': form,
        'blog_id': blog_id,
        'entry': entry,
        }


@view_config(route_name='blog_search', 
            renderer='cao_blogr:templates/blog_search.jinja2')
def blog_search(request):

    criteria = ''
    form = BlogSearchForm(request.POST)
    items = []
    if 'form.submitted' in request.params and form.validate():
        criteria = request.params['criteria']
        # si afficher tous les fiches ?
        items = BlogRecordService.by_criteria(request, criteria)
        
    return {
        'page_title': "Rechercher",
        'form': form,
        'items': items,
        'criteria': criteria,
    }


@view_config(route_name='topic', 
            renderer='cao_blogr:templates/topic.jinja2')
def topic(request):
    topic = request.matchdict['topic'] 

    # get the topic record
    topic_record = BlogRecordService.get_topic_byTopic(request, topic)
    # convertir mardown en HTML
    markdowner = Markdown()
    topic_quote = markdowner.convert(topic_record.topic_quote)

    # get all the tags of this topic
    tags = BlogRecordService.get_tags_byTopic(request, topic)

    # generate the items list group by tag
    liste = ''
    for tag in tags:
        liste += '<h3>' + tag.tag_name + '</h3>'
        # lire toutes les docs du topic
        items = BlogRecordService.by_topic(request, topic, tag.tag)
        if items:
            liste += '<ul>'
            for item in items:
                liste += '<li><a href="{0}">{1}</a> — {2}</li>'.format(
                    request.route_url('blog', id=item.id, slug=item.slug), item.title,
                    item.edited.strftime("%d-%m-%Y"))
            liste += '</ul>'
        else:
            liste += '<ul><li> </li></ul>'
    return {
            'page_title': topic_record.topic_name,
            'topic': topic,
            'topic_quote': topic_quote,
            'liste': liste,
        }