from django.shortcuts import render
from django.template import RequestContext
from django.views.generic import View

from boards.mdx_neboard import Parser


FORM_QUERY = 'query'

CONTEXT_RESULT = 'result'
CONTEXT_QUERY = 'query'

__author__ = 'neko259'

TEMPLATE = 'boards/preview.html'


class PostPreviewView(View):
    def get(self, request):
        context = RequestContext(request)

        # TODO Use dict here
        return render(request, TEMPLATE, context_instance=context)

    def post(self, request):
        params = dict()

        if FORM_QUERY in request.POST:
            raw_text = request.POST[FORM_QUERY]

            if len(raw_text) >= 0:
                parser = Parser()
                rendered_text = parser.parse(parser.preparse(raw_text))

                params[CONTEXT_RESULT] = rendered_text
                params[CONTEXT_QUERY] = raw_text

        return render(request, TEMPLATE, params)