import werkzeug,io
import werkzeug.exceptions
import werkzeug.utils
import werkzeug.wrappers
import werkzeug.wsgi
from odoo import http
from odoo.http import request
from jinja2 import  Environment, PackageLoader
import mammoth
class preview(http.Controller):

    @http.route('/web/content/preview/<int:id>', type='http',method=['Get'], auth="user")
    def content_preview(self, id=None):
        ir_attach = request.env['ir.attachment'].sudo()
        attach = ir_attach.browse(id)
        image=['image/jpeg','image/png', 'image/bmp','image/gif', 'image/jpg','image/svg']
        html=['text/html']
        video=['video/mp4','video/webm','video/wmv','video/asf','video/divx','video/rm','video/mkv','video/flv','video/3gp',
                'video/wma','video/wav','video/ape','video/mpeg','video/mpg']
        pdf=[ 'application/pdf']
        txt=['text/plain']
        word=['application/vnd.openxmlformats-officedocument.wordprocessingml.document']
        env = Environment(loader=PackageLoader('odoo.addons.preview_easy', 'static/src/xml'))
        template = env.get_template('1.html')
        if attach:
            if attach.mimetype in image or attach.mimetype in video or attach.mimetype in pdf or attach.mimetype in html or attach.mimetype in txt:
                headers = [('Content-Type', attach.mimetype)]
                return werkzeug.wrappers.Response(attach.raw, status=200, headers=headers)
            elif attach.mimetype in word:
                with io.BytesIO(attach.raw) as file:
                    result = mammoth.convert_to_html(file)
                    html = result.value
                return template.render(html=html)

            else:
                return werkzeug.wrappers.Response('This format is not currently supported', status=200, headers=[('Content-Type', 'text/html'),('charset','utf-8')])