import base64

from odoo import http
from odoo.http import request

MAX_IMAGES = 3


def _is_module_installed(env, module_name):
    return bool(env['ir.module.module'].sudo().search_count(
        [('name', '=', module_name), ('state', '=', 'installed')]
    ))


def _has_active_membership(partner):
    """Soft-check: only meaningful if community_membership is installed."""
    if 'membership_state' not in partner._fields:
        return True
    return partner.membership_state in ('active', 'renewal_due')


class ClassifiedsController(http.Controller):

    @http.route(['/classifieds'], type='http', auth='public', website=True, sitemap=True)
    def classifieds_list(self, category=None, **kwargs):
        domain = [('state', '=', 'published')]
        if category:
            domain.append(('category', '=', category))
        listings = request.env['community.classified'].sudo().search(domain)
        return request.render('community_classifieds.classifieds_list_page', {
            'listings': listings,
            'category': category,
        })

    @http.route(['/classifieds/<int:classified_id>'], type='http', auth='public', website=True, sitemap=False)
    def classifieds_detail(self, classified_id, **kwargs):
        listing = request.env['community.classified'].sudo().browse(classified_id)
        if not listing.exists() or listing.state != 'published':
            return request.not_found()
        listing._increment_view_count()
        return request.render('community_classifieds.classifieds_detail_page', {'listing': listing})

    @http.route(['/classifieds/new'], type='http', auth='user', website=True)
    def classifieds_new(self, **kwargs):
        partner = request.env.user.partner_id
        if _is_module_installed(request.env, 'community_membership') and not _has_active_membership(partner):
            return request.render('community_classifieds.classifieds_membership_required', {})

        if request.httprequest.method == 'POST':
            image_ids = []
            for field_name in ('image1', 'image2', 'image3'):
                upload = kwargs.get(field_name)
                if upload and getattr(upload, 'filename', None):
                    image_ids.append((0, 0, {'image': base64.b64encode(upload.read())}))

            listing = request.env['community.classified'].sudo().create({
                'title': kwargs.get('title', '').strip(),
                'category': kwargs.get('category', 'other'),
                'description': kwargs.get('description', ''),
                'contact_method': kwargs.get('contact_method', 'email'),
                'contact_email': kwargs.get('contact_email', '').strip(),
                'contact_phone': kwargs.get('contact_phone', '').strip(),
                'poster_partner_id': partner.id,
                'image_ids': image_ids[:MAX_IMAGES],
            })
            return request.redirect(f'/classifieds/my?posted={listing.id}')

        return request.render('community_classifieds.classifieds_new_page', {})

    @http.route(['/classifieds/my'], type='http', auth='user', website=True)
    def classifieds_my(self, **kwargs):
        partner = request.env.user.partner_id
        listings = request.env['community.classified'].sudo().search([('poster_partner_id', '=', partner.id)])
        return request.render('community_classifieds.classifieds_my_page', {'listings': listings})

    @http.route(['/classifieds/<int:classified_id>/renew'], type='http', auth='user', website=True)
    def classifieds_renew(self, classified_id, **kwargs):
        partner = request.env.user.partner_id
        listing = request.env['community.classified'].sudo().search([
            ('id', '=', classified_id), ('poster_partner_id', '=', partner.id),
        ], limit=1)
        if listing:
            listing.action_renew()
        return request.redirect('/classifieds/my')