# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.


import base64

from odoo import api, fields, models
from odoo.exceptions import ValidationError
from odoo.tools import ImageProcess
from odoo.tools.translate import _


class Website(models.Model):
    _inherit = "website"

    app_icon = fields.Image(
        string='Website App Icon',
        compute='_compute_app_icon',
        store=True,
        readonly=True,
        help='This field holds the image used as mobile app icon on the website (PNG format).')
    events_app_name = fields.Char(
        string='Events App Name',
        compute='_compute_events_app_name',
        store=True,
        readonly=False,
        help="This fields holds the Event's Progressive Web App name.")

    @api.depends('name')
    def _compute_events_app_name(self):
        for website in self:
            if not website.events_app_name:
                website.events_app_name = _('%s Events') % website.name

    @api.constrains('events_app_name')
    def _check_events_app_name(self):
        for website in self:
            if not website.events_app_name:
                raise ValidationError(_('"Events App Name" field is required.'))

    @api.depends('favicon')
    def _compute_app_icon(self):
        """ Computes a squared image based on the favicon to be used as mobile webapp icon.
            App Icon should be in PNG format and size of at least 512x512.

            If the favicon is an SVG image, it will be skipped and the app_icon will be set to False.

        """
        for website in self:
            image = ImageProcess(base64.b64decode(website.favicon)) if website.favicon else None
            if not (image and image.image):
                website.app_icon = False
                continue
            w, h = image.image.size
            square_size = w if w > h else h
            image.crop_resize(square_size, square_size)
            image.image = image.image.resize((512, 512))
            image.operationsCount += 1
            website.app_icon = base64.b64encode(image.image_quality(output_format='PNG'))
