# Part of Odoo. See LICENSE file for full copyright and licensing details.

import base64

from odoo import _, api, fields, models, tools
from odoo.exceptions import ValidationError
from odoo.tools.image import is_image_size_above

from odoo.addons.web_editor.tools import get_video_embed_code, get_video_thumbnail


class ProductImage(models.Model):
    _name = 'product.image'
    _description = "Product Image"
    _inherit = ['image.mixin']
    _order = 'sequence, id'

    name = fields.Char(string="Name", required=True)
    sequence = fields.Integer(default=10)

    image_1920 = fields.Image()

    product_tmpl_id = fields.Many2one(
        string="Product Template", comodel_name='product.template', ondelete='cascade', index=True,
    )
    product_variant_id = fields.Many2one(
        string="Product Variant", comodel_name='product.product', ondelete='cascade', index=True,
    )
    video_url = fields.Char(
        string="Video URL",
        help="URL of a video for showcasing your product.",
    )
    embed_code = fields.Html(compute='_compute_embed_code', sanitize=False)

    can_image_1024_be_zoomed = fields.Boolean(
        string="Can Image 1024 be zoomed",
        compute='_compute_can_image_1024_be_zoomed',
        store=True,
    )

    #=== COMPUTE METHODS ===#

    @api.depends('image_1920', 'image_1024')
    def _compute_can_image_1024_be_zoomed(self):
        for image in self:
            image.can_image_1024_be_zoomed = image.image_1920 and is_image_size_above(image.image_1920, image.image_1024)

    @api.depends('video_url')
    def _compute_embed_code(self):
        for image in self:
            image.embed_code = get_video_embed_code(image.video_url) or False

    #=== ONCHANGE METHODS ===#

    @api.onchange('video_url')
    def _onchange_video_url(self):
        if not self.image_1920:
            thumbnail = get_video_thumbnail(self.video_url)
            self.image_1920 = thumbnail and base64.b64encode(thumbnail) or False

    #=== CONSTRAINT METHODS ===#

    @api.constrains('video_url')
    def _check_valid_video_url(self):
        for image in self:
            if image.video_url and not image.embed_code:
                raise ValidationError(_("Provided video URL for '%s' is not valid. Please enter a valid video URL.", image.name))

    #=== CRUD METHODS ===#

    @api.model_create_multi
    def create(self, vals_list):
        """
            We don't want the default_product_tmpl_id from the context
            to be applied if we have a product_variant_id set to avoid
            having the variant images to show also as template images.
            But we want it if we don't have a product_variant_id set.
        """
        context_without_template = self.with_context({k: v for k, v in self.env.context.items() if k != 'default_product_tmpl_id'})
        normal_vals = []
        variant_vals_list = []

        for vals in vals_list:
            if vals.get('product_variant_id') and 'default_product_tmpl_id' in self.env.context:
                variant_vals_list.append(vals)
            else:
                normal_vals.append(vals)

        return super().create(normal_vals) + super(ProductImage, context_without_template).create(variant_vals_list)