# -*- coding: utf-8 -*-
from odoo import models, fields, api


class ProductTemplate(models.Model):
    """Extend product template with remote inventory visibility."""
    _inherit = 'product.template'

    sync_mapping_ids = fields.One2many('fusion.product.sync.mapping', 'local_product_id',
                                       string='Remote Inventory Links')
    remote_qty_available = fields.Float(
        string='Remote On Hand',
        compute='_compute_remote_stock',
        store=False,
        help='Total on-hand quantity at remote locations (Mobility Specialties)')
    remote_qty_forecast = fields.Float(
        string='Remote Forecast',
        compute='_compute_remote_stock',
        store=False,
        help='Total forecasted quantity at remote locations')
    has_remote_mapping = fields.Boolean(
        string='Has Remote Link',
        compute='_compute_remote_stock',
        store=False)

    @api.depends('sync_mapping_ids', 'sync_mapping_ids.remote_qty_available',
                 'sync_mapping_ids.remote_qty_forecast')
    def _compute_remote_stock(self):
        for product in self:
            mappings = product.sync_mapping_ids
            product.remote_qty_available = sum(mappings.mapped('remote_qty_available'))
            product.remote_qty_forecast = sum(mappings.mapped('remote_qty_forecast'))
            product.has_remote_mapping = bool(mappings)