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


class C2CBomOutputLine(models.Model):
    """Stores additional finished product outputs on a BOM."""
    _name = 'c2c.bom.output.line'
    _description = 'C2C BOM Output Line'

    bom_id = fields.Many2one('mrp.bom', string='Bill of Materials', ondelete='cascade', required=True)
    product_id = fields.Many2one('product.product', string='Output Product', required=True)
    product_qty = fields.Float('Quantity', default=1.0, required=True)
    product_uom_id = fields.Many2one('uom.uom', string='Unit', related='product_id.uom_id', readonly=True, store=True)
    tracking = fields.Selection(related='product_id.tracking', readonly=True)
    quality_grade = fields.Selection(related='product_id.quality_grade', readonly=True)
    description = fields.Char(string='Notes')


class MrpBom(models.Model):
    _inherit = 'mrp.bom'

    c2c_output_line_ids = fields.One2many(
        'c2c.bom.output.line', 'bom_id',
        string='Additional Output Products'
    )
    is_multi_output = fields.Boolean(
        string='Multi-Output BOM',
        compute='_compute_is_multi_output',
        store=True
    )

    @api.depends('c2c_output_line_ids')
    def _compute_is_multi_output(self):
        for bom in self:
            bom.is_multi_output = bool(bom.c2c_output_line_ids)