from odoo import fields, models, api


class PosKdsReportLine(models.Model):
    _name = 'pos.kds.report.line'
    _description = 'KDS Line Completion Report'
    _order = 'completion_datetime desc'

    pos_order_id = fields.Many2one('pos.order', string='Order', required=True, ondelete='cascade')
    pos_order_line_id = fields.Many2one('pos.order.line', string='Order Line', required=True, ondelete='cascade')
    product_id = fields.Many2one('product.product', string='Product', required=True)
    pos_category_id = fields.Many2one('pos.category', string='POS Category', compute='_compute_pos_category', store=True)
    pos_config_id = fields.Many2one('pos.config', string='POS Shop', compute='_compute_pos_config', store=True)
    prep_display_id = fields.Many2one('pos.prep.display', string='Preparation Display', required=True)
    
    preparation_time = fields.Integer('Preparation Time (s)', help="Seconds taken to prepare")
    service_time = fields.Integer('Service Time (s)', help="Seconds taken to serve")
    completion_time = fields.Integer('Completion Time (s)', help="Total seconds taken to complete (prep + service)")
    completion_datetime = fields.Datetime('Completion Date', default=fields.Datetime.now)

    @api.depends('product_id')
    def _compute_pos_category(self):
        for record in self:
            record.pos_category_id = record.product_id.pos_categ_ids[:1] if record.product_id.pos_categ_ids else False

    @api.depends('pos_order_id')
    def _compute_pos_config(self):
        for record in self:
            record.pos_config_id = record.pos_order_id.session_id.config_id

    def name_get(self):
        result = []
        for record in self:
            name = f"{record.pos_order_id.name} - {record.product_id.name}"
            result.append((record.id, name))
        return result


class PosKdsReportOrder(models.Model):
    _name = 'pos.kds.report.order'
    _description = 'KDS Order Completion Report'
    _order = 'completion_datetime desc'

    pos_order_id = fields.Many2one('pos.order', string='Order', required=True, ondelete='cascade')
    pos_config_id = fields.Many2one('pos.config', string='POS Shop', compute='_compute_pos_config', store=True)
    prep_display_id = fields.Many2one('pos.prep.display', string='Preparation Display', required=True)
    
    completion_time = fields.Integer('Completion Time (s)', help="Max completion time across all lines of the order on this display")
    completion_datetime = fields.Datetime('Completion Date', default=fields.Datetime.now)

    @api.depends('pos_order_id')
    def _compute_pos_config(self):
        for record in self:
            record.pos_config_id = record.pos_order_id.session_id.config_id

    def name_get(self):
        result = []
        for record in self:
            name = f"{record.pos_order_id.name} ({record.prep_display_id.name})"
            result.append((record.id, name))
        return result