# -*- coding: utf-8 -*-
# Copyright 2026 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)
# Part of the Fusion Plating product family.
#
# Phase 1 (Sub 11) — relocated from fusion_plating_bridge_mrp.
# MRP-flavoured fields (production_id, workorder_id) replaced by their
# native fp.job / fp.job.step equivalents.

from odoo import api, fields, models, _


class FpJobConsumption(models.Model):
    """A single consumable drawdown charged to a plating job.

    Sources include bath replenishment applied against a job, masking tape
    rolls, PPE, nickel salts — anything that has a cost and should roll
    into job costing.

    Kept deliberately lightweight: one row per event, cost derived from
    `product.standard_price` at log time (snapshot, not reactive).
    """
    _name = 'fp.job.consumption'
    _description = 'Fusion Plating — Job Consumption'
    _order = 'logged_date desc, id desc'

    job_id = fields.Many2one(
        'fp.job', string='Work Order',
        required=True, ondelete='cascade', index=True,
    )
    step_id = fields.Many2one(
        'fp.job.step', string='Job Step',
        domain="[('job_id', '=', job_id)]",
        ondelete='set null',
    )
    product_id = fields.Many2one(
        'product.product', string='Product', required=True,
        domain="[('sale_ok', '=', False)]",
    )
    product_name = fields.Char(
        string='Product Name (snapshot)',
        help='Free-text product label if no inventory product is linked.',
    )
    quantity = fields.Float(string='Quantity', required=True, digits=(12, 3))
    uom_id = fields.Many2one(
        'uom.uom', string='UoM',
    )
    currency_id = fields.Many2one(
        'res.currency', required=True,
        default=lambda self: self.env.company.currency_id,
    )
    unit_cost = fields.Monetary(
        string='Unit Cost (snapshot)', currency_field='currency_id',
        help='Taken from product.standard_price at log time.',
    )
    total_cost = fields.Monetary(
        string='Total Cost', currency_field='currency_id',
        compute='_compute_total_cost', store=True,
    )
    logged_date = fields.Datetime(
        string='Logged', default=fields.Datetime.now,
    )
    logged_by_id = fields.Many2one(
        'res.users', string='Logged By', default=lambda self: self.env.user,
    )
    source = fields.Selection(
        [('replenishment', 'Bath Replenishment'),
         ('masking', 'Masking Material'),
         ('ppe', 'PPE / Consumables'),
         ('chemistry', 'Process Chemistry'),
         ('other', 'Other')],
        string='Source', default='other', required=True,
    )
    replenishment_id = fields.Many2one(
        'fusion.plating.bath.replenishment.suggestion',
        string='Replenishment Suggestion',
        ondelete='set null',
    )
    notes = fields.Char(string='Notes')

    @api.depends('quantity', 'unit_cost')
    def _compute_total_cost(self):
        for rec in self:
            rec.total_cost = round((rec.quantity or 0) * (rec.unit_cost or 0), 2)

    @api.depends('product_id', 'product_name', 'quantity', 'job_id')
    def _compute_display_name(self):
        for rec in self:
            label = rec.product_id.display_name or rec.product_name or 'Consumption'
            qty = ('%g' % rec.quantity) if rec.quantity else ''
            job = rec.job_id.name or ''
            bits = [label]
            if qty:
                bits.append('×' + qty)
            if job:
                bits.append('(%s)' % job)
            rec.display_name = ' '.join(bits)

    @api.onchange('product_id')
    def _onchange_product(self):
        if self.product_id:
            self.product_name = self.product_id.display_name
            self.unit_cost = self.product_id.standard_price or 0.0
            self.uom_id = self.product_id.uom_id or False