# -*- coding: utf-8 -*-
# Copyright 2026 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)
# Part of the Fusion Plating product family.

from odoo import fields, models


class FpWorkCenter(models.Model):
    """A production line or station inside a facility.

    Examples: "Line 1 - EN", "Anodize Line", "Prep Bay", "Bake Station",
    "Inspection Booth", "Shipping Dock". Work centers group tanks and
    provide scheduling capacity.
    """
    _name = 'fusion.plating.work.center'
    _description = 'Fusion Plating — Work Center'
    _order = 'facility_id, sequence, name'

    name = fields.Char(
        string='Work Center',
        required=True,
    )
    code = fields.Char(
        string='Code',
        required=True,
    )
    facility_id = fields.Many2one(
        'fusion.plating.facility',
        string='Facility',
        required=True,
        ondelete='cascade',
    )
    sequence = fields.Integer(
        string='Sequence',
        default=10,
    )
    active = fields.Boolean(
        string='Active',
        default=True,
    )
    supported_process_ids = fields.Many2many(
        'fusion.plating.process.type',
        'fp_work_center_process_rel',
        'work_center_id',
        'process_type_id',
        string='Supported Processes',
    )
    tank_ids = fields.One2many(
        'fusion.plating.tank',
        'work_center_id',
        string='Tanks',
    )
    tank_count = fields.Integer(
        compute='_compute_tank_count',
    )
    capacity_per_day = fields.Float(
        string='Capacity / Day',
        help='Theoretical throughput (parts, jobs, or square metres per day) — unit depends on shop.',
    )

    _sql_constraints = [
        (
            'fp_work_center_code_facility_uniq',
            'unique(code, facility_id)',
            'Work center code must be unique within a facility.',
        ),
    ]

    def _compute_tank_count(self):
        for rec in self:
            rec.tank_count = len(rec.tank_ids)