# -*- 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 FpConfigItem(models.Model):
    """Configuration management baseline item.

    Tracks a configuration item (product, process, document, tooling,
    etc.) under formal configuration management control per AS9100
    §8.1.2. Each item has a baseline revision, the current in-use
    revision, and a change history log for traceability.
    """
    _name = 'fusion.plating.config.item'
    _description = 'Fusion Plating — Configuration Management Item'
    _inherit = ['mail.thread', 'mail.activity.mixin']
    _order = 'name, id'

    name = fields.Char(
        string='Name',
        required=True,
        tracking=True,
    )
    code = fields.Char(
        string='Code',
        required=True,
        tracking=True,
    )
    baseline_revision = fields.Char(
        string='Baseline Revision',
        tracking=True,
        help='The frozen baseline revision this item starts from.',
    )
    current_revision = fields.Char(
        string='Current Revision',
        tracking=True,
        help='The revision currently in effect — usually the most '
             'recently approved change.',
    )
    approved_by_id = fields.Many2one(
        'res.users',
        string='Approved By',
        tracking=True,
    )
    approval_date = fields.Date(
        string='Approval Date',
        tracking=True,
    )
    change_history = fields.Html(
        string='Change History',
        help='Manual log of baseline changes. Use dated entries to keep '
             'full traceability for auditors.',
    )
    notes = fields.Html(
        string='Notes',
    )
    company_id = fields.Many2one(
        'res.company',
        string='Company',
        default=lambda self: self.env.company,
    )
    active = fields.Boolean(default=True)

    _sql_constraints = [
        (
            'fp_config_item_code_uniq',
            'unique(code, company_id)',
            'Configuration item codes must be unique per company.',
        ),
    ]