# -*- 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 api, fields, models


class FpThicknessReading(models.Model):
    """Fischerscope thickness measurement data.

    Captures individual XRF readings from equipment like the
    Fischerscope XDAL 600. Linked to certificates and/or MOs.
    Data is manually entered for now; future: CSV import from equipment.
    """
    _name = 'fp.thickness.reading'
    _description = 'Fusion Plating — Thickness Reading'
    _order = 'reading_number'

    certificate_id = fields.Many2one(
        'fp.certificate', string='Certificate', ondelete='cascade',
    )
    # Phase 6 (Sub 11) — production_id retired (MRP module gone).
    # Thickness readings link via certificate_id and quality_check_id.
    reading_number = fields.Integer(
        string='Reading #', default=1, help='Sequence number (n=1, n=2, n=3).',
    )
    nip_mils = fields.Float(
        string='NiP (mils)', digits=(10, 4), help='NiP thickness in mils.',
    )
    ni_percent = fields.Float(
        string='Ni %', digits=(6, 3), help='Nickel content percentage.',
    )
    p_percent = fields.Float(
        string='P %', digits=(6, 4), help='Phosphorus content percentage.',
    )
    position_label = fields.Char(
        string='Position', help='Where on the part this reading was taken.',
    )
    equipment_model = fields.Char(
        string='Equipment', default='Fischerscope XDAL 600',
    )
    product_ref = fields.Char(
        string='Product Ref', help='e.g. "2805031 / NiP/Al-alloys 2805030"',
    )
    calibration_std_ref = fields.Char(
        string='Calibration Std',
        required=True,
        default='NiP/Al STD SET SN 100174568',
        help='Nadcap mandatory: which calibration standard the gauge '
             'was checked against. Defaults to the shop\'s primary '
             'standard but should be overridden if a different std '
             'was used for this reading.',
    )
    microscope_image_id = fields.Many2one(
        'ir.attachment', string='Microscope Image',
    )
    operator_id = fields.Many2one(
        'res.users', string='Operator', default=lambda self: self.env.user,
    )
    reading_datetime = fields.Datetime(
        string='Reading Date/Time', default=fields.Datetime.now,
    )
    measuring_time_seconds = fields.Integer(
        string='Measuring Time (sec)', default=120,
    )

    @api.depends('reading_number', 'nip_mils', 'certificate_id')
    def _compute_display_name(self):
        for rec in self:
            ctx = rec.certificate_id.display_name or ''
            label = 'Reading #%d' % (rec.reading_number or 0)
            if rec.nip_mils:
                label = '%s (%.4f mils)' % (label, rec.nip_mils)
            if ctx:
                label = '%s — %s' % (label, ctx)
            rec.display_name = label