# -*- coding: utf-8 -*-
# Copyright 2026 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)
#
# Assigns existing fp.coating.config rows (with recipes) to parts that
# don't have one yet. Round-robin distribution. Idempotent.
#
# Field name on fp.part.catalog is x_fc_default_coating_config_id.

COATING_FIELD = 'x_fc_default_coating_config_id'


def run(env):
    print('=== Assigning coatings to bare parts ===')

    Part = env['fp.part.catalog']
    Coating = env['fp.coating.config']

    coatings_with_recipe = Coating.search([('recipe_id', '!=', False)])
    if not coatings_with_recipe:
        print('  No coatings with recipes available — abort')
        return
    print(f'  Coatings with recipes: {len(coatings_with_recipe)}')

    bare_parts = Part.search([(COATING_FIELD, '=', False)])
    print(f'  Parts without coating: {len(bare_parts)}')

    # Assign first 20 bare parts (or all if fewer)
    to_assign = bare_parts[:20]
    n = 0
    for i, part in enumerate(to_assign):
        coating = coatings_with_recipe[i % len(coatings_with_recipe)]
        part[COATING_FIELD] = coating.id
        n += 1
        print(f'    {part.name!r} -> {coating.name!r}')

    env.cr.commit()
    print()
    print(f'=== Done. Assigned coatings to {n} parts ===')
    final_count = Part.search_count([(COATING_FIELD, '!=', False)])
    print(f'  Parts with coating now: {final_count}')


try:
    run(env)
except NameError:
    print('Run inside `odoo shell`.')