# -*- coding: utf-8 -*-
# Copyright 2026 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)
#
# Pre-migration audit. Reports row counts and data-quality concerns
# before running migrate_to_fp_jobs.py. Read-only — does NOT modify data.
#
# Run from `odoo shell` where `env` is in scope. See ./README.md.

import logging

_logger = logging.getLogger('fp_jobs_migration')


def run(env):
    """Print a snapshot of what migrate_to_fp_jobs.py would touch.

    All queries are SELECT-only. Safe to run on production at any time.
    """
    cr = env.cr
    print('=== Pre-migration audit ===')

    # Core MRP counts
    cr.execute("SELECT COUNT(*) FROM mrp_production")
    mo_total = cr.fetchone()[0]
    print('mrp.production total:', mo_total)

    cr.execute("SELECT state, COUNT(*) FROM mrp_production GROUP BY state ORDER BY 1")
    print('mrp.production by state:', cr.fetchall())

    cr.execute("SELECT COUNT(*) FROM mrp_workorder")
    wo_total = cr.fetchone()[0]
    print('mrp.workorder total:', wo_total)

    cr.execute("SELECT state, COUNT(*) FROM mrp_workorder GROUP BY state ORDER BY 1")
    print('mrp.workorder by state:', cr.fetchall())

    # Already migrated?
    cr.execute("SELECT COUNT(*) FROM fp_job")
    job_total = cr.fetchone()[0]
    print('fp.job already exists:', job_total)

    cr.execute("SELECT COUNT(*) FROM fp_job_step")
    step_total = cr.fetchone()[0]
    print('fp.job.step already exists:', step_total)

    # Data quality
    if 'x_fc_recipe_id' in env['mrp.production']._fields:
        cr.execute(
            "SELECT COUNT(*) FROM mrp_production WHERE x_fc_recipe_id IS NULL"
        )
        no_recipe = cr.fetchone()[0]
        print('MOs without x_fc_recipe_id:', no_recipe)

    cr.execute(
        "SELECT COUNT(*) FROM mrp_workorder WHERE workcenter_id IS NULL"
    )
    no_wc = cr.fetchone()[0]
    print('WOs without workcenter_id:', no_wc)

    # Dependent records — check by model registry (truthful even when
    # the schema names differ from defaults).
    if 'fp.quality.hold' in env:
        cr.execute(
            "SELECT COUNT(*) FROM fp_quality_hold WHERE production_id IS NOT NULL"
        )
        print('fp.quality.hold rows with production_id:', cr.fetchone()[0])
    if 'fp.certificate' in env:
        cr.execute(
            "SELECT COUNT(*) FROM fp_certificate WHERE production_id IS NOT NULL"
        )
        print('fp.certificate rows with production_id:', cr.fetchone()[0])
    if 'fp.thickness.reading' in env:
        cr.execute(
            "SELECT COUNT(*) FROM fp_thickness_reading WHERE production_id IS NOT NULL"
        )
        print(
            'fp.thickness.reading rows with production_id:',
            cr.fetchone()[0],
        )
    if 'fusion.plating.batch' in env:
        cr.execute(
            "SELECT COUNT(*) FROM fusion_plating_batch WHERE workorder_id IS NOT NULL"
        )
        print(
            'fusion.plating.batch rows with workorder_id:',
            cr.fetchone()[0],
        )
    if 'fusion.plating.portal.job' in env:
        cr.execute("SELECT COUNT(*) FROM fusion_plating_portal_job")
        print('fusion.plating.portal.job total:', cr.fetchone()[0])
    if 'fp.racking.inspection' in env:
        cr.execute(
            "SELECT COUNT(*) FROM fp_racking_inspection WHERE production_id IS NOT NULL"
        )
        print(
            'fp.racking.inspection rows with production_id:',
            cr.fetchone()[0],
        )
    if 'fusion.plating.delivery' in env:
        cr.execute(
            "SELECT COUNT(*) FROM fusion_plating_delivery WHERE job_ref IS NOT NULL"
        )
        print(
            'fusion.plating.delivery rows with job_ref:',
            cr.fetchone()[0],
        )

    print('=== End pre-migration audit ===')


# Run when the script is exec'd from odoo shell (env is in scope).
try:
    run(env)  # noqa: F821 — `env` is provided by odoo shell
except NameError:
    print('This script expects to run inside `odoo shell` where `env` is defined.')