from odoo import models, api, fields
from odoo.exceptions import UserError
from datetime import datetime
import logging

_logger = logging.getLogger(__name__)


class StockInventory(models.Model):
    _inherit = ['stock.inventory']
    _order = 'id desc'
    _rec_name = 'number'

    number = fields.Char(string='Document No', index=True, copy=False, readonly=True)
    adjusment_type = fields.Selection([
        ('in', 'Adjusment In'),
        ('out', 'Adjusment Out'),
    ], string='Adjusments Type', required=True)
    approval_state = fields.Selection([
        ('logistic', 'Logistic'),
        ('accounting', 'Accounting'),
        ('approved', 'Approved'),
    ], default='logistic', tracking=True)

    def _generate_number_stock_inventory(self):
        """Men-generate nomor untuk semua stock inventory yang belum memiliki number."""
        stock_records = self.env['stock.inventory'].search([('number', '=', False)], order='id asc')
        for record in stock_records:
            self._assign_number(record)

        _logger.info('Generate Number Done')

    def _assign_number(self, record):
        """Menentukan nomor berdasarkan kategori Adjust-In atau Adjust-Out."""
        name_upper = record.name.upper() if record.name else ""

        if self.adjusment_type == 'out':
            last_number = self._get_last_sequence("ADJUST/OUT/")
            record.number = f"ADJUST/OUT/{last_number}"
        elif self.adjusment_type == 'in':
            last_number = self._get_last_sequence("ADJUST/IN/")
            record.number = f"ADJUST/IN/{last_number}"
        else:
            record.number = "UNKNOWN"  # Jika tidak termasuk kategori

    def _get_last_sequence(self, prefix):
        """Mengambil nomor terakhir berdasarkan prefix (ADJUST/OUT/ atau ADJUST/IN/) dengan format 00001, 00002, dst."""
        last_record = self.env['stock.inventory'].search(
            [("number", "like", f"{prefix}%")], order="number desc", limit=1
        )

        if last_record and last_record.number:
            try:
                last_number = int(last_record.number.split("/")[-1])  # Ambil angka terakhir
                return str(last_number + 1).zfill(5)  # Format jadi 00001, 00002, dst.
            except ValueError:
                return "00001"  # Jika format tidak valid, mulai dari 00001
        return "00001"  # Jika belum ada data, mulai dari 00001

    def action_start(self):
        if self.approval_state != 'approved' and self.adjusment_type == 'out':
            raise UserError('Harus melalui proses approval')
        if self.adjusment_type == 'in':
            if self.env.user.id not in [10, 14, 20, 21]:
                raise UserError("Hanya User tertentu yang dapat melakukan Adjust-In")
        return super(StockInventory, self).action_start()

    @api.model
    def create(self, vals):
        """Pastikan nomor hanya dibuat saat penyimpanan."""
        if 'adjusment_type' in vals and not vals.get('number'):
            vals['number'] = False  # Jangan buat number otomatis dulu

        order = super(StockInventory, self).create(vals)

        if order.adjusment_type:
            self._assign_number(order)  # Generate number setelah save

        return order
    
    def action_approve(self):
        if self.adjusment_type == 'out':
            for rec in self:
                if rec.approval_state == 'logistic':
                    if not rec.env.user.id in [10, 14, 20, 21]:
                        raise UserError("Harus diapprove logistic")
                    rec.approval_state = 'accounting'
                elif rec.approval_state == 'accounting':
                    if not rec.env.user.id in [13, 24, 2]:
                        raise UserError("Harus diapprove accounting")
                    rec.approval_state = 'approved'
                else:
                    raise UserError("Sudah Approved")

    def write(self, vals):
        """Jika adjusment_type diubah, generate ulang nomor."""
        res = super(StockInventory, self).write(vals)
        if 'adjusment_type' in vals:
            for record in self:
                self._assign_number(record)
        return res

    def copy(self, default=None):
        """Saat duplikasi, adjusment_type dikosongkan dan number tidak ikut terduplikasi."""
        default = dict(default or {}, adjusment_type=False, number=False)
        return super(StockInventory, self).copy(default=default)