from odoo import models, api, fields
from odoo.exceptions import AccessError, UserError, ValidationError
from datetime import timedelta, date
import logging

_logger = logging.getLogger(__name__)


class CommissionInternal(models.Model):
    _name = 'commission.internal'
    _description = 'Commission Internal'
    _order = 'date_doc, id desc'
    _inherit = ['mail.thread']
    _rec_name = 'number'

    number = fields.Char(string='Document No', index=True, copy=False, readonly=True)
    date_doc = fields.Date(string='Document Date', required=True)
    month = fields.Selection([
        ('01', 'January'), ('02', 'February'), ('03', 'March'),
        ('04', 'April'), ('05', 'May'), ('06', 'June'),
        ('07', 'July'), ('08', 'August'), ('09', 'September'),
        ('10', 'October'), ('11', 'November'), ('12', 'December')
    ], string="Commission Month")
    year = fields.Selection([(str(y), str(y)) for y in range(2025, 2036)], string="Commission Year")
    description = fields.Char(string='Description')
    comment = fields.Char(string='Comment')
    commission_internal_line = fields.One2many('commission.internal.line', 'commission_internal_id', string='Lines',
                                               auto_join=True, order='account_move_id asc')

    @api.model
    def create(self, vals):
        vals['number'] = self.env['ir.sequence'].next_by_code('commission.internal') or '0'
        result = super(CommissionInternal, self).create(vals)
        return result

    def _get_commission_internal_bank_account_ids(self):
        bank_ids = self.env['ir.config_parameter'].sudo().get_param('commission.internal.bank.account.id')
        if not bank_ids:
            return []
        return [int(x.strip()) for x in bank_ids.split(',') if x.strip().isdigit()]

    def _get_period_range(self, period_year, period_month):
        """Return (date_start, date_end) using separate year and month fields."""
        self.ensure_one()  # make sure it's called on a single record

        year_str = period_year or ''
        month_str = period_month or ''

        # Validate both fields exist
        if not (year_str.isdigit() and month_str.isdigit()):
            return None, None

        year = int(year_str)
        month = int(month_str)

        # First day of this month
        dt_start = date(year, month, 1)

        # Compute first day of next month
        if month == 12:
            next_month = date(year + 1, 1, 1)
        else:
            next_month = date(year, month + 1, 1)

        # Last day = one day before next month's first day
        dt_end = next_month - timedelta(days=1)

        return dt_start, dt_end

    def generate_commission_from_generate_ledger(self):
        if self.commission_internal_line:
            raise UserError('Harus hapus semua line jika ingin generate ulang')
        if not self.month:
            raise UserError('Commission Month harus diisi')
        if not self.year:
            raise UserError('Commission Year harus diisi')

        dt_start, dt_end = self._get_period_range(self.year, self.month)

        account_bank_ids = self._get_commission_internal_bank_account_ids()
        query = [
            ('move_id.state', '=', 'posted'),
            ('account_id', 'in', account_bank_ids),
            ('date', '>=', dt_start),
            ('date', '<=', dt_end)
        ]
        ledgers = self.env['account.move.line'].search(query)
        count = 0
        for ledger in ledgers:
            _logger.info("Read General Ledger Account Move Line %s" % ledger.id)
            self.env['commission.internal.line'].create([{
                'commission_internal_id': self.id,
                'date': ledger.date,
                'number': ledger.move_id.name,
                'account_move_id': ledger.move_id.id,
                'account_move_line_id': ledger.id,
                'account_id': ledger.account_id.id,
                'label': ledger.name,
                'debit': ledger.debit,
                'credit': ledger.credit,
                'balance': ledger.balance
            }])
            count += 1
        _logger.info("Commission Internal Line generated %s" % count)


class CommissionInternalLine(models.Model):
    _name = 'commission.internal.line'
    _description = 'Line'
    _order = 'number asc, id'

    commission_internal_id = fields.Many2one('commission.internal', string='Internal Ref', required=True,
                                             ondelete='cascade', index=True, copy=False)
    date = fields.Date(string='Date')
    number = fields.Char(string='Number')
    account_move_id = fields.Many2one('account.move', string='Account Move')
    account_move_line_id = fields.Many2one('account.move.line', string='Account Move Line')
    account_id = fields.Many2one('account.account', string='Account')
    label = fields.Char(string='Label')
    debit = fields.Float(string='Debit')
    credit = fields.Float(string='Credit')
    balance = fields.Float(string='Balance')
    ongkir = fields.Float(string='Ongkir')
    refund = fields.Float(string='Refund')
    pph = fields.Float(string='PPh23')
    others = fields.Float(string='Others')
    linenetamt = fields.Float(string='Net Amount')
    dpp = fields.Float(string='DPP')
    status = fields.Char(string='Status')