from odoo import api, fields, models, _
from odoo.exceptions import UserError
from datetime import datetime
from odoo.http import request

import logging

_logger = logging.getLogger(__name__)


class InvoiceReklas(models.TransientModel):
    _name = 'invoice.reklas'
    _description = "digunakan untuk reklas Uang Muka Penjualan"
    reklas_id = fields.Many2one('account.move', string='Nomor CAB', domain="[('move_type','=','entry')]")
    pay_amt = fields.Float(string='Yang dibayarkan')
    reklas_type = fields.Selection([
        ('penjualan', 'Penjualan'),
        ('pembelian', 'Pembelian'),
    ], string='Reklas Tipe')

    @api.onchange('reklas_type')
    def _onchange_reklas_type(self):
        active_ids = self._context.get('active_ids', [])
        if not active_ids:
            return

        move = self.env['account.move'].browse(active_ids[0])
        cab = False

        # Deteksi dari mana asal CAB
        if move.move_type == 'entry':
            cab = move
        elif move.move_type == 'in_invoice':
            if move.reklas_misc_id:
                cab = move.reklas_misc_id
            elif move.purchase_id and move.purchase_id.move_id:
                cab = move.purchase_id.move_id

        # Isi field Nomor CAB jika ditemukan
        if cab:
            self.reklas_id = cab.id

        # Nilai yang dibayarkan harus tetap ambil dari invoice/bill
        self.pay_amt = move.amount_total


    @api.model
    def default_get(self, fields):
        res = super().default_get(fields)
        active_ids = self._context.get('active_ids', [])
        if active_ids:
            move = self.env['account.move'].browse(active_ids[0])
            cab = False

            if move.move_type == 'entry':
                cab = move
            elif move.move_type == 'in_invoice':
                if move.reklas_misc_id:
                    cab = move.reklas_misc_id
                elif move.purchase_id and move.purchase_id.move_id:
                    cab = move.purchase_id.move_id

            if cab:
                res['reklas_id'] = cab.id

            res['pay_amt'] = move.amount_total
        return res


    # @api.onchange('reklas_type')
    # def _onchange_reklas_type(self):
    #     if self.reklas_type == 'penjualan':
    #         invoices = self.env['account.move'].browse(self._context.get('active_ids', []))
    #         self.pay_amt = invoices.amount_total

    def compare_amount_uangmuka_reklas(self):
        if self.reklas_type == 'penjualan':
            invoices = self.env['account.move'].browse(self._context.get('active_ids', []))
            if invoices.uangmuka == True:
                uangmuka = invoices.amount_total
                reklas = self.env['account.move'].search([
                    ('sale_id', '=', invoices.sale_id.id),
                    ('move_type', '=', 'entry'),
                    ('reklas', '=', True),
                    ('state', '=', 'posted')
                ])

                reklas_uangmuka = sum(reklas.mapped('amount_total_signed')) or 0
                total_reklas = reklas_uangmuka + self.pay_amt
                if total_reklas > uangmuka:
                    raise UserError('Total reklas tidak boleh melebihi total uang muka')
                    
    def create_reklas(self):
        if not self.reklas_type:
            raise UserError('Reklas Tipe harus diisi')
        if not self.reklas_id:
            raise UserError('Nomor CAB harus diisi')
        
        self.compare_amount_uangmuka_reklas()

        invoices = self.env['account.move'].browse(self._context.get('active_ids', []))
        current_time = datetime.now()

        for invoice in invoices:    
            # Ambil nama PO jika ada
            po_name = invoice.purchase_id.name if invoice.purchase_id else ''

            # Susun nama referensi dengan aman
            ref_name = 'REKLAS {} UANG MUKA {}{}{} {}'.format(
                self.reklas_id.name or '',
                'PENJUALAN' if self.reklas_type == 'penjualan' else 'PEMBELIAN',
                f" {invoice.name}" if invoice.name != self.reklas_id.name else '',
                f" - {po_name}" if po_name else '',
                invoice.partner_id.name or ''
            )

            # Header jurnal reklas
            parameters_header = {
                'ref': ref_name,
                'date': current_time,
                'journal_id': 19,
                'sale_id': invoice.sale_id.id,
                'reklas': True,
            }

            if invoice.purchase_id:
                parameters_header['purchase_id'] = invoice.purchase_id.id

            account_move = request.env['account.move'].create([parameters_header])
            _logger.info('Success Reklas with %s' % account_move.name)

            # ✅ Set Bill asal sebagai source document
            if invoice.move_type == 'in_invoice':
                account_move.bill_id = invoice.id
            
            # Tambahkan info asal invoice ke jurnal (opsional)
            account_move.invoice_origin = invoice.name

            # Simpan hubungan balik ke invoice
            invoice.reklas_misc_id = account_move.id

            # Buat line debit dan kredit
            if self.reklas_type == 'penjualan':
                parameter_debit = {
                    'move_id': account_move.id,
                    'account_id': 578,  # penerimaan belum alokasi
                    'partner_id': invoice.line_ids[0].partner_id.id,
                    'currency_id': 12,
                    'debit': self.pay_amt,
                    'credit': 0,
                    'name': ref_name
                }
                parameter_credit = {
                    'move_id': account_move.id,
                    'account_id': 347,
                    'partner_id': invoice.line_ids[0].partner_id.id,
                    'currency_id': 12,
                    'debit': 0,
                    'credit': self.pay_amt,
                    'name': ref_name
                }
            else:  # pembelian
                parameter_debit = {
                    'move_id': account_move.id,
                    'account_id': 388,
                    'partner_id': invoice.line_ids[0].partner_id.id,
                    'currency_id': 12,
                    'debit': self.pay_amt,
                    'credit': 0,
                    'name': ref_name
                }
                parameter_credit = {
                    'move_id': account_move.id,
                    'account_id': 579,
                    'partner_id': invoice.line_ids[0].partner_id.id,
                    'currency_id': 12,
                    'debit': 0,
                    'credit': self.pay_amt,
                    'name': ref_name
                }

            # Simpan journal lines
            request.env['account.move.line'].create([parameter_debit, parameter_credit])

            # Tampilkan hasil jurnal reklas
            return {
                'name': _('Journal Entries'),
                'view_mode': 'form',
                'res_model': 'account.move',
                'target': 'current',
                'view_id': False,
                'type': 'ir.actions.act_window',
                'res_id': account_move.id
            }