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

_logger = logging.getLogger(__name__)


class BillReceipt(models.Model):
    _name = 'bill.receipt'
    _description = 'Bill Receipt'
    _order = 'bill_date desc, id desc'

    number = fields.Char(string='Document No', index=True, copy=False, readonly=True)
    bill_date = fields.Date(string='Bill Date', required=True)
    partner_id = fields.Many2one(
        'res.partner', string='Vendor',
        required=True, change_default=True, index=True, tracking=1)
    bill_line = fields.One2many('bill.receipt.line', 'bill_id', string='Bill Receipt Lines', auto_join=True)
    # dunning_level = fields.Integer(string='Bill Level', default=30, help='30 hari sebelum jatuh tempo invoice')
    date_kirim_tukar_faktur = fields.Date(string='Kirim Faktur')
    resi_tukar_faktur = fields.Char(string='Resi Faktur')
    date_terima_tukar_faktur = fields.Date(string='Terima Faktur')
    shipper_faktur_id = fields.Many2one('delivery.carrier', string='Shipper Faktur')
    is_validated = fields.Boolean(string='Validated')   
    notification = fields.Char(string='Notification')
    grand_total = fields.Float(string='Grand Total', compute="_compute_grand_total")

    def _compute_grand_total(self):
        for record in self:
            grand_total = 0
            for line in record.bill_line:
                grand_total += line.total_amt
            record.grand_total = grand_total

    def copy_date_faktur(self):
        if not self.is_validated:
            raise UserError('Harus di validate dulu')
        for line in self.bill_line:
            invoice = line.invoice_id
            if not invoice.date_kirim_tukar_faktur and self.date_kirim_tukar_faktur:
                invoice.date_kirim_tukar_faktur = self.date_kirim_tukar_faktur
                tukar_date = self.date_kirim_tukar_faktur
                term = invoice.invoice_payment_term_id
                add_days = 0
                for line in term.line_ids:
                    add_days += line.days
                due_date = tukar_date + timedelta(days=add_days)
                invoice.invoice_date_due = due_date
            if not invoice.resi_tukar_faktur:
                invoice.resi_tukar_faktur = self.resi_tukar_faktur
            if not invoice.date_terima_tukar_faktur and self.date_terima_tukar_faktur:
                invoice.date_terima_tukar_faktur = self.date_terima_tukar_faktur
                tukar_date = self.date_terima_tukar_faktur
                term = invoice.invoice_payment_term_id
                add_days = 0
                for line in term.line_ids:
                    add_days += line.days
                due_date = tukar_date + timedelta(days=add_days)
                invoice.invoice_date_due = due_date
            if not invoice.shipper_faktur_id:
                invoice.shipper_faktur_id = self.shipper_faktur_id
        self.notification = 'Berhasil copy tanggal terima faktur ke setiap invoice %s' % self.date_terima_tukar_faktur

    def validate_bill(self):
        if not self.bill_line:
            raise UserError('Bill Line masih kosong, generate dulu')
        else:
            self.is_validated = True
            self.notification = 'Jangan lupa klik Copy Date jika sudah ada tanggal kirim / tanggal terima faktur'

    def generate_bill_line(self):
        if self.is_validated:
            raise UserError('Sudah di validate, tidak bisa digenerate ulang')
        if self.bill_line:
            raise UserError('Harus hapus semua line jika ingin generate ulang')
        if self.partner_id.parent_id:
            raise UserError('Harus pilih parent company')

        partners = []
        partners += self.partner_id.child_ids
        partners.append(self.partner_id)

        for partner in partners:
            query = [
                ('move_type', '=', 'in_invoice'),
                ('state', '=', 'posted'),
                ('partner_id', '=', partner.id),
                ('payment_state', '=', 'not_paid'),
                ('date_kirim_tukar_faktur', '=', False),
            ]
            invoices = self.env['account.move'].search(query, order='invoice_date')
            count = 0
            for invoice in invoices:
                self.env['bill.receipt.line'].create([{
                    'bill_id': self.id,
                    'partner_id': invoice.partner_id.id,
                    'invoice_id': invoice.id,
                    'date_invoice': invoice.invoice_date,
                    'reference': invoice.ref,
                    'total_amt': invoice.amount_total,
                    'open_amt': invoice.amount_residual_signed,
                    'due_date': invoice.invoice_date_due
                }])
                count += 1
            _logger.info("Bill Line generated %s" % count)

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


class BillReceiptLine(models.Model):
    _name = 'bill.receipt.line'
    _description = 'Bill Receipt Line'
    _order = 'bill_id, id'

    bill_id = fields.Many2one('bill.receipt', string='Bill Ref', required=True, ondelete='cascade', index=True, copy=False)
    partner_id = fields.Many2one('res.partner', string='Customer')
    invoice_id = fields.Many2one('account.move', string='Invoice')
    date_invoice = fields.Date(string='Invoice Date')
    reference = fields.Char(string='Reference')
    total_amt = fields.Float(string='Total Amount')
    open_amt = fields.Float(string='Open Amount')
    due_date = fields.Date(string='Due Date')