from odoo import models, api, fields, _
from odoo.exceptions import UserError
from datetime import date, datetime, timedelta
# import datetime
import logging
_logger = logging.getLogger(__name__)
from terbilang import Terbilang
import pytz
from pytz import timezone


class DownPayment(models.Model):
    _name = 'down.payment'
    _description = 'Down Payment Management'
    _rec_name = 'number'
    _inherit = ['mail.thread']

    user_id = fields.Many2one('res.users', string='Diajukan Oleh', default=lambda self: self.env.user, tracking=3)
    partner_id = fields.Many2one('res.partner', string='Partner', related='user_id.partner_id', readonly=True)

    number = fields.Char(string='No. Dokumen', default='New Draft', tracking=3)

    applicant_name = fields.Char(string='Nama Pemohon', tracking=3, required=True)
    nominal = fields.Float(string='Nominal', tracking=3, required=True)

    bank_name = fields.Char(string='Bank', tracking=3, required=True)
    account_name = fields.Char(string='Nama Account', tracking=3, required=True)
    bank_account = fields.Char(string='No. Rekening', tracking=3, required=True)
    detail_note = fields.Text(string='Keterangan Penggunaan Rinci', tracking=3)

    estimated_return_date = fields.Date(
        string='Estimasi Batas Durasi Pengajuan'
    )

    days_remaining = fields.Integer(
        string='Due Date',
        compute='_compute_days_remaining',
    )

    status = fields.Selection([
        ('draft', 'Draft'),
        ('pengajuan1', 'Menunggu Approval Departement'),
        ('pengajuan2', 'Menunggu Pengecekan AP'),
        ('pengajuan3', 'Menunggu Approval Pimpinan'),
        ('approved', 'Approved'),
        ('reject', 'Rejected')
    ], string='Status', default='draft', tracking=3, index=True, track_visibility='onchange')

    last_status = fields.Selection([
        ('draft', 'Draft'),
        ('pengajuan1', 'Menunggu Approval Departement'),
        ('pengajuan2', 'Menunggu Pengecekan AP'),
        ('pengajuan3', 'Menunggu Approval Pimpinan'),
        ('approved', 'Approved'),
        ('reject', 'Rejected')
    ], string='Status')

    status_pay_down_payment = fields.Selection([
        ('pending', 'Pending'),
        ('payment', 'Payment'),
    ], string='Status Pembayaran', default='pending', tracking=3)

    name_approval_departement = fields.Char(string='Approval Departement')
    name_approval_ap = fields.Char(string='Approval AP')
    name_approval_pimpinan = fields.Char(string='Approval Pimpinan')

    departement_type = fields.Selection([
        ('sales', 'Sales'), 
        ('merchandiser', 'Merchandiser'), 
        ('marketing', 'Marketing'), 
        ('logistic', 'Logistic'), 
        ('procurement', 'Procurement'),
        ('fat', 'FAT'), 
        ('hr_ga', 'HR & GA'),
    ], string='Departement Type', tracking=3, required=True)

    attachment_file_image = fields.Binary(string='Attachment Image', attachment_filename='attachment_filename_image')
    attachment_file_pdf = fields.Binary(string='Attachment PDF', attachment_filename='attachment_filename_pdf')
    attachment_filename_image = fields.Char(string='Filename Image')
    attachment_filename_pdf = fields.Char(string='Filename PDF')

    attachment_type = fields.Selection([
        ('pdf', 'PDF'),
        ('image', 'Image'),
    ], string="Attachment Type", default='pdf')

    move_id = fields.Many2one('account.move', string='Journal Entries', domain=[('move_type', '=', 'entry')])
    is_cab_visible = fields.Boolean(string='Is Journal Uang Muka Visible', compute='_compute_is_cab_visible')

    @api.depends('move_id.state')
    def _compute_is_cab_visible(self):
        for rec in self:
            move = rec.move_id
            rec.is_cab_visible = bool(move and move.state == 'posted')

    def action_view_journal_uangmuka(self):
        self.ensure_one()
        if not self.move_id:
            raise UserError("Journal Uang Muka belum tersedia.")

        return {
            'name': 'Journal Entry',
            'view_mode': 'form',
            'res_model': 'account.move',
            'type': 'ir.actions.act_window',
            'res_id': self.move_id.id,
            'target': 'current',
        }

    @api.onchange('attachment_type')
    def _onchange_attachment_type(self):
        self.attachment_file_image = False
        self.attachment_filename_image = False
        self.attachment_file_pdf = False
        self.attachment_filename_pdf = False

    # Sales & MD : Darren ID 19
    # Marketing : Iwan ID 216
    # Logistic & Procurement : Rafly H ID 21
    # FAT : Stephan ID 28
    # HR & GA : Akbar ID 7 / Pimpinan
    # ---------------------------------------
    # AP : Manzila (Finance) ID 23

    def _get_departement_approver(self):
        mapping = {
            'sales': 19,
            'merchandiser': 19,
            'marketing': 216,
            'logistic': 21,
            'procurement': 21,
            'fat': 28,
            'hr_ga': 7,
        }
        return mapping.get(self.departement_type)

    def action_realisasi_pum(self):
        self.ensure_one()

        realization = self.env['realization.down.payment'].search([('pum_id', '=', self.id)], limit=1)
        
        if realization:
            return {
                'type': 'ir.actions.act_window',
                'name': 'Realisasi PUM',
                'res_model': 'realization.down.payment',
                'view_mode': 'form',
                'target': 'current',
                'res_id': realization.id,
            }
        else:
            return {
                'type': 'ir.actions.act_window',
                'name': 'Realisasi PUM',
                'res_model': 'realization.down.payment',
                'view_mode': 'form',
                'target': 'current',
                'context': {
                    'default_pum_id': self.id,
                    'default_value_down_payment': self.nominal,
                    'default_name': f'Realisasi - {self.number or ""}',
                    'default_pemberian_line_ids': [
                        (0, 0, {
                            'date': self.create_date.date() if self.create_date else fields.Date.today(),
                            'description': 'Uang Muka',
                            'value': self.nominal
                        })
                    ]
                }
            }


    def action_confirm_payment(self):
        for rec in self:
            if not rec.attachment_file_image and not rec.attachment_file_pdf:
                raise UserError('Tidak bisa konfirmasi pembayaran karena belum ada bukti attachment (PDF/Image).')
            
            rec.status_pay_down_payment = 'payment'


    # def action_approval_check(self):
    #     for record in self:
    #         # user = record.user_id
    #         user = self.env['res.users'].browse(3401)
    #         roles = sorted(set(
    #             f"{group
    #             .name} (Category: {group.category_id.name})"
    #             for group in user.groups_id
    #             if group.category_id.name == 'Roles'
    #         ))
    #         _logger.info(f"[ROLE CHECK] User: {user.name} (Login: {user.login}) Roles: {roles}")
    #     return

    def action_approval_check(self):
        for rec in self:
            approver_id = rec._get_departement_approver()
            if rec.status == 'pengajuan1':
                if self.env.user.id != approver_id:
                    raise UserError("Hanya approver departement yang berhak menyetujui tahap ini.")
                rec.name_approval_departement = self.env.user.name
                rec.status = 'pengajuan2'

            elif rec.status == 'pengajuan2':
                if self.env.user.id != 23:  # ID user AP
                    raise UserError("Hanya AP yang berhak menyetujui tahap ini.")
                rec.name_approval_ap = self.env.user.name
                rec.status = 'pengajuan3'

            elif rec.status == 'pengajuan3':
                if self.env.user.id != 7:  # ID user Pimpinan
                    raise UserError("Hanya Pimpinan yang berhak menyetujui tahap ini.")
                rec.name_approval_pimpinan = self.env.user.name
                rec.status = 'approved'

            else:
                raise UserError("Status saat ini tidak bisa di-approve lagi.")

            rec.message_post(body=f"Approval oleh {self.env.user.name} pada tahap {rec.status}")


    def action_reject(self):
        # Logic untuk konfirmasi pembayaran
        return
        
    def action_draft(self):
        for record in self:
            record.status = record.last_status if record.last_status else 'draft' 
        return

    def action_ap_only(self):
        # if self.env.user.id != 23:
        #     raise UserError('Hanya User AP yang dapat menggunakan ini.')
        return {
            'name': 'Create CAB AP Only',
            'type': 'ir.actions.act_window',
            'res_model': 'down.payment.ap.only',
            'view_mode': 'form',
            'target': 'new',
            'context': {
                'default_nominal': self.nominal,
                'default_down_payment_id': self.id,
            }
        }


    @api.depends('create_date')
    def _compute_days_remaining(self):
        today = date.today()
        for rec in self:
            if rec.create_date:
                due_date = rec.create_date.date() + timedelta(days=7)
                rec.days_remaining = (due_date - today).days
            else:
                rec.days_remaining = 0

    @api.model
    def create(self, vals):
        if not vals.get('number') or vals['number'] == 'New Draft':
            vals['number'] = self.env['ir.sequence'].next_by_code('down.payment') or 'New Draft'
        if not vals.get('estimated_return_date'):
            vals['estimated_return_date'] = date.today() + timedelta(days=7)
        vals['status'] = 'pengajuan1'
        return super(DownPayment, self).create(vals)


class RealizationDownPaymentLine(models.Model):
    _name = 'realization.down.payment.line'
    _description = 'Rincian Pemberian PUM'

    realization_id = fields.Many2one('realization.down.payment', string='Realization')
    date = fields.Date(string='Tanggal', required=True, default=fields.Date.today)
    description = fields.Char(string='Description', required=True)
    value = fields.Float(string='Nilai', required=True)


class RealizationDownPaymentUseLine(models.Model):
    _name = 'realization.down.payment.use.line'
    _description = 'Rincian Penggunaan PUM'

    realization_id = fields.Many2one('realization.down.payment', string='Realization')
    date = fields.Date(string='Tanggal', required=True, default=fields.Date.today)
    description = fields.Char(string='Description', required=True)
    nominal = fields.Float(string='Nominal', required=True)
    done_attachment = fields.Boolean(string='Checked', default=False)

    attachment_type = fields.Selection([
        ('pdf', 'PDF'),
        ('image', 'Image'),
    ], string="Attachment Type", default='pdf')

    attachment_file_image = fields.Binary(string='Attachment Image', attachment_filename='attachment_filename_image')
    attachment_file_pdf = fields.Binary(string='Attachment PDF', attachment_filename='attachment_filename_pdf')
    attachment_filename_image = fields.Char(string='Filename Image')
    attachment_filename_pdf = fields.Char(string='Filename PDF')

    account_id = fields.Many2one(
        'account.account', string='Jenis Biaya', required=True,
        domain="[('id', 'in', [484, 486, 488, 506, 507, 625, 471, 519, 527, 528, 529, 530, 565])]" # ID Jenis Biaya yang dibutuhkan
    )

    @api.onchange('account_id')
    def _onchange_account_id(self):
        for rec in self:
            if rec.account_id:
                rec.description = rec.account_id.name + " - "

    @api.onchange('attachment_type')
    def _onchange_attachment_type(self):
        self.attachment_file_image = False
        self.attachment_filename_image = False
        self.attachment_file_pdf = False
        self.attachment_filename_pdf = False

    @api.onchange('done_attachment')
    def _onchange_done_attachment(self):
        if self.done_attachment and self.env.user.id != 23:
            self.done_attachment = False
            return {
                'warning': {
                    'title': _('Tidak Diizinkan'),
                    'message': _('Hanya user AP yang bisa mencentang Done Attachment.')
                }
            }

class RealizationDownPayment(models.Model):
    _name = 'realization.down.payment'
    _description = 'Realization Down Payment Management'
    _inherit = ['mail.thread']

    pum_id = fields.Many2one('down.payment', string='No PUM')
    name = fields.Char(string='Nama', readonly=True, tracking=3)
    title = fields.Char(string='Judul', tracking=3)
    goals = fields.Text(string='Tujuan', tracking=3)
    related = fields.Char(string='Terkait', tracking=3,)

    pemberian_line_ids = fields.One2many(
        'realization.down.payment.line', 'realization_id', string='Rincian Pemberian'
    )
    penggunaan_line_ids = fields.One2many(
        'realization.down.payment.use.line', 'realization_id', string='Rincian Penggunaan'
    )

    grand_total = fields.Float(string='Grand Total Pemberian', tracking=3, compute='_compute_grand_total')
    grand_total_use = fields.Float(string='Grand Total Penggunaan', tracking=3, compute='_compute_grand_total_use')
    value_down_payment = fields.Float(string='PUM', tracking=3)
    remaining_value = fields.Float(string='Sisa Uang PUM', tracking=3, compute='_compute_remaining_value')

    note_approval = fields.Text(string='Note Persetujuan', tracking=3)

    status = fields.Selection([
        ('draft', 'Draft'),
        ('pengajuan1', 'Menunggu Approval Departement'),
        ('pengajuan2', 'Menunggu Pengecekan AP'),
        ('pengajuan3', 'Menunggu Approval Pimpinan'),
        ('approved', 'Approved'),
        ('reject', 'Rejected')
    ], string='Status', default='draft', tracking=3, index=True, track_visibility='onchange')

    last_status = fields.Selection([
        ('draft', 'Draft'),
        ('pengajuan1', 'Menunggu Approval Departement'),
        ('pengajuan2', 'Menunggu Pengecekan AP'),
        ('pengajuan3', 'Menunggu Approval Pimpinan'),
        ('approved', 'Approved'),
        ('reject', 'Rejected')
    ], string='Status')

    done_status = fields.Selection([
        ('remaining', 'Remaining'),
        ('done_not_realized', 'Done Not Realized'),
        ('done_realized', 'Done Realized')
    ], string='Status Realisasi', tracking=3, default='remaining')

    currency_id = fields.Many2one(
        'res.currency', string='Currency',
        default=lambda self: self.env.company.currency_id
    )

    attachment_file_image = fields.Binary(string='Attachment Image', attachment_filename='attachment_filename_image')
    attachment_file_pdf = fields.Binary(string='Attachment PDF', attachment_filename='attachment_filename_pdf')
    attachment_filename_image = fields.Char(string='Filename Image')
    attachment_filename_pdf = fields.Char(string='Filename PDF')

    attachment_type = fields.Selection([
        ('pdf', 'PDF'),
        ('image', 'Image'),
    ], string="Attachment Type", default='pdf')

    move_id = fields.Many2one('account.move', string='Journal Entries', domain=[('move_type', '=', 'entry')])
    is_cab_visible = fields.Boolean(string='Is Journal Uang Muka Visible', compute='_compute_is_cab_visible')

    @api.depends('move_id.state')
    def _compute_is_cab_visible(self):
        for rec in self:
            move = rec.move_id
            rec.is_cab_visible = bool(move and move.state == 'posted')

    def action_view_journal_uangmuka(self):
        self.ensure_one()
        if not self.move_id:
            raise UserError("Journal Uang Muka belum tersedia.")

        return {
            'name': 'Journal Entry',
            'view_mode': 'form',
            'res_model': 'account.move',
            'type': 'ir.actions.act_window',
            'res_id': self.move_id.id,
            'target': 'current',
        }


    @api.onchange('attachment_type')
    def _onchange_attachment_type(self):
        self.attachment_file_image = False
        self.attachment_filename_image = False
        self.attachment_file_pdf = False
        self.attachment_filename_pdf = False

    @api.depends('pemberian_line_ids.value')
    def _compute_grand_total(self):
        for rec in self:
            rec.grand_total = sum(line.value for line in rec.pemberian_line_ids)

    @api.depends('penggunaan_line_ids.nominal')
    def _compute_grand_total_use(self):
        for rec in self:
            rec.grand_total_use = sum(line.nominal for line in rec.penggunaan_line_ids)

    @api.depends('grand_total', 'grand_total_use')
    def _compute_remaining_value(self):
        for rec in self:
            rec.remaining_value = rec.value_down_payment - rec.grand_total_use

    def action_validation(self):
        self.ensure_one()
        
        # Validasi hanya AP yang bisa validasi
        if self.env.user.id != 23:
            raise UserError('Hanya AP yang dapat melakukan validasi realisasi.')

        if self.done_status == 'remaining':
            self.done_status = 'done_not_realized'
        elif self.done_status == 'done_not_realized':
            self.done_status = 'done_realized'
        else:
            raise UserError('Realisasi sudah berstatus Done Realized.')

        # Opsional: Tambah log di chatter
        self.message_post(body=f"Status realisasi diperbarui menjadi <b>{dict(self._fields['done_status'].selection).get(self.done_status)}</b> oleh {self.env.user.name}.")

    def action_cab(self):
        self.ensure_one()

        if not self.pum_id or not self.pum_id.move_id:
            raise UserError("PUM terkait atau CAB belum tersedia.")

        partner_id = self.pum_id.user_id.partner_id.id
        cab_move = self.pum_id.move_id

        # Account Bank Intransit dari CAB: 
        bank_intransit_line = cab_move.line_ids.filtered(lambda l: l.account_id.id in [573, 389, 392])
        if not bank_intransit_line:
            raise UserError("Account Bank Intransit dengan tidak ditemukan di CAB terkait.")
        account_sisa_pum = bank_intransit_line[0].account_id.id

        # Account Uang Muka Operasional
        account_uang_muka = 403

        # Tanggal pakai create_date atau hari ini
        account_date = self.create_date.date() if self.create_date else fields.Date.today()

        ref_label = f"Realisasi {self.pum_id.number} Biaya {self.pum_id.detail_note} ({cab_move.name})"

        label_sisa_pum = f"Sisa PUM {self.pum_id.detail_note} {self.pum_id.number} ({cab_move.name})"

        lines = []

        # Sisa PUM (Debit)
        if self.remaining_value > 0:
            lines.append((0, 0, {
                'account_id': account_sisa_pum,
                'partner_id': partner_id,
                'name': label_sisa_pum,
                'debit': self.remaining_value,
                'credit': 0,
            }))

        # Biaya Penggunaan (Debit)
        total_biaya = 0
        for line in self.penggunaan_line_ids:
            lines.append((0, 0, {
                'account_id': line.account_id.id,
                'partner_id': partner_id,
                'name': f"{line.description} ({line.date})",
                'debit': line.nominal,
                'credit': 0,
            }))
            total_biaya += line.nominal

        # Uang Muka Operasional (Credit)
        total_credit = self.remaining_value + total_biaya
        if total_credit > 0:
            lines.append((0, 0, {
                'account_id': account_uang_muka,
                'partner_id': partner_id,
                'name': ref_label,
                'debit': 0,
                'credit': total_credit,
            }))

        move = self.env['account.move'].create({
            'ref': ref_label,
            'date': account_date,
            'journal_id': 11,  # MISC
            'line_ids': lines,
        })

        # self.message_post(body=f"Jurnal CAB telah dibuat dengan nomor: <b>{move.name}</b>.")

        self.move_id = move.id

        return {
            'name': _('Journal Entry'),
            'view_mode': 'form',
            'res_model': 'account.move',
            'type': 'ir.actions.act_window',
            'res_id': move.id,
            'target': 'current',
        }

class DownPaymentApOnly(models.TransientModel):
    _name = 'down.payment.ap.only'
    _description = 'Create CAB from Down Payment for AP Only'

    down_payment_id = fields.Many2one('down.payment', string='Down Payment', required=True)
    account_id = fields.Many2one(
        'account.account', string='Bank Intransit', required=True,
        domain="[('id', 'in', [573, 389, 392])]" # ID Bank Intransit
    )
    nominal = fields.Float(string='Nominal', related='down_payment_id.nominal')

    def action_create_cab(self):
        self.ensure_one()

        # if self.env.user.id != 23:
        #     raise UserError('Hanya AP yang dapat menggunakan ini.')

        dp = self.down_payment_id
        partner_id = dp.user_id.partner_id.id

        ref_label = f'{dp.number} - Biaya {dp.detail_note or "-"}'

        move = self.env['account.move'].create({
            'ref': ref_label,
            'date': fields.Date.context_today(self),
            'journal_id': 11,  # Cash & Bank
            'line_ids': [
                (0, 0, {
                    'account_id': 403,  # Uang Muka Operasional
                    'partner_id': partner_id,
                    'name': ref_label,
                    'debit': dp.nominal,
                    'credit': 0,
                }),
                (0, 0, {
                    'account_id': self.account_id.id,  # Bank Intransit yang dipilih
                    'partner_id': partner_id,
                    'name': ref_label,
                    'debit': 0,
                    'credit': dp.nominal,
                })
            ]
        })

        dp.move_id = move.id  # jika ada field untuk menampung move_id

        return {
            'name': _('Journal Entry'),
            'view_mode': 'form',
            'res_model': 'account.move',
            'type': 'ir.actions.act_window',
            'res_id': move.id,
            'target': 'current',
        }