# Part of Odoo. See LICENSE file for full copyright and licensing details.

from odoo import _, api, fields, models
from odoo.exceptions import UserError, ValidationError, RedirectWarning

COUNTRY_CODE_MAP = {
    "BD": "BGD", "BE": "BEL", "BF": "BFA", "BG": "BGR", "BA": "BIH", "BB": "BRB", "WF": "WLF", "BL": "BLM", "BM": "BMU",
    "BN": "BRN", "BO": "BOL", "BH": "BHR", "BI": "BDI", "BJ": "BEN", "BT": "BTN", "JM": "JAM", "BV": "BVT", "BW": "BWA",
    "WS": "WSM", "BQ": "BES", "BR": "BRA", "BS": "BHS", "JE": "JEY", "BY": "BLR", "BZ": "BLZ", "RU": "RUS", "RW": "RWA",
    "RS": "SRB", "TL": "TLS", "RE": "REU", "TM": "TKM", "TJ": "TJK", "RO": "ROU", "TK": "TKL", "GW": "GNB", "GU": "GUM",
    "GT": "GTM", "GS": "SGS", "GR": "GRC", "GQ": "GNQ", "GP": "GLP", "JP": "JPN", "GY": "GUY", "GG": "GGY", "GF": "GUF",
    "GE": "GEO", "GD": "GRD", "GB": "GBR", "GA": "GAB", "SV": "SLV", "GN": "GIN", "GM": "GMB", "GL": "GRL", "GI": "GIB",
    "GH": "GHA", "OM": "OMN", "TN": "TUN", "JO": "JOR", "HR": "HRV", "HT": "HTI", "HU": "HUN", "HK": "HKG", "HN": "HND",
    "HM": "HMD", "VE": "VEN", "PR": "PRI", "PS": "PSE", "PW": "PLW", "PT": "PRT", "SJ": "SJM", "PY": "PRY", "IQ": "IRQ",
    "PA": "PAN", "PF": "PYF", "PG": "PNG", "PE": "PER", "PK": "PAK", "PH": "PHL", "PN": "PCN", "PL": "POL", "PM": "SPM",
    "ZM": "ZMB", "EH": "ESH", "EE": "EST", "EG": "EGY", "ZA": "ZAF", "EC": "ECU", "IT": "ITA", "VN": "VNM", "SB": "SLB",
    "ET": "ETH", "SO": "SOM", "ZW": "ZWE", "SA": "SAU", "ES": "ESP", "ER": "ERI", "ME": "MNE", "MD": "MDA", "MG": "MDG",
    "MF": "MAF", "MA": "MAR", "MC": "MCO", "UZ": "UZB", "MM": "MMR", "ML": "MLI", "MO": "MAC", "MN": "MNG", "MH": "MHL",
    "MK": "MKD", "MU": "MUS", "MT": "MLT", "MW": "MWI", "MV": "MDV", "MQ": "MTQ", "MP": "MNP", "MS": "MSR", "MR": "MRT",
    "IM": "IMN", "UG": "UGA", "TZ": "TZA", "MY": "MYS", "MX": "MEX", "IL": "ISR", "FR": "FRA", "IO": "IOT", "SH": "SHN",
    "FI": "FIN", "FJ": "FJI", "FK": "FLK", "FM": "FSM", "FO": "FRO", "NI": "NIC", "NL": "NLD", "NO": "NOR", "NA": "NAM",
    "VU": "VUT", "NC": "NCL", "NE": "NER", "NF": "NFK", "NG": "NGA", "NZ": "NZL", "NP": "NPL", "NR": "NRU", "NU": "NIU",
    "CK": "COK", "XK": "XKX", "CI": "CIV", "CH": "CHE", "CO": "COL", "CN": "CHN", "CM": "CMR", "CL": "CHL", "CC": "CCK",
    "CA": "CAN", "CG": "COG", "CF": "CAF", "CD": "COD", "CZ": "CZE", "CY": "CYP", "CX": "CXR", "CR": "CRI", "CW": "CUW",
    "CV": "CPV", "CU": "CUB", "SZ": "SWZ", "SY": "SYR", "SX": "SXM", "KG": "KGZ", "KE": "KEN", "SS": "SSD", "SR": "SUR",
    "KI": "KIR", "KH": "KHM", "KN": "KNA", "KM": "COM", "ST": "STP", "SK": "SVK", "KR": "KOR", "SI": "SVN", "KP": "PRK",
    "KW": "KWT", "SN": "SEN", "SM": "SMR", "SL": "SLE", "SC": "SYC", "KZ": "KAZ", "KY": "CYM", "SG": "SGP", "SE": "SWE",
    "SD": "SDN", "DO": "DOM", "DM": "DMA", "DJ": "DJI", "DK": "DNK", "VG": "VGB", "DE": "DEU", "YE": "YEM", "DZ": "DZA",
    "US": "USA", "UY": "URY", "YT": "MYT", "UM": "UMI", "LB": "LBN", "LC": "LCA", "LA": "LAO", "TV": "TUV", "TW": "TWN",
    "TT": "TTO", "TR": "TUR", "LK": "LKA", "LI": "LIE", "LV": "LVA", "TO": "TON", "LT": "LTU", "LU": "LUX", "LR": "LBR",
    "LS": "LSO", "TH": "THA", "TF": "ATF", "TG": "TGO", "TD": "TCD", "TC": "TCA", "LY": "LBY", "VA": "VAT", "VC": "VCT",
    "AE": "ARE", "AD": "AND", "AG": "ATG", "AF": "AFG", "AI": "AIA", "VI": "VIR", "IS": "ISL", "IR": "IRN", "AM": "ARM",
    "AL": "ALB", "AO": "AGO", "AQ": "ATA", "AS": "ASM", "AR": "ARG", "AU": "AUS", "AT": "AUT", "AW": "ABW", "IN": "IND",
    "AX": "ALA", "AZ": "AZE", "IE": "IRL", "ID": "IDN", "UA": "UKR", "QA": "QAT", "MZ": "MOZ"
}

TAX_TRANSACTION_CODE = [
    ('01', '01 To the Parties that is not VAT Collector (Regular Customers)'),
    ('02', '02 To the Treasurer'),
    ('03', '03 To other VAT Collectors other than the Treasurer'),
    ('04', '04 Other Value of VAT Imposition Base'),
    ('05', '05 Specified Amount (Article 9A Paragraph (1) VAT Law)'),
    ('06', '06 to individuals holding foreign passports'),
    ('07', '07 Deliveries that the VAT is not Collected'),
    ('08', '08 Deliveries that the VAT is Exempted'),
    ('09', '09 Deliveries of Assets (Article 16D of VAT Law)'),
    ('10', '10 Other deliveries'),
]

class AccountMove(models.Model):
    _inherit = "account.move"

    # Extra selection after choosing l10n_id_kode_transaksi 07
    l10n_id_coretax_add_info_07 = fields.Selection([
        ('TD.00501', '1 - Pajak Pertambahan Nilai Tidak Dipungut berdasarkan PP Nomor 10 Tahun 2012'),
        ('TD.00502', '2 - Pajak Pertambahan Nilai atau Pajak Pertambahan Nilai dan Pajak Penjualan atas Barang Mewah tidak dipungut'),
        ('TD.00503', '3 - Pajak Pertambahan Nilai dan Pajak Penjualan atas Barang Mewah Tidak Dipungut'),
        ('TD.00504', '4 - Pajak Pertambahan Nilai Tidak Dipungut Sesuai PP Nomor 71 Tahun 2012'),
        ('TD.00505', '5 - (Tidak ada Cap)'),
        ('TD.00506', '6 - PPN dan/atau PPnBM tidak dipungut berdasarkan PMK No. 194/PMK.03/2012'),
        ('TD.00507', '7 - PPN Tidak Dipungut Berdasarkan PP Nomor 15 Tahun 2015'),
        ('TD.00508', '8 - PPN Tidak Dipungut Berdasarkan PP Nomor 69 Tahun 2015'),
        ('TD.00509', '9 - PPN Tidak Dipungut Berdasarkan PP Nomor 96 Tahun 2015'),
        ('TD.00510', '10 - PPN Tidak Dipungut Berdasarkan PP Nomor 106 Tahun 2015'),
        ('TD.00511', '11 - PPN Tidak Dipungut Sesuai PP Nomor 50 Tahun 2019'),
        ('TD.00512', '12 - PPN atau PPN dan PPnBM Tidak Dipungut Sesuai Dengan PP Nomor 27 Tahun 2017'),
        ('TD.00513', '13 - PPN ditanggung PEMERINTAH EX PMK 21/PMK.010/21'),
        ('TD.00514', '14 - PPN DITANGGUNG PEMERINTAH EKS PMK 102/PMK.010/2021'),
        ('TD.00515', '15 - PPN DITANGGUNG PEMERINTAH EKS PMK 239/PMK.03/2020'),
        ('TD.00516', '16 - Insentif PPN DITANGGUNG PEMERINTAH EKSEKUSI PMK NOMOR 103/PMK.010/2021'),
        ('TD.00517', '17 - PAJAK PERTAMBAHAN NILAI TIDAK DIPUNGUT BERDASARKAN PP NOMOR 40 TAHUN 2021'),
        ('TD.00518', '18 - PAJAK PERTAMBAHAN NILAI TIDAK DIPUNGUT BERDASARKAN PP NOMOR 41 TAHUN 2021'),
        ('TD.00519', '19 - PPN DITANGGUNG PEMERINTAH EKS PMK 6/PMK.010/2022'),
        ('TD.00520', '20 - PPN DITANGGUNG PEMERINTAH EKSEKUSI PMK NOMOR 226/PMK.03/2021'),
        ('TD.00521', '21 - PPN ATAU PPN DAN PPnBM TIDAK DIPUNGUT SESUAI DENGAN PP NOMOR 53 TAHUN 2017'),
        ('TD.00522', '22 - PPN tidak dipungut berdasarkan PP Nomor 70 Tahun 2021'),
        ('TD.00523', '23 - PPN ditanggung Pemerintah Ex PMK-125/PMK.01/2020'),
        ('TD.00524', '24 - (Tidak ada Cap)'),
        ('TD.00525', '25 - PPN tidak dipungut berdasarkan PP Nomor 49 Tahun 2022'),
        ('TD.00526', '26 - PPN tidak dipungut berdasarkan PP Nomor 12 Tahun 2023'),
        ('TD.00527', '27 - PPN ditanggung Pemerintah berdasarkan PMK Nomor 38 Tahun 2023')],
        compute="_compute_l10n_id_coretax_add_info",
        readonly=False,
        store=True
    )
    l10n_id_coretax_facility_info_07 = fields.Selection([
        ('TD.01101', '1 - untuk Kawasan Bebas'),
        ('TD.01102', '2 - untuk Tempat Penimbunan Berikat'),
        ('TD.01103', '3 - untuk Hibah dan Bantuan Luar Negeri'),
        ('TD.01104', '4 - untuk Avtur'),
        ('TD.01105', '5 - untuk Lainnya'),
        ('TD.01106', '6 - untuk Kontraktor Perjanjian Karya Pengusahaan Pertambangan Batubara Generasi I'),
        ('TD.01107', '7 - untuk Penyerahan bahan bakar minyak untuk Kapal Angkutan Laut Luar Negeri'),
        ('TD.01108', '8 - untuk Penyerahan jasa kena pajak terkait alat angkutan tertentu'), ('TD.01109', '9 - untuk Penyerahan BKP Tertentu di KEK'), ('TD.01110', '10 - untuk BKP tertentu yang bersifat strategis berupa anode slime'), ('TD.01111', '11 - untuk Penyerahan alat angkutan tertentu dan/atau Jasa Kena Pajak terkait alat angkutan tertentu'),
        ('TD.01112', '12 - untuk Penyerahan kepada Kontraktor Kerja Sama Migas yang mengikuti ketentuan Peraturan Pemerintah Nomor 27 Tahun 2017'),
        ('TD.01113', '13 - Penyerahan Rumah Tapak dan Satuan Rumah Susun Rumah Susun Ditanggung Pemerintah Tahun Anggaran 2021'),
        ('TD.01114', '14 - Penyerahan Jasa Sewa Ruangan atau Bangunan Kepada Pedagang Eceran yang Ditanggung Pemerintah Tahun Anggaran 2021'),
        ('TD.01115', '15 - Penyerahan Barang dan Jasa Dalam Rangka Penanganan Pandemi COVID-19 (PMK 239/PMK. 03/2020)'),
        ('TD.01116', '16 - Insentif PMK-103/PMK.010/2021 berupa PPN atas Penyerahan Rumah Tapak dan Unit Hunian Rumah Susun yang Ditanggung Pemerintah Tahun Anggaran 2021'),
        ('TD.01117', '17 - Kawasan Ekonomi Khusus PP nomor 40 Tahun 2021'),
        ('TD.01118', '18 - Kawasan Bebas PP nomor 41 Tahun 2021'),
        ('TD.01119', '19 - Penyerahan Rumah Tapak dan Unit Hunian Rumah Susun yang Ditanggung Pemerintah Tahun Anggaran 2022'),
        ('TD.01120', '20 - PPN Ditanggung Pemerintah dalam rangka Penanganan Pandemi Corona Virus'),
        ('TD.01121', '21 - Penyerahan kepada Kontraktor Kerja Sama Migas yang mengikuti ketentuan Peraturan Pemerintah Nomor 53 Tahun 2017'),
        ('TD.01122', '22 - BKP strategis tertentu dalam bentuk anode slime dan emas butiran'),
        ('TD.01123', '23 - untuk penyerahan kertas koran dan/atau majalah'),
        ('TD.01124', '24 - PPN tidak dipungut oleh Pemerintah lainnya'),
        ('TD.01125', '25 - BKP dan JKP tertentu'),
        ('TD.01126', '26 - Penyerahan BKP dan JKP di Ibu Kota Negara baru'),
        ('TD.01127', '27 - Penyerahan kendaraan listrik berbasis baterai')],
        compute="_compute_l10n_id_coretax_facility_info",
        readonly=False,
        store=True,
    )

    # Extra selection after choosing l10n_id_kode_transaksi 08
    l10n_id_coretax_add_info_08 = fields.Selection([
        ('TD.00501', '1 - PPN Dibebaskan Sesuai PP Nomor 146 Tahun 2000 Sebagaimana Telah Diubah Dengan PP Nomor 38 Tahun 2003'),
        ('TD.00502', '2 - PPN Dibebaskan Sesuai PP Nomor 12 Tahun 2001 Sebagaimana Telah Beberapa Kali Diubah Terakhir Dengan PP Nomor 31 Tahun 2007'),
        ('TD.00503', '3 - PPN dibebaskan berdasarkan Peraturan Pemerintah Nomor 28 Tahun 2009'),
        ('TD.00504', '4 - (Tidak ada cap)'),
        ('TD.00505', '5 - PPN Dibebaskan Sesuai Dengan PP Nomor 81 Tahun 2015'),
        ('TD.00506', '6 - PPN Dibebaskan Berdasarkan PP Nomor 74 Tahun 2015'),
        ('TD.00507', '7 - (tanpa cap)'),
        ('TD.00508', '8 - PPN DIBEBASKAN SESUAI PP NOMOR 81 TAHUN 2015 SEBAGAIMANA TELAH DIUBAH DENGAN PP 48 TAHUN 2020'),
        ('TD.00509', '9 - PPN DIBEBASKAN BERDASARKAN PP NOMOR 47 TAHUN 2020'),
        ('TD.00510', '10 - PPN Dibebaskan berdasarkan PP Nomor 49 Tahun 2022')],
        compute="_compute_l10n_id_coretax_add_info",
        readonly=False,
        store=True,
    )
    l10n_id_coretax_facility_info_08 = fields.Selection([
        ('TD.01101', '1 - PPN Dibebaskan Sesuai PP Nomor 146 Tahun 2000 Sebagaimana Telah Diubah Dengan PP Nomor 38 Tahun 2003'),
        ('TD.01102', '2 - PPN Dibebaskan Sesuai PP Nomor 12 Tahun 2001 Sebagaimana Telah Beberapa Kali Diubah Terakhir Dengan PP Nomor 31 Tahun 2007'),
        ('TD.01103', '3 - PPN dibebaskan berdasarkan Peraturan Pemerintah Nomor 28 Tahun 2009'),
        ('TD.01104', '4 - (Tidak ada cap)'),
        ('TD.01105', '5 - PPN Dibebaskan Sesuai Dengan PP Nomor 81 Tahun 2015'),
        ('TD.01106', '6 - PPN Dibebaskan Berdasarkan PP Nomor 74 Tahun 2015'),
        ('TD.01107', '7 - (tanpa cap)'),
        ('TD.01108', '8 - PPN DIBEBASKAN SESUAI PP NOMOR 81 TAHUN 2015 SEBAGAIMANA TELAH DIUBAH DENGAN PP 48 TAHUN 2020'),
        ('TD.01109', '9 - PPN DIBEBASKAN BERDASARKAN PP NOMOR 47 TAHUN 2020'),
        ('TD.01110', '10 - PPN Dibebaskan berdasarkan PP Nomor 49 Tahun 2022')],
        compute="_compute_l10n_id_coretax_facility_info",
        readonly=False,
        store=True,
    )

    l10n_id_coretax_efaktur_available = fields.Boolean(compute="_compute_l10n_id_coretax_efaktur_available")
    l10n_id_coretax_document = fields.Many2one('l10n_id_efaktur_coretax.document', readonly=True, copy=False, string="e-Faktur Document (Coretax)")
    l10n_id_coretax_custom_doc = fields.Char(help="Additional documentation when choosing kode 07 or 08")
    l10n_id_coretax_custom_doc_month_year = fields.Date(string="Custom Document Month and Year")
    l10n_id_kode_transaksi = fields.Selection(
        selection=TAX_TRANSACTION_CODE,
        string='Kode Transaksi',
        help="The first 2 digits of tax code",
        readonly=False,
        copy=False,
        compute="_compute_kode_transaksi",
        store=True,
    )

    @api.depends('partner_id')
    def _compute_kode_transaksi(self):
        for move in self:
            move.l10n_id_kode_transaksi = move.commercial_partner_id.l10n_id_kode_transaksi

    @api.depends('partner_id', 'line_ids.tax_ids')
    def _compute_l10n_id_coretax_efaktur_available(self):
        """ Similar use case as l10n_id_need_kode_transaksi from l10n_id_efaktur

        helps to check whether or not some fields need to be visible or not
        """
        for move in self:
            move.l10n_id_coretax_efaktur_available = (
                move.partner_id.l10n_id_pkp
                and move.country_code == 'ID'
                and move.move_type == 'out_invoice'
                and move.line_ids.tax_ids
            )

    # Interactions that is triggered when choosing kode 07 or 08
    # as they require additional information
    @api.depends("l10n_id_coretax_add_info_07", "l10n_id_coretax_add_info_08")
    def _compute_l10n_id_coretax_facility_info(self):
        for move in self:
            if move.l10n_id_kode_transaksi == "07":
                digits = move.l10n_id_coretax_add_info_07
                if digits:
                    move.l10n_id_coretax_facility_info_07 = f"TD.011{digits[-2:]}"
            elif move.l10n_id_kode_transaksi == "08":
                digits = move.l10n_id_coretax_add_info_08
                if digits:
                    move.l10n_id_coretax_facility_info_08 = f"TD.011{digits[-2:]}"

    @api.depends("l10n_id_coretax_facility_info_07", "l10n_id_coretax_facility_info_08")
    def _compute_l10n_id_coretax_add_info(self):
        for move in self:
            if move.l10n_id_kode_transaksi == "07":
                digits = move.l10n_id_coretax_facility_info_07
                if digits:
                    move.l10n_id_coretax_add_info_07 = f"TD.005{digits[-2:]}"
            elif move.l10n_id_kode_transaksi == "08":
                digits = move.l10n_id_coretax_facility_info_08
                if digits:
                    move.l10n_id_coretax_add_info_08 = f"TD.005{digits[-2:]}"

    def _validate_tax_groups(self):
        err_messages = []
        allowed_codes = {'01', '02', '03', '04', '05', '06', '09', '10'}
        must_be_zero_codes = {'07', '08'}

        for move in self:
            kode = move.l10n_id_kode_transaksi
            non_luxury_group = self.env['account.chart.template'].with_company(move.company_id.id).ref("l10n_id_tax_group_non_luxury_goods", raise_if_not_found=False)
            luxury_group = self.env['account.chart.template'].with_company(move.company_id.id).ref("l10n_id_tax_group_luxury_goods", raise_if_not_found=False)
            zero_group = self.env['account.chart.template'].with_company(move.company_id.id).ref("l10n_id_tax_group_0", raise_if_not_found=False)
            exempt_group = self.env['account.chart.template'].with_company(move.company_id.id).ref("l10n_id_tax_group_exempt", raise_if_not_found=False)
            stlg_group = self.env['account.chart.template'].with_company(move.company_id.id).ref("l10n_id_tax_group_stlg", raise_if_not_found=False)
            default_group = self.env['account.chart.template'].with_company(move.company_id.id).ref("default_tax_group", raise_if_not_found=False)
            product_lines = move.line_ids.filtered(lambda line: line.display_type == 'product')
            all_taxes = product_lines.mapped('tax_ids')
            tax_groups = set(all_taxes.mapped('tax_group_id'))
            ppn_groups = {non_luxury_group, luxury_group, zero_group, exempt_group, default_group}
            ppn_groups.discard(False)
            ppn_tax_groups = [g for g in tax_groups if g in ppn_groups]
            stlg_tax_groups = [g for g in tax_groups if g == stlg_group]

            # Multiple tax groups check
            if len(ppn_tax_groups) > 1:
                err_messages.append(_("Invoice %s: can only have one PPN tax group (excluding STLG).", move.name or ''))
            if len(stlg_tax_groups) > 1:
                err_messages.append(_("Invoice %s: can only have one STLG group.", move.name or ''))
            if not (ppn_tax_groups or stlg_tax_groups):
                err_messages.append(_("Invoice %s: need to have at least one PPN or STLG tax group.", move.name or ''))

            # Allowed codes (01-06, 09, 10)
            if kode in allowed_codes:
                for line in product_lines:
                    line_tax_groups = set(line.tax_ids.mapped('tax_group_id'))
                    if luxury_group and non_luxury_group and {luxury_group, non_luxury_group}.issubset(line_tax_groups):
                        err_messages.append(_(
                            "Invoice %(inv)s: line '%(line)s' contains both Luxury-Goods and Non-Luxury-Goods taxes.",
                            inv=move.name or '', line=line.product_id.display_name or '')
                        )
                    if non_luxury_group and stlg_group and {non_luxury_group, stlg_group}.issubset(line_tax_groups):
                        err_messages.append(_(
                            "Invoice %(inv)s: line '%(line)s' contains both Non-Luxury-Goods and STLG taxes.",
                            inv=move.name or '', line=line.product_id.display_name or '')
                        )
                    if stlg_group and stlg_group in line_tax_groups:
                        if not (luxury_group and luxury_group in line_tax_groups):
                            err_messages.append(_(
                                "Invoice %(inv)s: line '%(line)s' has STLG tax but missing the required Luxury-Goods tax.",
                                inv=move.name or '', line=line.product_id.display_name or '')
                            )
                    for tax in line.tax_ids:
                        if ((hasattr(tax, 'amount') and float(tax.amount) == 0.0) or (tax.tax_group_id in {zero_group, exempt_group})):
                            err_messages.append(_(
                                "Invoice %(inv)s: transaction code %(kode)s does not allow 0%% (Zero-rated or Exempt) taxes.",
                                inv=move.name or '', kode=kode)
                            )

            # Must-be-zero codes (07-08)
            elif kode in must_be_zero_codes:
                for line in product_lines:
                    for tax in line.tax_ids:
                        if hasattr(tax, 'amount') and float(tax.amount) != 0.0:
                            err_messages.append(_(
                                "Invoice %(inv)s: transaction code %(kode)s must always have tax amount 0%%.",
                                inv=move.name or '', kode=kode)
                            )
        return err_messages

    def download_efaktur(self):
        """OVERRIDE l10n_id_efaktur

        Change the flow of efaktur downloading. Collects data needed for efaktur and generate the
        xml file.
        """
        # Pre-download checks

        # Should prevent users from generating e-Faktur document on invoices across multi-company.
        # Allowing it will cause issues on the invoice/eFaktur document record rule
        if len(self.company_id) > 1:
            raise UserError(_("You are not allowed to generate e-Faktur document from invoices coming from different companies"))

        err_messages = []

        if not self.company_id.vat:
            err_messages.append(_("Your company's VAT hasn't been configured yet"))

        # check for every customer
        for partner in self.partner_id:
            comm = partner.commercial_partner_id
            if not comm.l10n_id_pkp:
                err_messages.append(_("Customer %s is not taxable, tick ID PKP if necessary", comm.name))
            if comm.l10n_id_buyer_document_type != 'TIN' and not comm.l10n_id_buyer_document_number:
                err_messages.append(_("Document number for customer %s hasn't been filled in", comm.name))
            if not comm.vat:
                err_messages.append(_("NPWP for customer %s hasn't been filled in yet", comm.name))
            if not comm.country_id:
                err_messages.append(_("No country is set for customer %s", comm.name))

        # check for every invoice
        for record in self:
            if record.state == 'draft':
                err_messages.append(_('Invoice %s is in draft state', record.name))
            if not record.country_code == 'ID':
                err_messages.append(_("Invoice %s is not under Indonesian company", record.name))
            if not record.move_type == 'out_invoice':
                err_messages.append(_("Entry %s is not an invoice", record.name))
            if not record.line_ids.tax_ids:
                err_messages.append(_("Invoice %s does not contain any taxes", record.name))
            if record.l10n_id_kode_transaksi == "07":
                if not (record.l10n_id_coretax_add_info_07 and record.l10n_id_coretax_facility_info_07):
                    err_messages.append(_("Invoice %s doesn't contain the Additional info and Facility Stamp yet (Kode 07)", record.name))
            if record.l10n_id_kode_transaksi == "08":
                if not (record.l10n_id_coretax_add_info_08 and record.l10n_id_coretax_facility_info_08):
                    err_messages.append(_("Invoice %s doesn't contain the Additional info and Facility Stamp yet (Kode 08)", record.name))

        # Check tax groups
        err_messages.extend(self._validate_tax_groups())

        if err_messages:
            err_messages = [_('Unable to download E-faktur for the following reason(s):')] + err_messages
            raise ValidationError('\n - '.join(err_messages))

        # All invoices in self have no documents; we can create a new one for them.
        # Or all invoices in self have a document, but it's the same one. Special use case but we allow downloading it.
        if not self.l10n_id_coretax_document:
            self.l10n_id_coretax_document = self.env['l10n_id_efaktur_coretax.document'].create({
                'invoice_ids': self.ids,
                'company_id': self.company_id.id,
            })
            self.l10n_id_coretax_document._generate_xml()

        # If there is more than one document, or all invoices for a document were not selected, the resulting file could cause mistakes;
        # They could get a file with additional invoices for example. In this case, we redirect them to the document view to make it clearer.
        elif len(self.l10n_id_coretax_document) > 1 or set(self.l10n_id_coretax_document.invoice_ids.ids) != set(self.ids):
            action_error = {
                'name': _('Document Mismatch'),
                'view_mode': 'list',
                'res_model': 'l10n_id_efaktur_coretax.document',
                'type': 'ir.actions.act_window',
                'views': [[False, 'list'], [False, 'form']],
                'domain': [('id', 'in', self.l10n_id_coretax_document.ids)],
            }
            msg = _("The selected invoices are partially part of one or more e-faktur documents.\n"
                    "Please download them from the e-faktur documents directly.")
            raise RedirectWarning(msg, action_error, _("Display Related Documents"))

        return self.download_xml()

    def download_xml(self):
        return self.l10n_id_coretax_document.action_download()

    def _l10n_id_coretax_build_invoice_vals(self, vals):
        """ Fill in vals with invoice-related information """
        self.ensure_one()

        partner = self.commercial_partner_id
        trx_code = self.l10n_id_kode_transaksi

        l10n_id_buyer_document_type_mapping_to_xml = {
            'TIN': 'TIN',
            'NIK': 'National ID',
            'Passport': 'Passport',
            'Other': 'Other ID'
        }

        vals.update({
            "TIN": self.company_id.vat,
            "TaxInvoiceDate": self.invoice_date.strftime("%Y-%m-%d"),
            "TaxInvoiceOpt": "Normal",
            "TrxCode": trx_code,
            "AddInfo": "",
            "CustomDoc": self.l10n_id_coretax_custom_doc or "",
            "CustomDocMonthYear": self.l10n_id_coretax_custom_doc_month_year and self.l10n_id_coretax_custom_doc_month_year.strftime("%m%Y") or "",
            "FacilityStamp": "",
            "RefDesc": self.name,
            "SellerIDTKU": self.company_id.vat + (self.company_id.partner_id.l10n_id_tku or '000000'),
            "BuyerDocument": l10n_id_buyer_document_type_mapping_to_xml.get(partner.l10n_id_buyer_document_type, partner.l10n_id_buyer_document_type),
            "BuyerTin": partner.vat if partner.l10n_id_buyer_document_type == "TIN" else "0000000000000000",
            "BuyerCountry": COUNTRY_CODE_MAP.get(partner.country_id.code),
            "BuyerDocumentNumber": partner.l10n_id_buyer_document_number if partner.l10n_id_buyer_document_type != "TIN" else "",
            "BuyerName": self.partner_id.name,
            "BuyerAdress": self.partner_id.contact_address.replace('\n', ' ').strip(),
            "BuyerEmail": partner.email or "",
            "BuyerIDTKU": partner.vat + (partner.l10n_id_tku or '000000'),
        })

        if trx_code == '07':
            vals['AddInfo'] = self.l10n_id_coretax_add_info_07
            vals['FacilityStamp'] = self.l10n_id_coretax_facility_info_07
        elif trx_code == '08':
            vals['AddInfo'] = self.l10n_id_coretax_add_info_08
            vals['FacilityStamp'] = self.l10n_id_coretax_facility_info_08

    def prepare_efaktur_vals(self):
        """ Get information required from invoice and lines to generate E-Faktur that will be used
        to load in the XML template later on"""
        invoice_vals = []
        idr = self.env.ref('base.IDR')

        for move in self.filtered(lambda m: m.state == 'posted'):
            vals = {}
            move._l10n_id_coretax_build_invoice_vals(vals)

            for line in move.invoice_line_ids.filtered(lambda ml: ml.tax_ids):
                line._l10n_id_coretax_build_invoice_line_vals(vals)

            invoice_vals.append(vals)

        return invoice_vals