# Copyright 2019 Tecnativa - Vicent Cubells
# Copyright 2019-2020 Brainbean Apps (https://brainbeanapps.com)
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).

from odoo import api, fields, models, _

from base64 import b64decode
import json
from os import path


class AccountBankStatementImportPayPalMappingWizard(models.TransientModel):
    _name = 'account.bank.statement.import.paypal.mapping.wizard'
    _description = 'Account Bank Statement Import PayPal Mapping Wizard'
    _inherit = ['multi.step.wizard.mixin']

    data_file = fields.Binary(
        string='PayPal Report File',
        required=True,
    )
    filename = fields.Char()
    header = fields.Char()
    date_column = fields.Char(
        string='"Date" column',
    )
    time_column = fields.Char(
        string='"Time" column',
    )
    tz_column = fields.Char(
        string='"Timezone" column',
    )
    name_column = fields.Char(
        string='"Name" column',
    )
    currency_column = fields.Char(
        string='"Currency" column',
    )
    gross_column = fields.Char(
        string='"Gross" column',
    )
    fee_column = fields.Char(
        string='"Fee" column',
    )
    balance_column = fields.Char(
        string='"Balance" column',
    )
    transaction_id_column = fields.Char(
        string='"Transaction ID" column',
    )
    description_column = fields.Char(
        string='"Description" column',
    )
    type_column = fields.Char(
        string='"Type" column',
    )
    from_email_address_column = fields.Char(
        string='"From Email Address" column',
    )
    to_email_address_column = fields.Char(
        string='"To Email Address" column',
    )
    invoice_id_column = fields.Char(
        string='"Invoice ID" column',
    )
    subject_column = fields.Char(
        string='"Subject" column',
    )
    note_column = fields.Char(
        string='"Note" column',
    )
    bank_name_column = fields.Char(
        string='"Bank Name" column',
    )
    bank_account_column = fields.Char(
        string='"Bank Account" column',
    )

    @api.onchange('data_file')
    def _onchange_data_file(self):
        Parser = self.env['account.bank.statement.import.paypal.parser']
        if not self.data_file:
            return
        header = Parser.parse_header(b64decode(self.data_file))
        header = [column for column in header if column]
        self.header = json.dumps(header)
        if len(header) == 22:
            self.date_column = header[0]
            self.time_column = header[1]
            self.tz_column = header[2]
            self.name_column = header[3]
            self.currency_column = header[6]
            self.gross_column = header[7]
            self.fee_column = header[8]
            self.balance_column = header[18]
            self.transaction_id_column = header[12]
            self.type_column = header[4]
            self.from_email_address_column = header[10]
            self.to_email_address_column = header[11]
            self.invoice_id_column = header[16]
            self.subject_column = header[20]
            self.note_column = header[21]
        elif len(header) == 18:
            self.date_column = header[0]
            self.time_column = header[1]
            self.tz_column = header[2]
            self.name_column = header[11]
            self.currency_column = header[4]
            self.gross_column = header[5]
            self.fee_column = header[6]
            self.balance_column = header[8]
            self.transaction_id_column = header[9]
            self.description_column = header[3]
            self.from_email_address_column = header[10]
            self.invoice_id_column = header[16]
            self.bank_name_column = header[12]
            self.bank_account_column = header[13]

    @api.model
    def statement_columns(self):
        header = self.env.context.get('header')
        if not header:
            return []
        return [(x, x) for x in json.loads(header)]

    @api.multi
    def _get_mapping_values(self):
        """Hook for extension"""
        self.ensure_one()
        return {
            'name': _('Mapping from %s') % path.basename(self.filename),
            'float_thousands_sep': 'comma',
            'float_decimal_sep': 'dot',
            'date_format': '%d/%m/%Y',
            'time_format': '%H:%M:%S',
            'date_column': self.date_column,
            'time_column': self.time_column,
            'tz_column': self.tz_column,
            'name_column': self.name_column,
            'currency_column': self.currency_column,
            'gross_column': self.gross_column,
            'fee_column': self.fee_column,
            'balance_column': self.balance_column,
            'transaction_id_column': self.transaction_id_column,
            'description_column': self.description_column,
            'type_column': self.type_column,
            'from_email_address_column': self.from_email_address_column,
            'to_email_address_column': self.to_email_address_column,
            'invoice_id_column': self.invoice_id_column,
            'subject_column': self.subject_column,
            'note_column': self.note_column,
            'bank_name_column': self.bank_name_column,
            'bank_account_column': self.bank_account_column,
        }

    @api.multi
    def import_mapping(self):
        self.ensure_one()
        mapping = self.env['account.bank.statement.import.paypal.mapping']\
            .create(self._get_mapping_values())
        return {
            'type': 'ir.actions.act_window',
            'name': _('Imported Mapping'),
            'res_model': 'account.bank.statement.import.paypal.mapping',
            'res_id': mapping.id,
            'view_mode': 'form',
            'view_id': False,
            'target': 'new',
        }