# © 2009 EduSense BV (<http://www.edusense.nl>)
# © 2011-2013 Therp BV (<https://therp.nl>)
# © 2014-2016 Serv. Tecnol. Avanzados - Pedro M. Baeza
# © 2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).

from flectra import api, fields, models, _
from flectra.exceptions import ValidationError


class AccountPaymentMode(models.Model):
    """This corresponds to the object payment.mode of v8 with some
    important changes"""
    _inherit = "account.payment.mode"

    payment_order_ok = fields.Boolean(
        string='Selectable in Payment Orders', default=True)
    no_debit_before_maturity = fields.Boolean(
        string="Disallow Debit Before Maturity Date",
        help="If you activate this option on an Inbound payment mode, "
        "you will have an error message when you confirm a debit order "
        "that has a payment line with a payment date before the maturity "
        "date.")
    # Default options for the "payment.order.create" wizard
    default_payment_mode = fields.Selection([
        ('same', 'Same'),
        ('same_or_null', 'Same or empty'),
        ('any', 'Any'),
        ], string='Payment Mode on Invoice', default='same')
    default_journal_ids = fields.Many2many(
        'account.journal',
        string="Journals Filter",
        domain="[('company_id', '=', company_id)]"
    )
    default_invoice = fields.Boolean(
        string='Linked to an Invoice or Refund', default=False)
    default_target_move = fields.Selection([
        ('posted', 'All Posted Entries'),
        ('all', 'All Entries'),
        ], string='Target Moves', default='posted')
    default_date_type = fields.Selection([
        ('due', 'Due'),
        ('move', 'Move'),
        ], default='due', string="Type of Date Filter")
    # default option for account.payment.order
    default_date_prefered = fields.Selection([
        ('now', 'Immediately'),
        ('due', 'Due Date'),
        ('fixed', 'Fixed Date'),
        ], string='Default Payment Execution Date')
    group_lines = fields.Boolean(
        string="Group Transactions in Payment Orders", default=True,
        help="If this mark is checked, the transaction lines of the "
             "payment order will be grouped upon confirmation of the payment "
             "order.The grouping will be done only if the following "
             "fields matches:\n"
             "* Partner\n"
             "* Currency\n"
             "* Destination Bank Account\n"
             "* Payment Date\n"
             "and if the 'Communication Type' is 'Free'\n"
             "(other modules can set additional fields to restrict the "
             "grouping.)")
    generate_move = fields.Boolean(
        string='Generate Accounting Entries On File Upload', default=True)
    offsetting_account = fields.Selection([
        ('bank_account', 'Bank Account'),
        ('transfer_account', 'Transfer Account'),
        ], string='Offsetting Account', default='bank_account')
    transfer_account_id = fields.Many2one(
        'account.account', string='Transfer Account',
        domain=[('reconcile', '=', True)],
        help="Pay off lines in 'file uploaded' payment orders with a move on "
        "this account. You can only select accounts "
        "that are marked for reconciliation")
    transfer_journal_id = fields.Many2one(
        'account.journal', string='Transfer Journal',
        help='Journal to write payment entries when confirming '
        'payment/debit orders of this mode')
    move_option = fields.Selection([
        ('date', 'One move per payment date'),
        ('line', 'One move per payment line'),
        ], string='Move Option', default='date')
    post_move = fields.Boolean(string='Post Move', default=True)

    @api.multi
    @api.constrains(
        'generate_move', 'offsetting_account',
        'transfer_account_id', 'transfer_journal_id', 'move_option')
    def transfer_move_constrains(self):
        for mode in self:
            if mode.generate_move:
                if not mode.offsetting_account:
                    raise ValidationError(_(
                        "On the payment mode '%s', you must select an "
                        "option for the 'Offsetting Account' parameter")
                        % mode.name)
                elif mode.offsetting_account == 'transfer_account':
                    if not mode.transfer_account_id:
                        raise ValidationError(_(
                            "On the payment mode '%s', you must "
                            "select a value for the 'Transfer Account'.")
                            % mode.name)
                    if not mode.transfer_journal_id:
                        raise ValidationError(_(
                            "On the payment mode '%s', you must "
                            "select a value for the 'Transfer Journal'.")
                            % mode.name)
                if not mode.move_option:
                    raise ValidationError(_(
                        "On the payment mode '%s', you must "
                        "choose an option for the 'Move Option' "
                        "parameter.") % mode.name)

    @api.onchange('payment_method_id')
    def payment_method_id_change(self):
        if self.payment_method_id:
            ajo = self.env['account.journal']
            aj_ids = []
            if self.payment_method_id.payment_type == 'outbound':
                aj_ids = ajo.search([
                    ('type', 'in', ('purchase_refund', 'purchase')),
                    ('company_id', '=', self.company_id.id)
                ]).ids
            elif self.payment_method_id.payment_type == 'inbound':
                aj_ids = ajo.search([
                    ('type', 'in', ('sale_refund', 'sale')),
                    ('company_id', '=', self.company_id.id)
                ]).ids
            self.default_journal_ids = [(6, 0, aj_ids)]

    @api.onchange('generate_move')
    def generate_move_change(self):
        if self.generate_move:
            # default values
            self.offsetting_account = 'bank_account'
            self.move_option = 'date'
        else:
            self.offsetting_account = False
            self.transfer_account_id = False
            self.transfer_journal_id = False
            self.move_option = False

    @api.onchange('offsetting_account')
    def offsetting_account_change(self):
        if self.offsetting_account == 'bank_account':
            self.transfer_account_id = False
            self.transfer_journal_id = False