from odoo import api, fields, models, _
from odoo.tools import float_round

class HrExpense(models.Model):
    _inherit = 'hr.expense'

    @api.depends('product_id', 'company_id', 'payment_mode')
    def _compute_account_id(self):
        super()._compute_account_id()
        for expense in self:
            if not expense.product_id:
                continue
            
            # Use specific accounts based on payment mode if configured
            product = expense.product_id.with_company(expense.company_id)
            if expense.payment_mode == 'own_account':
                if product.property_account_expense_employee_id:
                    expense.account_id = product.property_account_expense_employee_id
            elif expense.payment_mode == 'company_account':
                if product.property_account_expense_company_id:
                    expense.account_id = product.property_account_expense_company_id

    receipt_due_date = fields.Date(
        string="Receipt Due Date",
        readonly=True,
        help="Date the employee must submit the receipt."
    )
    receipt_received = fields.Boolean(
        string="Receipt Received",
        default=False,
        tracking=True,
        help="Mark if original receipt has been received."
    )
    receipt_overdue = fields.Boolean(
        string="Receipt Overdue",
        compute='_compute_receipt_overdue',
        store=True,
        help="True if receipt is not received and past due date."
    )

    @api.depends('receipt_due_date', 'receipt_received')
    def _compute_receipt_overdue(self):
        today = fields.Date.today()
        for expense in self:
            if expense.receipt_due_date and not expense.receipt_received and expense.receipt_due_date < today:
                expense.receipt_overdue = True
            else:
                expense.receipt_overdue = False

    def _prepare_move_lines_vals(self):
        res = super()._prepare_move_lines_vals()
        if res.get('price_unit'):
            # Round the price to the currency's decimal places to avoid floating point artifacts (e.g. ...0001)
            # We use precision_digits=2 which is the standard for IDR/USD etc.
            res['price_unit'] = float_round(res['price_unit'], precision_digits=self.currency_id.decimal_places or 2)
        return res