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

from odoo import api, fields, models
from datetime import datetime


class HRContract(models.Model):
    _inherit = 'hr.contract'

    l10n_ir_other_allowances = fields.Monetary(string='Iran Other Allowances')
    l10n_ir_responsibility_allowance = fields.Monetary(string='Iran Responsibility Allowance')

    l10n_ir_years_of_service = fields.Integer(
        string='Years of Service',
        compute='_compute_years_of_service',
        inverse='_inverse_years_of_service',
        store=True,
        help='Sum of all completed service years for the employee across confirmed contracts.')


    _sql_constraints = [
        ('check_l10n_ir_years_of_service_positive', 'CHECK(l10n_ir_years_of_service >= 0)',
         'Years of Service must be equal to or greater than 0'),
    ]

    def _inverse_years_of_service(self):
        # No action needed — just having this allows field to be editable manually
        # The manually set value will stay until a recompute is triggered
        pass

    @api.depends('employee_id')
    def _compute_years_of_service(self):
        for contract in self:
            total_days = 0
            if contract.employee_id:
                employee_contracts = self.env['hr.contract'].search([
                    ('employee_id', '=', contract.employee_id.id),
                    ('state', 'in', ['open', 'close']),
                    ('date_start', '!=', False),
                    ('date_end', '!=', False),
                ])
                for c in employee_contracts:
                    duration = (c.date_end - c.date_start).days
                    total_days += max(duration, 0)
            contract.l10n_ir_years_of_service = total_days // 365