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

class ResConfigSettings(models.TransientModel):
    _inherit = 'res.config.settings'


    appraisal_reminder_days = fields.Integer(
        string="Appraisal Reminder Before (Days)",
        config_parameter='hrms_employee_appraisal.appraisal_reminder_days',
        default=7
    )

    appraisal_reminder_enabled = fields.Boolean(
        string="Enable Appraisal Reminders",
        config_parameter='hrms_employee_appraisal.appraisal_reminder_enabled',
        default=True
    )






class EmployeeAppraisal(models.Model):
    _inherit = 'employee.appraisal.template.config'

    def cron_send_appraisal_reminder(self):

        enabled = self.env['ir.config_parameter'].sudo().get_param(
            'hrms_employee_appraisal.appraisal_reminder_enabled'
        )

        if not enabled:
            return

        reminder_days = int(
            self.env['ir.config_parameter'].sudo().get_param(
                'hrms_employee_appraisal.appraisal_reminder_days',
                7
            )
        )

        today = date.today()

        records = self.search([
            ('end_date', '!=', False)
        ])

        for rec in records:

            days_left = (rec.end_date - today).days

            if days_left == reminder_days:

                if rec.employee_appraisal_id.work_email:

                    self.env['mail.mail'].sudo().create({
                        'subject': 'Performance Appraisal Reminder',
                        'email_to': rec.employee_appraisal_id.work_email,
                        'body_html': f"""
                        <p>Dear {rec.employee_appraisal_id.name},</p>

                        <p>
                        Your appraisal period is ending in
                        <b>{reminder_days}</b> days.
                        </p>

                        <p>
                        Please complete your self appraisal.
                        </p>

                        <br/>
                        <p>Regards,<br/>HR Team</p>
                        """
                    }).send()