# -*- coding: utf-8 -*-
import random
from datetime import datetime, timedelta
from odoo import api, fields, models

class LoyaltyVerificationOtp(models.Model):
    _name = 'loyalty.verification.otp'
    _description = 'Loyalty Verification OTP'
    _order = 'create_date desc'

    email = fields.Char(string='Email')
    phone = fields.Char(string='Phone')
    otp_code = fields.Char(string='OTP Code', required=True)
    expiry_time = fields.Datetime(string='Expiry Time', required=True)
    otp_type = fields.Selection([
        ('signup', 'Sign-up'),
        ('activation', 'Activation'),
        ('reset_password', 'Reset Password')
    ], string='OTP Type', required=True)
    is_verified = fields.Boolean(string='Is Verified', default=False)

    @api.model
    def generate_otp(self, email=None, phone=None, otp_type=None):
        if not otp_type:
            raise ValueError("OTP type is required.")
        
        # Generate a 6-digit random code
        otp_code = str(random.randint(100000, 999999))
        expiry_time = fields.Datetime.now() + timedelta(minutes=15)
        
        # Create record
        otp_record = self.sudo().create({
            'email': email,
            'phone': phone,
            'otp_code': otp_code,
            'expiry_time': expiry_time,
            'otp_type': otp_type,
        })
        
        # Send Email
        if email:
            subject = "Verification Code - Mie Mapan"
            if otp_type == 'reset_password':
                subject = "Reset Password Verification Code - Mie Mapan"
            elif otp_type == 'activation':
                subject = "Account Activation Verification Code - Mie Mapan"
                
            body_html = f"""
            <div style="font-family: Helvetica, Arial, sans-serif; min-width: 1000px; overflow: auto; line-height: 2">
              <div style="margin: 50px auto; width: 70%; padding: 20px 0">
                <div style="border-bottom: 1px solid #eee">
                  <a href="" style="font-size: 1.4em; color: #ff5722; text-decoration: none; font-weight: 600">Mie Mapan</a>
                </div>
                <p style="font-size: 1.1em">Hi,</p>
                <p>Thank you for choosing Mie Mapan. Use the following OTP to complete your request. This OTP is valid for 15 minutes.</p>
                <h2 style="background: #ff5722; margin: 0 auto; width: max-content; padding: 0 10px; color: #fff; border-radius: 4px;">{otp_code}</h2>
                <p style="font-size: 0.9em;">Regards,<br />Mie Mapan Team</p>
                <hr style="border: none; border-top: 1px solid #eee" />
                <div style="float: right; padding: 8px 0; color: #aaa; font-size: 0.8em; line-height: 1; font-weight: 300">
                  <p>Mie Mapan Inc</p>
                </div>
              </div>
            </div>
            """
            
            mail_values = {
                'subject': subject,
                'body_html': body_html,
                'email_to': email,
                'email_from': self.env.user.email or 'no-reply@miemapan.com',
            }
            # Send using sudo context
            self.env['mail.mail'].sudo().create(mail_values).send()
            
        return otp_record

    @api.model
    def verify_otp(self, otp_code, email=None, phone=None, otp_type=None):
        if not otp_code:
            return False
            
        domain = [
            ('otp_code', '=', otp_code),
            ('otp_type', '=', otp_type),
            ('is_verified', '=', False),
            ('expiry_time', '>=', fields.Datetime.now())
        ]
        if email:
            domain.append(('email', '=', email))
        if phone:
            domain.append(('phone', '=', phone))
            
        record = self.sudo().search(domain, order='create_date desc', limit=1)
        if record:
            record.write({'is_verified': True})
            return True
        return False