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

try:
    import requests
except ImportError:
    requests = None

_logger = logging.getLogger(__name__)

HTTP_CHECK_TIMEOUT = 10  # seconds

class ServiceInstance(models.Model):
    _inherit = 'service.instance'

    last_http_status_code = fields.Integer(
        string="Last HTTP Status Code",
        readonly=True,
        default=0,
    )
    last_http_check_date = fields.Datetime(
        string="Last HTTP Check Date",
        readonly=True,
    )
    http_status_ok = fields.Boolean(
        string="HTTP Status OK",
        readonly=True,
        default=True,
    )

    def check_http_status(self):
        for rec in self:
            if not rec.service_url or not rec.equipment_id:
                continue
            equipment = rec.equipment_id
            if getattr(equipment, 'maintenance_mode', False):
                continue
            status_ok = False
            status_code = -1
            now = fields.Datetime.now()
            url = rec.service_url
            if not url.lower().startswith("https://"):
                url = "https://" + url.lstrip("http://")
            try:
                response = requests.get(url, timeout=HTTP_CHECK_TIMEOUT)
                status_code = response.status_code
                status_ok = (status_code == 200)
            except requests.exceptions.RequestException as e:
                _logger.warning(f"HTTP check failed for %s: %s", rec.service_url, e)
            rec.write({
                'last_http_status_code': status_code,
                'last_http_check_date': now,
                'http_status_ok': status_ok,
            })
            if not status_ok:
                # Delegate maintenance.request creation to equipment
                if hasattr(equipment, 'create_http_maintenance_request'):
                    equipment.create_http_maintenance_request([rec])

    @api.model
    def cron_check_http_services(self):
        domain = [('active', '=', True), ('service_url', '!=', False), ('equipment_id', '!=', False)]
        services = self.search(domain)
        for service in services:
            equipment = service.equipment_id
            if getattr(equipment, 'maintenance_mode', False):
                continue
            service.check_http_status()