import requests, os, time
from dotenv import load_dotenv


while True:
    load_dotenv()

    #Enviroment variables.
    DOMAIN = os.getenv("DOMAIN")
    SUBDOMAIN = os.getenv("SUBDOMAIN")
    DNS_RECORD_TYPE = os.getenv("DNS_RECORD_TYPE")
    TOKEN = os.getenv("TOKEN")

    #Internal variables.
    public_ip = requests.get("https://api.ipify.org/").text.strip() #The public IP of the container.
    dns_ip = None #The current IP of the DNS record, unpopulated.

    #Set the proper headers.
    headers = {
        "Authorization": f"Bearer {TOKEN}",
        "Content-Type": "application/json"
    }

    #Get the zone using the token and domain.
    zone = (requests.get(
    f"https://developers.hostinger.com/api/dns/v1/zones/{DOMAIN}",
        headers=headers).json())

    #Get the current DNS record, and set it to the dns_ip variable.
    for record in zone:
        if record["name"] == SUBDOMAIN and record["type"] == DNS_RECORD_TYPE:
            dns_ip = record["records"][0]["content"]

    if dns_ip == public_ip:
        #No action needed.
        print("Values are the same, no need to update DNS record.")
    elif dns_ip != public_ip:
        #Step 1: Notify the user that the value is different.
        print("DNS record is different, modifying DNS record...")
        print("Current DNS value is:", dns_ip)

        #Step 2: Set the value to the new public IP.
        for record in zone:
            if record["name"] == SUBDOMAIN and record["type"] == DNS_RECORD_TYPE:
                if record.get("records"):
                    record["records"][0]["content"] = public_ip

        print("Updated DNS value will be:", public_ip)

        #Step 3: Push the value to Hostinger.
        response = requests.put(
        f"https://developers.hostinger.com/api/dns/v1/zones/{DOMAIN}",
            headers=headers,
            json={"zone": zone}
        )

        #Step 4: Notify the user of the status of the response.
        print("Status code:", response.status_code)
        print("Response:", response.text)

        time.sleep(300)