# mailchimp_client.py
import mailchimp_marketing as MailchimpMarketing
from mailchimp_marketing.api_client import ApiClientError
import os

MAILCHIMP_API_KEY = os.getenv("MAILCHIMP_API_KEY")
MAILCHIMP_SERVER = os.getenv("MAILCHIMP_SERVER")  # e.g., "us19"
LIST_ID = os.getenv("MAILCHIMP_LIST_ID")          # create a list and paste its ID here

client = MailchimpMarketing.Client()
client.set_config({
    "api_key": MAILCHIMP_API_KEY,
    "server": MAILCHIMP_SERVER
})

def create_campaign(subject: str, html_content: str):
    try:
        campaign = client.campaigns.create({
            "type": "regular",
            "recipients": {"list_id": LIST_ID},
            "settings": {
                "subject_line": subject,
                "title": subject,
                "from_name": "AutoExec AI",
                "reply_to": "no‑reply@yourdomain.com"
            }
        })
        client.campaigns.set_content(campaign["id"], {"html": html_content})
        return campaign["id"]
    except ApiClientError as error:
        print("Error creating campaign: {}".format(error.text))
        raise

def send_campaign(campaign_id: str):
    try:
        client.campaigns.send(campaign_id)
    except ApiClientError as error:
        print("Error sending campaign: {}".format(error.text))
        raise

if __name__ == "__main__":
    camp_id = create_campaign(
        subject="Welcome to Your AI Fitness Experience!",
        html_content="<h1>Welcome!</h1><p>Let’s get you moving with AI‑driven workouts.</p>"
    )
    send_campaign(camp_id)
    print("Campaign sent with ID:", camp_id)