send-mails/run.py at main · mxmlnwbr/send-mails · GitHub

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import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
import os
from dotenv import load_dotenv
from tqdm import tqdm
import logging
import gspread
from google.oauth2.service_account import Credentials as ServiceAccountCredentials
import secrets
import string
import argparse


load_dotenv()

logging.basicConfig(
    level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s"
)

# SMTP Configuration
SMTP_SERVER = os.getenv("SMTP_SERVER")
SMTP_PORT = 587
EMAIL_ADDRESS = os.getenv("SMTP_ACCOUNT")
EMAIL_PASSWORD = os.getenv("SMTP_PASSWORD")

# Google Sheets Configuration
SPREADSHEET_ID = os.getenv("SPREADSHEET_ID")
CREDENTIALS_FILE = os.getenv("GOOGLE_CREDENTIALS_FILE", "credentials.json")

# Column names in the sheet
EMAIL_COLUMN = "Email"
STATUS_COLUMN = "Status"
ACCESS_KEY_COLUMN = "Access Key"
SELBSTKAUF_COLUMN = "Selbstkauf"
NAME_COLUMN = "Name"
GRUND_COLUMN = "Grund"
NUM_TICKETS_COLUMN = "# Tickets"
TICKET_CATEGORY_COLUMN = "Ticketkat."
STATUS_OPEN = "1. Offen"
STATUS_SENT = "2. Verschickt"


def generate_access_key(length=12):
    """Generate a unique access key."""
    characters = string.ascii_uppercase + string.digits
    key = ''.join(secrets.choice(characters) for _ in range(length))
    return f"RB26-{key[:4]}-{key[4:8]}-{key[8:12]}"


def connect_to_sheet():
    """Connect to Google Sheets using service account credentials."""
    try:
        scopes = [
            'https://www.googleapis.com/auth/spreadsheets',
            'https://www.googleapis.com/auth/drive'
        ]
        credentials = ServiceAccountCredentials.from_service_account_file(
            CREDENTIALS_FILE, scopes=scopes
        )
        client = gspread.authorize(credentials)
        sheet = client.open_by_key(SPREADSHEET_ID).sheet1
        logging.info("Successfully connected to Google Sheets")
        return sheet
    except Exception as e:
        logging.error(f"Error connecting to Google Sheets: {e}")
        return None


def is_valid_email(email):
    """Basic email validation."""
    if not email:
        return False

    # Convert to string if it's not already (handles phone numbers as integers)
    email_str = str(email).strip()

    # Check if it looks like a phone number (only digits, +, -, spaces, parentheses)
    if email_str.replace('+', '').replace('-', '').replace(' ', '').replace('(', '').replace(')', '').isdigit():
        return False

    # Basic email validation
    return "@" in email_str and "." in email_str and len(email_str) > 5


def send_email(to_email, access_key, name="", grund="", num_tickets="", ticket_category="", test_mode=False):
    """Send email with access key to recipient."""
    try:
        # Prepare personalized greeting
        greeting = f"Hey {name}!" if name else "Hey!"

        # Prepare ticket information
        ticket_info = ""
        if num_tickets:
            ticket_info += f"<strong>Anzahl Tickets:</strong> {num_tickets}<br>"
        if ticket_category:
            ticket_info += f"<strong>Ticket-Kategorien:</strong> {ticket_category}<br>"
        if grund:
            ticket_info += f"<strong>Grund:</strong> {grund}<br>"

        subject = "Rigibeats 2026 - Ticket Zugangscode"
        ticket_link = "https://eventfrog.ch/rigibeats"
        body = f"""
        <html>
            <body>
                <p>{greeting}</p>
                <p>Hier ist dein Zugangsschlüssel für Rigibeats 2026 🎉</p>
                <p>{ticket_info}</p>
                <p>Dein Code: <strong>{access_key}</strong></p>
                <p><a href="{ticket_link}">Jetzt einlösen auf Eventfrog</a></p>
                <p>See you on the dancefloor ❤️<br>Rigibeats Team</p>
            </body>
        </html>
        """

        if test_mode:
            logging.info(f"✉️  Email: {to_email}")
            logging.info(f"👤 Name: {name}")
            logging.info(f"🎟️  Tickets: {num_tickets}")
            logging.info(f"🏷️  Kategorie: {ticket_category}")
            logging.info(f"📝 Grund: {grund}")
            logging.info(f"🔑 Code: {access_key}")
            logging.info(f"🔗 Link: {ticket_link}")
            logging.info(f"{'─'*60}")
            return True

        msg = MIMEMultipart('alternative')
        msg["From"] = EMAIL_ADDRESS
        msg["To"] = to_email
        msg["Bcc"] = "hi@rigibeats.ch"
        msg["Subject"] = subject
        msg.attach(MIMEText(body, 'html', 'utf-8'))

        with smtplib.SMTP(SMTP_SERVER, SMTP_PORT) as server:
            server.starttls()
            server.login(EMAIL_ADDRESS, EMAIL_PASSWORD)
            server.send_message(msg)
            logging.info(f"Email successfully sent to {to_email}")
            return True
    except Exception as e:
        logging.error(f"Failed to send email to {to_email}: {e}")
        return False


def export_keys_to_files(newly_generated_keys=None):
    """Export newly generated access keys to comma-separated text file."""
    try:
        logging.info(f"\n{'='*60}")
        logging.info("📤 Exporting keys to file...")
        logging.info(f"{'='*60}\n")

        if not newly_generated_keys:
            logging.warning("No newly generated keys to export")
            return

        # Export comma-separated with space
        with open("access_keys_comma_space.txt", 'w', encoding='utf-8') as f:
            f.write(", ".join(newly_generated_keys))

        logging.info(f"✅ Export Complete!")
        logging.info(f"Total keys exported: {len(newly_generated_keys)}")
        logging.info(f"File created: access_keys_comma_space.txt")

    except Exception as e:
        logging.error(f"Error exporting access keys: {e}")


def generate_keys_only(sheet):
    """Generate access keys for all entries without sending emails."""
    try:
        logging.info("\n" + "="*60)
        logging.info("🔑 KEY GENERATION MODE - Only generating keys, no emails sent!")
        logging.info("="*60 + "\n")

        # Get header row first to handle empty columns
        headers = sheet.row_values(1)

        # Get all data rows
        all_data = sheet.get_all_values()[1:]  # Skip header row

        # Create records manually, handling empty headers
        all_records = []
        for row_data in all_data:
            record = {}
            for idx, header in enumerate(headers):
                if header:  # Only process non-empty headers
                    record[header] = row_data[idx] if idx < len(row_data) else ""
            all_records.append(record)

        if not all_records:
            logging.warning("No records found in the sheet")
            return

        # Find column indices
        try:
            status_col_idx = headers.index(STATUS_COLUMN) + 1

            # Check if Access Key column exists, if not create it
            # Find all occurrences of "Access Key" column
            access_key_indices = [i for i, h in enumerate(headers) if h == ACCESS_KEY_COLUMN]

            if len(access_key_indices) > 1:
                logging.warning(f"Found {len(access_key_indices)} columns named '{ACCESS_KEY_COLUMN}' at positions {[i+1 for i in access_key_indices]}")
                logging.warning(f"Using the first one at column {access_key_indices[0]+1}")
                key_col_idx = access_key_indices[0] + 1
            elif len(access_key_indices) == 1:
                key_col_idx = access_key_indices[0] + 1
                logging.info(f"Found '{ACCESS_KEY_COLUMN}' column at position {key_col_idx}")
            else:
                key_col_idx = len(headers) + 1
                sheet.update_cell(1, key_col_idx, ACCESS_KEY_COLUMN)
                logging.info(f"Created '{ACCESS_KEY_COLUMN}' column at position {key_col_idx}")
        except ValueError as e:
            logging.error(f"Required column not found: {e}")
            return

        generated_count = 0
        skipped_count = 0
        newly_generated_keys = []

        # Process each row (starting from row 2, since row 1 is headers)
        for idx, record in enumerate(tqdm(all_records, desc="Generating keys"), start=2):
            status = str(record.get(STATUS_COLUMN, "")).strip()
            email_raw = record.get(EMAIL_COLUMN, "")
            email = str(email_raw).strip() if email_raw else ""
            selbstkauf = str(record.get(SELBSTKAUF_COLUMN, "")).strip()

            # Only process entries with status "1. Offen"
            if status != STATUS_OPEN:
                continue

            # Skip if Selbstkauf is "Nein" (they bought their own ticket)
            if selbstkauf == "Nein":
                continue

            # Skip if no valid email
            if not is_valid_email(email_raw):
                email_check = str(email_raw).strip()
                if email_check and email_check.replace('+', '').replace('-', '').replace(' ', '').replace('(', '').replace(')', '').isdigit():
                    logging.info(f"Row {idx}: Phone number detected ({email_check}), skipping key generation")
                elif email_check:
                    logging.info(f"Row {idx}: Invalid email ({email_check}), skipping key generation")
                else:
                    logging.info(f"Row {idx}: No email provided, skipping key generation")
                skipped_count += 1
                continue

            # Check if access key already exists
            existing_key_raw = record.get(ACCESS_KEY_COLUMN, "")
            existing_key = str(existing_key_raw).strip() if existing_key_raw else ""

            if existing_key:
                logging.info(f"Row {idx}: Access key already exists for {email}")
                skipped_count += 1
            else:
                # Generate new access key
                access_key = generate_access_key()
                sheet.update_cell(idx, key_col_idx, access_key)
                newly_generated_keys.append(access_key)
                logging.info(f"Row {idx}: Generated key {access_key} for {email}")
                generated_count += 1

        logging.info(f"\n{'='*60}")
        logging.info(f"🔑 Key Generation Complete!")
        logging.info(f"Keys generated: {generated_count}")
        logging.info(f"Skipped (already has key): {skipped_count}")
        logging.info(f"{'='*60}")

        # Automatically export newly generated keys after generation
        if generated_count > 0:
            export_keys_to_files(newly_generated_keys)

        logging.info("\n⚠️  NEXT STEPS:")
        logging.info("1. Upload access_keys_comma_space.txt to Eventfrog")
        logging.info("2. Run 'uv run python run.py' to send emails with the keys")

    except Exception as e:
        logging.error(f"Error generating keys: {e}")


def process_entries(sheet, test_mode=False):
    """Process all entries with status '1. Offen' and send access keys."""
    try:
        if test_mode:
            logging.info("\n" + "="*60)
            logging.info("🧪 TEST MODE ENABLED - No emails will be sent!")
            logging.info("🧪 Sheet status will NOT be updated!")
            logging.info("="*60 + "\n")

        # Get header row first to handle empty columns
        headers = sheet.row_values(1)

        # Get all data rows
        all_data = sheet.get_all_values()[1:]  # Skip header row

        # Create records manually, handling empty headers
        all_records = []
        for row_data in all_data:
            record = {}
            for idx, header in enumerate(headers):
                if header:  # Only process non-empty headers
                    record[header] = row_data[idx] if idx < len(row_data) else ""
            all_records.append(record)

        if not all_records:
            logging.warning("No records found in the sheet")
            return

        # Find column indices
        try:
            email_col_idx = headers.index(EMAIL_COLUMN) + 1
            status_col_idx = headers.index(STATUS_COLUMN) + 1

            # Check if Access Key column exists, if not create it
            # Find all occurrences of "Access Key" column
            access_key_indices = [i for i, h in enumerate(headers) if h == ACCESS_KEY_COLUMN]

            if len(access_key_indices) > 1:
                logging.warning(f"Found {len(access_key_indices)} columns named '{ACCESS_KEY_COLUMN}' at positions {[i+1 for i in access_key_indices]}")
                logging.warning(f"Using the first one at column {access_key_indices[0]+1}")
                key_col_idx = access_key_indices[0] + 1
            elif len(access_key_indices) == 1:
                key_col_idx = access_key_indices[0] + 1
                logging.info(f"Found '{ACCESS_KEY_COLUMN}' column at position {key_col_idx}")
            else:
                key_col_idx = len(headers) + 1
                sheet.update_cell(1, key_col_idx, ACCESS_KEY_COLUMN)
                logging.info(f"Created '{ACCESS_KEY_COLUMN}' column at position {key_col_idx}")
        except ValueError as e:
            logging.error(f"Required column not found: {e}")
            return

        processed_count = 0
        skipped_count = 0

        # Process each row (starting from row 2, since row 1 is headers)
        for idx, record in enumerate(tqdm(all_records, desc="Processing entries"), start=2):
            # Convert to string and strip to handle both strings and numbers
            status = str(record.get(STATUS_COLUMN, "")).strip()
            email_raw = record.get(EMAIL_COLUMN, "")
            email = str(email_raw).strip() if email_raw else ""
            selbstkauf = str(record.get(SELBSTKAUF_COLUMN, "")).strip()

            # Get additional personalization fields
            name = str(record.get(NAME_COLUMN, "")).strip()
            grund = str(record.get(GRUND_COLUMN, "")).strip()
            num_tickets = str(record.get(NUM_TICKETS_COLUMN, "")).strip()
            ticket_category = str(record.get(TICKET_CATEGORY_COLUMN, "")).strip()

            # Only process entries with status "1. Offen"
            if status != STATUS_OPEN:
                continue

            # Skip if Selbstkauf is "Nein" (they bought their own ticket)
            if selbstkauf == "Nein":
                continue

            # Skip if no valid email
            if not is_valid_email(email_raw):
                # Check if it's a phone number
                email_check = str(email_raw).strip()
                if email_check and email_check.replace('+', '').replace('-', '').replace(' ', '').replace('(', '').replace(')', '').isdigit():
                    logging.warning(f"Row {idx}: Phone number detected ({email_check}), skipping (SMS not supported)")
                else:
                    logging.warning(f"Row {idx}: Invalid or missing email ({email_check}), skipping")
                skipped_count += 1
                continue

            # Check if access key exists (required for sending)
            existing_key_raw = record.get(ACCESS_KEY_COLUMN, "")
            access_key = str(existing_key_raw).strip() if existing_key_raw else ""

            if not access_key:
                logging.warning(f"Row {idx}: No access key found for {email}, skipping. Run with --generate-keys first!")
                skipped_count += 1
                continue

            # Send email with personalized information
            if send_email(email, access_key, name, grund, num_tickets, ticket_category, test_mode):
                # Set green background for access key cell
                sheet.format(f"{chr(64 + key_col_idx)}{idx}", {
                    "backgroundColor": {
                        "red": 0.85,
                        "green": 1.0,
                        "blue": 0.85
                    }
                })
                if not test_mode:
                    # Update status to "2. Verschickt"
                    sheet.update_cell(idx, status_col_idx, STATUS_SENT)
                    logging.info(f"Row {idx}: Email sent to {email}, status updated to '{STATUS_SENT}'")
                else:
                    logging.info(f"Row {idx}: Would send email to {email}, marked green")
                processed_count += 1
            else:
                # Set red background for access key cell on failure
                sheet.format(f"{chr(64 + key_col_idx)}{idx}", {
                    "backgroundColor": {
                        "red": 1.0,
                        "green": 0.85,
                        "blue": 0.85
                    }
                })
                if test_mode:
                    logging.error(f"Row {idx}: Would fail to send email to {email}, marked red")
                else:
                    logging.error(f"Row {idx}: Failed to send email to {email}, status not updated")
                skipped_count += 1

        logging.info(f"\n{'='*60}")
        if test_mode:
            logging.info(f"🧪 TEST MODE - Simulation Complete!")
            logging.info(f"Would have sent {processed_count} emails")
        else:
            logging.info(f"Processing complete!")
            logging.info(f"Emails sent: {processed_count}")
        logging.info(f"Skipped: {skipped_count}")
        logging.info(f"{'='*60}")

        # Send actual test email in test mode
        if test_mode:
            logging.info(f"\n{'='*60}")
            logging.info("📬 Sending actual test email to maximilian.weber@bluewin.ch...")
            logging.info(f"{'='*60}\n")
            send_email(
                to_email="maximilian.weber@bluewin.ch",
                access_key="RB26-TEST-DEMO-MAIL",
                name="Max",
                grund="Test Email für Format-Prüfung",
                num_tickets="2",
                ticket_category="VIP",
                test_mode=False
            )

    except Exception as e:
        logging.error(f"Error processing entries: {e}")


def main():
    """Main function to run the script."""
    # Parse command line arguments
    parser = argparse.ArgumentParser(
        description='Send access key emails from Google Sheets',
        formatter_class=argparse.RawDescriptionHelpFormatter,
        epilog="""
Examples:
  # Step 1: Generate keys only (no emails):
  uv run python run.py --generate-keys

  # Step 2: Test mode (simulate without sending):
  uv run python run.py --test

  # Step 3: Production mode (sends emails):
  uv run python run.py
        """
    )
    parser.add_argument(
        '--generate-keys',
        action='store_true',
        help='Generate access keys only without sending emails (Step 1)'
    )
    parser.add_argument(
        '--test', '--dry-run',
        action='store_true',
        dest='test_mode',
        help='Test mode: simulate sending without actually sending emails or updating sheet status'
    )
    args = parser.parse_args()

    # Determine mode
    if args.generate_keys:
        logging.info("🔑 Running in KEY GENERATION MODE - Only generating keys")
    elif args.test_mode:
        logging.info("🧪 Running in TEST MODE - No emails will be sent, no statuses will be updated")
    else:
        logging.info("🚀 Running in PRODUCTION MODE - Emails will be sent and statuses updated")

    logging.info("Starting email distribution script...")

    # Validate environment variables
    required_vars = [SPREADSHEET_ID]
    if not args.test_mode and not args.generate_keys:
        required_vars.extend([SMTP_SERVER, EMAIL_ADDRESS, EMAIL_PASSWORD])

    if not all(required_vars):
        logging.error("Missing required environment variables. Check your .env file.")
        return

    # Check if credentials file exists
    if not os.path.exists(CREDENTIALS_FILE):
        logging.error(f"Credentials file not found: {CREDENTIALS_FILE}")
        logging.error("Please follow the setup guide to create service account credentials.")
        return

    # Connect to Google Sheets
    sheet = connect_to_sheet()
    if not sheet:
        logging.error("Failed to connect to Google Sheets. Exiting.")
        return

    # Run appropriate mode
    if args.generate_keys:
        generate_keys_only(sheet)
    else:
        process_entries(sheet, test_mode=args.test_mode)

    logging.info("Script finished.")


if __name__ == "__main__":
    main()