#!/usr/bin/env python3
"""
Follow-up Email Generator
Generate multi-step email sequences
"""
from datetime import datetime, timedelta

FOLLOWUP_TEMPLATES = {
    1: {
        'delay_days': 3,
        'subject': 'Quick follow-up: {original_subject}',
        'body': '''Hi {name},

I wanted to follow up on my previous email about {topic}.

{value_prop}

Would you have 15 minutes this week for a quick call?

Best,
{sender_name}'''
    },
    2: {
        'delay_days': 5,
        'subject': 'Still interested in {topic}?',
        'body': '''Hi {name},

I know you're busy, so I'll keep this short.

{pain_point}

{solution}

Worth a conversation?

{sender_name}'''
    },
    3: {
        'delay_days': 7,
        'subject': 'Final thought on {topic}',
        'body': '''Hi {name},

I'll assume now isn't the right time.

If things change, here's a quick resource: {resource_link}

Feel free to reach out when you're ready.

Best,
{sender_name}'''
    }
}

def generate_sequence(variables, start_date=None):
    """Generate complete follow-up sequence"""
    if start_date is None:
        start_date = datetime.now()

    sequence = []
    for step, template in FOLLOWUP_TEMPLATES.items():
        send_date = start_date + timedelta(days=template['delay_days'])
        email = {
            'step': step,
            'send_date': send_date,
            'subject': template['subject'].format(**variables),
            'body': template['body'].format(**variables)
        }
        sequence.append(email)

    return sequence

if __name__ == '__main__':
    vars = {'name': 'John', 'topic': 'email automation',
            'sender_name': 'Alex', 'original_subject': 'Quick question'}
    for email in generate_sequence(vars):
        print(f"Step {email['step']}: {email['subject']}")