#!/usr/bin/env python3
import os
import sys
from datetime import date
from zoneinfo import ZoneInfo

# Add the project root to Python path
project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
if project_root not in sys.path:
    sys.path.insert(0, project_root)

from app_core.config.settings import AppSettings
from app_core.services.mailer_service import MailerService

def send_report_for_date(service, settings, report_date):
    print(f"--- Processing date: {report_date} ---")
    
    # Check if we should skip if already sent (the user said "we need to send", so I'll skip the check unless specified)
    # if service.has_sent_for_date(str(report_date)):
    #     print(f"Already sent for {report_date}; skipping.")
    #     return

    df = service.fetch_daily_rows(report_date)
    if df.empty:
        print(f"No data for {report_date}. Skipping.")
        return

    row = df.iloc[0].to_dict()
    html = service.build_email_html(row, df)

    recipients_env = settings.report_recipients or os.getenv("REPORT_RECIPIENTS")
    if not recipients_env:
        print("Error: REPORT_RECIPIENTS env var is empty.")
        return

    recipients = [r.strip() for r in recipients_env.split(',') if r.strip()]
    subject = f"Daily Digest - {report_date}"
    
    print(f"Sending email to: {recipients}")
    ok, msg = service.send_email(recipients, subject=subject, html=html)
    
    service.log_email(
        recipients=recipients,
        subject=subject,
        date_for=str(report_date),
        status="sent" if ok else "failed",
        error=None if ok else msg
    )
    
    if ok:
        print(f"Successfully sent report for {report_date}")
    else:
        print(f"Failed to send report for {report_date}: {msg}")

def main():
    settings = AppSettings()
    service = MailerService(settings)
    
    dates_to_send = [
        date(2026, 3, 21),
        date(2026, 3, 22),
    ]
    
    for d in dates_to_send:
        send_report_for_date(service, settings, d)

if __name__ == "__main__":
    main()