from __future__ import annotations
import logging
import os
import httpx

logger = logging.getLogger(__name__)

RESEND_API_KEY = os.environ.get("RESEND_API_KEY", "")
FROM_EMAIL = "MERLx Aperture <noreply@aperture.merlx.org>"

async def send_completion_email(to_email: str, job_id: str, aoi_name: str) -> bool:
    if not RESEND_API_KEY:
        logger.warning(f"No RESEND_API_KEY — skipping email to {to_email} for job {job_id}")
        return False

    html = f"""
    <div style="font-family: Inter, sans-serif; max-width: 500px; margin: 0 auto; padding: 24px; background: #F5F3EE;">
        <div style="font-size: 14px; font-weight: 700; margin-bottom: 8px;">MERL<span style="color: #8071BC;">x</span></div>
        <h2 style="font-size: 18px; color: #111; margin-bottom: 12px;">Your analysis is ready</h2>
        <p style="font-size: 13px; color: #2A2A2A; line-height: 1.6;">
            The satellite analysis for <strong>{aoi_name}</strong> is complete.
        </p>
        <p style="font-size: 11px; color: #6B6B6B; margin-top: 20px;">
            Generated by MERLx Aperture using open satellite data.
        </p>
    </div>
    """

    async with httpx.AsyncClient() as client:
        resp = await client.post(
            "https://api.resend.com/emails",
            headers={"Authorization": f"Bearer {RESEND_API_KEY}"},
            json={"from": FROM_EMAIL, "to": [to_email], "subject": f"MERLx Aperture: Analysis ready — {aoi_name}", "html": html},
        )
    return resp.status_code == 200