"""Setup email notifications in ERPNext for DiDi.

Required env vars:
  SENDGRID_API_KEY        — SendGrid SMTP credential (starts with `SG.`)
  ERPNEXT_ADMIN_PASSWORD  — ERPNext Administrator password (default: admin, dev only)
  ERPNEXT_URL             — ERPNext base URL (default: http://localhost:8080)
"""
import sys, io, os, requests
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8")

SENDGRID_API_KEY = os.environ.get("SENDGRID_API_KEY")
if not SENDGRID_API_KEY:
    print("ERROR: SENDGRID_API_KEY env var not set. Export it before running:")
    print("  export SENDGRID_API_KEY='SG.your-real-key-here'")
    exit(1)

URL = os.environ.get("ERPNEXT_URL", "http://localhost:8080")
ADMIN_PWD = os.environ.get("ERPNEXT_ADMIN_PASSWORD", "admin")

s = requests.Session()
r = s.post(f"{URL}/api/method/login", data={"usr": "Administrator", "pwd": ADMIN_PWD})
if r.status_code != 200:
    print(f"Login failed: {r.status_code} — check ERPNEXT_ADMIN_PASSWORD")
    exit(1)
print("Logged in")

def exists(doctype, name):
    r = s.get(f"{URL}/api/resource/{requests.utils.quote(doctype)}/{requests.utils.quote(name)}")
    return r.status_code == 200

# ── 1. Email Account (SendGrid) ──
print("\n1. Email Account...")
if exists("Email Account", "DiDi Outgoing"):
    print("  Already exists")
else:
    r = s.post(f"{URL}/api/resource/Email%20Account", json={
        "email_account_name": "DiDi Outgoing",
        "email_id": "office@clossers.com",
        "smtp_server": "smtp.sendgrid.net",
        "smtp_port": 587,
        "use_tls": 1,
        "use_ssl": 0,
        "login_id_for_outgoing": 1,
        "login_id": "apikey",
        "password": SENDGRID_API_KEY,
        "default_outgoing": 1,
        "enable_outgoing": 1,
        "enable_incoming": 0,
        "send_notifications": 1,
        "always_use_account_email_id_as_sender": 1,
        "always_use_account_name_as_sender_name": 1,
        "append_to": "",
    })
    print(f"  Created: {r.status_code}")

# ── 2. Notification: Factura Emisa ──
print("\n2. Notification: Factura Emisa...")
if exists("Notification", "DiDi - Factura Emisa"):
    print("  Already exists")
else:
    r = s.post(f"{URL}/api/resource/Notification", json={
        "name": "DiDi - Factura Emisa",
        "subject": "Factura {{ doc.name }} - {{ doc.grand_total }} {{ doc.currency }}",
        "document_type": "Sales Invoice",
        "event": "Submit",
        "channel": "Email",
        "attach_print": 1,
        "print_format": "DiDi Invoice",
        "condition": "doc.docstatus == 1",
        "recipients": [
            {
                "receiver_by_document_field": "contact_email",
            }
        ],
        "message": """<div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto;">
<div style="background-color: #0d9488; padding: 20px; text-align: center;">
<h1 style="color: white; margin: 0;">DiDi - Factura Emisa</h1>
</div>
<div style="padding: 30px; background: #f9fafb;">
<p>Stimate client,</p>
<p>Va informam ca a fost emisa factura <strong>{{ doc.name }}</strong>.</p>
<table style="width: 100%; border-collapse: collapse; margin: 20px 0;">
<tr style="background: #e5e7eb;"><td style="padding: 8px; font-weight: bold;">Nr. Factura</td><td style="padding: 8px;">{{ doc.name }}</td></tr>
<tr><td style="padding: 8px; font-weight: bold;">Data</td><td style="padding: 8px;">{{ doc.posting_date }}</td></tr>
<tr style="background: #e5e7eb;"><td style="padding: 8px; font-weight: bold;">Total</td><td style="padding: 8px;">{{ doc.grand_total }} {{ doc.currency }}</td></tr>
<tr><td style="padding: 8px; font-weight: bold;">Status</td><td style="padding: 8px;">{{ doc.status }}</td></tr>
</table>
<p>Factura in format PDF este atasata la acest email.</p>
<p>Va multumim,<br><strong>Echipa DiDi / Clossers</strong></p>
</div>
<div style="padding: 15px; text-align: center; font-size: 12px; color: #9ca3af;">
TOP CLOSSERS SRL | CUI: 36193026 | office@clossers.com
</div>
</div>""",
        "enabled": 1,
    })
    print(f"  Created: {r.status_code}")

# ── 3. Notification: Plata Confirmata ──
print("\n3. Notification: Plata Confirmata...")
if exists("Notification", "DiDi - Plata Confirmata"):
    print("  Already exists")
else:
    r = s.post(f"{URL}/api/resource/Notification", json={
        "name": "DiDi - Plata Confirmata",
        "subject": "Plata confirmata - {{ doc.amount }} {{ doc.currency }}",
        "document_type": "Payment Log",
        "event": "New",
        "channel": "Email",
        "condition": "doc.status == 'Succeeded'",
        "recipients": [
            {
                "receiver_by_document_field": "customer",
            }
        ],
        "message": """<div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto;">
<div style="background-color: #0d9488; padding: 20px; text-align: center;">
<h1 style="color: white; margin: 0;">Plata Confirmata</h1>
</div>
<div style="padding: 30px; background: #f9fafb;">
<p>Stimate client,</p>
<p>Va confirmam ca plata dumneavoastra a fost procesata cu succes.</p>
<table style="width: 100%; border-collapse: collapse; margin: 20px 0;">
<tr style="background: #e5e7eb;"><td style="padding: 8px; font-weight: bold;">Suma</td><td style="padding: 8px;">{{ doc.amount }} {{ doc.currency }}</td></tr>
<tr><td style="padding: 8px; font-weight: bold;">Status</td><td style="padding: 8px;">{{ doc.status }}</td></tr>
<tr style="background: #e5e7eb;"><td style="padding: 8px; font-weight: bold;">Data</td><td style="padding: 8px;">{{ doc.creation }}</td></tr>
</table>
<p>Factura fiscala va fi disponibila in dashboard-ul dumneavoastra.</p>
<p>Va multumim,<br><strong>Echipa DiDi / Clossers</strong></p>
</div>
<div style="padding: 15px; text-align: center; font-size: 12px; color: #9ca3af;">
TOP CLOSSERS SRL | CUI: 36193026 | office@clossers.com
</div>
</div>""",
        "enabled": 1,
    })
    print(f"  Created: {r.status_code}")

# ── 4. Notification: Expirare Abonament (7 zile inainte) ──
print("\n4. Notification: Expirare Abonament...")
if exists("Notification", "DiDi - Expirare Abonament Notificare"):
    print("  Already exists")
else:
    r = s.post(f"{URL}/api/resource/Notification", json={
        "name": "DiDi - Expirare Abonament Notificare",
        "subject": "Abonamentul dumneavoastra expira in curand",
        "document_type": "Subscription",
        "event": "Days Before",
        "days_in_advance": 7,
        "date_changed": "current_invoice_end",
        "channel": "Email",
        "condition": "doc.status == 'Active'",
        "recipients": [
            {
                "receiver_by_document_field": "party",
            }
        ],
        "message": """<div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto;">
<div style="background-color: #f59e0b; padding: 20px; text-align: center;">
<h1 style="color: white; margin: 0;">Abonament - Expirare Apropiata</h1>
</div>
<div style="padding: 30px; background: #f9fafb;">
<p>Stimate client,</p>
<p>Va informam ca abonamentul dumneavoastra expira pe <strong>{{ doc.current_invoice_end }}</strong>.</p>
<p>Pentru a continua sa beneficiati de serviciile DiDi, va rugam sa reinnoti abonamentul din dashboard.</p>
<p>Va multumim,<br><strong>Echipa DiDi / Clossers</strong></p>
</div>
</div>""",
        "enabled": 1,
    })
    print(f"  Created: {r.status_code}")

print("\nDone! Email infrastructure ready.")
print("Email Account 'DiDi Outgoing' configured with key from SENDGRID_API_KEY env var.")
print("To rotate the key, run this script again with a new SENDGRID_API_KEY value.")