import frappe
from frappe import _

@frappe.whitelist()
def create_customer_full(**data):
    frappe.only_for(["System Manager", "Sales User", "Sales Manager"])

    required = [
        "customer_name",
        "customer_type",
        "customer_group",
        "mobile_no",
        "address_line1",
        "pincode",
        "country"
    ]

    for field in required:
        if not data.get(field):
            frappe.throw(_(f"Missing required field: {field}"))

    # Prevent duplicates
    if frappe.db.exists("Customer", {"customer_name": data["customer_name"]}):
        frappe.throw(_("Customer already exists"))

    try:
        frappe.db.begin()

        if data.get("custom_auto_pay_enabled") and not data.get("custom_auto_pay_id"):
            frappe.throw("Auto Pay ID is required when Auto Pay is enabled.")


        customer = frappe.get_doc({
            "doctype": "Customer",
            "customer_name": data["customer_name"],
            "customer_type": data["customer_type"],
            "customer_group": data["customer_group"],
            "territory": "United States",
            "custom_auto_pay_status": 1 if data.get("custom_auto_pay_enabled") else 0,
            "custom_auto_pay_id": data.get("custom_auto_pay_id") if data.get("custom_auto_pay_enabled") else "", 
            "custom_send_via": data.get("custom_send_via"),
        }).insert(ignore_permissions=True)


        contact = frappe.get_doc({
            "doctype": "Contact",
            "first_name": data["customer_name"]
                if data["customer_type"] == "Individual"
                else data["customer_name"],
            "email_ids": [{
                "email_id": data.get("email_id"),
                "is_primary": 1
            }] if data.get("email_id") else [],
            "phone_nos": [{
                "phone": data["mobile_no"],
                "is_primary_phone": 1
            }],
            "links": [{
                "link_doctype": "Customer",
                "link_name": customer.name
            }]
        }).insert(ignore_permissions=True)

        address = frappe.get_doc({
            "doctype": "Address",
            "address_title": customer.name,
            "address_type": "Billing",
            "address_line1": data["address_line1"],
            "address_line2": data.get("address_line2"),
            "city": data.get("city"),
            "state": data.get("state"),
            "pincode": data["pincode"],
            "country": data["country"],
            "links": [{
                "link_doctype": "Customer",
                "link_name": customer.name
            }]
        }).insert(ignore_permissions=True)

        frappe.db.commit()

        return customer.name

    except Exception:
        frappe.db.rollback()
        frappe.log_error(frappe.get_traceback(), "NS App: Create Customer Failed")
        raise