import frappe

@frappe.whitelist()
def create_delete_request(target_doctype, target_name, target_display, reason, department):
    """Create a deletion request for any doctype"""
    doc = frappe.new_doc("Delete Request")
    doc.target_doctype = target_doctype
    doc.target_name = target_name
    doc.target_display = target_display or target_name
    doc.reason = reason or ""
    doc.department = department or ""
    doc.requested_by = frappe.session.user
    doc.status = "Pending"
    doc.workflow_state = "Pending Supervisor"
    doc.insert(ignore_permissions=False)
    return {"name": doc.name, "status": "created"}

@frappe.whitelist()
def get_pending_requests(doctype_filter=None):
    """Get pending requests for current approver"""
    filters = {"workflow_state": ["in", ["Pending Supervisor", "Pending Cluster Manager"]]}
    if doctype_filter:
        filters["target_doctype"] = doctype_filter
    return frappe.get_list(
        "Delete Request",
        filters=filters,
        fields=["name", "target_doctype", "target_name", "target_display",
                "reason", "department", "requested_by", "workflow_state", "creation"]
    )