package kernel

import "github.com/aws/jsii-runtime-go/internal/api"

type InvokeProps struct {
	Method    string        `json:"method"`
	Arguments []interface{} `json:"args"`
	ObjRef    api.ObjectRef `json:"objref"`
}

type StaticInvokeProps struct {
	FQN       api.FQN       `json:"fqn"`
	Method    string        `json:"method"`
	Arguments []interface{} `json:"args"`
}

type InvokeResponse struct {
	kernelResponse
	Result interface{} `json:"result"`
}

func (c *Client) Invoke(props InvokeProps) (response InvokeResponse, err error) {
	type request struct {
		kernelRequest
		InvokeProps
	}
	err = c.request(request{kernelRequest{"invoke"}, props}, &response)
	return
}

func (c *Client) SInvoke(props StaticInvokeProps) (response InvokeResponse, err error) {
	type request struct {
		kernelRequest
		StaticInvokeProps
	}
	err = c.request(request{kernelRequest{"sinvoke"}, props}, &response)
	return
}

// UnmarshalJSON provides custom unmarshalling implementation for response
// structs. Creating new types is required in order to avoid infinite recursion.
func (r *InvokeResponse) UnmarshalJSON(data []byte) error {
	type response InvokeResponse
	return unmarshalKernelResponse(data, (*response)(r), r)
}