package util

import (
	"C"
)
import (
	"encoding/json"
	"nosql_db_sdk_ffi/util/ptrproxy"
	"unsafe"

	"github.com/oracle/nosql-go-sdk/nosqldb/types"
)

//export ffi_map_new
func ffi_map_new(rust_json string) (GoMapPtr, UtilError) {
	var go_map map[string]interface{}
	err := json.Unmarshal([]byte(rust_json), &go_map)

	// println(rust_json)

	// forループを使用してキーと値を表示
	// for key, value := range go_map {
	// 	fmt.Printf("Key: %s, Value: %d\n", key, value)
	// }

	if err != nil {
		return nil, C.CString(err.Error())
	}
	value := types.NewMapValue(go_map)

	return GoMapPtr(ptrproxy.Ref(unsafe.Pointer(value))), nil
}

//export ffi_go_map_to_string
func ffi_go_map_to_string(unsafe_go_map_ptr GoMapPtr) (*C.char, UtilError) {
	go_map_ptr, ok := ptrproxy.Deref(unsafe.Pointer(unsafe_go_map_ptr))
	if !ok {
		return nil, C.CString("NosqldbPutRequestPtr cannot deref")
	}
	go_map := (*types.MapValue)(go_map_ptr)

	value, err := json.Marshal(go_map)
	if !ok {
		return nil, C.CString(err.Error())
	}
	return C.CString(string(value)), nil
}