package commons

import (
	"log"
	"reflect"
	"encoding/json"
)

func JsonPrintError(err error, content []byte) {
	if syntaxErr, ok := err.(*json.SyntaxError); ok {
		totalLen := int64(len(content))
		
		min := MathMin(int64(50), syntaxErr.Offset)

		from := MathMax(syntaxErr.Offset - min, 0)
		to := MathMin(syntaxErr.Offset + min, totalLen)

		sliceBuf := content[from:to]
		
		log.Printf("Failed to unmarshal %#v \n %s", syntaxErr, string(sliceBuf))
	} else {
		log.Printf("%v", err)
	}
} 

// JsonEqual check if two json string representations are equal.
func JsonEqual(a, b string) bool {
	var o1 any
	var o2 any

	if err := json.Unmarshal([]byte(a), &o1); err != nil {
		return false
	}

	if err := json.Unmarshal([]byte(b), &o2); err != nil {
		return false
	}

	return reflect.DeepEqual(o1, o2)
}