import java.util.Arrays;
import org.cuelang.cue.*;

public class ConvertValues {
    public static void main(String[] args) throws Exception {
        var ctx = new CueContext();

        // The toValue() method converts a Java value to a CUE value.
        var v1 = ctx.toValue(42);
        // A Value can also be constructed, which achieves the same result.
        var v2 = new Value(ctx, 42);
        System.out.println("v1 equals v2: " + v1.equals(v2));
        System.out.println();

        // Various Java types can be converted using either mechanism.
        var aBool   = ctx.toValue(false);
        var aLong   = ctx.toValue(42);
        var aDouble = ctx.toValue(1.2345);
        var aString = new Value(ctx, "Hello!");
        byte[] buf  = {1, 2, 3, 4, 5};
        var aSlice  = ctx.toValue(buf);

        // The different getX() methods convert a concrete CUE value to a Java value.
        System.out.println("aBool is: \t" + aBool.getBoolean());
        System.out.println("aLong is: \t" + aLong.getLong());
        System.out.println("aDouble is: " + aDouble.getDouble());
        System.out.println("aString is: " + aString.getString());
        System.out.println("aSlice is: \t" + Arrays.toString(aSlice.getBytes()));
        System.out.println();

        // The getJSON() method converts a concrete CUE value to its JSON
        // representation as a Java String.
        var aStruct = ctx.compile("""
            x: {
                y: {
                    a: true
                    b: 42
                }
            }
        """);
        System.out.println("aStruct as JSON: \t" + aStruct.getJSON());
        System.out.println("aString as JSON: \t" + aString.getJSON());
        System.out.println("aBool as JSON: \t\t" + aBool.getJSON());
    }
}