using System;

namespace UnityConsole
{
    public static class ConsoleCommandHelpers
    {
        public static ConsoleCommandResult ExtractBool(
            Action<bool> action,
            params string[] args)
        {
            if (args.Length != 1)
            {
                return ConsoleCommandResult.Failed("Expecting 1 argument");
            }

            if (!bool.TryParse(args[0], out var boolVal))
            {
                if (!int.TryParse(args[0], out var intVal))
                {
                    return ConsoleCommandResult.Failed("Expecting 'true' or 'false', '0' or '1'");
                }

                boolVal = intVal != 0;
            }

            action(boolVal);
            return ConsoleCommandResult.Succeeded();
        }

        public static ConsoleCommandResult ExtractInt(
            Action<int> action,
            params string[] args)
        {
            if (args.Length != 1)
            {
                return ConsoleCommandResult.Failed("Requires 1 argument");
            }

            if (!int.TryParse(args[0], out var intVal))
            {
                return ConsoleCommandResult.Failed("Argument (" + args[0] + ") is not a number");
            }

            action(intVal);
            return ConsoleCommandResult.Succeeded();
        }

        public static ConsoleCommandResult ExtractFloat(
            Action<float> action,
            params string[] args)
        {
            if (args.Length != 1)
            {
                return ConsoleCommandResult.Failed("Requires 1 argument");
            }

            if (!float.TryParse(args[0], out var floatVal))
            {
                return ConsoleCommandResult.Failed("Argument (" + args[0] + ") is not a number");
            }

            action(floatVal);
            return ConsoleCommandResult.Succeeded();
        }
    }
}