using System;

namespace Centron.Scripts
{
    public static class EnvironmentHelper
    {
        public static string GetEnvironmentVariable(string name)
        {
            var targets = new[]
            {
                EnvironmentVariableTarget.Process,
                EnvironmentVariableTarget.User,
                EnvironmentVariableTarget.Machine
            };

            foreach (var target in targets)
            {
                var value = Environment.GetEnvironmentVariable(name, target);

                if (string.IsNullOrWhiteSpace(value) == false)
                    return value;
            }

            return null;
        }

        public static bool IsDevBuild()
        {
            // IsDevBuild is true by default
            // It is only supposed to be false, when it's set through the environment variable to false
            string environmentVariable = GetEnvironmentVariable(EnvironmentVariables.IsDevBuild);
            bool isDevBuild = bool.TryParse(environmentVariable, out var f) ? f : true;

            return isDevBuild;
        }

        public static bool RunningInAzurePipelines()
        {
            string environmentVariable = GetEnvironmentVariable(EnvironmentVariables.RunningInAzurePipelines);
            return bool.TryParse(environmentVariable, out var f) ? f : false;
        }
        
        public static bool UseLongTimeout()
        {
            string environmentVariable = GetEnvironmentVariable(EnvironmentVariables.UseLongTimeout);
            return bool.TryParse(environmentVariable, out var f) ? f : false;
        }
    }
}