using System;
using Microsoft.Extensions.Options;

namespace GB5Shared.Deployment
{
    public sealed class GB5Environment : IGB5Environment
    {
        private readonly GB5EnvironmentOptions _options;

        public GB5Environment(IOptions<GB5EnvironmentOptions> options)
        {
            _options = options.Value;
        }

        public GB5Tier Tier => _options.Environment;

        public bool IsLive => Tier == GB5Tier.Live;

        public string TierCode => Tier.ToString();

        public string Resolve(string baseConnectionName) =>
            Tier == GB5Tier.Live ? baseConnectionName : $"{baseConnectionName}-{TierCode}";

        public string GopEnvironmentCode => Tier switch
        {
            GB5Tier.Dev => "DEV",
            GB5Tier.QC => "QC",
            GB5Tier.Live => "PROD",
            _ => throw new NotSupportedException($"Unmapped GB5Tier '{Tier}'.")
        };
    }
}