using Serilog;
using System;
using TINK.Model.Connector;
using TINK.Repository.Response;

namespace TINK.Repository
{
    public static class CopriCallsStatic
    {
#if !USCSHARP9
        private static Version UNSUPPORTEDFUTURECOPRIVERSIONLOWER = new Version(4, 1);
#else
        private static Version UNSUPPORTEDFUTURECOPRIVERSIONLOWER = new(4, 1);
#endif

#if !USCSHARP9
        private static Version UNSUPPORTEDFUTURECOPRIVERSIONUPPER = new Version(4, 2);
#else
        private static Version UNSUPPORTEDFUTURECOPRIVERSIONUPPER = new(4, 2);
#endif
        public static Version UnsupportedVersionLower => UNSUPPORTEDFUTURECOPRIVERSIONLOWER;

        public static Version UnsupportedVersionUpper => UNSUPPORTEDFUTURECOPRIVERSIONUPPER;

        /// <summary> Deserializes reponse JSON if response is of supported version or provides default response otherwise. </summary>
        /// <typeparam name="T">Type of response object.</typeparam>
        /// <param name="response">Response JSON.</param>
        /// <param name="emptyResponseFactory">Factory providing default delegate.</param>
        /// <returns>Response object.</returns>
        public static T DeserializeResponse<T>(this string response, Func<string, T> emptyResponseFactory) where T: class
        {
            // Get COPRI version from respone.
            var bikeInfoBase = JsonConvertRethrow.DeserializeObject<VersionindependentResponse>(response)?.shareejson;

            if (bikeInfoBase.GetCopriVersion() < UNSUPPORTEDFUTURECOPRIVERSIONLOWER
                || bikeInfoBase.GetCopriVersion() >= UNSUPPORTEDFUTURECOPRIVERSIONUPPER)
            {
                return emptyResponseFactory?.Invoke(bikeInfoBase.copri_version) ?? null;
            }

            return JsonConvertRethrow.DeserializeObject<ResponseContainer<T>>(response)?.shareejson;
        }

        /// <summary> Deserializes reponse JSON if response is of supported version or throws an exception. </summary>
        /// <typeparam name="T">Type of response object.</typeparam>
        /// <param name="response">Response JSON.</param>
        /// <param name="unsupportedVersionExectpion">Exception to fire.</param>
        /// <returns>Response object.</returns>
        public static T DeserializeResponse<T>(this string response, Func<string, System.Exception> unsupportedVersionExectpion = null) where T : class
        {

            // Get COPRI version from respone.
            var bikeInfoBase = JsonConvertRethrow.DeserializeObject<VersionindependentResponse>(response)?.shareejson;

            if (bikeInfoBase.GetCopriVersion() < UNSUPPORTEDFUTURECOPRIVERSIONLOWER
                || bikeInfoBase.GetCopriVersion() >= UNSUPPORTEDFUTURECOPRIVERSIONUPPER)
            {
                Log.Error($"Unsupported copri version {bikeInfoBase.copri_version} detected on attempt to log in.");
                throw unsupportedVersionExectpion?.Invoke(bikeInfoBase.copri_version) ?? new System.Exception($"Unsupported COPRI version {bikeInfoBase.copri_version} detected.");
            }

            return JsonConvertRethrow.DeserializeObject<ResponseContainer<T>>(response)?.shareejson;
        }
    }
}