using LCU.Library.Internal.IncentiveApiModels.Requests;
using LCU.Library.Internal.IncentiveApiModels.Results;
using LCU.Library.Internal.LCUServiceFactory.Configurations;
using Microsoft.Extensions.DependencyInjection;
using LCU.API.Internal.Operations.IncentiveApi.Services.NightlyIncentiveProcesses;
using LCU.Library.Internal.IncentiveApiModels.Entities;

namespace LCU.API.Internal.Operations.IncentiveApi.Services.NightlyDecisionServices;

public class ReferralActivityDecisionService : NightlyIncentiveProcessesService, INightlyIncentiveProcessesService
{
    private readonly IServiceScopeFactory _serviceScopeFactory;
    private readonly ProcessResult _processResult;

    public ReferralActivityDecisionService(ServicesFactoryConfiguration servicesFactoryConfiguration,
                                      IServiceScopeFactory serviceScopeFactory)
                                      : base(servicesFactoryConfiguration)
    {
        _serviceScopeFactory = serviceScopeFactory;
        _processResult = new ProcessResult();
    }

    public async Task<ProcessResult> RunProductDecisionProcess(NightlyIncentiveProcessRequest request)
    {
        try
        {
            var result = await UpdateAndDecideActivities();
            var message = $"{result.Count()} Referrals were updated";
            Log.Information(message);
            _processResult.MessageStack.Add(message);
        }
        catch (Exception exception)
        {
            var message = $"There was an issue with the Referral Update process. Exception Message: {exception.Message}.";
            _processResult.MessageStack.Add(message);
            _processResult.Success = false;
        }
        return _processResult;
    }

    public async Task<IReadOnlyCollection<ActivityStateChange>> UpdateAndDecideActivities()
    {
        using var scope = _serviceScopeFactory.CreateScope();
        var changes = await Task.Run(async () => await scope.ServiceProvider.GetRequiredService<IActivityService>().MatchOrExpireReferrals());

        return changes;
    }
}