using Dlhis.Middle.Apis;
using Dlhis.Middle.Request;
using Kurisu.AspNetCore.UnifyResultAndValidation;

namespace Dlhis.Middle.Services.Implements;

public class HealthCheckService : IHealthCheckService
{
    private bool _isOffline;
    private readonly ILogger<HealthCheckService> _logger;
    private readonly ISettingService _settingService;
    private readonly ICommonApi _healthCheckApi;
    private int _attempted;

    private bool _isBegin;

    public HealthCheckService(ILogger<HealthCheckService> logger,
        ISettingService settingService,
        ICommonApi healthCheckApi)
    {
        _logger = logger;
        _settingService = settingService;
        _healthCheckApi = healthCheckApi;
    }

    public bool GetIsOffline()
    {
        return _isOffline;
    }

    public async Task<bool> DoHealthCheckAsync()
    {
        try
        {
            var factories = _settingService.GetFactories();

            var response = await _healthCheckApi.CheckHealthAsync(new HealthCheckRequest { Factories = factories.ToList() });
            if (response.Code == ApiStateCode.Success)
            {
                _attempted++;
                if (_attempted == 5)
                {
                    _isOffline = false;
                    _attempted = 0;
                }

                if (!_isBegin)
                {
                    _isOffline = false;
                    _isBegin = true;
                }

                await Task.Delay(_attempted * 1000);
                
                if (_isOffline == false)
                {
                    _logger.LogInformation("Health");
                    return true;
                }
            }
            else
            {
                _isOffline = true;
                _logger.LogInformation("Error {message}", response.Msg);
            }
        }
        catch (Exception ex)
        {
            _logger.LogError("Failed cause :{reason}", ex.Message);
            _isOffline = true;
            await Task.Delay(5000);
        }
        
        return false;
    }
}