using Azure;
using Azure.Monitor.Query;
using Azure.Monitor.Query.Models;
using Azure.ResourceManager;
using Azure.ResourceManager.Resources;
using Microsoft.Extensions.Logging;
using ProperDI.Azure.Endpoints.ResourceGroup.Models;

namespace ProperDI.Azure.Endpoints.ResourceGroup;

public interface IActivityLogReader
{
    Task ScanAppAsync(string appName, CancellationToken cancellationToken, QueryTimeRange? givenTimeRange);
    Task ScanAllAsync(CancellationToken cancellationToken);
}

public class ActivityLogReader : IActivityLogReader
{
    private readonly ILogger<ActivityLogReader> _logger;
    private readonly ArmClient _armClient;
    private readonly LogsQueryClient _logsQueryClient;

    public ActivityLogReader(ILogger<ActivityLogReader> logger, ArmClient armClient, LogsQueryClient logsQueryClient)
    {
        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
        _armClient = armClient ?? throw new ArgumentNullException(nameof(armClient));
        _logsQueryClient = logsQueryClient ?? throw new ArgumentNullException(nameof(logsQueryClient));
    }

    public async Task ScanAppAsync(string appName, CancellationToken cancellationToken, QueryTimeRange? givenTimeRange = default)
    {
        var timeRange = givenTimeRange ?? new QueryTimeRange(DateTime.UtcNow.AddDays(-7), DateTime.UtcNow);
        
        try
        {
            _logger.LogInformation("Scanning for resources");
            await ScanLogsForAppActivityAsync();
        }
        catch (TaskCanceledException)
        {
            _logger.LogWarning("Task canceled");
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Http request failed");
            throw;
        }
    }

    public async Task ScanAllAsync(CancellationToken cancellationToken)
    {
        throw new NotImplementedException();
    }

    public async Task ScanLogsForAppActivityAsync()
    {
    }


    private async Task<SubscriptionResource> GetDefaultSubscriptionAsync(CancellationToken cancellationToken)
    {
        try
        {
            var sub = await _armClient.GetDefaultSubscriptionAsync(cancellationToken);

            
            return sub;
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Failed to retrieve default subscription");
            throw;
        }
    }
}