using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Phares.Shared;
using System.Diagnostics;
using System.Reflection;
using View_by_Distance.Duplicate.Search.Models;
using View_by_Distance.Shared.Models.Stateless.Methods;

namespace View_by_Distance.Duplicate.Search;

public class Program
{

    public static void Secondary(ILogger<Program> logger, List<string> args)
    {
        Assembly assembly = Assembly.GetExecutingAssembly();
        bool debuggerWasAttachedAtLineZero = Debugger.IsAttached || assembly.Location.Contains(@"\bin\Debug");
        IsEnvironment isEnvironment = new(processesCount: null, nullASPNetCoreEnvironmentIsDevelopment: debuggerWasAttachedAtLineZero, nullASPNetCoreEnvironmentIsProduction: !debuggerWasAttachedAtLineZero);
        IConfigurationBuilder configurationBuilder = new ConfigurationBuilder()
            .AddEnvironmentVariables()
            .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
            .AddJsonFile(isEnvironment.AppSettingsFileName, optional: false, reloadOnChange: true)
            .AddUserSecrets<Program>();
        IConfigurationRoot configurationRoot = configurationBuilder.Build();
        AppSettings appSettings = Models.Binder.AppSettings.Get(configurationRoot);
        if (appSettings.MaxDegreeOfParallelism > Environment.ProcessorCount)
            throw new Exception("MaxDegreeOfParallelism must be =< Environment.ProcessorCount!");
        if (string.IsNullOrEmpty(appSettings.WorkingDirectoryName))
            throw new Exception("Working directory name must have a value!");
        string workingDirectory = IWorkingDirectory.GetWorkingDirectory(assembly.GetName().Name, appSettings.WorkingDirectoryName);
        Environment.SetEnvironmentVariable(nameof(workingDirectory), workingDirectory);
        int silentIndex = args.IndexOf("s");
        if (silentIndex > -1)
            args.RemoveAt(silentIndex);
        try
        {
            if (args is null)
                throw new Exception("args is null!");
            Shared.Models.Console console = new();
            _ = new DuplicateSearch(args, logger, isEnvironment, configurationRoot, appSettings, workingDirectory, silentIndex > -1, console);
        }
        catch (Exception ex)
        {
            logger?.LogError(ex, "Error!");
        }
        if (silentIndex > -1)
            logger?.LogDebug("Done. Bye");
        else
        {
            logger?.LogDebug("Done. Press 'Enter' to end");
            _ = Console.ReadLine();
        }
    }

    public static void Main(string[] args)
    {
        ILogger<Program>? logger = Host.CreateDefaultBuilder(args).Build().Services.GetRequiredService<ILogger<Program>>();
        if (args is not null)
            Secondary(logger, args.ToList());
        else
            Secondary(logger, new List<string>());
    }

}