using CommandLine;
using Esiur.CLI;
using Esiur.Data;
using Microsoft.CodeAnalysis;
using System;
using System.Diagnostics;
using System.IO;
using System.Reflection;


if (args.Length > 0)
{
    if (args[0].ToLower() == "get-template" && args.Length >= 2)
    {
        try
        {
            var url = args[1];

            Parser.Default.ParseArguments<GetTemplateOptions>(args.Skip(2))
                               .WithParsed<GetTemplateOptions>(o =>
                                {
                                    try
                                    {
                                        var path = Esiur.Proxy.TemplateGenerator.GetTemplate(url, o.Dir, false, o.Username, o.Password, o.AsyncSetters);
                                        Console.WriteLine($"Generated successfully: {path}");
                                    }
                                    catch (Exception ex)
                                    {
                                        Console.WriteLine(ex.ToString());
                                    }
                                });
            return;
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex.ToString());
            return;
        }
    }
    else if (args[0].ToLower() == "version")
    {
        var version = FileVersionInfo.GetVersionInfo(typeof(Esiur.Core.AsyncReply).Assembly.Location).FileVersion;

        Console.WriteLine("Esiur " + version);
        return;
    }
}

PrintHelp();


static void PrintHelp()
{
    var version = FileVersionInfo.GetVersionInfo(typeof(Esiur.Core.AsyncReply).Assembly.Location).FileVersion;


    Console.WriteLine("Usage: <command> [arguments]");
    Console.WriteLine("");
    Console.WriteLine("Available commands:");
    Console.WriteLine("\tget-template\tGet a template from an IIP link.");
    Console.WriteLine("\tversion\t\tPrint Esiur version.");
    Console.WriteLine("");
    Console.WriteLine("Global options:");
    Console.WriteLine("\t-u, --username\t\tAuthentication username.");
    Console.WriteLine("\t-p, --password\t\tAuthentication password.");
    Console.WriteLine("\t-d, --dir\t\tDirectory name where the generated models will be saved.");
    Console.WriteLine("\t-a, --async-setters\tUse asynchronous property setters.");

}