// Copyright (C) 2025, The Duplicati Team
// https://duplicati.com, hello@duplicati.com
// 
// Permission is hereby granted, free of charge, to any person obtaining a 
// copy of this software and associated documentation files (the "Software"), 
// to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the 
// Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in 
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
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// DEALINGS IN THE SOFTWARE.

using System.CommandLine;
using System.CommandLine.NamingConventionBinder;

namespace Duplicati.CommandLine.ServerUtil.Commands;

public static class ServerStatus
{
    public static Command Create() =>
        new Command("status", "Gets the server status")
        .WithHandler(CommandHandler.Create<Settings, OutputInterceptor>(async (settings, output) =>
        {
            var state = await (await settings.GetConnection(output)).GetServerState();
            
            output.AppendConsoleMessage($"Server state: {state.ProgramState}");
            output.AppendCustomObject("ServerState", state.ProgramState);
            
            if (state.ActiveTask != null)
            {
                output.AppendConsoleMessage(
                    $"Active task: [Task {state.ActiveTask.Item1}]: BackupId = {state.ActiveTask.Item2}");
                output.AppendCustomObject("ActiveTask",
                    new { Task = state.ActiveTask.Item1, BackupId = state.ActiveTask.Item2 });
            }
            else
            {
                output.AppendConsoleMessage("Active task: None");
                output.AppendCustomObject("ActiveTask", null);
            }

            if (state.SchedulerQueueIds.Any())
            {
                output.AppendConsoleMessage("Scheduled tasks:");
                foreach (var (taskId, backupId) in state.SchedulerQueueIds) output.AppendConsoleMessage($"  [Task {taskId}]: BackupId = {backupId}");
                output.AppendCustomObject("SchedulerTasks", state.SchedulerQueueIds.Select(id => new { Task = id.Item1, BackupId = id.Item2 }).ToArray());
            }
            else
            {
                output.AppendConsoleMessage("Scheduler tasks: Empty");
                output.AppendCustomObject("SchedulerTasks", null);
            }
            
            output.SetResult(true);
        }));
}