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path: root/BugMine.DevTools.CLI/Worker.cs
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using System.Diagnostics;
using System.Text.Json;
using ArcaneLibs.Extensions;
using BugMine.Web.Classes;
using LibMatrix.EventTypes.Spec.State;
using LibMatrix.Responses;
using LibMatrix.Services;

namespace BugMine.DevTools.CLI;

public class Worker(ILogger<Worker> logger, HomeserverProviderService hsProvider) : BackgroundService {
    private readonly ILogger<Worker> _logger = logger;
    private BugMineClient? Client { get; set; }

    protected override async Task ExecuteAsync(CancellationToken stoppingToken) {
        if (!File.Exists("auth.json")) {
            Console.Write("Homeserver: ");
            var homeserver = Console.ReadLine()!;
            Console.Write("Username: ");
            var username = Console.ReadLine()!;
            Console.Write("Password: ");
            var password = Console.ReadLine()!;

            var login = await hsProvider.Login(homeserver, username, password);
            await File.WriteAllTextAsync("auth.json", login.ToJson(), stoppingToken);
        }

        var auth = await JsonSerializer.DeserializeAsync<LoginResponse>(File.OpenRead("auth.json"));
        Client = new BugMineClient(await hsProvider.GetAuthenticatedWithToken(auth.Homeserver, auth.AccessToken, useGeneric: true));

        while (!stoppingToken.IsCancellationRequested) {
            Console.WriteLine("""
                              1) List all projects
                              2) Mass create projects
                              3) Destroy all projects
                              4) Get room count
                              5) Summarize all projects
                              6) Mass create regular rooms

                              L) Logout
                              Q) Quit
                              """);

            var input = Console.ReadKey();
            Console.WriteLine();
            switch (input.Key) {
                case ConsoleKey.D1: {
                    var sw = Stopwatch.StartNew();
                    var projects = Client.GetProjects();
                    await foreach (var project in projects) {
                        Console.WriteLine(project.ToJson(indent: false));
                    }

                    Console.WriteLine($"Queried in {sw.Elapsed}");
                    break;
                }
                case ConsoleKey.D2: {
                    await MassCreateProjects();
                    break;
                }
                case ConsoleKey.D3: {
                    await DestroyAllProjects();
                    break;
                }
                case ConsoleKey.D4: {
                    var sw = Stopwatch.StartNew();
                    var rooms = await Client.Homeserver.GetJoinedRooms();
                    Console.WriteLine(rooms.Count() + " rooms.");
                    var projectCount = 0;
                    await foreach (var room in Client.Homeserver.GetJoinedRoomsByType("gay.rory.bugmine.project").WithCancellation(stoppingToken)) {
                        projectCount++;
                    }

                    Console.WriteLine($"{projectCount} projects ({rooms.Count} rooms) queried in {sw.Elapsed}");
                    break;
                }
                case ConsoleKey.D5: {
                    await SummarizeAllProjects();
                    break;
                }
                case ConsoleKey.D6: {
                    var sw = Stopwatch.StartNew();
                    await Task.WhenAll(Enumerable.Range(0,1000).Select(async _ => {
                        await Client.Homeserver.CreateRoom(new() {
                            Name = Guid.NewGuid().ToString()[..8]
                        });
                    }));
                    Console.WriteLine($"Created 1000 rooms in {sw.Elapsed}");
                    break;
                }
                case ConsoleKey.L: {
                    File.Delete("auth.json");
                    await ExecuteAsync(stoppingToken);
                    return;
                }
                case ConsoleKey.Q: {
                    Environment.Exit(0);
                    return;
                }
            }
        }
    }

    private async Task DestroyAllProjects() {
        var ss = new SemaphoreSlim(48, 48);
        await foreach (var proj in Client.Homeserver.GetJoinedRoomsByType("gay.rory.bugmine.project")) {
            Task.Run(async () => {
                // await ss.WaitAsync();
                // await proj.SendStateEventAsync(RoomNameEventContent.EventId, new RoomNameEventContent() {
                //     Name = "Disbanded BugMine project."
                // });
                // await proj.SendStateEventAsync(RoomJoinRulesEventContent.EventId, new RoomJoinRulesEventContent() {
                //     JoinRule = RoomJoinRulesEventContent.JoinRules.Private
                // });
                // await proj.SendStateEventAsync(RoomCanonicalAliasEventContent.EventId, new RoomCanonicalAliasEventContent() {
                //     Alias = null
                // });
                await proj.LeaveAsync("Disbanded room.");
                // ss.Release();
            });
        }
    }

    private async Task MassCreateProjects() {
        // var rooms = await Client.Homeserver.GetJoinedRooms();
        // List<string> roomNames = (await Task.WhenAll(rooms.Select(x => x.GetNameAsync()))).Where(x => x != 
        var tasks = new List<Task>();
        for (int i = 0; i < 500; i++) {
            tasks.Add(Task.Run(async () => {
                // var randomName = roomNames[Random.Shared.Next(roomNames.Count)];
                var proj = await Client.CreateProject(new() {
                    Name = /*randomName + */Guid.NewGuid().ToString()[..8]
                });

                // await proj.CreateIssue(new() {
                //     Name = "meow"
                // });
                await CreateRandomIssues(proj, Random.Shared.Next(20));
            }));
            // await Task.Delay(250);
        }

        await Task.WhenAll(tasks);
    }

    private async Task<string> SummarizeProject(BugMineProject project) {
        string result = $"Project: {project.Info.Name}, slug: {project.ProjectSlug}, metadata: {project.Metadata.ToJson(indent: false)}";
        await foreach (var issue in project.GetIssues()) {
            // Console.WriteLine($" - {issue.Data.RawContent.ToJson(indent: false)}");
            result += $"\n - {issue.Data.RawContent.ToJson(indent: false)}";
        }

        return result;
    }

    private async Task SummarizeAllProjects() {
        var sw = Stopwatch.StartNew();
        var tasks = new List<Task<string>>();
        await foreach (var project in Client.GetProjects()) {
            tasks.Add(SummarizeProject(project));
        }

        int projects = 0;
        int issues = 0;
        await foreach (var res in tasks.ToAsyncEnumerable()) {
            Console.WriteLine(res + "\n");
            projects++;
            issues += res.Count(x => x == '\n');
        }

        Console.WriteLine($"Summarized {projects} projects with {issues} issues in {sw.Elapsed}");
    }

    private async Task CreateRandomIssues(BugMineProject project, int count) {
        await Task.WhenAll(Enumerable.Range(0, count).Select(async i => {
            await project.CreateIssue(new() {
                Name = $"Issue {i} @ {DateTime.Now}"
            });
        }));
    }
}