using System;
using System.Collections.Generic;
using System.IO;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc.Testing;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using StellaOps.Scheduler.WebService.Options;
using StellaOps.Scheduler.WebService.Runs;
using StellaOps.Scheduler.ImpactIndex;

namespace StellaOps.Scheduler.WebService.Tests;

public sealed class SchedulerWebApplicationFactory : WebApplicationFactory<Program>
{
    protected override void ConfigureWebHost(IWebHostBuilder builder)
    {
        builder.ConfigureAppConfiguration((_, configuration) =>
        {
            var fixtureDirectory = GetFixtureDirectory();

            configuration.AddInMemoryCollection(new[]
            {
                new KeyValuePair<string, string?>("Scheduler:Authority:Enabled", "false"),
                new KeyValuePair<string, string?>("Scheduler:Cartographer:Webhook:Enabled", "false"),
                new KeyValuePair<string, string?>("Scheduler:Events:GraphJobs:Enabled", "false"),
                new KeyValuePair<string, string?>("Scheduler:Events:Webhooks:Conselier:Enabled", "true"),
                new KeyValuePair<string, string?>("Scheduler:Events:Webhooks:Conselier:HmacSecret", "conselier-secret"),
                new KeyValuePair<string, string?>("Scheduler:Events:Webhooks:Conselier:RateLimitRequests", "20"),
                new KeyValuePair<string, string?>("Scheduler:Events:Webhooks:Conselier:RateLimitWindowSeconds", "60"),
                new KeyValuePair<string, string?>("Scheduler:Events:Webhooks:Excitor:Enabled", "true"),
                new KeyValuePair<string, string?>("Scheduler:Events:Webhooks:Excitor:HmacSecret", "excitor-secret"),
                new KeyValuePair<string, string?>("Scheduler:Events:Webhooks:Excitor:RateLimitRequests", "20"),
                new KeyValuePair<string, string?>("Scheduler:Events:Webhooks:Excitor:RateLimitWindowSeconds", "60"),
                new KeyValuePair<string, string?>("Scheduler:ImpactIndex:FixtureDirectory", fixtureDirectory)
            });
        });

        builder.ConfigureServices(services =>
        {
            var fixtureDirectory = GetFixtureDirectory();

            services.RemoveAll<ImpactIndexStubOptions>();
            services.AddSingleton(new ImpactIndexStubOptions
            {
                FixtureDirectory = fixtureDirectory,
                SnapshotId = "tests/impact-index-stub"
            });

            services.Configure<SchedulerEventsOptions>(options =>
            {
                options.Webhooks ??= new SchedulerInboundWebhooksOptions();
                options.Webhooks.Conselier ??= SchedulerWebhookOptions.CreateDefault("conselier");
                options.Webhooks.Excitor ??= SchedulerWebhookOptions.CreateDefault("excitor");
                options.Webhooks.Conselier.HmacSecret = "conselier-secret";
                options.Webhooks.Conselier.Enabled = true;
                options.Webhooks.Excitor.HmacSecret = "excitor-secret";
                options.Webhooks.Excitor.Enabled = true;
            });

            services.PostConfigure<RunStreamOptions>(options =>
            {
                options.PollInterval = TimeSpan.FromMilliseconds(100);
                options.QueueLagInterval = TimeSpan.FromMilliseconds(200);
                options.HeartbeatInterval = TimeSpan.FromMilliseconds(150);
            });
        });
    }

    private static string GetFixtureDirectory()
    {
        var assemblyLocation = typeof(SchedulerWebApplicationFactory).Assembly.Location;
        var assemblyDirectory = Path.GetDirectoryName(assemblyLocation)
            ?? AppContext.BaseDirectory;

        var fixtureDirectory = Path.Combine(assemblyDirectory, "seed-data", "impact-index");
        return Path.GetFullPath(fixtureDirectory);
    }
}