using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Diagnostics;
using Microsoft.OpenApi.Models;
using MP.Core.Conf;
using MP.Data;
using MP.IOC.Components;
using MP.IOC.Data;
using MP.IOC.Services;
using NLog;
using NLog.Web;
using StackExchange.Redis;
using System.Reflection;
using ZiggyCreatures.Caching.Fusion;
using ZiggyCreatures.Caching.Fusion.Serialization;
using ZiggyCreatures.Caching.Fusion.Serialization.NewtonsoftJson;

var builder = WebApplication.CreateBuilder(args);

// recupero env corrente
var env = builder.Environment;
var logger = LogManager.Setup()
                .LoadConfigurationFromAppSettings()
                .GetCurrentClassLogger();

var assemblyVersion = Assembly.GetExecutingAssembly().GetName().Version?.ToString();
logger.Info($"MP.IOC | Program.cs: startup | v.{assemblyVersion}");
logger.Info($"Current ASPNETCORE_ENVIRONMENT: {env.EnvironmentName}");

// Config setup
ConfigurationManager configuration = builder.Configuration;
// REDIS setup
logger.Info("Config OK");
string confRedis = configuration.GetConnectionString("Redis") ?? "localhost:6379";
string redisSrvAddr = confRedis.Substring(0, confRedis.IndexOf(":"));
logger.Info("Setup REDIS OK");


builder.Services.Configure<RedisScriptsConfig>(
    builder.Configuration.GetSection("RedisScripts"));
logger.Info("RedisScript Provider configured");

// Metodi principali x accesso dati
var connStr = builder.Configuration.GetConnectionString("MP.Data")
              ?? throw new InvalidOperationException("ConnString 'MP.Data' mancante.");

builder.Services.AddMemoryCache();

builder.Services.AddDbContextFactory<MoonProContext>(options =>
    options.UseSqlServer(connStr)
           .EnableSensitiveDataLogging(false) // true solo in Sviluppo
           .ConfigureWarnings(w => w.Ignore(CoreEventId.ManyServiceProvidersCreatedWarning)));

// MP.Data DbContext for Stats repositories
string utilsConnString = builder.Configuration.GetConnectionString("MP.Utils") ?? "Server=localhost;Database=MoonPro_Utils; integrated security=True; MultipleActiveResultSets=True; App=MP.IOC;";
builder.Services.AddDbContextFactory<MoonPro_UtilsContext>(options =>
    options.UseSqlServer(utilsConnString));

// MP.Data Services Utils - Statistiche DB
builder.Services.AddIocDataLayer();

// Registra i servizi per Blazor
builder.Services.AddRazorComponents()
    .AddInteractiveServerComponents();
// Aggiungi Health Checks
//builder.Services.AddHealthChecks()
//    .AddSqlServer(builder.Configuration.GetConnectionString("CoreDb"));

// generic controller
builder.Services.AddControllers();
// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
//builder.Services.AddSwaggerGen();
builder.Services.AddSwaggerGen(c =>
{
    c.SwaggerDoc("v1", new OpenApiInfo
    {
        Title = "EgaWare's Mapo Rest API",
        Version = $"v1 | {assemblyVersion}",
        Description = $"API documentation for v1 | AssemblyVersion {assemblyVersion}"
    });
});

// avvio oggetto shared x redis...
var redisMux = ConnectionMultiplexer.Connect(confRedis);
builder.Services.AddSingleton<IConnectionMultiplexer>(redisMux);

// oggetto principale accesso dati
//builder.Services.AddScoped<MpDataService>();
builder.Services.AddSingleton<MpDataService>();

// 1. Registra il serializzatore NewtonsoftJson per FusionCache
builder.Services.AddSingleton<IFusionCacheSerializer>(new FusionCacheNewtonsoftJsonSerializer());

// 2. Configura FusionCache solo per la memoria (L1)
builder.Services.AddFusionCache()
    .WithDefaultEntryOptions(options =>
    {
        // Durata di default dei dati in memoria
        options.Duration = TimeSpan.FromMinutes(1);

        // Jitter: variazione casuale alla scadenza  per evitare scadenze in blocco
        options.JitterMaxDuration = TimeSpan.FromSeconds(5);
    });

logger.Info("Standard service configured");

// WeightProvider: Redis/Memory da config
var weightOnRedis = builder.Configuration.GetValue<bool>("ServerConf:RedisWeight", false);
if (weightOnRedis)
{
    builder.Services.AddSingleton<IConnectionMultiplexer>(redisMux);
    builder.Services.AddSingleton<IWeightProvider, RedisWeightProvider>();
}
else
{
    builder.Services.AddSingleton<IWeightProvider, InMemoryWeightProvider>();
}
logger.Info($"Weight service configured | use Redis: {weightOnRedis}");


var app = builder.Build();

// aggiunt base URL x routing corretto
string baseUrl = configuration.GetValue<string>("ServerConf:BaseUrlIoc") ?? "/MP/";
app.UsePathBase(baseUrl);
logger.Info($"BaseUrl: {baseUrl}");


// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment() || app.Environment.IsStaging())
{
    app.UseSwagger();
    //app.UseSwaggerUI();
    app.UseSwaggerUI(c =>
    {
        c.SwaggerEndpoint($"{baseUrl}swagger/v1/swagger.json", "EgalWare's MAPO API v1");
    });
}
logger.Info("Added swagger");

//// redirect su https: disattiato x API
//app.UseHttpsRedirection();

app.UseAuthorization();

// aggiunta x index.html
app.UseDefaultFiles();
app.UseStaticFiles();
app.UseAntiforgery();

// Mappatura delle API
app.MapControllers();

// Mappatura della Dashboard Blazor
app.MapRazorComponents<App>()
    .AddInteractiveServerRenderMode();

//app.MapHealthChecks("/health");

logger.Info("Run App");

app.Run();