using System.Net.Http.Headers;
using Microsoft.EntityFrameworkCore;
using PaperlessAI.Context;
using PaperlessAI.Interfaces;
using PaperlessAI.Jobs;
using PaperlessAI.Models;
using PaperlessAI.Repositories;
using PaperlessAI.Services;
using Serilog;

var builder = WebApplication.CreateBuilder(args);

// Services
builder.Services.AddScoped<Configuration>();
builder.Services.AddSingleton<DocumentProcessingService>();
builder.Services.AddScoped<PaperlessDocumentService>();
builder.Services.AddScoped<LLMAgentService>();
builder.Services.AddHttpClient<ApiService>((serviceProvider, client) =>
{
    var config = serviceProvider.GetRequiredService<IConfiguration>();

    var baseUrl = config["LlmAgent:Url"] ?? throw new InvalidOperationException("LlmAgent:Url configuration missing.");
    var token = config["LlmAgent:Token"] ?? throw new InvalidOperationException("LlmAgent:Token configuration missing.");
    var acceptMediaType = config["LlmAgent:MediaType"] ?? throw new InvalidOperationException("LlmAgent:MediaType configuration missing.");
    var timeoutSeconds = int.Parse(config["LlmAgent:TimeoutSeconds"] ?? throw new InvalidOperationException("LlmAgent:TimeoutSeconds configuration missing."));
    
    client.Timeout = TimeSpan.FromSeconds(timeoutSeconds);
    client.BaseAddress = new Uri(baseUrl);
    client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token);
    client.DefaultRequestHeaders.Accept.Clear();
    client.DefaultRequestHeaders.Accept.Add(
        new MediaTypeWithQualityHeaderValue(acceptMediaType)
    );
});

// Repositories
builder.Services.AddScoped<PaperlessDocumentRepository>();

// Other
builder.Services.AddControllers();

// Database
builder.Services.AddDbContextPool<MyDbContext>(options =>
{
    options.UseMySql(
        builder.Configuration.GetConnectionString("MariaDbConnectionString"),
        ServerVersion.Parse("12.0.2-mariadb")
    )
    .LogTo(Console.WriteLine, LogLevel.Information)
    .EnableSensitiveDataLogging()
    .EnableDetailedErrors();
});

// Logging
Log.Logger = new LoggerConfiguration()
    .MinimumLevel.Debug()
    .WriteTo.Console()
    .WriteTo.File(
        Path.Combine(AppContext.BaseDirectory, "logs", "log-.txt"), 
        rollingInterval: RollingInterval.Day,
        retainedFileCountLimit: 30)
    .CreateLogger();

builder.Host.UseSerilog();

// Jobs
builder.Services.AddHostedService<CheckDocumentsToProcessJob>();

// App
var app = builder.Build();

// Configure the HTTP request pipeline.
app.UseHttpsRedirection();
app.UseAuthorization();
app.MapControllers();
app.Run();