using System.Reflection;
using LookingGlass.Data;
using LookingGlass.Util.SwaggerTheme;
using Microsoft.EntityFrameworkCore;
using Microsoft.OpenApi.Models;
using Newtonsoft.Json;

var builder = WebApplication.CreateBuilder(args);

var config = builder.Configuration.GetSection("Configuration").Get<ApplicationSettings>();
builder.Services.Configure<ApplicationSettings>(builder.Configuration.GetSection("Configuration"));

if ((config?.AuthToken?.Length ?? 0) < 64 && !builder.Environment.IsDevelopment())
{
    throw new InvalidOperationException(
        "Global token is not a valid value, please set the `CONFIGURATION__GLOBALTOKEN` environment variable to a random value of at least 64 characters. `openssl rand -hex 64` is a good way to generate a random value."
    );
}

builder.Services.AddDbContextFactory<ApplicationContext>(options =>
    options.UseNpgsql(builder.Configuration.GetConnectionString("ApplicationContext"))
);

if (config?.UseSentry == true)
{
    builder.WebHost.UseSentry();
}

builder.Services.AddHttpLogging(o => { });
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen(opts =>
{
    opts.SwaggerDoc(
        "v1",
        new OpenApiInfo
        {
            Title = "Looking Glass API",
            Version = "v1",
            Description = "",
        }
    );
    opts.AddSecurityDefinition(
        "Bearer",
        new OpenApiSecurityScheme
        {
            Description =
                "JWT Authorization header using the Bearer scheme. Example: \"Authorization: Bearer {token}\"",
            Name = "Authorization",
            In = ParameterLocation.Header,
            Type = SecuritySchemeType.ApiKey,
            Scheme = "Bearer",
        }
    );
    opts.AddSecurityRequirement(
        new OpenApiSecurityRequirement
        {
            {
                new OpenApiSecurityScheme
                {
                    Reference = new OpenApiReference
                    {
                        Type = ReferenceType.SecurityScheme,
                        Id = "Bearer",
                    },
                    Scheme = "oauth2",
                    Name = "Bearer",
                    In = ParameterLocation.Header,
                },
                new List<string>()
            },
        }
    );
    var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
    opts.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, xmlFile));
});

var app = builder.Build();

var assembly = Assembly.GetExecutingAssembly();
foreach (var resource in assembly.GetManifestResourceNames())
{
    app.Logger.LogDebug("Resource: {Resource}", resource);
}

if (config?.UseSwagger == true)
{
    app.UseSwagger();
    app.UseSwaggerUI(CustomStyle.CustomModern);
}

if (config?.LogRequests == true)
{
    app.UseHttpLogging();
}

if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Error", createScopeForErrors: true);
    app.UseHsts();
}

app.UseHttpsRedirection();

//app.UseAntiforgery();

if (app.Environment.IsDevelopment())
{
    app.Logger.LogInformation(
        "Development mode detected, printing configuration: {Configuration}",
        config != null ? JsonConvert.SerializeObject(config) : "null"
    );
}

app.Run();