using SkyArtShop.Services;
using SkyArtShop.Models;
using System.Security.Cryptography;
using System.Text;
using Microsoft.EntityFrameworkCore;
using Microsoft.AspNetCore.Identity;

var builder = WebApplication.CreateBuilder(args);

// Configure URLs based on environment
if (builder.Environment.IsProduction())
{
    // Production: Listen on all interfaces, port 80 and 443
    builder.WebHost.UseUrls("http://*:80");
}
else
{
    // Development: Listen only on localhost, port 5001
    builder.WebHost.UseUrls("http://localhost:5001");
}

// Add services to the container
builder.Services.AddControllersWithViews();
builder.Services.AddRazorPages();

// Add EF Core (SQLite) for Identity (separate from MongoDB content storage)
var identityConnection = builder.Configuration.GetConnectionString("IdentityConnection") ?? "Data Source=identity.db";
builder.Services.AddDbContext<SkyArtShop.Data.ApplicationDbContext>(options =>
    options.UseSqlite(identityConnection));

// Add Identity
builder.Services.AddIdentity<SkyArtShop.Data.ApplicationUser, IdentityRole>(options =>
{
    options.Password.RequireDigit = false;
    options.Password.RequireLowercase = false;
    options.Password.RequireUppercase = false;
    options.Password.RequireNonAlphanumeric = false;
    options.Password.RequiredLength = 6;
})
    .AddEntityFrameworkStores<SkyArtShop.Data.ApplicationDbContext>()
    .AddDefaultTokenProviders();

builder.Services.ConfigureApplicationCookie(options =>
{
    options.LoginPath = "/admin/login";
    options.AccessDeniedPath = "/admin/login";
});

// Configure MongoDB
builder.Services.Configure<MongoDBSettings>(
    builder.Configuration.GetSection("MongoDB"));

builder.Services.AddSingleton<MongoDBService>();
builder.Services.AddSingleton<SlugService>();

// Add session support
builder.Services.AddDistributedMemoryCache();
builder.Services.AddSession(options =>
{
    options.IdleTimeout = TimeSpan.FromHours(2);
    options.Cookie.HttpOnly = true;
    options.Cookie.IsEssential = true;
});

// Add HttpContextAccessor
builder.Services.AddHttpContextAccessor();

var app = builder.Build();

// Initialize database with default data
await InitializeDatabase(app.Services);

// Configure the HTTP request pipeline
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Home/Error");
    app.UseHsts();
}

// app.UseHttpsRedirection(); // Disabled for HTTP-only development
app.UseStaticFiles();

app.UseRouting();

app.UseSession();
app.UseAuthentication();
app.UseAuthorization();

app.MapControllerRoute(
    name: "default",
    pattern: "{controller=Home}/{action=Index}/{id?}");

app.Run();

async Task InitializeDatabase(IServiceProvider services)
{
    using var scope = services.CreateScope();
    var mongoService = scope.ServiceProvider.GetRequiredService<MongoDBService>();
    var configuration = scope.ServiceProvider.GetRequiredService<IConfiguration>();

    // Apply Identity migrations and seed admin user/role
    var dbContext = scope.ServiceProvider.GetRequiredService<SkyArtShop.Data.ApplicationDbContext>();
    await dbContext.Database.EnsureCreatedAsync();

    var roleManager = scope.ServiceProvider.GetRequiredService<RoleManager<IdentityRole>>();
    var userManager = scope.ServiceProvider.GetRequiredService<UserManager<SkyArtShop.Data.ApplicationUser>>();

    const string adminRole = "Admin";
    if (!await roleManager.RoleExistsAsync(adminRole))
    {
        await roleManager.CreateAsync(new IdentityRole(adminRole));
    }

    var adminEmail = configuration["AdminUser:Email"] ?? "admin@skyartshop.com";
    var existingAdmin = await userManager.FindByEmailAsync(adminEmail);
    if (existingAdmin == null)
    {
        var adminUser = new SkyArtShop.Data.ApplicationUser
        {
            UserName = adminEmail,
            Email = adminEmail,
            DisplayName = configuration["AdminUser:Name"] ?? "Admin"
        };
        var createResult = await userManager.CreateAsync(adminUser, configuration["AdminUser:Password"] ?? "Admin123!");
        if (createResult.Succeeded)
        {
            await userManager.AddToRoleAsync(adminUser, adminRole);
        }
    }

    // Initialize site settings
    var settings = await mongoService.GetAllAsync<SiteSettings>("SiteSettings");
    if (!settings.Any())
    {
        var defaultSettings = new SiteSettings
        {
            SiteName = "Sky Art Shop",
            SiteTagline = "Scrapbooking and Journaling Fun",
            ContactEmail = "info@skyartshop.com",
            ContactPhone = "+501 608-0409",
            FooterText = "© 2035 by Sky Art Shop. Powered and secured by Wix",
            UpdatedAt = DateTime.UtcNow
        };

        await mongoService.InsertAsync("SiteSettings", defaultSettings);
    }

    // Initialize default portfolio categories
    var categories = await mongoService.GetAllAsync<PortfolioCategory>("PortfolioCategories");
    if (!categories.Any())
    {
        var defaultCategories = new[]
        {
            new PortfolioCategory { Name = "Displays", Slug = "displays", Description = "Creative display projects showcasing our work", DisplayOrder = 1, IsActive = true },
            new PortfolioCategory { Name = "Personal Craft Projects", Slug = "personal-craft-projects", Description = "Personal creative projects and handmade crafts", DisplayOrder = 2, IsActive = true },
            new PortfolioCategory { Name = "Card Making Projects", Slug = "card-making", Description = "Handmade cards for every occasion", DisplayOrder = 3, IsActive = true },
            new PortfolioCategory { Name = "Scrapbook Albums", Slug = "scrapbook-albums", Description = "Preserving memories through creative scrapbooking", DisplayOrder = 4, IsActive = true }
        };

        foreach (var category in defaultCategories)
        {
            await mongoService.InsertAsync("PortfolioCategories", category);
        }
    }

    // Initialize About page
    var pages = await mongoService.GetAllAsync<Page>("Pages");
    if (!pages.Any(p => p.PageSlug == "about"))
    {
        var aboutPage = new Page
        {
            PageName = "About",
            PageSlug = "about",
            Title = "About Sky Art Shop",
            Subtitle = "Creating moments, one craft at a time",
            Content = @"
                <h2>Our Story</h2>
                <p>Sky Art Shop specializes in scrapbooking, journaling, cardmaking, and collaging stationery. We are passionate about helping people express their creativity and preserve their memories.</p>
                <p>Our mission is to promote mental health and wellness through creative art activities. We believe that crafting is more than just a hobby—it's a therapeutic journey that brings joy, mindfulness, and self-expression.</p>
                
                <h2>What We Offer</h2>
                <ul>
                    <li>Washi tape in various designs and patterns</li>
                    <li>Unique stickers for journaling and scrapbooking</li>
                    <li>High-quality journals and notebooks</li>
                    <li>Card making supplies and kits</li>
                    <li>Scrapbooking materials and embellishments</li>
                    <li>Collage papers and ephemera</li>
                </ul>",
            IsActive = true,
            CreatedAt = DateTime.UtcNow,
            UpdatedAt = DateTime.UtcNow
        };

        await mongoService.InsertAsync("Pages", aboutPage);
    }

    // Initialize menu items
    var menuItems = await mongoService.GetAllAsync<MenuItem>("MenuItems");
    if (!menuItems.Any())
    {
        var defaultMenuItems = new[]
        {
            new MenuItem { Label = "Home", Url = "/", DisplayOrder = 1, IsActive = true },
            new MenuItem { Label = "Shop", Url = "/Shop", DisplayOrder = 2, IsActive = true },
            new MenuItem { Label = "Top Sellers", Url = "/#top-sellers", DisplayOrder = 3, IsActive = true },
            new MenuItem { Label = "Promotion", Url = "/#promotion", DisplayOrder = 4, IsActive = true },
            new MenuItem { Label = "Portfolio", Url = "/Portfolio", DisplayOrder = 5, IsActive = true },
            new MenuItem { Label = "Blog", Url = "/Blog", DisplayOrder = 6, IsActive = true },
            new MenuItem { Label = "About", Url = "/About", DisplayOrder = 7, IsActive = true },
            new MenuItem { Label = "Instagram", Url = "#instagram", DisplayOrder = 8, IsActive = true },
            new MenuItem { Label = "Contact", Url = "/Contact", DisplayOrder = 9, IsActive = true },
            new MenuItem { Label = "My Wishlist", Url = "#wishlist", DisplayOrder = 10, IsActive = true }
        };

        foreach (var item in defaultMenuItems)
        {
            await mongoService.InsertAsync("MenuItems", item);
        }
    }

    // Initialize homepage sections
    var sections = await mongoService.GetAllAsync<HomepageSection>("HomepageSections");
    if (!sections.Any())
    {
        var defaultSections = new[]
        {
            new HomepageSection
            {
                SectionType = "hero",
                Title = "Scrapbooking and Journaling Fun",
                Subtitle = "Explore the world of creativity and self-expression.",
                ButtonText = "Shop Now",
                ButtonUrl = "/Shop",
                ImageUrl = "/assets/images/hero-craft.jpg",
                DisplayOrder = 0,
                IsActive = true
            },
            new HomepageSection
            {
                SectionType = "inspiration",
                Title = "Our Inspiration",
                Content = @"<p>Sky Art Shop specializes in scrapbooking, journaling, cardmaking, and collaging stationery. We aim to promote mental health through creative art activities.</p><p>Our offerings include washi tape, stickers, journals, and more.</p>",
                ImageUrl = "/assets/images/craft-supplies.jpg",
                DisplayOrder = 1,
                IsActive = true
            },
            new HomepageSection
            {
                SectionType = "promotion",
                Title = "Special Offers",
                Content = @"<div class='promo-card featured'><h2>Large Stationery Mystery Bags</h2><p>Enjoy $70 worth of items for only $25. Think Larger and heavier items.</p><a href='tel:+5016080409' class='btn btn-primary'>Message Us</a></div>",
                DisplayOrder = 2,
                IsActive = true
            }
        };

        foreach (var section in defaultSections)
        {
            await mongoService.InsertAsync("HomepageSections", section);
        }
    }
}