Multi-Language & Branded Documents

using Scryber.Components;
using Scryber.PDF;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;

public class MultiLanguageDocumentGenerator
{
    private readonly string _templatePath;
    private readonly Dictionary<string, LocalizationStrings> _localization;
    private readonly BrandConfiguration _brandConfig;

    public MultiLanguageDocumentGenerator(
        string templatePath,
        BrandConfiguration brandConfig)
    {
        _templatePath = templatePath;
        _brandConfig = brandConfig;
        _localization = new Dictionary<string, LocalizationStrings>();

        // Load localization resources
        LoadLocalizationResources();
    }

    public void GenerateDocument(
        DocumentData documentData,
        string languageCode,
        Stream output)
    {
        // Get localized strings
        var strings = GetLocalizedStrings(languageCode);

        // Load template
        var doc = Document.ParseDocument(_templatePath);

        // Set metadata
        doc.Info.Title = strings.DocumentTitle;
        doc.Info.Author = _brandConfig.Name;
        doc.Info.CreationDate = DateTime.Now;

        // Bind data
        doc.Params["brand"] = _brandConfig;
        doc.Params["strings"] = strings;
        doc.Params["lang"] = new LanguageInfo
        {
            Code = languageCode,
            IsRTL = IsRightToLeft(languageCode)
        };
        doc.Params["items"] = documentData.Items;
        doc.Params["sections"] = documentData.Sections;

        // Configure
        doc.RenderOptions.Compression = PDFCompressionType.FlateDecode;
        doc.RenderOptions.FontSubsetting = true;

        // Generate
        doc.SaveAsPDF(output);
    }

    private void LoadLocalizationResources()
    {
        // English
        _localization["en"] = new LocalizationStrings
        {
            DocumentTitle = "Product Catalog",
            DocumentSubtitle = "Premium Solutions for Your Business",
            Section1Title = "Our Products",
            Section1Content = "Discover our comprehensive range of innovative products designed to meet your needs.",
            Table = new TableStrings
            {
                ColumnName = "Product Name",
                ColumnDescription = "Description",
                ColumnValue = "Price"
            },
            Cta = new CtaStrings
            {
                Title = "Ready to Get Started?",
                Message = "Contact us today to learn more about our products and services."
            },
            Footer = new FooterStrings
            {
                Copyright = "Copyright ©",
                AllRightsReserved = "All rights reserved."
            }
        };

        // Spanish
        _localization["es"] = new LocalizationStrings
        {
            DocumentTitle = "Catálogo de Productos",
            DocumentSubtitle = "Soluciones Premium para su Negocio",
            Section1Title = "Nuestros Productos",
            Section1Content = "Descubra nuestra gama completa de productos innovadores diseñados para satisfacer sus necesidades.",
            Table = new TableStrings
            {
                ColumnName = "Nombre del Producto",
                ColumnDescription = "Descripción",
                ColumnValue = "Precio"
            },
            Cta = new CtaStrings
            {
                Title = "¿Listo para Comenzar?",
                Message = "Contáctenos hoy para conocer más sobre nuestros productos y servicios."
            },
            Footer = new FooterStrings
            {
                Copyright = "Derechos de Autor ©",
                AllRightsReserved = "Todos los derechos reservados."
            }
        };

        // French
        _localization["fr"] = new LocalizationStrings
        {
            DocumentTitle = "Catalogue de Produits",
            DocumentSubtitle = "Solutions Premium pour Votre Entreprise",
            Section1Title = "Nos Produits",
            Section1Content = "Découvrez notre gamme complète de produits innovants conçus pour répondre à vos besoins.",
            Table = new TableStrings
            {
                ColumnName = "Nom du Produit",
                ColumnDescription = "Description",
                ColumnValue = "Prix"
            },
            Cta = new CtaStrings
            {
                Title = "Prêt à Commencer?",
                Message = "Contactez-nous aujourd'hui pour en savoir plus sur nos produits et services."
            },
            Footer = new FooterStrings
            {
                Copyright = "Droits d'auteur ©",
                AllRightsReserved = "Tous droits réservés."
            }
        };

        // German
        _localization["de"] = new LocalizationStrings
        {
            DocumentTitle = "Produktkatalog",
            DocumentSubtitle = "Premium-Lösungen für Ihr Unternehmen",
            Section1Title = "Unsere Produkte",
            Section1Content = "Entdecken Sie unser umfassendes Sortiment an innovativen Produkten, die Ihren Anforderungen gerecht werden.",
            Table = new TableStrings
            {
                ColumnName = "Produktname",
                ColumnDescription = "Beschreibung",
                ColumnValue = "Preis"
            },
            Cta = new CtaStrings
            {
                Title = "Bereit anzufangen?",
                Message = "Kontaktieren Sie uns noch heute, um mehr über unsere Produkte und Dienstleistungen zu erfahren."
            },
            Footer = new FooterStrings
            {
                Copyright = "Urheberrecht ©",
                AllRightsReserved = "Alle Rechte vorbehalten."
            }
        };
    }

    private LocalizationStrings GetLocalizedStrings(string languageCode)
    {
        if (_localization.ContainsKey(languageCode))
        {
            return _localization[languageCode];
        }

        // Default to English
        return _localization["en"];
    }

    private bool IsRightToLeft(string languageCode)
    {
        var rtlLanguages = new[] { "ar", "he", "fa", "ur" };
        return rtlLanguages.Contains(languageCode);
    }
}

// Brand Configuration
public class BrandConfiguration
{
    public string Name { get; set; }
    public string Tagline { get; set; }
    public int CopyrightYear { get; set; }

    public LogoConfig Logo { get; set; }
    public ColorScheme Colors { get; set; }
    public FontConfig Fonts { get; set; }
    public MarginConfig Margins { get; set; }
    public ContactInfo Contact { get; set; }
}

public class LogoConfig
{
    public string Path { get; set; }
    public int Height { get; set; }
}

public class ColorScheme
{
    public string Primary { get; set; }
    public string Secondary { get; set; }
    public string Accent { get; set; }
    public string Text { get; set; }
    public string Light { get; set; }
}

public class FontConfig
{
    public string Primary { get; set; }
    public string Heading { get; set; }
    public int BaseSize { get; set; }
    public decimal LineHeight { get; set; }
    public int H1Size { get; set; }
    public int H2Size { get; set; }
    public int H3Size { get; set; }
}

public class MarginConfig
{
    public int Top { get; set; }
    public int Right { get; set; }
    public int Bottom { get; set; }
    public int Left { get; set; }
}

public class ContactInfo
{
    public string Phone { get; set; }
    public string Email { get; set; }
    public string Website { get; set; }
}

// Localization models
public class LocalizationStrings
{
    public string DocumentTitle { get; set; }
    public string DocumentSubtitle { get; set; }
    public string Section1Title { get; set; }
    public string Section1Content { get; set; }
    public TableStrings Table { get; set; }
    public CtaStrings Cta { get; set; }
    public FooterStrings Footer { get; set; }
}

public class TableStrings
{
    public string ColumnName { get; set; }
    public string ColumnDescription { get; set; }
    public string ColumnValue { get; set; }
}

public class CtaStrings
{
    public string Title { get; set; }
    public string Message { get; set; }
}

public class FooterStrings
{
    public string Copyright { get; set; }
    public string AllRightsReserved { get; set; }
}

public class LanguageInfo
{
    public string Code { get; set; }
    public bool IsRTL { get; set; }
}

// Document data
public class DocumentData
{
    public List<DocumentItem> Items { get; set; } = new List<DocumentItem>();
    public List<DocumentSection> Sections { get; set; } = new List<DocumentSection>();
}

public class DocumentItem
{
    public string Name { get; set; }
    public string Description { get; set; }
    public string Value { get; set; }
}

public class DocumentSection
{
    public string Title { get; set; }
    public List<string> Paragraphs { get; set; }
}

// Configure brand
var brandConfig = new BrandConfiguration
{
    Name = "Acme Corporation",
    Tagline = "Innovation for Tomorrow",
    CopyrightYear = 2025,
    Logo = new LogoConfig
    {
        Path = "./images/acme-logo.png",
        Height = 50
    },
    Colors = new ColorScheme
    {
        Primary = "#2563eb",
        Secondary = "#1e40af",
        Accent = "#3b82f6",
        Text = "#1f2937",
        Light = "#eff6ff"
    },
    Fonts = new FontConfig
    {
        Primary = "Helvetica",
        Heading = "Arial",
        BaseSize = 11,
        LineHeight = 1.6m,
        H1Size = 20,
        H2Size = 16,
        H3Size = 13
    },
    Margins = new MarginConfig
    {
        Top = 72,
        Right = 72,
        Bottom = 100,
        Left = 72
    },
    Contact = new ContactInfo
    {
        Phone = "(555) 123-4567",
        Email = "info@acme.com",
        Website = "www.acme.com"
    }
};

// Create document data
var documentData = new DocumentData
{
    Items = new List<DocumentItem>
    {
        new DocumentItem
        {
            Name = "Product A",
            Description = "Premium solution",
            Value = "$999"
        },
        new DocumentItem
        {
            Name = "Product B",
            Description = "Standard solution",
            Value = "$499"
        }
    },
    Sections = new List<DocumentSection>
    {
        new DocumentSection
        {
            Title = "Why Choose Us",
            Paragraphs = new List<string>
            {
                "We provide the best quality products.",
                "Customer satisfaction is our priority."
            }
        }
    }
};

// Generate documents in multiple languages
var generator = new MultiLanguageDocumentGenerator(
    "multilanguage-template.html",
    brandConfig
);

var languages = new[] { "en", "es", "fr", "de" };

foreach (var lang in languages)
{
    using (var output = new FileStream($"catalog-{lang}.pdf", FileMode.Create))
    {
        generator.GenerateDocument(documentData, lang, output);
        Console.WriteLine($"Generated {lang} version");
    }
}

public class TemplateManager
{
    private readonly string _templatesDirectory;
    private readonly Dictionary<string, BrandConfiguration> _brands;

    public TemplateManager(string templatesDirectory)
    {
        _templatesDirectory = templatesDirectory;
        _brands = new Dictionary<string, BrandConfiguration>();

        LoadBrandConfigurations();
    }

    private void LoadBrandConfigurations()
    {
        // Load brand configurations from JSON files
        // This is a simplified example
    }

    public Stream GenerateDocument(
        string templateName,
        string brandId,
        string languageCode,
        object data)
    {
        var templatePath = Path.Combine(_templatesDirectory, $"{templateName}.html");
        var brand = _brands[brandId];

        var generator = new MultiLanguageDocumentGenerator(templatePath, brand);
        var output = new MemoryStream();

        // Convert data to DocumentData
        var documentData = ConvertToDocumentData(data);

        generator.GenerateDocument(documentData, languageCode, output);
        output.Position = 0;

        return output;
    }

    private DocumentData ConvertToDocumentData(object data)
    {
        // Convert generic data to DocumentData
        // Implementation depends on your data structure
        return new DocumentData();
    }
}