using System;

using System.Collections.Generic;

using HandlebarsDotNet;

public class Program

{

    public static void Main()

    {

        // Example helper function that formats a date

        // param 1: the date to format

        // param 2: the date format string

        Handlebars.RegisterHelper("DateFormatHelper", (writer, context, parameters) => {

            var origDate = (DateTime) parameters[0];

            var dateFormat = (string) parameters[1];

            writer.WriteSafeString("Formatted date: " + origDate.ToString(dateFormat));

        });

        // Example helper function that uses the context to build a buyers list

        Handlebars.RegisterHelper("GetBuyersString", (writer, context, parameters) => {

            var contacts = new List<string>();

            foreach (var buyer in context.Buyers) {

                contacts.Add(buyer.FirstName + " " + buyer.LastName);

            }

            writer.WriteSafeString(String.Join(", ", contacts));

        });

        // Example helper function that uses the parameters to build a contacts list

        // param 1: The list of contacts

        Handlebars.RegisterHelper("GetContactsString", (writer, context, parameters) => {

            var contacts = new List<string>();

            dynamic buyers = parameters[0];

            foreach (var buyer in buyers) {

                contacts.Add(buyer.FirstName + " " + buyer.LastName);

            }

            writer.WriteSafeString(String.Join(", ", contacts));

        });

        var data = new {

            Title = "Testing",

            Buyers = new [] {

                new {

                    FirstName = "Joe",

                    LastName = "Cool",

                    BirthDate = new DateTime(1974, 8, 23)

                },

                new {

                    FirstName = "Joe",

                    LastName = "Mama",

                    BirthDate = new DateTime(1950, 6, 1)

                },

                new {

                    FirstName = "Joe",

                    LastName = "Smoe",

                    BirthDate = new DateTime(2000, 2, 14)

                },

            }

        };

        var rawTemplateDateFormatExample = @"{{Buyers.1.LastName}}, {{Buyers.1.FirstName}} - {{DateFormatHelper Buyers.1.BirthDate ""dddd, dd MMMM yyy""}}";

        var rawTemplateShowBuyersExample = @"Buyers: {{GetBuyersString Buyers}}";

        var rawTemplateGetContactsStringExample = @"Contacts: {{GetContactsString Buyers}}";

        var rawTemplateLoopInTemplateExample =

            @"{{#each Buyers}}

{{this.FirstName}} {{this.LastName}}

            {{/each}}";

        var templateDateFormatExample = Handlebars.Compile(rawTemplateDateFormatExample);

        var templateGetBuyersExample = Handlebars.Compile(rawTemplateShowBuyersExample);

        var templateGetContactsExample = Handlebars.Compile(rawTemplateGetContactsStringExample);

        var templateLoopInTemplateExample = Handlebars.Compile(rawTemplateLoopInTemplateExample);

​

        var dateFormatExample = templateDateFormatExample(data);

        var getBuyersExample = templateGetBuyersExample(data);

        var getContactsExample = templateGetContactsExample(data);

        var templateLoopExample = templateLoopInTemplateExample(data);

        Console.WriteLine("Date Format Example:\n{0}", dateFormatExample);

        Console.WriteLine("");

        Console.WriteLine("Get Buyers Example:\n{0}", getBuyersExample);

        Console.WriteLine("");

        Console.WriteLine("Get Contacts Example:\n{0}", getContactsExample);

        Console.WriteLine("");

        Console.WriteLine("Template Loop Example:\n{0}", templateLoopExample);

    }

}