using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Office.Core;
using Microsoft.Office.Interop.Word;
using System.Windows;
using System.Windows.Forms;
using System.Drawing;
using System.IO;

namespace createWordDocument
{
    class Program
    {
        static Microsoft.Office.Interop.Word.Application word_app = null;
        
        static WdColor COLOR_WHITE = (WdColor)0xFFFFFF;
        static WdColor COLOR_DARK_BLUE = (WdColor)0xBD814F;
        static WdColor COLOR_LIGHT_BLUE = (WdColor)0xEEDFD3;
        static WdColor COLOR_BLACK = (WdColor)0x000000;
        const int NB_CHAPTERS = 10;

        //Microsoft.Office.Interop.Word.Font FONT = new Microsoft.Office.Interop.Word.Font("arial");

        static int Main(string[] args)
        {
            List<string> titles = new List<string>();
            List<string> paragraphs = new List<string>();

            /* creation of NB_CHAPTERS titles and NB_CHAPTERS paragraphs */
            for (int x = 0; x < NB_CHAPTERS; x++)
            {
                titles.Add(string.Format("Title {0}", x));
                string text = "";
                for(int y = 0; y < 100; y++)
                {
                    text += string.Format("paragraph {0} ", y);
                }
                text += "\n";
                paragraphs.Add(text);
            }

            /* Let's get the Word application object */
            word_app = new Microsoft.Office.Interop.Word.Application();
            word_app.Visible = false; /* to not open the document in Word */

            /* Let's create the Word document */
            object missing = System.Reflection.Missing.Value;
            object templateName = Path.Combine(Directory.GetCurrentDirectory(), @"template3.dotx");
            //Microsoft.Office.Tools.Word.Bookmark firstParagraph;

            Microsoft.Office.Interop.Word._Document word_doc = word_app.Documents.Add(ref templateName, ref missing, ref missing, ref missing);

            /* Let's fill in the document */
            for (int x = 0; x < NB_CHAPTERS; x++)
            {
                /* Adds a title */
                Microsoft.Office.Interop.Word.Paragraph title = word_doc.Paragraphs.Add();
                title.Range.Text = titles[x];
                title.Range.set_Style("Titre 1");

                /* Adds a paragraph */
                Microsoft.Office.Interop.Word.Paragraph paragraph = word_doc.Paragraphs.Add();
                title.Range.Text = paragraphs[x];
                title.Range.set_Style("Normal");
            }

            /* Let's clean up */
            /* Let's close the brand new document and Word */
            object save_changes = false;
            object filename = Path.Combine(Directory.GetCurrentDirectory(), @"test.doc");
            word_doc.SaveAs(ref filename);
            word_doc.Close(ref save_changes, ref missing, ref missing);
            word_app.Quit();
            return 0;
        }

    }
}