using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using Biff8Excel.Interfaces;

namespace Biff8Excel.Records
{
    [StructLayoutAttribute(LayoutKind.Sequential, CharSet = CharSet.Auto, Pack = 1)]
    struct RecordWindows1
    {
        public ushort opcode;
        public ushort length;
        public ushort h_hold;
        public ushort v_hold;
        public ushort width;
        public ushort height;
        public ushort options;
        public ushort selectedtab;
        public ushort displayedtab;
        public ushort numselectedtabs;
        public ushort tabwidthratio;
    }

    internal class Windows1 : IRecords
    {
        RecordWindows1 windows1;
        public Windows1()
        {
            windows1.opcode = 0x3D;
            windows1.length = 0x12;
            windows1.options = 0x0;
            windows1.h_hold = 0x0;
            windows1.v_hold = 0x0;
            windows1.width = 0x3C00;
            windows1.height = 0x2D00;
            windows1.selectedtab = 0x0;
            windows1.displayedtab = 0x0;
            windows1.numselectedtabs = 0x1;
            windows1.tabwidthratio = 0x258;
        }

        public ushort ID
        {
            get { return windows1.opcode; }
        }

        public ushort RecordSize
        {
            get { return 22; }
        }

        public ushort HorizontalPosition
        {
            set { windows1.h_hold = value; }
        }

        public ushort VerticalPosition
        {
            set { windows1.v_hold = value; }
        }

        public ushort Width
        {
            set { windows1.width = value; }
        }

        public ushort Height
        {
            set { windows1.height = value; }
        }

        public ushort ActivewWorksheet
        {
            set { windows1.selectedtab = value; }
        }

        public ushort FirstVisibleWorksheet
        {
            set { windows1.displayedtab = value; }
        }

        public ushort SelectedWorksheets
        {
            set { windows1.numselectedtabs = value; }
        }

        public ushort TabWidth
        {
            set { windows1.tabwidthratio = value; }
        }

        public bool WindowsHidden
        {
            set { if (value) windows1.options = (ushort)(windows1.options | 0x1); }
        }

        internal bool Iconic
        {
            set { if (value) windows1.options = (ushort)(windows1.options | 0x2); }
        }

        public bool HorizontalScrollBar
        {
            set { if (value) windows1.options = (ushort)(windows1.options | 0x8); }
        }

        public bool VerticalScrollBar
        {
            set { if (value) windows1.options = (ushort)(windows1.options | 0x10); }
        }

        public bool DisplayTabsAtBottom
        {
            set { if (value) windows1.options = (ushort)(windows1.options | 0x20); }
        }


        #region IRecords ³ΙΤ±

        public byte[] GetByte()
        {
            return Globals.GetStructToBytes(windows1); 
        }

        #endregion
    }
}