// <copyright file="RowData.cs" company="PlaceholderCompany">
// Copyright (c) PlaceholderCompany. All rights reserved.
// </copyright>

namespace SystemTrayMenu.DataClasses
{
    using System;
    using System.Data;
    using System.Drawing;
    using System.IO;
    using System.Windows.Forms;
    using SystemTrayMenu.Utilities;
    using Menu = SystemTrayMenu.UserInterface.Menu;

    internal class RowData
    {
        private static readonly Icon White50PercentageIcon = Properties.Resources.White50Percentage;
        private static readonly Icon NotFoundIcon = Properties.Resources.NotFound;
        private static DateTime contextMenuClosed;
        private string text;
        private Icon icon;

        internal RowData()
        {
        }

        internal FileInfo FileInfo { get; set; }

        internal Menu SubMenu { get; set; }

        internal bool IsMenuOpen { get; set; }

        internal bool IsClicking { get; set; }

        internal bool IsSelected { get; set; }

        internal bool ContainsMenu { get; set; }

        internal bool IsContextMenuOpen { get; set; }

        internal bool IsResolvedLnk { get; set; }

        internal bool HiddenEntry { get; set; }

        internal bool ShowOnlyWhenSearch { get; set; }

        internal string TargetFilePath { get; set; }

        internal string TargetFilePathOrig { get; set; }

        internal int RowIndex { get; set; }

        internal int MenuLevel { get; set; }

        internal bool IconLoading { get; set; }

        internal string FilePathIcon { get; set; }

        internal bool ProcessStarted { get; set; }

        internal void SetText(string text)
        {
            this.text = text;
        }

        internal void SetData(RowData data, DataTable dataTable)
        {
            DataRow row = dataTable.Rows.Add();
            data.RowIndex = dataTable.Rows.IndexOf(row);

            if (HiddenEntry)
            {
                row[0] = IconReader.AddIconOverlay(data.icon, White50PercentageIcon);
            }
            else
            {
                row[0] = data.icon;
            }

            row[1] = data.text;
            row[2] = data;
        }

        internal bool ReadIconOrResolveLinkAndReadIcon(bool isDirectory, ref string resolvedLnkPath, int level)
        {
            bool isLnkDirectory = false;

            if (string.IsNullOrEmpty(TargetFilePath))
            {
                Log.Info($"TargetFilePath from {resolvedLnkPath} empty");
            }
            else if (isDirectory)
            {
                icon = IconReader.GetFolderIconWithCache(
                    TargetFilePathOrig,
                    IconReader.FolderType.Closed,
                    false,
                    true,
                    level == 0,
                    out bool loading);
                IconLoading = loading;
            }
            else
            {
                bool handled = false;
                bool showOverlay = false;
                string fileExtension = Path.GetExtension(TargetFilePath);

                if (fileExtension.Equals(".lnk", StringComparison.InvariantCultureIgnoreCase))
                {
                    handled = ResolveLinkAndReadIcon(level, ref isLnkDirectory, ref resolvedLnkPath);
                    showOverlay = Properties.Settings.Default.ShowLinkOverlay;
                }
                else if (fileExtension.Equals(".url", StringComparison.InvariantCultureIgnoreCase))
                {
                    SetText($"{FileInfo.Name[0..^4]}");
                    showOverlay = Properties.Settings.Default.ShowLinkOverlay;
                }
                else if (fileExtension.Equals(".appref-ms", StringComparison.InvariantCultureIgnoreCase))
                {
                    showOverlay = Properties.Settings.Default.ShowLinkOverlay;
                }

                if (!handled)
                {
                    icon = IconReader.GetFileIconWithCache(
                        TargetFilePathOrig,
                        TargetFilePath,
                        showOverlay,
                        true,
                        level == 0,
                        out bool loading);
                    IconLoading = loading;
                }
            }

            if (icon == null)
            {
                icon = NotFoundIcon;
            }

            return isLnkDirectory;
        }

        internal void MouseDown(DataGridView dgv, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                IsClicking = true;
            }

            if (e != null &&
                e.Button == MouseButtons.Right &&
                FileInfo != null &&
                dgv != null &&
                dgv.Rows.Count > RowIndex &&
                (DateTime.Now - contextMenuClosed).TotalMilliseconds > 200)
            {
                IsContextMenuOpen = true;

                ShellContextMenu ctxMnu = new();
                Point location = dgv.FindForm().Location;
                Point point = new(
                    e.X + location.X + dgv.Location.X,
                    e.Y + location.Y + dgv.Location.Y);
                if (ContainsMenu)
                {
                    DirectoryInfo[] dir = new DirectoryInfo[1];
                    dir[0] = new DirectoryInfo(TargetFilePathOrig);
                    ctxMnu.ShowContextMenu(dir, point);
                }
                else
                {
                    FileInfo[] arrFI = new FileInfo[1];
                    arrFI[0] = new FileInfo(TargetFilePathOrig);
                    ctxMnu.ShowContextMenu(arrFI, point);
                }

                IsContextMenuOpen = false;
                contextMenuClosed = DateTime.Now;
            }
        }

        internal void MouseClick(MouseEventArgs e, out bool toCloseByDoubleClick)
        {
            IsClicking = false;

            toCloseByDoubleClick = false;
            if (Properties.Settings.Default.OpenItemWithOneClick)
            {
                OpenItem(e, ref toCloseByDoubleClick);
            }

            if (Properties.Settings.Default.OpenDirectoryWithOneClick &&
                ContainsMenu && (e == null || e.Button == MouseButtons.Left))
            {
                Log.ProcessStart(TargetFilePath);
                if (!Properties.Settings.Default.StaysOpenWhenItemClicked)
                {
                    toCloseByDoubleClick = true;
                }
            }
        }

        internal void DoubleClick(MouseEventArgs e, out bool toCloseByDoubleClick)
        {
            IsClicking = false;

            toCloseByDoubleClick = false;
            if (!Properties.Settings.Default.OpenItemWithOneClick)
            {
                OpenItem(e, ref toCloseByDoubleClick);
            }

            if (!Properties.Settings.Default.OpenDirectoryWithOneClick &&
                ContainsMenu && (e == null || e.Button == MouseButtons.Left))
            {
                Log.ProcessStart(TargetFilePath);
                if (!Properties.Settings.Default.StaysOpenWhenItemClicked)
                {
                    toCloseByDoubleClick = true;
                }
            }
        }

        internal Icon ReadLoadedIcon()
        {
            if (ContainsMenu)
            {
                icon = IconReader.GetFolderIconWithCache(
                    TargetFilePathOrig,
                    IconReader.FolderType.Closed,
                    false,
                    false,
                    MenuLevel == 0,
                    out bool loading);
                IconLoading = loading;
            }
            else
            {
                bool showOverlay = false;
                string fileExtension = Path.GetExtension(TargetFilePathOrig);
                if (fileExtension == ".lnk" || fileExtension == ".url" || fileExtension == ".appref-ms")
                {
                    showOverlay = Properties.Settings.Default.ShowLinkOverlay;
                }

                icon = IconReader.GetFileIconWithCache(
                    TargetFilePathOrig,
                    TargetFilePath,
                    showOverlay,
                    false,
                    MenuLevel == 0,
                    out bool loading);
                IconLoading = loading;
            }

            if (!IconLoading && icon == null)
            {
                icon = NotFoundIcon;
            }

            if (HiddenEntry)
            {
                icon = IconReader.AddIconOverlay(icon, White50PercentageIcon);
            }

            return icon;
        }

        private void OpenItem(MouseEventArgs e, ref bool toCloseByOpenItem)
        {
            if (!ContainsMenu &&
                (e == null || e.Button == MouseButtons.Left))
            {
                ProcessStarted = true;
                string workingDirectory = Path.GetDirectoryName(TargetFilePath);
                Log.ProcessStart(TargetFilePathOrig, string.Empty, false, workingDirectory, true);
                if (!Properties.Settings.Default.StaysOpenWhenItemClicked)
                {
                    toCloseByOpenItem = true;
                }
            }
        }

        private bool ResolveLinkAndReadIcon(int level, ref bool isLnkDirectory, ref string resolvedLnkPath)
        {
            bool handled = false;
            resolvedLnkPath = FileLnk.GetResolvedFileName(TargetFilePath, out bool isFolder);

            if (string.IsNullOrEmpty(resolvedLnkPath))
            {
                // Log.Info($"Could not resolve *.LNK '{TargetFilePath}'");
            }
            else if (isFolder)
            {
                icon = IconReader.GetFolderIconWithCache(
                    TargetFilePathOrig,
                    IconReader.FolderType.Open,
                    Properties.Settings.Default.ShowLinkOverlay,
                    true,
                    level == 0,
                    out bool loading);
                IconLoading = loading;
                handled = true;
                isLnkDirectory = true;
            }
            else if (FileLnk.IsNetworkRoot(resolvedLnkPath))
            {
                isLnkDirectory = true;
            }
            else
            {
                TargetFilePath = resolvedLnkPath;
            }

            SetText(Path.GetFileNameWithoutExtension(TargetFilePathOrig));

            return handled;
        }
    }
}