using System;
using System.Drawing;
using System.Windows.Forms;
using FastReport.Utils;

namespace FastReport.Forms
{
    internal partial class PictureEditorForm : BaseDialogForm
    {
        private PictureObject picture;

        private void SetImage(Image image)
        {
            pbPicture.Image = image;
            if (image != null)
            {
                if (image.Width < pbPicture.Width && image.Height < pbPicture.Height)
                    pbPicture.SizeMode = PictureBoxSizeMode.CenterImage;
                else
                    pbPicture.SizeMode = PictureBoxSizeMode.Zoom;
                lblSize.Text = image.Width.ToString() + " × " + image.Height.ToString();
            }
            else
                lblSize.Text = "";

            btnEdit.Enabled = btnClear.Enabled = image != null;
        }

        private void btnLoad_Click(object sender, EventArgs e)
        {
            if (Dialogs.OpenImage(out string fileName))
            {
                try
                {
                    SetImage(ImageHelper.LoadFromFile(fileName));
                }
                catch (Exception ex)
                {
                    FRMessageBox.Error(ex.Message);
                }
            }
        }

        private void btnPaste_Click(object sender, EventArgs e)
        {
            if (Clipboard.ContainsImage())
                SetImage(Clipboard.GetImage());
        }

        private void btnClear_Click(object sender, EventArgs e)
        {
            SetImage(null);
        }

        private void tbFileName_ButtonClick(object sender, EventArgs e)
        {
            if (Dialogs.OpenImage(out string fileName))
            {
                tbFileName.Text = fileName;
            }
        }

        private void btnEdit_Click(object sender, EventArgs e)
        {
            if (pbPicture.Image != null)
            {
                using (PictureEditorAdvancedForm f = new PictureEditorAdvancedForm(pbPicture.Image))
                {
                    if (f.ShowDialog() == DialogResult.OK)
                    {
                        SetImage(f.Image);
                    }
                }
            }
        }

        private void PictureEditorForm_FormClosed(object sender, FormClosedEventArgs e)
        {
            Done();
        }

        private void Init()
        {
            ProfessionalColorTable vs2005ColorTable = new ProfessionalColorTable();
            vs2005ColorTable.UseSystemColors = true;
            ts1.Renderer = new ToolStripProfessionalRenderer(vs2005ColorTable);

            SetImage(null);
            if (picture.IsDataColumn)
                pcPages.ActivePageIndex = 1;
            else if (picture.IsFileLocation)
            {
                pcPages.ActivePageIndex = 2;
                tbFileName.Text = picture.ImageLocation;
            }
            else if (picture.IsWebLocation)
            {
                pcPages.ActivePageIndex = 3;
                tbUrl.Text = picture.ImageLocation;
            }
            else
            {
                pcPages.ActivePageIndex = 0;
                SetImage(picture.Image);
            }
            tvData.CreateNodes(picture.Report.Dictionary);
            tvData.SelectedItem = picture.DataColumn;

#if AVALONIA
            // enable when Avalonia will support clipboard bitmaps
            btnPaste.Enabled = false;
#endif
        }

        private void Done()
        {
            if (DialogResult == DialogResult.OK)
            {
                picture.Image = null;
                picture.DataColumn = "";
                picture.ImageLocation = "";

                switch (pcPages.ActivePageIndex)
                {
                    case 0:
                        picture.Image = pbPicture.Image;
                        break;

                    case 1:
                        picture.DataColumn = tvData.SelectedItem;
                        break;

                    case 2:
                        picture.ImageLocation = tbFileName.Text;
                        break;

                    case 3:
                        picture.ImageLocation = tbUrl.Text;
                        break;
                }
            }
        }

        public override void Localize()
        {
            base.Localize();
            MyRes res = new MyRes("Forms,PictureEditor");
            Text = res.Get("");
            pnPicture.Text = res.Get("Picture");
            btnLoad.Text = res.Get("Load");
            btnPaste.Text = res.Get("Paste");
            btnClear.Text = res.Get("Clear");
            btnEdit.Text = res.Get("Edit");
            pnDataColumn.Text = res.Get("DataColumn");
            pnFileName.Text = res.Get("FileName");
            pnUrl.Text = res.Get("Url");
            lblFile.Text = res.Get("FileHint1");
            lblNote.Text = res.Get("FileHint2");
            lblUrl.Text = res.Get("UrlHint");
        }

        public override void UpdateDpiDependencies()
        {
            base.UpdateDpiDependencies();
            tvData.ImageList = GetImages();
            lblNote.Left = tbFileName.Left;
            lblNote.Width = tbFileName.Width;
            ts1.Size = this.LogicalToDevice(new Size(372, 25));
            ts1.Font = Font;
            tbFileName.Image = GetImage(1);
            btnLoad.Image = GetImage(1);
            btnPaste.Image = GetImage(7);
            btnClear.Image = GetImage(82);
            btnEdit.Image = GetImage(198);
        }

        public PictureEditorForm(PictureObject picture)
        {
            this.picture = picture;
            InitializeComponent();
            Localize();
            Init();
            UIUtils.CheckRTL(this);
            UpdateDpiDependencies();
        }

    }
}