using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.Encodings.Web;
using System.Threading.Tasks;
using FastReport.Web.Toolbar;

namespace FastReport.Web.Blazor.Components
{
    public partial class Toolbar
    {
        float currentZoom;
        bool isFirstPage;
        bool isLastPage;
        bool isSinglePage;

        static readonly float[] zoomList = new[] { 300f, 200f, 150f, 100f, 90f, 75f, 50f, 25f };

        private ToolbarLocalization Localization;

        private int CurrentPage
        {
            get => WebReport.CurrentPageIndex + 1;
            set => WebReport.CurrentPageIndex = value + 1;
        }

        private int InputValue
        {
            get => WebReport.TotalPages == 0 ? 0 : CurrentPage;
            set
            {
                if (value != CurrentPage)
                {
                    // Check bounds
                    if (value > 0 && value < WebReport.TotalPages + 1)
                    {
                        WebReport.GotoPage(value - 1);
                        PageChanged.Invoke();
                    }
                }
            }
        }

        public Toolbar()
        {

        }

        private void Reload()
        {
            WebReport.OnUpdate(true);
        }


        private void Zoom(float value)
        {
            WebReport.Zoom = value / 100;

            WebReport.OnUpdate();
        }

        private enum PrintTypes
        {
            HTML,
            PDF
        }

        private void InvokeInputAction(string inputValue, ElementChangeAction action)
        {
            action?.OnChangeAction?.Invoke(WebReport, inputValue);
        }

        private void InvokeAction(ElementClickAction toolbarAction)
        {
            toolbarAction?.OnClickAction?.Invoke(WebReport);
            WebReport.OnUpdate(true);
        }

        private void GotoFirst()
        {
            WebReport.FirstPage();
            PageChanged.Invoke();
        }

        private void GotoPrevious()
        {
            if (CurrentPage - 1 > 0)
            {
                WebReport.PrevPage();
                PageChanged.Invoke();
            }
        }

        private void GotoNext()
        {
            if (CurrentPage < WebReport.TotalPages)
            {
                WebReport.NextPage();
                PageChanged.Invoke();
            }
        }

        private void GotoLast()
        {
            WebReport.LastPage();
            PageChanged.Invoke();
        }

    }
}