using HotelPms.Client.Blazor.Dialog;
using HotelPms.Client.Blazor.Models;
using HotelPms.Client.Blazor.Util;
using HotelPms.Data.Common;
using HotelPms.Share.IO;
using HotelPms.Share.Util;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.Components.Web;
using MudBlazor;
using static HotelPms.Client.Blazor.Util.SystemEnum;

namespace HotelPms.Client.Blazor.Pages.UseDetail;

public partial class SaleInput : ComponentBase
{
    [Parameter] public ViewModel.UseInput? Data { get; set; }
    [Parameter] public Action OnRefresh { get; set; }

    private System.Threading.SemaphoreSlim slimlock = new SemaphoreSlim(1, 1);

    private IEnumerable<FeeDtailRow> FeeDetailList = new List<FeeDtailRow>();

    private IEnumerable<SaleChildRow> SaleChildList = new List<SaleChildRow>();

    private SaleInputRow selectedItem1 = null;
    private List<string> editEvents = new();
    private string searchString = "";
    private string RowSpaceStyle = "mt-2 pt-0 mb-0 pb-0";
    private MudTable<SaleInputRow> _table;

    private bool keyDownPreventDefault = false;
    private bool keyPressPreventDefault = false;
    private bool enterPush = false;
    private bool arrowUpPush = false;

    private EditGridFocusEventArgs m_CurrentFocusData = new EditGridFocusEventArgs();   

    protected override void OnInitialized()
    {
        //EnvironmentSetting.Debug($"SaleInput.OnInitialized開始：");
        base.OnInitialized();
    }

    protected override void OnAfterRender(bool firstRender)
    {
        //EnvironmentSetting.Debug($"SaleInput.OnAfterRender開始：{firstRender}");
        base.OnAfterRender(firstRender);
    }

    protected override async Task OnAfterRenderAsync(bool firstRender)
    {
        await slimlock.WaitAsync();
        EnvironmentSetting.Debug($"SaleInput.OnAfterRenderAsync開始：{firstRender}");
        await ShowFocus();
        EnvironmentSetting.Debug($"SaleInput.OnAfterRenderAsync終了：{firstRender}");
        slimlock.Release();
    }

    /// <summary>
    /// フォーカス移動準備
    /// </summary>
    /// <param name="row"></param>
    /// <param name="col"></param>
    /// <param name="action">EditModeの場合、自動で次のフォーカス移動する</param>
    private void SetFocus(int row, int col, EditGridFocusEventArgs.ActionType action = EditGridFocusEventArgs.ActionType.Focus)
    {
        EnvironmentSetting.Debug($"フォーカス移動準備：開始⇒Row：{row},Col：{col},Action：{action},Enabled：{m_CurrentFocusData.Enabled}");
        m_CurrentFocusData.Row = row;
        m_CurrentFocusData.Col = col;
        m_CurrentFocusData.Action = action; 
        m_CurrentFocusData.Enabled = true;
        EnvironmentSetting.Debug($"フォーカス移動準備：完了⇒Row：{row},Col：{col},Action：{action},Enabled：{m_CurrentFocusData.Enabled}");
    }

    /// <summary>
    /// OnAfterRenderAsync時フォーカスを設定
    /// </summary>
    private async Task<bool> ShowFocus()
    {
        try
        {
            EnvironmentSetting.Debug($"SaleInput.FocusAsync行Before：Row={m_CurrentFocusData.Row},Col={m_CurrentFocusData.Col},Action={m_CurrentFocusData.Action},Enabled={m_CurrentFocusData.Enabled}");
            if (!m_CurrentFocusData.Enabled) 
            {
                EnvironmentSetting.Debug($"OnAfterRenderAsync⇒return false");
                return false; 
            }
            m_CurrentFocusData.Enabled = false;

            EnvironmentSetting.Debug($"ShowFocus処理：Row={m_CurrentFocusData.Row},Col={m_CurrentFocusData.Col},Action={m_CurrentFocusData.Action},Enabled={m_CurrentFocusData.Enabled}");
            if (m_CurrentFocusData.Action == EditGridFocusEventArgs.ActionType.Focus && m_CurrentFocusData.Row != -1 && m_CurrentFocusData.Col != -1)
            {
                //この時点Grid編集状態ですので、フォーカス可能になる
                EnvironmentSetting.Debug($"フォーカスへ開始：Row = {m_CurrentFocusData.Row}, Col = {m_CurrentFocusData.Col}");
                await (Data.SaleList as List<SaleInputRow>)[m_CurrentFocusData.Row].Cells[m_CurrentFocusData.Col].Ref.FocusAsync();  //ここに再度OnAfterRenderAsyncに入るが、EnabledはFalseのため、ShowFocusの動作がしない
                EnvironmentSetting.Debug($"フォーカスへ完了：Row = {m_CurrentFocusData.Row}, Col = {m_CurrentFocusData.Col}");
            }
            return true;
        }
        catch(Exception ex)
        {
            EnvironmentSetting.Debug(ex.Message);
            return false;
        }
    }

    //protected override async Task OnAfterRenderAsync(bool firstRender)
    //{
    //    EnvironmentSetting.Debug($"SaleInput.OnAfterRenderAsync開始：{firstRender}");
    //    //await ShowFocus();
    //    //await JSInteropEx.DelGridCol(JSRuntime, "SaleInputTable", 11);
    //}

    protected override void OnParametersSet()
    {
        EnvironmentSetting.Debug($"SaleInput.OnParametersSet開始：");
        base.OnParametersSet();
    }

    protected override bool ShouldRender()
    {
        EnvironmentSetting.Debug($"SaleInput.ShouldRender開始：");
        return base.ShouldRender();
    }

    private async Task KeyPress(int index, SaleInputRow data, KeyboardEventArgs e)
    {
        //if (e.Key == "Enter")
        //{
        //    List<SaleInputRow> list = (Data.SaleList as List<SaleInputRow>);
        //    int rowIdx = list.IndexOf(selectedItem1);

        //    // https://bytemeta.vip/repo/MudBlazor/MudBlazor/issues/4192
        //    // https://github.com/MudBlazor/MudBlazor/issues/3292
        //    SaleInputRow newitem = (rowIdx == list.Count - 1) ? list[0] : list[rowIdx + 1];
        //    _table.SetSelectedItem(newitem);
        //    _table.SetEditingItem(newitem);
        //    await Task.Delay(50); //画面更新のため
        //    await newitem.Cells[(int)SaleInputRow.ColType.ItemName].Ref.FocusAsync();  //OnAfterRenderAsyncへ
        //}

        if (e.Key == "Enter")
        {
            try
            {
                int rowIdx = GetRowIndex(data);
                Console.WriteLine($"Row：{rowIdx} Col：{index}");
                Console.WriteLine("Data：" + CConvert.ToJsonText<SaleInputRow>(data));

                //※その時、Fields[index].Textの値まだ変っていない！！！！！
                string text = await data.GetInputValue(index, JSRuntime);
                EnvironmentSetting.Debug($"Return:{index}⇒{text}");
                keyPressPreventDefault = true;   //イベント中止
                enterPush = true;   //Enterを押した知らせ

                //通常チェックを行う
                if (!await IsValid(index, text, data, true)) { return; }

                if (!SetAutoNextFocus(index, true, data)) { return; }
            }
            catch (Exception ex)
            {
                OperationLog.Instance.WriteLog($"KeyPress：{ex.Message}");
            }
            finally
            {                
                Refresh("KeyPress");    //UI更新(binding値変更通知)
            }
        }
        else
        {
            if (index == (int)SaleInputRow.ColType.PersonCount || index == (int)SaleInputRow.ColType.UnitPrice)
            {
                if (CConvert.IsNumPress(e.Key))
                {
                    keyPressPreventDefault = false;
                }
                else
                {
                    keyPressPreventDefault = true; //入力禁止(※：IMEモードで入力したものをここでは通らないため、防げない)
                }
            }
            else
            {
                keyPressPreventDefault = false;
            }
            enterPush = false;
        }
    }

    /// <summary>
    /// フォーカス移動
    /// </summary>
    /// <param name="index">列Index</param>
    /// <param name="isEnter"></param>
    /// <returns></returns>
    private bool SetAutoNextFocus(int index, bool isEnter, SaleInputRow data)
    {
        try
        {
            int rowIdx = GetRowIndex(data);
            List<SaleInputRow> list = (Data.SaleList as List<SaleInputRow>);
            if (isEnter)
            {
                if (rowIdx == -1) { return true; }  //削除された場合

                if (index == (int)SaleInputRow.ColType.Page)
                {
                    if (rowIdx < (list.Count - 1))
                    {
                        //OnAfterRenderAsync：閲覧状態且つ新規行表示⇒編集状態⇒次項目へフォーカス
                        SetFocus(rowIdx + 1, (int)SaleInputRow.ColType.ItemName);
                    }
                }
                else if (index == (int)SaleInputRow.ColType.DiscountSummary)
                {
                    SetFocus(rowIdx, index + 2);
                }
                else
                {
                    SetFocus(rowIdx, index + 1);
                }
            }
            else
            {
                if (index == (int)SaleInputRow.ColType.ItemName)
                {
                    if (rowIdx > 0) 
                    {
                        SetFocus(rowIdx - 1, (int)SaleInputRow.ColType.ItemName);
                    }
                }
                else if (index == (int)SaleInputRow.ColType.SumDate)
                {
                    SetFocus(rowIdx, index - 2);
                }
                else
                {
                    SetFocus(rowIdx, index - 1);
                }
            }
            return true;
        }
        catch
        {
            return false;
        }
    }

    private void DetailClick(SaleInputRow data)
    {
        //Snackbar.Add("詳細表示");
        List<FeeDtailRow> list = FeeDetailList as List<FeeDtailRow>;
        list.Clear();
        list.Add(new() { Name = "本体額", Value = "10,000000" });
        list.Add(new() { Name = "ｻｰﾋﾞｽ", Value = "2,000" });
        list.Add(new() { Name = "消費税", Value = "100" });
        list.Add(new() { Name = "入湯税", Value = "250" });
        list.Add(new() { Name = "宿泊税", Value = "400" });
        list.Add(new() { Name = "合　計", Value = "16,850" });

        List<SaleChildRow> listChild = SaleChildList as List<SaleChildRow>;
        listChild.Clear();
        SaleChildRow row = new();
        row.Cells[0] = "S";
        row.Cells[1] = "101";
        row.Cells[2] = "基本料金";
        listChild.Add(row);

        row = new();
        row.Cells[0] = "S";
        row.Cells[1] = "101";
        row.Cells[2] = "朝食";
        listChild.Add(row);

        data.ActiveCol = (int)SaleInputRow.ColType.Detail;
        data.ShowDetails = !data.ShowDetails;
    }

    private void OnCommitEditButtonClicked(MouseEventArgs e)
    {
        _table.RowEditCommit?.Invoke(_table.SelectedItem);
        _table.OnCommitEditClick.InvokeAsync(e);
        _table.SetSelectedItem(null);
    }

    private async Task Save()
    {
        (Data.SaleList as List<SaleInputRow>).Add(new());
        //SaleInputRow newitem = (Data.SaleList as List<SaleInputRow>)[5];
        ////await Task.Delay(50);
        //_table.SetSelectedItem(newitem);
        //_table.SetEditingItem(newitem);
        await Task.Delay(50);
        //await newitem.Cells[(int)SaleInputRow.ColType.ItemName].Ref.FocusAsync();
    }

    private async Task KeyDown(int index, SaleInputRow data, KeyboardEventArgs e)
    {
        if (e.Key == "ArrowUp")
        {
            try
            {
                EnvironmentSetting.Debug($"ArrowUp:{index}");
                if (SetAutoNextFocus(index, false, data))
                {
                    //BlazorのBugでEnterのパラメータ変数できない！
                    //Uncaught Error: System.ArgumentException: There is no event handler associated with this event. EventId: '290'. (Parameter 'eventHandlerId')
                    //mkArtakMSFT modified the milestones: Next sprint planning, 6.0-preview4 on 20 Mar ← Net6.0-preview4対応だそう
                    keyDownPreventDefault = true;
                    arrowUpPush = true;
                }
                else
                {
                    keyDownPreventDefault = false;
                    arrowUpPush = false;
                }
            }
            catch (Exception ex)
            {
                OperationLog.Instance.WriteLog($"KeyDown：{ex.Message}");
            }
            finally
            {
                Refresh("KeyDown⇒↑");    //UI更新(binding値変更通知)
            }
        }
        else if (e.Key == "End")
        {
            if (data.Cells[index].ShowStyle == EShowStyle.ShowList)
            {
                data.ActiveCol = index;
                if (index == (int)SaleInputRow.ColType.SumDate)
                {
                    var parameters = new DialogParameters { ["Title"] = $"集計日選択", ["Data"] = CConvert.ToDateTime(data.Cells[index].Text) };
                    var dialog = DialogService.Show<SelectDate>(string.Empty, parameters);
                    var ret = await dialog.Result;
                    if (!ret.Cancelled)
                    {
                        EnvironmentSetting.Debug(ret.Data.ToString());
                        data.Cells[index].Text = ret.Data.ToString();
                        //StateHasChanged();
                    }
                }
                else
                {
                    data.ShowDetails = !data.ShowDetails;
                }
            }
        }
        else if (e.Key == "Delete")
        {
            if (index == (int)SaleInputRow.ColType.ItemName)
            {
                int rowIdx = GetRowIndex(data);
                List<SaleInputRow> list = (Data.SaleList as List<SaleInputRow>);
                bool isLastRow = rowIdx == (list.Count - 1);
                if (isLastRow) { return; }
                SetFocus(rowIdx, (int)SaleInputRow.ColType.ItemName);
                EnvironmentSetting.Debug($"削除前件数：{list.Count}");
                list.Remove(data);
                EnvironmentSetting.Debug($"削除後件数：{list.Count}");
                keyDownPreventDefault = false;
                arrowUpPush = false;
            }
        }
        else
        {
            keyDownPreventDefault = false;
            arrowUpPush = false;
        }

    }

    private async Task Enter(int index, SaleInputRow data, FocusEventArgs e)
    {
        await slimlock.WaitAsync();
        int rowIdx = GetRowIndex(data);
        Console.WriteLine($"Enter⇒Row：{rowIdx} Col：{index}");
        slimlock.Release();
        //ここは必ずUI更新
    }

    private async Task Leave(int index, SaleInputRow data, FocusEventArgs e)
    {
        string text = string.Empty;
        try
        {
            await slimlock.WaitAsync();
            Console.WriteLine($"Leave⇒Start");
            int rowIdx = GetRowIndex(data);
            text = data.GetCellText(index);
            Console.WriteLine($"Leave⇒Row：{rowIdx} Col：{index}　enterPush：{enterPush}, text：{text}");

            if (enterPush)
            {
                //Enterキーを押した時にも既にチェック済
                enterPush = false;
            }
            else
            {
                //値変更したら、イベント発生
                if (!data.IsValueChanged(index, text))
                {
                    //必須判断：初期表示時：OrgTextは空白のため、値変更しないまま
                    return;
                }

                //通常チェックを行う
                if (!await IsValid(index, text, data, false))
                {
                    return;
                }

                //Refresh("Leave(変更あり)");    //UI更新(binding値変更通知)
            }
        }
        catch (Exception ex)
        {
            OperationLog.Instance.WriteLog($"Leave：{ex.Message}");
        }
        finally
        {
            //Refresh();    //UI更新(binding値変更通知)
            Console.WriteLine($"Leave⇒End");
            slimlock.Release();

            //ここは必ずUI更新
        }
    }

    private int GetRowIndex(SaleInputRow data)
    {
        return (Data.SaleList as List<SaleInputRow>).IndexOf(data);
    }

    /// <summary>
    /// 業務チェック処理
    /// </summary>
    /// <param name="index"></param>
    /// <param name="inputText"></param>
    /// <param name="data"></param>
    /// <param name="isEnter"></param>
    /// <returns></returns>
    private async Task<bool> IsValid(int index, string inputText, SaleInputRow data, bool isEnter)
    {
        int rowIdx = GetRowIndex(data);
        //最終行判断
        List<SaleInputRow> list = (Data.SaleList as List<SaleInputRow>);
        bool isLastRow = rowIdx == (list.Count - 1);

        if (index == (int)SaleInputRow.ColType.ItemName)
        {
            if (!await IsValidItemName(rowIdx, inputText, data, isEnter, isLastRow, true))
            {
                return false;
            }
        }
        else if(index == (int)SaleInputRow.ColType.SumDate)
        {
        }
        else
        {

        }
        return true;
    }

    

    private RenderFragment RenderWidget(string msg) => builder =>
    {
        builder.OpenComponent(0, typeof(MessageContext));
        builder.AddAttribute(1, "Text", msg);
        builder.CloseComponent();
    };

    /// <summary>
    /// 
    /// </summary>
    /// <param name="inputText"></param>
    /// <param name="data"></param>
    /// <param name="isEnter"></param>
    /// <param name="isLastRow">Trueの場合、必ずID</param>
    /// <param name="isAny">True：ID or Name  False：ID</param>
    /// <returns></returns>
    private async Task<bool> IsValidItemName(int rowIdx, string inputText, SaleInputRow data, bool isEnter, bool isLastRow, bool isAny)
    {
        if (inputText.Trim().Length == 0) { return true; }
        HotelPms.Data.UseInfo.Sale curSale = data.GetSale();
        bool nameChanged = false;

        if (isLastRow)
        {
            if (!CanCreateSale()) { return true; }
        }
        else
        {
            //変更されたかどうか
            bool isChanged = false;
            if (isAny)
            {
                //直接入力する(数字の場合、ItemIDで扱う)
                if (CConvert.IsWholeNumber(inputText))
                {
                    if (curSale.IsReadOnly()) { return true; }
                    if (inputText.PadLeft(50, '0') != curSale.ItemID.PadLeft(50, '0')) { isChanged = true; } else { data.RestoreText(SaleInputRow.ColType.ItemName); }
                }
                else
                {
                    if (inputText != curSale.ItemName) { isChanged = true; nameChanged = true; }
                }
            }
            else
            {
                //Endキーより別の科目を選択など
                if (inputText != curSale.ItemID) { isChanged = true; }
            }
            if (!isChanged) { return true; }  //変更しなかったら
        }

        if (!RaiseValueChanged((int)SaleInputRow.ColType.ItemName, data)) { return false; }   //変更イベント通知

        //名称変更のみ
        if (nameChanged)
        {
            data.SetDataField((int)SaleInputRow.ColType.ItemName, inputText);
            return true;
        }

        //入力値はItemIDと処理する
        HotelPms.Data.Master.Item item = await MasterCore.GetItem(inputText);
        if (item == null)
        {
            //科目が存在しない
            if (isEnter) { Message.Show(RenderMessage(inputText)); }
            data.RestoreText(SaleInputRow.ColType.ItemName);
            return false;
        }

        if (isLastRow)
        {            
            int saleID = await EnvironmentSetting.GetSeq(ESeqType.Sale);
            int taxRate = await EnvironmentSetting.GetTaxRate(Data.SelUseRoomRow.UseRoom.UseDate.ToText(), item.TaxType);
            curSale = Data.SelUseRoomRow.UseRoom.AddSaleByItem(saleID, taxRate, item);  //選択された部屋より追加            
            data.DataList[rowIdx] = curSale;    
        }
        else
        {
            //既存行の科目変更
            if (curSale.ItemKind == (int)EItemKind.StayBase || curSale.ItemKind == (int)EItemKind.DayUseBase)
            {
                if (item.Kind != (int)EItemKind.StayBase && item.Kind != (int)EItemKind.DayUseBase)
                {
                    if (isEnter) { Message.Show(RenderMessage("基本科目を入力してください。")); }
                    data.RestoreText(SaleInputRow.ColType.ItemName);
                    return false;
                }
            }
            else
            {
                if (item.Kind == (int)EItemKind.StayBase || item.Kind == (int)EItemKind.DayUseBase)
                {
                    if (isEnter) { Message.Show(RenderMessage("追加科目を入力してください。")); }
                    data.RestoreText(SaleInputRow.ColType.ItemName);
                    return false;
                }
            }

            HotelPms.Data.UseInfo.UseRoom useRoom;
            HotelPms.Data.UseInfo.Sale newSale;            
            if (Data.SaleDispType == ESaleDispType.Normal)
            {
                useRoom = curSale.Parent as HotelPms.Data.UseInfo.UseRoom;
                useRoom.RemoveSale(curSale);
                int saleID = await EnvironmentSetting.GetSeq(ESeqType.Sale);
                int taxRate = await EnvironmentSetting.GetTaxRate(useRoom.UseDate.ToText(), item.TaxType);
                newSale = useRoom.AddSaleByItem(saleID, taxRate, item, curSale);
                data.DataList.Clear();
                data.DataList.Add(newSale);
            }
            else
            {
                //まとめモードの変更
                List<HotelPms.Data.UseInfo.Sale> copyList = new List<HotelPms.Data.UseInfo.Sale>();
                copyList.AddRange(data.DataList);
                foreach (HotelPms.Data.UseInfo.Sale tagSlip in copyList)
                {
                    curSale = tagSlip as HotelPms.Data.UseInfo.Sale;
                    useRoom = curSale.Parent as HotelPms.Data.UseInfo.UseRoom;
                    useRoom.RemoveSale(curSale);      //元の伝票を削除
                    int saleID = await EnvironmentSetting.GetSeq(ESeqType.Sale);
                    int taxRate = await EnvironmentSetting.GetTaxRate(useRoom.UseDate.ToText(), item.TaxType);
                    newSale = useRoom.AddSaleByItem(saleID, taxRate, item, curSale); //新伝票の追加                                                                    
                    int orgSlipIndex = data.DataList.IndexOf(curSale);  
                    data.DataList[orgSlipIndex] = newSale;   //切替える
                }
            }
        }


        data.SetDataField((int)SaleInputRow.ColType.ItemName, item.Name);

        //画面表示（イベントを起こすため、必ず一番最後）
        data.Cells[(int)SaleInputRow.ColType.ItemName].Text = item.Name;

        //新規行追加
        if (isLastRow) 
        {
            //OnAfterRenderAsync：閲覧状態且つ新規行表示⇒編集状態⇒次項目へフォーカス
            SetFocus(rowIdx, (int)SaleInputRow.ColType.PersonCount);
            EnvironmentSetting.Debug($"新規行追加⇒開始");
            (Data.SaleList as List<SaleInputRow>).Add(new());
            EnvironmentSetting.Debug($"新規行追加⇒終了");
            return false;  //次の列SetAutoNextFocus行かない
        }
        return true;
    }

    /// <summary>
    /// 新規伝票可能かどうか
    /// </summary>
    /// <returns></returns>
    private bool CanCreateSale()
    {
        return true;
    }

    /// <summary>
    /// 値変更
    /// </summary>
    public bool RaiseValueChanged(int index, SaleInputRow data)
    {
        return true;
    }

    /// <summary>
    /// コントロール再表示
    /// </summary>
    public void Refresh(string type)
    {
        EnvironmentSetting.Debug($"再表示へ開始：{type}");
        StateHasChanged();
        EnvironmentSetting.Debug($"再表示へ終了：{type}");
        //await InvokeAsync(StateHasChanged);
        //OnRefresh?.Invoke(); 
    }
}