using IndustrialControl.Services;
using IndustrialControl.ViewModels;

namespace IndustrialControl.Pages
{
    [QueryProperty(nameof(OutstockId), "outstockId")]
    [QueryProperty(nameof(OutstockNo), "outstockNo")]
    [QueryProperty(nameof(OrderType), "orderType")]
    [QueryProperty(nameof(OrderTypeName), "orderTypeName")]
    [QueryProperty(nameof(PurchaseNo), "purchaseNo")]
    [QueryProperty(nameof(SupplierName), "supplierName")]
    [QueryProperty(nameof(CreatedTime), "createdTime")]
    public partial class OutboundFinishedPage : ContentPage
    {
        private readonly ScanService _scanSvc;
        private readonly OutboundFinishedViewModel _vm;
        public string? OutstockId { get; set; }
        public string? OutstockNo { get; set; }
        public string? OrderType { get; set; }
        public string? OrderTypeName { get; set; }
        public string? PurchaseNo { get; set; }
        public string? SupplierName { get; set; }
        public string? CreatedTime { get; set; }


        public OutboundFinishedPage(OutboundFinishedViewModel vm, ScanService scanSvc)
        {
            InitializeComponent();
            BindingContext = vm;
            _scanSvc = scanSvc;
            _vm = vm;
            _scanSvc.Prefix = null;     // 例如 "}q" 之类的前缀；没有就留 null
                                        // _scanSvc.Suffix = "\n";     // 如果设备会附带换行，可去掉；没有就设 null
                                        //_scanSvc.DebounceMs = 250;
            _scanSvc.Suffix = null;   // 先关掉
            _scanSvc.DebounceMs = 0;  // 先关掉
        }

        protected override async void OnAppearing()
        {
            base.OnAppearing();

            // ✅ 用搜索页带过来的基础信息初始化页面，并拉取两张表
            if (!string.IsNullOrWhiteSpace(OutstockId))
            {
                await _vm.InitializeFromSearchAsync(
                    outstockId: OutstockId ?? "",
                    outstockNo: OutstockNo ?? "",
                    orderType: OrderType ?? "",
                    orderTypeName: OrderTypeName ?? "",
                    purchaseNo: PurchaseNo ?? "",
                    supplierName: SupplierName ?? "",
                    createdTime: CreatedTime ?? ""
                );
            }

            _scanSvc.Scanned += OnScanned;
            _scanSvc.StartListening();
            _scanSvc.Attach(ScanEntry);
            ScanEntry.Focus();
        }

        protected override void OnDisappearing()
        {
            // 退出页面即注销（防止多个程序/页面抢处理）
            _scanSvc.Scanned -= OnScanned;
            _scanSvc.StopListening();

            base.OnDisappearing();
        }

        private void OnScanned(string data, string type)
        {
            MainThread.BeginInvokeOnMainThread(async () =>
            {
                // 常见处理：自动填入单号/条码并触发查询或加入明细
                _vm.ScanCode = data;

                // 你原本的逻辑：若识别到是订单号 → 查询；若是包装码 → 加入列表等
                await _vm.HandleScannedAsync(data, type);
            });
        }

        /// <summary>
        /// 清空扫描记录
        /// </summary>
        void OnClearClicked(object sender, EventArgs e)
        {
            _vm.ClearScan();
            ScanEntry.Text = string.Empty;
            ScanEntry.Focus();
        }

        /// <summary>
        /// 预留摄像头扫码
        /// </summary>
        async void OnScanClicked(object sender, EventArgs e)
        {
            await DisplayAlert("提示", "此按钮预留摄像头扫码；硬件扫描直接扣扳机。", "确定");
        }

        /// <summary>
        /// 点击“出库单明细”Tab
        /// </summary>
        void OnPendingTabClicked(object sender, EventArgs e)
        {
            _vm.ShowPendingCommand.Execute(null);
        }

        /// <summary>
        /// 点击“扫描明细”Tab
        /// </summary>
        void OnScannedTabClicked(object sender, EventArgs e)
        {
            _vm.ShowScannedCommand.Execute(null);
        }

        /// <summary>
        /// 扫描通过
        /// </summary>
        void OnPassScanClicked(object sender, EventArgs e)
        {
            _vm.PassScanCommand.Execute(null);
        }

        /// <summary>
        /// 取消扫描
        /// </summary>
        void OnCancelScanClicked(object sender, EventArgs e)
        {
            _vm.CancelScanCommand.Execute(null);
        }

        /// <summary>
        /// 确认出库
        /// </summary>
        async void OnConfirmClicked(object sender, EventArgs e)
        {
            _vm.ConfirmCommand.Execute(null);
        }
    }
}