using IgniteUI.Blazor.Controls;
using Microsoft.AspNetCore.Components;
using Microsoft.Extensions.Logging;
using Microsoft.JSInterop;
using MudBlazor;
using OI.Metrology.Shared.DataModels;
using OI.Metrology.Shared.Models.Stateless;
using System.Net;
using System.Net.Http.Json;

namespace OI.Metrology.View;

public partial class Export
{

    protected TimeSpan? _TimeSpan;
    protected DateRange? _DateRange;
    protected ToolTypeNameId? _ToolTypeNameId;
    protected ToolTypeNameId[]? _ToolTypeNameIdCollection;

    [Inject] protected HttpClient? HttpClient { get; set; }
    [Inject] protected IJSRuntime? JSRuntime { get; set; }
    [Inject] protected Models.AppSettings? AppSettings { get; set; }
    [Inject] protected ILogger<AwaitingDisposition>? Logger { get; set; }

    protected Func<ToolTypeNameId, string> _ConvertFunc = toolTypeNameId => string.Concat(toolTypeNameId?.ToolTypeName);

    protected override Task OnAfterRenderAsync(bool firstRender)
    {
        if (firstRender)
        {
            if (JSRuntime is null)
                throw new NullReferenceException(nameof(JSRuntime));
            if (AppSettings is null)
                throw new NullReferenceException(nameof(AppSettings));
            return JSRuntime.InvokeVoidAsync("initExport", AppSettings.ApiUrl, DateTime.Now.AddMonths(-1), DateTime.Now).AsTask();
        }
        return Task.CompletedTask;
    }

    protected override async Task OnInitializedAsync()
    {
        _ToolTypeNameId ??= new();
        _TimeSpan ??= new TimeSpan(DateTime.Now.Hour, DateTime.Now.Minute, 00);
        _DateRange ??= new DateRange(DateTime.Now.AddMonths(-1).Date, DateTime.Now.Date);
        if (Logger is null)
            throw new NullReferenceException(nameof(Logger));
        if (HttpClient is null)
            throw new NullReferenceException(nameof(HttpClient));
        string controllerName = IToolTypesController<object>.GetRouteName();
        try
        {
            Result<ToolTypeNameId[]>? result = await HttpClient.GetFromJsonAsync<Result<ToolTypeNameId[]>>($"api/{controllerName}");
            if (result is not null)
                _ToolTypeNameIdCollection = result.Results;
        }
        catch (Exception)
        {
            string json = await HttpClient.GetStringAsync($"api/{controllerName}");
            Logger.LogInformation(message: json);
        }
    }

    protected async Task DownloadAsync()
    {
        if (JSRuntime is null)
            throw new NullReferenceException(nameof(JSRuntime));
        if (HttpClient is null)
            throw new NullReferenceException(nameof(HttpClient));
        if (_TimeSpan is null || _DateRange is null || _ToolTypeNameId is null || _ToolTypeNameIdCollection is null || _ToolTypeNameId.ToolTypeName is null || _DateRange.Start is null || _DateRange.End is null)
            return;
        string controllerName = IToolTypesController<object>.GetRouteName();
        string endTime = _DateRange.End.Value.AddTicks(_TimeSpan.Value.Ticks).ToString();
        string startTime = _DateRange.Start.Value.AddTicks(_TimeSpan.Value.Ticks).ToString();
        string fileName = $"Export_{_ToolTypeNameId.ToolTypeName}_{startTime:yyyyMMddHHmm}_to_{endTime:yyyyMMddHHmm}.csv";
        string query = $"datebegin={startTime:MM/dd/yyyy hh:mm tt}&dateend={endTime:MM/dd/yyyy hh:mm tt}&filename={WebUtility.UrlEncode(fileName)}";
        await JSRuntime.InvokeVoidAsync("triggerFileDownload", fileName, $"{HttpClient.BaseAddress}api/{controllerName}/{_ToolTypeNameId.ID}/csv?{query}");
    }

}