using ConsoleApp2.HostedServices.Abstractions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ConsoleApp2.Const;
using ConsoleApp2.Options;
using ConsoleApp2.Services;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System.Reflection.PortableExecutable;
using System.Collections.Concurrent;
using ConsoleApp2.SimulationService;

namespace ConsoleApp2.HostedServices
{
    public class TestInputService : IInputService
    {
        private readonly ILogger _logger;
        private readonly IOptions<CsvOptions> _csvOptions;
        private readonly DataRecordQueue _producerQueue;
        private readonly ProcessContext _context;
        public TestInputService(ILogger<TestInputService> logger,
    IOptions<CsvOptions> csvOptions,
    [FromKeyedServices(ProcessStep.Producer)] DataRecordQueue producerQueue,
    ProcessContext context)
        {
            _logger = logger;
            _csvOptions = csvOptions;
            _producerQueue = producerQueue;
            _context = context;
        }
        public async Task ExecuteAsync(TasksOptions tasksOptions, DataRecordQueue producerQueue, ProcessContext context, CancellationToken cancellationToken)
        {
            var tableName = "order_item";
            var headers = new string[] { "ID","OrderNo","ItemNo","ItemType","RoomID","BoxID","DataID","PlanID","PackageID","Num","CompanyID","ShardKey" };
            var dataCount = 1200000000L;
            var tempCount = 80000;
            var tempRecords=new List<DataRecord>();
            var comanyID = 1;
            short[] shareKeys = { 23040, 23070, 23100, 24000, 24040, 24070, 24100, 25000, 25040, 25070, 25100 };
            int[] companyIds = { 1, 2, 3, 4 };
            var sk = shareKeys.First();
            var companyID = companyIds.First();

            var shareKeyInterval = 20000;
            var getShareKeyTimes = 0;
            var getCompanyIDTimes = 0;
            var shareKeyIntervalCount = 0;
            for (long i = 1; i <= dataCount; i++)
            {
                shareKeyIntervalCount++;
                if (shareKeyIntervalCount > shareKeyInterval) {
                    sk=DataHelper.GetShareKey(getShareKeyTimes);
                    getShareKeyTimes++;
                    shareKeyIntervalCount = 0;
                }
                var fields = new string[] { i.ToString(), "20220104020855", (220105981029 + i).ToString(), "1", "482278", "482279", "3768774", "0", "0", "1", companyID.ToString(), sk.ToString() };
                var record = new DataRecord(fields, tableName, headers, comanyID);
                tempRecords.Add(record);
                if (tempRecords.Count >= tempCount)
                {
                    foreach (var rc in tempRecords)
                    {
                        _context.AddInput();
                        _producerQueue.Enqueue(rc);
                        if (cancellationToken.IsCancellationRequested)
                            return;
                    }
                    tempRecords.Clear();
                    companyID = DataHelper. GetCompanyId(getCompanyIDTimes);
                    getCompanyIDTimes++;
                }
            }
           
            _context.CompleteInput();
            _logger.LogInformation("***** Csv input service completed *****");
        }

    }
}