using System;
using System.IO;
using System.Reflection;
using AsbCloudApp.Data;
using AsbCloudApp.Data.ProcessMapPlan;
using AsbCloudApp.Requests.ParserOptions;
using ClosedXML.Excel;

namespace AsbCloudInfrastructure.Services.ProcessMapPlan.Parser;

public abstract class ProcessMapPlanParser<TDto> : ParserExcelService<TDto, IParserOptionsRequest>
	where TDto : ProcessMapPlanBaseDto
{
	protected ProcessMapPlanParser(IServiceProvider serviceProvider)
		: base(serviceProvider)
	{
	}

	private const int HeaderRowsCount = 2;
	private const int ColumnCount = 18;

	protected abstract string TemplateFileName { get; }
	
	public override ParserResultDto<TDto> Parse(Stream file, IParserOptionsRequest options)
	{
		using var workbook = new XLWorkbook(file);

		var sheet = workbook.GetWorksheet(SheetName);

		var processMaps = ParseExcelSheet(sheet, ColumnCount, HeaderRowsCount);
		return processMaps;
	}

	public override Stream GetTemplateFile() =>
		Assembly.GetExecutingAssembly().GetTemplateCopyStream(TemplateFileName)
		?? throw new ArgumentNullException($"Файл '{TemplateFileName}' не найден");

	protected static int? GetIdMode(string? modeName) =>
		modeName?.Trim().ToLower() switch
		{
			"ручной" => 0,
			"ротор" => 1,
			"слайд" => 2,
			_ => null
		};
}