using LCU.Library.Internal.FileOperationsModels.Models.NameSettings;
using LCU.Library.Internal.FileOperationsModels.Shared;
using System.Collections.Generic;
using Xunit;

namespace LCU.Api.Internal.FileOperationsTests.Shared
{
    public class RegexNameHandlerTest
    {

        [Fact]
        public void BuildFileList_NoRegex_Return_SingleFileName()
        {
            // arrange
            var name = "testfile.txt";
            var path = "\\TEST";
            var settings = new DynamicNameSetting();

            // act
            var result = RegexNameHandler.BuildFileList(path, name, settings);

            // assert
            Assert.Single(result);
        }

        [Fact]
        public void BuildRegexName_Return_FileName_OneRegex_Replaced()
        {
            // arrange
            var name = "testfile_{Regex01}.txt";
            var settings = new DynamicNameSetting();
            settings.RegexSettings = new List<RegexSetting>();
            var regexTest = new RegexSetting()
            {
                Tag = "{Regex01}",
                Regex = "\\d*"
            };
            settings.RegexSettings.Add(regexTest);

            // act
           var result = RegexNameHandler.BuildRegexName(name, settings);

            // assert           
            Assert.Equal("testfile_\\d*.txt", result.ToString());
        }

        [Fact]
        public void BuildRegexName_Return_FileName_TwoRegex_Replaced()
        {
            // arrange
            var name = "testfile_{Regex01}_Test_{Regex02}.txt";
            var settings = new DynamicNameSetting();
            settings.RegexSettings = new List<RegexSetting>();
            var regexTest1 = new RegexSetting()
            {
                Tag = "{Regex01}",
                Regex = "\\d*"
            };
            settings.RegexSettings.Add(regexTest1);

            var regexTest2 = new RegexSetting()
            {
                Tag = "{Regex02}",
                Regex = "\\w*"
            };
            settings.RegexSettings.Add(regexTest2);

            // act
            var result = RegexNameHandler.BuildRegexName(name, settings);

            // assert           
            Assert.Equal("testfile_\\d*_Test_\\w*.txt", result.ToString());
        }

        [Fact]
        public void ReplaceTagWithRegex_Return_FileName_OneRegex_Replaced()
        {
            // arrange
            var name = "testfile_{Regex01}.txt";
            var tag = "{Regex01}";
            var regex = "\\d*";

            // act
            var result = RegexNameHandler.ReplaceTagWithRegex(name, tag, regex);

            // assert           
            Assert.Equal("testfile_\\d*.txt", result);
        }
    }
}