using System;
using System.Collections.Generic;
using Xunit;

namespace Util.Tests.Helpers {
    /// <summary>
    /// 测试字符串操作 - 工具库
    /// </summary>
    public partial class StringTest {
        /// <summary>
        /// 测试将集合连接为带分隔符的字符串
        /// </summary>
        [Fact]
        public void TestJoin() {
            Assert.Equal( "1,2,3", Util.Helpers.String.Join( new List<int> { 1, 2, 3 } ) );
            Assert.Equal( "'1','2','3'", Util.Helpers.String.Join( new List<int> { 1, 2, 3 }, "'" ) );
            Assert.Equal( "123", Util.Helpers.String.Join( new List<int> { 1, 2, 3 }, "", "" ) );
            Assert.Equal( "\"1\",\"2\",\"3\"", Util.Helpers.String.Join( new List<int> { 1, 2, 3 }, "\"" ) );
            Assert.Equal( "1 2 3", Util.Helpers.String.Join( new List<int> { 1, 2, 3 }, "", " " ) );
            Assert.Equal( "1;2;3", Util.Helpers.String.Join( new List<int> { 1, 2, 3 }, "", ";" ) );
            Assert.Equal( "1,2,3", Util.Helpers.String.Join( new List<string> { "1", "2", "3" } ) );
            Assert.Equal( "'1','2','3'", Util.Helpers.String.Join( new List<string> { "1", "2", "3" }, "'" ) );

            var list = new List<Guid> {
                new Guid( "83B0233C-A24F-49FD-8083-1337209EBC9A" ),
                new Guid( "EAB523C6-2FE7-47BE-89D5-C6D440C3033A" )
            };
            Assert.Equal( "83B0233C-A24F-49FD-8083-1337209EBC9A,EAB523C6-2FE7-47BE-89D5-C6D440C3033A".ToLower(), Util.Helpers.String.Join( list ) );
            Assert.Equal( "'83B0233C-A24F-49FD-8083-1337209EBC9A','EAB523C6-2FE7-47BE-89D5-C6D440C3033A'".ToLower(), Util.Helpers.String.Join( list, "'" ) );
        }

        /// <summary>
        /// 测试获取拼音简码
        /// </summary>
        [Theory]
        [InlineData( null, "" )]
        [InlineData( "", "" )]
        [InlineData( "中国", "zg" )]
        [InlineData( "a1宝藏b2", "a1bcb2" )]
        [InlineData( "饕餮", "tt" )]
        [InlineData( "爩", "y" )]
        public void TestPinYin( string input, string result ) {
            Assert.Equal( result, Util.Helpers.String.PinYin( input ) );
        }

        /// <summary>
        /// 首字母小写
        /// </summary>
        [Theory]
        [InlineData( null, "" )]
        [InlineData( "", "" )]
        [InlineData( " ", "" )]
        [InlineData( "a", "a" )]
        [InlineData( "A", "a" )]
        [InlineData( "Ab", "ab" )]
        [InlineData( "AB", "aB" )]
        [InlineData( "Abc", "abc" )]
        public void TestFirstLowerCase( string value, string result ) {
            Assert.Equal( result, Util.Helpers.String.FirstLowerCase( value ) );
        }

        /// <summary>
        /// 首字母大写
        /// </summary>
        [Theory]
        [InlineData( null, "" )]
        [InlineData( "", "" )]
        [InlineData( " ", "" )]
        [InlineData( "a", "A" )]
        [InlineData( "A", "A" )]
        [InlineData( "ab", "Ab" )]
        [InlineData( "AB", "AB" )]
        [InlineData( "abC", "AbC" )]
        public void TestFirstUpperCase( string value, string result ) {
            Assert.Equal( result, Util.Helpers.String.FirstUpperCase( value ) );
        }

        /// <summary>
        /// 分隔词组
        /// </summary>
        [Theory]
        [InlineData( null, "" )]
        [InlineData( "", "" )]
        [InlineData( " ", "" )]
        [InlineData( "AaA", "aa-a" )]
        [InlineData( "AA", "aa" )]
        [InlineData( "ABC", "abc" )]
        [InlineData( "NetCore", "net-core" )]
        public void TestSplitWordGroup( string value, string result ) {
            Assert.Equal( result, Util.Helpers.String.SplitWordGroup( value ) );
        }
    }
}