using AutoBet.ApiGenerator.Extensions;
using System;
using System.Collections.Generic;
using System.Text;

namespace AutoBet.ApiGenerator
{
    public static class CSharpClassBuilder
    {
        public static void Summary(StringBuilder sb, string summary, bool isClassSummary = false)
        {
            var indentSpaces = isClassSummary ? 4 : 8;
            if (!String.IsNullOrWhiteSpace(summary))
            {
                sb.AppendWithIndent(indentSpaces, "/// <summary>\r\n");

                var descriptionLines = summary.Trim().TrimEnd('\n').Replace("\r", "").Split('\n');
                foreach (var line in descriptionLines)
                {
                    sb.AppendWithIndent(indentSpaces, "/// ");
                    sb.Append(line.Trim());
                    sb.AppendLine();
                }
                sb.AppendWithIndent(indentSpaces, "/// </summary>\r\n");
            }
        }

        public static void ClassFooter(StringBuilder sb)
        {
            sb.AppendWithIndent(4, "}");
            sb.AppendLine();
        }

        public static void ClassHeader(StringBuilder sb, string name)
        {
            sb.AppendWithIndent(4, "public class ");
            sb.Append(name);
            sb.AppendLine();
            sb.AppendWithIndent(4, "{");
            sb.AppendLine();
        }

        public static void EnumHeader(StringBuilder sb, string name)
        {
            sb.AppendWithIndent(4, "public enum ");
            sb.Append(name);
            sb.AppendLine();
            sb.AppendWithIndent(4, "{");
            sb.AppendLine();
        }

        public static void UsingHeader(StringBuilder sb, string namespaceValue, params string[] usings)
        {
            sb.AppendLine("using System;");
            foreach (var value in usings)
            {
                sb.AppendFormat("using {0};", value);
                sb.AppendLine();
            }

            sb.AppendLine();
            sb.Append("namespace ");
            sb.Append(namespaceValue);
            sb.AppendLine();
            sb.AppendLine("{");
        }

        public static void UsingFooter(StringBuilder sb)
        {
            sb.Append("}");
        }

        public static string GetDataType(string responseType)
        {
            if (responseType.StartsWith("list("))
            {
                return GetCSharpType(responseType.Substring(5, responseType.Length - 6)) + "[]";
            }

            if (responseType.StartsWith("set("))
            {
                return GetCSharpType(responseType.Substring(4, responseType.Length - 5)) + "[]";
            }

            return GetCSharpType(responseType);
        }

        private static string GetCSharpType(string responseType)
        {
            switch (responseType)
            {
                case "i64":
                    return "long";
                case "i32":
                    return "int";
                case "dateTime":
                    return "DateTime";
                default:
                    return responseType;
            }
        }
    }
}