using LJLib.Net.SPI.Com;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace LJProxy.LJLib.Net.SPI.Server
{
    public abstract class LJServerBase
    {
        public delegate IActionResult DHandle(ILJRequest request, object state);
        protected Dictionary<string, DHandle> handlers = new Dictionary<string, DHandle>(StringComparer.OrdinalIgnoreCase);
        protected Dictionary<string, Type> requestTypes = new Dictionary<string, Type>(StringComparer.OrdinalIgnoreCase);

        public IActionResult DoExcute(ILJRequest request, object state)
        {
            if (!handlers.ContainsKey(request.GetApiName()))
            {
                throw new Exception("接口未定义:" + request.GetApiName().ToString());
            }
            var handler = handlers[request.GetApiName()];
            if (handler == null)
            {
                throw new Exception("接口未定义:" + request.GetApiName().ToString());
            }
            return handler(request, state);
        }

        public Type GetRequestType(string apiName)
        {
            if (requestTypes.ContainsKey(apiName))
            {
                return requestTypes[apiName];
            }
            else
            {
                return null;
            }
        }

        public void AddMap(string apiName,Type requestType,DHandle handler)
        {
            requestTypes[apiName] = requestType;
            handlers[apiName] = handler;
        }
    }
}