using Newtonsoft.Json;
using System;
using System.Web;

/// <summary>
/// Handler 的摘要说明
/// </summary>
public abstract class Handler
{
    protected Handler(HttpContext context)
    {
        this.Request = context.Request;
        this.Response = context.Response;
        this.Context = context;
        this.Server = context.Server;
    }

    public abstract void Process();

    protected void WriteJson(object response)
    {
        var jsonpCallback = Request["callback"];
        var json = JsonConvert.SerializeObject(response);
        if (String.IsNullOrWhiteSpace(jsonpCallback))
        {
            Response.AddHeader("Content-Type", "text/plain");
            Response.Write(json);
        }
        else
        {
            Response.AddHeader("Content-Type", "application/javascript");
            Response.Write($"{jsonpCallback}({json});");
        }
        Response.End();
    }

    public HttpRequest Request { get; private set; }
    public HttpResponse Response { get; private set; }
    public HttpContext Context { get; private set; }
    public HttpServerUtility Server { get; private set; }
}