using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using LitJson;

public class URLRequestData
{

	private bool encrypt;
	private List<KeyValuePair<string, object>> data;
	private KeyValuePair<string, byte[]> file;

	public URLRequestData(bool encrypt=false)
	{
		this.encrypt = encrypt;
		data = new List<KeyValuePair<string, object>>();
		file = new KeyValuePair<string, byte[]> ();
	}

	public void Add(string key, object value)
	{
		data.Add(new KeyValuePair<string, object>(key, value));
	}

	public void AddFile(string key, byte[] file)
	{
		this.file = new KeyValuePair<string, byte[]> (key, file);
	}

	public bool HasData()
	{
		return data.Count > 0 || !StringUtil.Empty(file.Key);
	}

	public string GetDataString()
	{
		string info = "";
		string result = "";

		if(encrypt)
		{
			JsonData json = JsonMapper.ToObject("{}");
			for(int i=0; i<data.Count; i++)
			{
				KeyValuePair<string, object> kvp = data[i];
				info += "["+kvp.Key+" : "+kvp.Value+"] ";
				json[kvp.Key] = kvp.Value.ToString();
			}
			result = "v="+DecryptionUtil.Encryption(json.ToJson());
		}
		else
		{
			string[] strArr = new string[data.Count]; 
			for(int i=0; i<data.Count; i++)
			{
				KeyValuePair<string, object> kvp = data[i];
				info += "["+kvp.Key+" : "+kvp.Value+"] ";
				strArr[i] = kvp.Key+"="+kvp.Value;
			}
			result = string.Join("&", strArr);
		}

		Debuger.Log("Url data : "+info);
		return result;
	}

	public WWWForm GetDataForm()
	{
		string info = "";
		WWWForm form = new WWWForm();
		if(encrypt)
		{
			JsonData json = JsonMapper.ToObject("{}");
			for(int i=0; i<data.Count; i++)
			{
				KeyValuePair<string, object> kvp = data[i];
				info += "["+kvp.Key+" : "+kvp.Value+"] ";
				json[kvp.Key] = kvp.Value.ToString();
			}
			form.AddField("v", DecryptionUtil.Encryption(json.ToJson()));
		}
		else
		{
			for(int i=0; i<data.Count; i++)
			{
				KeyValuePair<string, object> kvp = data[i];
				info += "["+kvp.Key+" : "+kvp.Value+"] ";
				form.AddField(kvp.Key, kvp.Value.ToString());
			}
		}

		if(!StringUtil.Empty(file.Key))
		{
			form.AddBinaryData (file.Key, file.Value);
			info += "[" + file.Key + " : bytes " + file.Value.Length + "]";
		}

		Debuger.Log("Url data : "+info);
		return form;
	}
}