package com.air.controller;

import java.io.File;
import java.io.FileFilter;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import com.air.config.AbsController;
import com.jfinal.kit.Kv;
import com.teplot.common.Response;
import com.teplot.common.Utils;

/**
 * Depiction:文件上传控制器
 * <p>
 * Modify:
 * <p>
 * Author: Kevin Lynn
 * <p>
 * Create Date：2016年6月3日 下午11:02:05
 * <p>
 * 
 * @version 1.0
 * @since 1.0
 */
public class UploadController extends AbsController {

	// 仅仅后台umeditor上传图片使用
	public void uploadImg() {
		getResponse().setContentType("text/html;charset=utf-8");
		String destDir = Utils.getImgDir();
		String fileName = Utils.productNo();
		Response ret = upload("upfile", 2 * 1024 * 1024, "图片大小不能超过2MB，仅支持jpg和png格式", destDir, fileName);
		renderHtml(ret.toJson());
	}

	// 仅仅后台kindeditor上传图片使用
	public void uploadImage() {
		getResponse().setContentType("text/html;charset=utf-8");
		String destDir = Utils.getImgDir();
		String fileName = Utils.productNo();
		Response ret = upload("imgFile", 2 * 1024 * 1024, "图片大小不能超过2MB，仅支持jpg和png格式", destDir, fileName);
		renderHtml(ret.toJson());
	}

	// 返回图片目录的所有图片
	public void imageManager() {
		String dirName = Utils.getImgDir();
		String rootUrl = Utils.host() + "/upload/img/";
		String[] fileTypes = new String[] { "gif", "jpg", "jpeg", "png", "bmp" };
		File currentPathFile = new File(dirName);

		List<Kv> fileList = new ArrayList<Kv>();
		File[] files = currentPathFile.listFiles(new ImageFilter());
		if (files != null) {
			for (File file : files) {
				Kv hash = new Kv();
				String fileName = file.getName();
				String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
				hash.set("is_dir", false);
				hash.set("has_file", false);
				hash.set("filesize", file.length());
				hash.set("is_photo", Arrays.<String>asList(fileTypes).contains(fileExt));
				hash.set("filetype", fileExt);

				hash.set("filename", fileName);
				hash.set("datetime", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(file.lastModified()));

				fileList.add(hash);
			}
		}

		Kv result = new Kv();
		result.set("moveup_dir_path", dirName);
		result.set("current_dir_path", dirName);
		result.set("current_url", rootUrl);
		result.set("total_count", fileList.size());
		result.set("file_list", fileList);

		getResponse().setContentType("application/json; charset=UTF-8");
		renderHtml(result.toJson());
	}

	class ImageFilter implements FileFilter {
		String[] fileTypes = new String[] { "gif", "jpg", "jpeg", "png", "bmp" };
		
		public boolean accept(File file) {
			String fileExt = file.getName().substring(file.getName().lastIndexOf(".") + 1).toLowerCase();
			return Arrays.<String>asList(fileTypes).contains(fileExt);
		}

	}
}