package edu.jlu.fuliang.action;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Date;
import java.util.List;

import org.apache.struts2.ServletActionContext;


import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.validator.annotations.*;

import edu.jlu.fuliang.Service.SingerManageService;
import edu.jlu.fuliang.domain.Band;
import edu.jlu.fuliang.domain.CompositeSinger;
import edu.jlu.fuliang.domain.Singer;
import edu.jlu.fuliang.domain.SingleSinger;
import edu.jlu.fuliang.domain.Song;
import edu.jlu.fuliang.dto.SingerDto;


public class UploadSongAction extends ActionSupport{
	
	private SingerManageService singerManageService;
	private String songName;
	private File upload;
	private String uploadContentType;
	private String uploadFileName;
	private String savePath;
	//private SingerDto[] singerDtos;
	private List<SingerDto> singerDtos;
	private int type;
	private String bandName;
	
	
	public String execute()throws Exception{
		String fileName = getUploadFileName();
	    FileOutputStream fos = new FileOutputStream(getSavePath() + "/" + fileName);
		FileInputStream fis = new FileInputStream(getUpload());
		byte[] buffer = new byte[1024];
		
		int len = 0;
		while((len = fis.read(buffer)) > 0){
			fos.write(buffer,0,len);
		}
		fis.close();
		fos.close();
		Song song = new Song();
		song.setName(songName);
		song.setLocation(savePath + "/" + fileName);
		
		Singer singer = assambleSinger(singerDtos);
		if(singer != null){
			singer.addSong(song);
			singerManageService.saveSinger(singer);
		}
		
	    return SUCCESS;
	}
	
	private Singer assambleSinger(List<SingerDto> singerDtos) {
	  switch(type){
		case 1:
			SingleSinger singleSinger = new SingleSinger();
			singleSinger.setSex(singerDtos.get(0).getSex());
			singleSinger.setName(singerDtos.get(0).getName());
			singleSinger.setRegion(singerDtos.get(0).getRegion());
			return singleSinger;
		case 2:
			CompositeSinger compositionSinger = new CompositeSinger();
			compositionSinger.setRegion(singerDtos.get(0).getRegion());
			for(int i = 0; i < singerDtos.size(); i++){
				SingleSinger sSinger;
				List<SingleSinger> singleSingers = singerManageService.getSingleSingersByName(singerDtos.get(i).getName());
				if(singleSingers.size() > 0){
					sSinger = singleSingers.get(0);
				}else{
					sSinger = new SingleSinger();
					sSinger.setRegion(singerDtos.get(i).getRegion());
					sSinger.setSex(singerDtos.get(i).getSex());
					sSinger.setName(singerDtos.get(i).getName());
				}
				compositionSinger.addSinger(sSinger);
			}
			return compositionSinger;
		case 3:
			Band band = new Band();
			band.setName(bandName);
			band.setRegion(singerDtos.get(0).getRegion());
			for(int i = 0; i < singerDtos.size(); i++){
				SingleSinger sSinger;
				List<SingleSinger> singleSingers = singerManageService.getSingleSingersByName(singerDtos.get(i).getName());
				if(singleSingers.size() > 0){
					sSinger = singleSingers.get(0);
				}else{
					sSinger = new SingleSinger();
					sSinger.setRegion(singerDtos.get(i).getRegion());
					sSinger.setSex(singerDtos.get(i).getSex());
					sSinger.setName(singerDtos.get(i).getName());
				}
				band.addSinger(sSinger);
			}
			return band;
		}
	   return null;
	}

	
	public File getUpload() {
		return upload;
	}
	
	public void setUpload(File upload) {
		this.upload = upload;
	}
	
	 
	public String getSongName() {
		return songName;
	}
   
	
	public void setSongName(String songName) {
		this.songName = songName;
	}

	public String getUploadContentType() {
		return uploadContentType;
	}
	
	public void setUploadContentType(String uploadContentType) {
		this.uploadContentType = uploadContentType;
	}
	
	public String getUploadFileName() {
		Date date = new Date();
		return  date.getTime() + uploadFileName.substring(uploadFileName.lastIndexOf("."));
	}
	
	
	public void setUploadFileName(String uploadFileName) {
		this.uploadFileName = uploadFileName;
	}
	
	public String getSavePath() {
		return ServletActionContext.getRequest().getRealPath(savePath);
	}
	
	public void setSavePath(String savePath) {
		this.savePath = savePath;
	}
	public int getType() {
		return type;
	}

	public void setType(int type) {
		this.type = type;
	}

	public String getBandName() {
		return bandName;
	}

	public void setBandName(String bandName) {
		this.bandName = bandName;
	}

	public void setSingerDtos(List<SingerDto> singerDtos) {
		this.singerDtos = singerDtos;
	}
    
	public List<SingerDto> getSingerDtos() {
		return singerDtos;
	}

	public void setSingerManageService(SingerManageService singerManageService) {
		this.singerManageService = singerManageService;
	}
}