package com.example.demo.controller;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;
import java.util.UUID;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import com.example.demo.mapper.UserProfileMapper;
import com.example.demo.model.UserProfile;

@RestController
public class UserProfileController {
	
	private UserProfileMapper mapper;
	
	public UserProfileController(UserProfileMapper mapper) {
		this.mapper = mapper;
	}
	
	@GetMapping("/user/{id}")
	public UserProfile getUserProfile(@PathVariable String id) {
		return mapper.getUserProfile(id);
	}
	
	@GetMapping("/user/all")
	public List<UserProfile> getUserProfileList() {
		return mapper.getUserProfileList();
	}
	
	@Value("${server.url.img}")
	private String SERVER_URL_IMG;
	
	@Value("server.servlet.context-path")
	private String CONTEXT_PATH;
	
	@PutMapping("/user/{id}")
//	public HashMap<String, Object> putUserProfile(@PathVariable String id, @RequestParam String name,
//	public void putUserProfile(@PathVariable String id, @RequestParam String name, 
	public  List<UserProfile> putUserProfile(@PathVariable String id, @RequestParam String name, 
			@RequestParam String phone, @RequestParam String address,
			@RequestParam MultipartFile upfile) {		
		
		String uuid = UUID.randomUUID().toString();
		String fileName = upfile.getOriginalFilename();
        String fileExtName  = fileName.substring(fileName.lastIndexOf("."), fileName.length());
        String contentType = upfile.getContentType();
        long fileLength = upfile.getSize();

        System.out.println("fileLength : "  + fileLength);
        System.out.println("fileName : " + fileName);
        System.out.println("fileExtName : " + fileExtName);
        System.out.println("contentType : " + contentType);
        
        byte[] data = null;
		try {
			data = upfile.getBytes();
		} catch (IOException e) {			
			e.printStackTrace();
		}

		String baseFolder = SERVER_URL_IMG;
		String baseMiddleFolder = "/img";
		String saveFolder = baseFolder + baseMiddleFolder; 
		String dbSavePath = CONTEXT_PATH + baseMiddleFolder + "/" + uuid + fileExtName;
		String saveFullFilePath = saveFolder + "/" + uuid + fileExtName;
		
		// 입력된 내용 파일로 쓰기
		File folder = new File(saveFolder);		
		// 해당 디렉토리가 없을경우 디렉토리를 생성합니다.
		if (!folder.exists()) {
			try {
				folder.mkdir(); // 폴더 생성합니다.
				System.out.println(saveFolder + " folder create OK");
			} catch (Exception e) {
				e.getStackTrace();
			}
		} else {
			System.out.println("A folder has already been created");
		}
		
		File file = new File(saveFullFilePath);
		System.out.println("saved file : " + saveFullFilePath);
		FileOutputStream fos = null;

		try {
			fos = new FileOutputStream(file);
			fos.write(data);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (fos != null)
					fos.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		
		mapper.insertUserProfile(id, name, phone, address, dbSavePath);
		
		return mapper.getUserProfileList(); //스프링이 자동으로 JSON타입으로 반환해서 전달한다.
		
//		HashMap<String,Object> map = new HashMap<String,Object>();
//		map.put("age", 24);
//		map.put("name", "mangdo");
//		  
//		  return map; //스프링이 자동으로 JSON타입으로 반환해서 전달한다.
	}
	
	@PostMapping("/user/{id}")
	public void postUserProfile(@PathVariable String id, @RequestParam String name, 
			@RequestParam String phone, @RequestParam String address, @RequestParam String filepath) {
		mapper.updateUserProfile(id, name, phone, address, filepath);
	}
	
	@DeleteMapping("/user/{id}")
	public void deleteUserProfile(@PathVariable String id) {
		mapper.deleteUserProfile(id);
	}
}