FdroidRepository/src/main/java/cn/seecoder/fdroidrepository/Controller/UserController.java

package cn.seecoder.fdroidrepository.Controller;



import cn.seecoder.fdroidrepository.DataObject.User;
import cn.seecoder.fdroidrepository.Service.ServiceImpl.USER_STATUS;
import cn.seecoder.fdroidrepository.Service.UserService;
import cn.seecoder.fdroidrepository.utils.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;


@RestController
@RequestMapping("/api/users")
public class UserController {
    @Autowired
    private UserService userService;

    @PostMapping("/register")
    public ResponseEntity<String> register(@RequestBody User user) {
        if (!userService.isUsernameUnique(user.getUsername())) {
            return new ResponseEntity<>("Username is already taken", HttpStatus.BAD_REQUEST);
        }

        userService.save(user);
        return new ResponseEntity<>("User registered successfully", HttpStatus.OK);
    }

    @GetMapping("/activation/{userId}/{code}")
    private Result<?> activate(@PathVariable int userId,@PathVariable String code){
        USER_STATUS result=userService.activate(userId,code);
        if(result==USER_STATUS.START_ACTIVATE){
            return new Result<>("200","activate success");
        }else if(result==USER_STATUS.REPEAT_ACTIVATE){
            return new Result<>("409","repeat activation");
        }
        return new Result<>("400","activate failed!");
    }

    @PostMapping("/login")
    public ResponseEntity<String> login(@RequestBody User user) {
        User existingUser = userService.findByUsername(user.getUsername());

        if (existingUser == null || !existingUser.getPassword().equals(user.getPassword())) {
            return new ResponseEntity<>("Invalid username or password", HttpStatus.UNAUTHORIZED);
        }

        return new ResponseEntity<>("Login successful", HttpStatus.OK);
    }
}