package com.walkguide.exception;

import com.walkguide.dto.ApiResponse;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;

@ControllerAdvice
public class GlobalExceptionHandler {

    @ExceptionHandler(ResourceNotFoundException.class)
    public ResponseEntity<ApiResponse<Object>> handleNotFound(ResourceNotFoundException ex) {
        return ResponseEntity.status(HttpStatus.NOT_FOUND)
                .body(ApiResponse.error("NOT_FOUND", ex.getMessage()));
    }

    @ExceptionHandler(PairingException.class)
    public ResponseEntity<ApiResponse<Object>> handlePairing(PairingException ex) {
        return ResponseEntity.status(HttpStatus.BAD_REQUEST)
                .body(ApiResponse.error("PAIRING_ERROR", ex.getMessage()));
    }

    @ExceptionHandler(MethodArgumentNotValidException.class)
    public ResponseEntity<ApiResponse<Object>> handleValidation(MethodArgumentNotValidException ex) {
        String msg = ex.getBindingResult().getAllErrors().get(0).getDefaultMessage();
        return ResponseEntity.status(HttpStatus.BAD_REQUEST)
                .body(ApiResponse.error("VALIDATION_ERROR", msg));
    }

    @ExceptionHandler(RuntimeException.class)
    public ResponseEntity<ApiResponse<Object>> handleRuntime(RuntimeException ex) {
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
                .body(ApiResponse.error("INTERNAL_ERROR", ex.getMessage()));
    }

    @ExceptionHandler(Exception.class)
    public ResponseEntity<ApiResponse<Object>> handleGeneric(Exception ex) {
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
                .body(ApiResponse.error("INTERNAL_ERROR", "Terjadi kesalahan internal"));
    }
}