mealprep/backend/src/main/java/com/recipeapp/auth/AuthController.java

package com.recipeapp.auth;

import com.recipeapp.auth.dto.*;
import com.recipeapp.common.ApiResponse;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;
import jakarta.validation.Valid;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.*;

import java.security.Principal;

@RestController
@RequestMapping("/v1/auth")
public class AuthController {

    private final AuthService authService;

    public AuthController(AuthService authService) {
        this.authService = authService;
    }

    @PostMapping("/signup")
    public ResponseEntity<ApiResponse<UserResponse>> signup(
            @Valid @RequestBody SignupRequest request,
            HttpServletRequest httpRequest) {
        UserResponse user = authService.signup(request);
        authService.authenticateInSession(user.email(), "user", httpRequest);
        return ResponseEntity.status(HttpStatus.CREATED).body(ApiResponse.success(user));
    }

    @PostMapping("/login")
    public ResponseEntity<ApiResponse<UserResponse>> login(
            @Valid @RequestBody LoginRequest request,
            HttpServletRequest httpRequest) {
        UserResponse user = authService.login(request);
        authService.authenticateInSession(user.email(), user.systemRole() != null ? user.systemRole() : "user", httpRequest);
        return ResponseEntity.ok(ApiResponse.success(user));
    }

    @PostMapping("/logout")
    public ResponseEntity<Void> logout(HttpServletRequest httpRequest) {
        HttpSession session = httpRequest.getSession(false);
        if (session != null) {
            session.invalidate();
        }
        SecurityContextHolder.clearContext();
        return ResponseEntity.noContent().build();
    }

    @GetMapping("/me")
    public ResponseEntity<ApiResponse<UserResponse>> me(Principal principal) {
        UserResponse user = authService.getCurrentUser(principal.getName());
        return ResponseEntity.ok(ApiResponse.success(user));
    }

    @PatchMapping("/me")
    public ResponseEntity<ApiResponse<UserResponse>> updateProfile(
            Principal principal,
            @Valid @RequestBody UpdateProfileRequest request) {
        UserResponse user = authService.updateProfile(principal.getName(), request);
        return ResponseEntity.ok(ApiResponse.success(user));
    }
}