bilhej/backend/src/main/java/se/bilhalsning/controller/PaymentController.java

package se.bilhalsning.controller;

import java.util.Map;
import java.util.UUID;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.ResponseEntity;
import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.security.core.userdetails.UserDetails;
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.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import se.bilhalsning.dto.OrderResponse;
import se.bilhalsning.entity.Order;
import se.bilhalsning.entity.User;
import se.bilhalsning.exception.InvalidCredentialsException;
import se.bilhalsning.service.OrderService;
import se.bilhalsning.service.UserService;

@RestController
@RequestMapping("/api/payment")
public class PaymentController {

    private final OrderService orderService;
    private final UserService userService;
    private final String swishNumber;
    private final int letterPrice;

    public PaymentController(
            OrderService orderService,
            UserService userService,
            @Value("${app.payment.swish-number}") String swishNumber,
            @Value("${app.payment.letter-price}") int letterPrice) {
        this.orderService = orderService;
        this.userService = userService;
        this.swishNumber = swishNumber;
        this.letterPrice = letterPrice;
    }

    @PostMapping("/{orderId}/pay")
    public ResponseEntity<OrderResponse> pay(@PathVariable UUID orderId,
            @AuthenticationPrincipal UserDetails userDetails) {
        User user = userService.findByEmail(userDetails.getUsername())
                .orElseThrow(InvalidCredentialsException::new);

        Order order = orderService.confirmPayment(orderId, user.getId());
        return ResponseEntity.ok(toResponse(order));
    }

    @GetMapping("/swish-info")
    public ResponseEntity<Map<String, Object>> swishInfo() {
        return ResponseEntity.ok(Map.of("number", swishNumber, "amount", letterPrice));
    }

    private OrderResponse toResponse(Order order) {
        return new OrderResponse(
                order.getId(),
                order.getPlate(),
                order.getLetterText(),
                order.getStatus().getValue(),
                order.getTrackingId(),
                order.getAmountPaid(),
                order.getCreatedAt()
        );
    }
}