package com.cgm.de.swaggerNativeBugDemo.controller

import com.cgm.de.swaggerNativeBugDemo.controller.dto.DifficultClass
import io.swagger.v3.oas.annotations.Operation
import org.springframework.web.bind.annotation.*

@RestController
@RequestMapping("/")
// the below register is a fix for swagger ui for native image. We could not find out the reason,
// but the class will cause a "Type not found" and leave the swagger screen in a half-ready state.
//@RegisterReflectionForBinding(java.lang.invoke.MethodHandles.Lookup::class)
class DifficultController {
    @PostMapping("a")
    @Operation(summary = "reproduce the problem")
    fun someFunction(@RequestBody problems: List<DifficultClass>) : DifficultClass? {
        return if (problems.isEmpty())
            null
        else
            problems.first()
    }

}