package com.alttd.forms.contact;
import com.alttd.forms.mail.verification.VerificationResult;
import com.alttd.forms.mail.verification.Verify;
import jakarta.validation.Valid;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.util.concurrent.CompletableFuture;

@RestController
@RequestMapping("/api/contact")
public class ContactController {

    private static final Logger logger = LoggerFactory.getLogger(ContactController.class);

    @PostMapping("/submitContactForm")
    public CompletableFuture<ResponseEntity<String>> submitForm(@Valid @RequestBody ContactFormData formData) {
        logger.debug(formData.toString());

        CompletableFuture<Integer> storeFormForVerificationCode = new StoreFormQuery().storeFormForVerificationCode(formData.email, formData);
        return storeFormForVerificationCode.thenCompose(code -> Verify.verifyEmail(formData.email, code).thenApply(verificationResult -> {
            if (verificationResult == VerificationResult.VERIFICATION_SENT) {
                //TODO if this is ok tell the user they have x min to verify if they fail to do so they have to remake the form
                return ResponseEntity.ok("User Data received and email verification sent.");
            } else {
                return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
                        .body("Failed to send verification email. Reason: " + verificationResult.name());
            }
        })).exceptionally(throwable -> {
            logger.error("Failed to store form", throwable);
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Failed to store your form");
        });
    }
}