package ru.oa2.lti.controller;

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.autoconfigure.web.client.RestClientBuilderConfigurer;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestClient;
import ru.oa2.lti.ApplicationService;
import ru.oa2.lti.model.LtiLogin;
import ru.oa2.lti.service.jwt.JwtService;
import ru.oa2.lti.service.jwt.TokenService;
import ru.oa2.lti.service.results.ResultService;

import java.util.UUID;

@Slf4j
@RestController
@RequestMapping("/tool/lti/result")
public class ResultController {

    final ApplicationService service;
    final ResultService resultService;
    final TokenService tokenService;
    final JwtService jwtService;

    public ResultController(ApplicationService applicationService,
                            ResultService resultService,
                            TokenService tokenService,
                            JwtService jwtService) {
        this.service = applicationService;
        this.resultService = resultService;
        this.tokenService = tokenService;
        this.jwtService = jwtService;
    }

    @PostMapping("/docker")
    public ResponseEntity result(@RequestBody String body,
                         HttpServletRequest req) {

        log.info("RESULT: {}", body);

        HttpSession session = req.getSession(false);
        if (session == null) return ResponseEntity.status(401).build();

        var ltiLogin = (LtiLogin) session.getAttribute("lti_login");
        var assessToken = tokenService.exchangeForAccessToken(
                ltiLogin.getClientId());

        String idToken = (String) session.getAttribute("id_token");

        resultService.setResult(
                assessToken,
                jwtService.getTokenPayload(idToken)
        );

        //TODO возвращать json
        return ResponseEntity
                .accepted()
                .body(service.saveResult(body));
    }
}