package ltd.qubit.survey.controller;

import java.util.List;
import lombok.RequiredArgsConstructor;
import ltd.qubit.survey.model.Question;
import ltd.qubit.survey.model.Option;
import ltd.qubit.survey.service.QuestionService;
import ltd.qubit.survey.service.OptionService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * 问题控制器
 */
@RestController
@RequiredArgsConstructor
public class QuestionController {
    private final QuestionService questionService;
    private final OptionService optionService;

    /**
     * 获取用户的问题列表
     *
     * @param userId 用户ID
     * @return 问题列表
     */
    @GetMapping("/question/user/{userId}")
    public List<Question> getUserQuestions(@PathVariable Long userId) {
        return questionService.getUserQuestions(userId);
    }

    /**
     * 获取问题的选项列表
     *
     * @param questionId 问题ID
     * @return 选项列表
     */
    @GetMapping("/question/{questionId}/option")
    public List<Option> getQuestionOptions(@PathVariable Long questionId) {
        return optionService.findByQuestionId(questionId);
    }

    /**
     * 获取下一个问题
     *
     * @param userId 用户ID
     * @param currentQuestionNumber 当前问题序号
     * @param selectedOptions 选中的选项列表
     * @return 下一个问题
     */
    @GetMapping("/question/next")
    public Question getNextQuestion(
            @PathVariable Long userId,
            @PathVariable Integer currentQuestionNumber,
            @PathVariable List<String> selectedOptions) {
        return questionService.getNextQuestion(userId, currentQuestionNumber, selectedOptions)
                .orElseThrow(() -> new IllegalArgumentException("没有更多问题了"));
    }
}