package com.rongyichuang.news.resolver;

import com.rongyichuang.news.dto.NewsInput;
import com.rongyichuang.news.dto.NewsResponse;
import com.rongyichuang.news.service.NewsService;
import com.rongyichuang.common.dto.PageRequest;
import com.rongyichuang.common.dto.PageResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.graphql.data.method.annotation.Argument;
import org.springframework.graphql.data.method.annotation.MutationMapping;
import org.springframework.graphql.data.method.annotation.QueryMapping;
import org.springframework.stereotype.Controller;

@Controller
public class NewsResolver {

    @Autowired
    private NewsService newsService;

    /**
     * 分页查询新闻列表（管理端）
     */
    @QueryMapping
    public PageResponse<NewsResponse> newsList(@Argument int page, @Argument int size, @Argument String title, @Argument Integer state) {
        PageRequest pageRequest = new PageRequest(page, size);
        return newsService.findNews(pageRequest, title, state);
    }

    /**
     * 获取新闻详情（管理端）
     */
    @QueryMapping
    public NewsResponse news(@Argument Long id) {
        return newsService.findById(id);
    }

    /**
     * 获取已发布的新闻详情（前端展示）
     */
    @QueryMapping
    public NewsResponse publishedNews(@Argument Long id) {
        return newsService.findPublishedNewsById(id);
    }

    /**
     * 获取已发布的新闻列表（前端展示）
     */
    @QueryMapping
    public PageResponse<NewsResponse> publishedNewsList(@Argument int page, @Argument int size) {
        PageRequest pageRequest = new PageRequest(page, size);
        return newsService.findPublishedNews(pageRequest);
    }

    /**
     * 保存新闻
     */
    @MutationMapping
    public NewsResponse saveNews(@Argument NewsInput input) {
        return newsService.saveNews(input);
    }

    /**
     * 删除新闻
     */
    @MutationMapping
    public Boolean deleteNews(@Argument Long id) {
        return newsService.deleteNews(id);
    }

    /**
     * 更新新闻状态
     */
    @MutationMapping
    public Boolean updateNewsState(@Argument Long id, @Argument Integer state) {
        return newsService.updateNewsState(id, state);
    }
}