package com.dai.party.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.dai.party.pojo.Article;
import com.dai.party.pojo.Result;
import com.dai.party.service.ArticleService;
import com.dai.party.service.CategoryService;
import com.dai.party.tool.verification.ValidateUtil;
import com.fasterxml.jackson.annotation.JsonInclude;
import io.swagger.annotations.*;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.util.HtmlUtils;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.validation.Valid;
import javax.validation.constraints.*;
import java.io.IOException;

/**
 * @program: PartyAffairs
 * @description: 后台文章管理
 * @author: Dai Yuanchuan
 * @create: 2019-01-15 13:39
 **/
@RestController
@Slf4j
@Api(value = "后台文章管理", tags = {"后台文章管理"})
@EnableSwagger2
@RequestMapping(value = "/article", method = {RequestMethod.POST})
public class ArticleManage {

    /**
     * 小程序文章信息注入
     */
    @Autowired
    private ArticleService articleService;

    /**
     * 小程序分类服务注入
     */
    @Autowired
    private CategoryService categoryService;

    @ApiOperation(value = "新增文章信息", notes = "参数:文章信息")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "id", value = "此项填0", required = true, dataType = "String", paramType = "query"),
            @ApiImplicitParam(name = "type", value = "此项填0:党建的类别(1:主体活动 2:党务知识)", required = true, dataType = "String", paramType = "query"),
            @ApiImplicitParam(name = "categoryID", value = "文章所属分类ID", required = true, dataType = "String", paramType = "query"),
            @ApiImplicitParam(name = "mark", value = "小程序标识(0:党务 1:党建)", required = true, dataType = "String", paramType = "query")
    })
    @RequestMapping(value = "/increase", produces = "application/json;charset=UTF-8")
    public Result increase(@Valid VerificationArticle verificationArticle, BindingResult bindingResult, String mark, String type,
                           String categoryID, HttpServletRequest request, HttpServletResponse response) throws IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=utf-8");
        if (bindingResult.hasErrors()) {
            return Result.fail("4170", bindingResult.getFieldError().getDefaultMessage());
        }

        boolean isMark = !ValidateUtil.isNumeric(mark) || (!mark.equals(Result.SUCCESS) && !mark.equals(Result.FAIL));

        if (isMark) {
            return Result.fail("错误的标识");
        }

        // 构建轮播图实体
        Article category = Article.builder()
                .author(verificationArticle.getAuthor())
                .commentNum(Integer.valueOf(verificationArticle.getCommentNum()))
                .content(HtmlUtils.htmlEscape(ValidateUtil.filterEmoji(verificationArticle.getContent())))
                .cover(verificationArticle.getCover())
                .isShowIcon(Integer.valueOf(verificationArticle.getIsShowIcon()))
                .createTime(System.currentTimeMillis())
                .isShow(Integer.valueOf(verificationArticle.getIsShow()))
                .like(Long.valueOf(verificationArticle.getLike()))
                .reading(Long.valueOf(verificationArticle.getReading()))
                .articleAttribute(Integer.valueOf(verificationArticle.getArticleAttribute()))
                .link(verificationArticle.getLink())
                .title(ValidateUtil.filterEmoji(verificationArticle.getTitle()))
                .categoryID(Integer.valueOf(categoryID))
                .miniProgramMark(Integer.valueOf(mark))
                .type(Integer.valueOf(type))
                .build();

        return articleService.increase(category) ? Result.ok() : Result.fail("");
    }

    @ApiOperation(value = "获取文章信息列表", notes = "参数:根据mark、文章类型、页码")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "mark", value = "小程序标识", required = true, dataType = "String", paramType = "query"),
            @ApiImplicitParam(name = "type", value = "党建的类别(0:不限制 1:主题活动 2:党务知识)", required = true, dataType = "String", paramType = "query"),
            @ApiImplicitParam(name = "page", value = "页码", required = true, dataType = "String", paramType = "query"),
            @ApiImplicitParam(name = "pageSize", value = "每页大小", required = true, dataType = "String", paramType = "query")
    })
    @RequestMapping(value = "/getArticleList", produces = "application/json;charset=UTF-8")
    public Result getArticleList(String mark, String type, String page, String pageSize,
                                 HttpServletRequest request, HttpServletResponse response) throws IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=utf-8");

        boolean isMark = !ValidateUtil.isNumeric(mark) || (!(Result.SUCCESS).equals(mark) && !(Result.FAIL).equals(mark));

        if (isMark) {
            return Result.fail("错误的标识");
        }
        if (StringUtils.isBlank(type) || !ValidateUtil.isNumeric(type)) {
            return Result.fail("错误的状态");
        }
        if (StringUtils.isBlank(page) || !ValidateUtil.isNumeric(page)) {
            return Result.fail("错误的页码");
        }
        if (StringUtils.isBlank(pageSize) || !ValidateUtil.isNumeric(pageSize)) {
            return Result.fail("错误的页码大小");
        }

        // 文章列表
        JSONArray lookupAccordingToPage = Article.fromPojo(articleService.lookupAccordingToPage(Integer.valueOf(mark),
                Integer.valueOf(type),
                Integer.valueOf(page),
                Integer.valueOf(pageSize)));
        // 总数
        Integer total = articleService.total(" where `mini_program_mark` = "+mark+" and `type` = "+type+" ");
        return Result.ok(JSON.parseObject("{\"article\":" + lookupAccordingToPage + ",\"total\":" + total + "}"));
    }

    @ApiOperation(value = "获取文章详细信息", notes = "参数:文章ID")
    @ApiImplicitParam(name = "id", value = "文章ID", required = true, dataType = "String", paramType = "query")
    @RequestMapping(value = "/getArticleInfo", produces = "application/json;charset=UTF-8")
    public Result getArticleInfo(String id, HttpServletRequest request, HttpServletResponse response) throws IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=utf-8");

        if (!ValidateUtil.isNumeric(id)) {
            return Result.fail("错误的文章ID");
        }
        Article article = articleService.lookupToID(Integer.valueOf(id));
        if (article == null) {
            return Result.fail("轮播信息不存在");
        }
        JSONObject lookupToID = Article.fromPojo(article);
        return Result.ok(lookupToID);
    }

    @ApiOperation(value = "根据标题搜索", notes = "参数:keyword、页码")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "keyword", value = "关键字", required = true, dataType = "String", paramType = "query"),
            @ApiImplicitParam(name = "page", value = "页码", required = true, dataType = "String", paramType = "query"),
            @ApiImplicitParam(name = "pageSize", value = "每页大小", required = true, dataType = "String", paramType = "query")
    })
    @RequestMapping(value = "/search", produces = "application/json;charset=UTF-8")
    public Result Search(String keyword, String page, String pageSize, HttpServletRequest request, HttpServletResponse response) throws IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=utf-8");
        if (StringUtils.isBlank(page) || !ValidateUtil.isNumeric(page)) {
            return Result.fail("错误的页码");
        }
        if (StringUtils.isBlank(pageSize) || !ValidateUtil.isNumeric(pageSize)) {
            return Result.fail("错误的页码大小");
        }
        if (StringUtils.isBlank(keyword)) {
            return Result.fail("关键字不能为空");
        }
        JSONArray search = Article.fromPojo(articleService
                .searchBackstage(keyword, Integer.valueOf(page), Integer.valueOf(pageSize)));
        // 总数
        Integer total = articleService.total(" where LOCATE(" + keyword + ", `title`)>0 ");
        return Result.ok(JSON.parseObject("{\"article\":" + search + ",\"total\":" + total + "}"));
    }

    @ApiOperation(value = "修改文章信息", notes = "参数:文章信息")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "mark", value = "小程序标识", required = true, dataType = "String", paramType = "query"),
            @ApiImplicitParam(name = "categoryID", value = "分类ID", required = true, dataType = "String", paramType = "query")
    })
    @RequestMapping(value = "/setArticleInfo", produces = "application/json;charset=UTF-8")
    public Result setArticleInfo(@Valid VerificationArticle verificationArticle, BindingResult bindingResult,String mark,String categoryID, HttpServletRequest request, HttpServletResponse response) throws IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=utf-8");
        if (bindingResult.hasErrors()) {
            return Result.fail("4170", bindingResult.getFieldError().getDefaultMessage());
        }

        if(!ValidateUtil.isNumeric(categoryID)){
            return Result.fail("错误的分类");
        }

        if (articleService.lookupToID(Integer.valueOf(verificationArticle.getId())) == null) {
            return Result.fail("文章信息不存在");
        }

        if (categoryService.lookupToID(Integer.valueOf(categoryID)) == null) {
            return Result.fail("分类信息不存在");
        }

        boolean isMark = !ValidateUtil.isNumeric(mark) || (!(Result.SUCCESS).equals(mark) && !(Result.FAIL).equals(mark));

        if (isMark) {
            return Result.fail("错误的标识");
        }

        // 构建分类实体
        Article article = Article.builder()
                .id(Integer.valueOf(verificationArticle.getId()))
                .author(verificationArticle.getAuthor())
                .commentNum(Integer.valueOf(verificationArticle.getCommentNum()))
                .categoryID(Integer.valueOf(categoryID))
                .content(verificationArticle.getContent())
                .cover(verificationArticle.getCover())
                .isShowIcon(Integer.valueOf(verificationArticle.getIsShowIcon()))
                .isShow(Integer.valueOf(verificationArticle.getIsShow()))
                .like(Long.valueOf(verificationArticle.getLike()))
                .reading(Long.valueOf(verificationArticle.getReading()))
                .articleAttribute(Integer.valueOf(verificationArticle.getArticleAttribute()))
                .link(verificationArticle.getLink())
                .title(ValidateUtil.filterEmoji(verificationArticle.getTitle()))
                .miniProgramMark(Integer.valueOf(mark))
                .build();

        // 修改
        articleService.modify(article);
        return Result.ok("修改成功");
    }

    @ApiOperation(value = "删除文章信息", notes = "参数:文章ID")
    @ApiImplicitParam(name = "id", value = "文章ID", required = true, dataType = "String", paramType = "query")
    @RequestMapping(value = "/delArticle", produces = "application/json;charset=UTF-8")
    public Result delArticle(String id, HttpServletRequest request, HttpServletResponse response) throws IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=utf-8");

        if (!ValidateUtil.isNumeric(id)) {
            return Result.fail("文章ID必须为数字");
        }

        Article article = articleService.lookupToID(Integer.valueOf(id));
        if (article == null) {
            return Result.fail("轮播信息不存在");
        }
        // 刪除数据
        return articleService.delete(article.getId()) ? Result.ok() : Result.fail("删除失败");
    }
}

@NoArgsConstructor
@AllArgsConstructor
@Builder
@Data
@ApiModel(value = "文章信息校验")
@JsonInclude(JsonInclude.Include.NON_NULL)
class VerificationArticle {

    @NotBlank(message = "文章ID不能为空")
    @Pattern(regexp = "[0-9]*", message = "文章ID必须为数字")
    @ApiModelProperty(value = "文章ID")
    private String id;

    @Size(max = 200, message = "作者名称过长")
    @ApiModelProperty(value = "文章作者")
    private String author;

    @Size(max = 200, message = "评论人数过长")
    @NotBlank(message = "评论人数不能为空")
    @ApiModelProperty(value = "文章评论人数")
    private String commentNum;

    @NotBlank(message = "文章内容不能为空")
    @ApiModelProperty(value = "文章内容")
    private String content;

    @Size(max = 250, message = "封面图链接过长")
    @Pattern(regexp = "^(http|https|ftp)://[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]", message = "缩略图格式错误")
    @ApiModelProperty(value = "文章封面缩略图链接")
    private String cover;

    @Pattern(regexp = "[0-9]*", message = "错误的标识")
    @Max(value = 1, message = "错误的标识")
    @Min(value = 0, message = "错误的标识")
    @NotBlank(message = "isShowIcon必填")
    @ApiModelProperty(value = "是否显示缩略图")
    private String isShowIcon;

    @Pattern(regexp = "[0-9]*", message = "错误的标识")
    @Max(value = 1, message = "错误的标识")
    @Min(value = 0, message = "错误的标识")
    @NotBlank(message = "isShow必填")
    @ApiModelProperty(value = "是否显示")
    private String isShow;

    @Pattern(regexp = "[0-9]*", message = "点赞数必须为数字")
    @NotBlank(message = "点赞数必填")
    @ApiModelProperty(value = "点赞数")
    private String like;

    @Pattern(regexp = "[0-9]*", message = "阅读数必须为数字")
    @NotBlank(message = "阅读数必填")
    @ApiModelProperty(value = "文章阅读数")
    private String reading;

    @Pattern(regexp = "[0-9]*", message = "错误的标识")
    @Max(value = 1, message = "错误的标识")
    @Min(value = 0, message = "错误的标识")
    @NotBlank(message = "外链属性必填")
    @ApiModelProperty(value = "文章外链属性(0:图文、1:视频)")
    private String articleAttribute;

    @Size(max = 250, message = "URL过长")
    @Pattern(regexp = "^(http|https|ftp)://[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]", message = "外链格式错误")
    @ApiModelProperty(value = "文章外链")
    private String link;

    @NotBlank(message = "标题不能为空")
    @Size(max = 200, message = "标题过长")
    @ApiModelProperty(value = "文章标题")
    private String title;
}