<template>
  <basic-container>
    <el-row :span="24">
      <el-col :md="4">
        <div class="tree-position">
          <avue-tree
            :option="treeOption"
            :data="treeData"
            @node-click="nodeClick"/>
        </div>
      </el-col>
      <el-col :md="20">
        <div class="public-account-management clearfix" v-loading="saveLoading">
          <!--左边配置菜单-->
          <div class="left">
            <div class="weixin-hd">
              <div class="weixin-title">
                {{menuName}}
              </div>
            </div>
            <div class="weixin-menu menu_main clearfix">
              <div class="menu_bottom" v-for="(item, i) of menu.button" :key="i">
                <!-- 一级菜单 -->
                <div @click="menuFun(i,item)" class="menu_item el-icon-s-fold" :class="{'active': isActive == i}">
                  {{item.name}}
                </div>
                <!--以下为二级菜单-->
                <div class="submenu" v-if="isSubMenuFlag == i">
                  <div class="subtitle menu_bottom" v-if="item.sub_button" v-for="(subItem, k) in item.sub_button"
                       :key="k">
                    <div class="menu_subItem" :class="{'active': isSubMenuActive == i + '' +k}"
                         @click="subMenuFun(subItem, i, k)">{{subItem.name}}
                    </div>
                  </div>
                  <!--  二级菜单加号， 当长度 小于  5 才显示二级菜单的加号  -->
                  <div class="menu_bottom menu_addicon" v-if="!item.sub_button || item.sub_button.length < 5"
                       @click="addSubMenu(i,item)"><i class="el-icon-plus"></i></div>
                </div>
              </div>
              <!-- 一级菜单加号 -->
              <div class="menu_bottom menu_addicon" v-if="menuKeyLength < 3" @click="addMenu"><i
                class="el-icon-plus"></i></div>
            </div>
            <div class="save_div">
              <el-button v-if="permissions.mp_wxmenu_add" class="save_btn" type="success" size="small" @click="saveMenu">保存</el-button>
              <el-button v-if="permissions.mp_wxmenu_push" class="save_btn" type="info" size="small" @click="publishMenu">发布</el-button>
            </div>
          </div>
          <!--右边配置-->
          <div v-if="showRightFlag" class="right">
            <div class="configure_page">
              <div>
                <span>菜单标识：</span>
                <el-input class="input_width" v-model="tempObj.key" placeholder="请输入菜单KEY" :maxlength=nameMaxlength
                          clearable></el-input>
              </div>
              <div class="menu_content">
                <span>菜单名称：</span>
                <el-input class="input_width" v-model="tempObj.name" placeholder="请输入菜单名称" :maxlength=nameMaxlength
                          clearable></el-input>
              </div>
              <div v-if="showConfigurContent">
                <div class="menu_content">
                  <span>菜单内容：</span>
                  <el-select v-model="tempObj.type" clearable placeholder="请选择" class="menu_option">
                    <el-option v-for="item in menuOptions" :label="item.label" :value="item.value"
                               :key="item.value"></el-option>
                  </el-select>
                </div>
                <div class="configur_content" v-if="tempObj.type == 'view'">
                  <span>跳转链接：</span>
                  <el-input class="input_width" v-model="tempObj.url" placeholder="请输入链接" clearable></el-input>
                </div>
                <div class="configur_content" v-if="tempObj.type == 'miniprogram'">
                  <div class="applet">
                    <span>小程序的appid：</span>
                    <el-input class="input_width" v-model="tempObj.appid" placeholder="请输入小程序的appid"
                              clearable></el-input>
                  </div>
                  <div class="applet">
                    <span>小程序的页面路径：</span>
                    <el-input class="input_width" v-model="tempObj.pagepath" placeholder="请输入小程序的页面路径，如：pages/index"
                              clearable></el-input>
                  </div>
                  <div class="applet">
                    <span>备用网页：</span>
                    <el-input class="input_width" v-model="tempObj.url" placeholder="不支持小程序的老版本客户端将打开本网页"
                              clearable></el-input>
                  </div>
                  <p class="blue">tips:需要和公众号进行关联才可以把小程序绑定带微信菜单上哟！</p>
                </div>
                <div class="configur_content" v-if="tempObj.type == 'view_limited'">
                  <el-row>
                    <div class="select-item" v-if="tempObj && tempObj.content && tempObj.content.articles">
                      <WxNews :objData="tempObj.content.articles"></WxNews>
                      <el-row class="ope-row">
                        <el-button type="danger" icon="el-icon-delete" circle @click="deleteTempObj"></el-button>
                      </el-row>
                    </div>
                    <div v-if="!tempObj.content || !tempObj.content.articles">
                      <el-row>
                        <el-col :span="24" style="text-align: center">
                          <el-button type="success" @click="openMaterial">素材库选择<i
                            class="el-icon-circle-check el-icon--right"></i></el-button>
                        </el-col>
                      </el-row>
                    </div>
                    <el-dialog title="选择图文" :visible.sync="dialogNewsVisible" width="90%">
                      <WxMaterialSelect :objData="{repType:'news',appId: checkAppId}"
                                        @selectMaterial="selectMaterial"></WxMaterialSelect>
                    </el-dialog>
                  </el-row>
                </div>
                <div class="configur_content" v-if="tempObj.type == 'click' || tempObj.type == 'scancode_waitmsg'">
                  <WxReplySelect :objData="tempObj" v-if="hackResetWxReplySelect"></WxReplySelect>
                </div>
              </div>
              <div class="delete_btn">
                <el-button v-if="permissions.mp_wxmenu_del" size="mini" type="danger" icon="el-icon-delete" @click="deleteMenu(tempObj)">删除当前菜单
                </el-button>
              </div>
            </div>
          </div>
          <!--一进页面就显示的默认页面，当点击左边按钮的时候，就不显示了-->
          <div v-if="!showRightFlag" class="right">
            <p>请选择菜单配置</p>
          </div>
        </div>
      </el-col>
    </el-row>
  </basic-container>
</template>

<script>
  import {getObj, publishObj, saveObj} from '@/api/mp/wx-menu'
  import {fetchAccountList} from '@/api/mp/wx-account'
  import WxReplySelect from '@/components/wechat/WxReply.vue'
  import WxNews from '@/components/wechat/WxNews'
  import WxMaterialSelect from '@/components/wechat/WxMaterialSelect'
  import {mapGetters} from 'vuex'

  export default {
    name: 'WxMenu',
    components: {
      WxReplySelect,
      WxNews,
      WxMaterialSelect
    },
    data() {
      return {
        treeOption: {
          nodeKey: 'id',
          addBtn: false,
          menu: false,
          props: {
            labelText: '标题',
            label: 'name',
            value: 'appid',
            children: 'children'
          }
        },
        treeData: [],
        checkAppId: undefined,
        showRightFlag: false,//右边配置显示默认详情还是配置详情
        menu: {
          button: []
        },//横向菜单
        isActive: -1,// 一级菜单点中样式
        isSubMenuActive: -1,// 一级菜单点中样式
        isSubMenuFlag: -1,// 二级菜单显示标志
        tempObj: {},//右边临时变量，作为中间值牵引关系
        tempSelfObj: {
          //一些临时值放在这里进行判断，如果放在tempObj，由于引用关系，menu也会多了多余的参数
        },
        visible2: false,//素材内容  "选择素材"按钮弹框显示隐藏
        tableData: [], //素材内容弹框数据,
        menuName: '',
        showConfigurContent: true,
        nameMaxlength: 0,//名称最大长度
        menuOptions: [{
          value: 'view',
          label: '跳转网页'
        }, {
          value: 'miniprogram',
          label: '跳转小程序'
        }, {
          value: 'click',
          label: '点击回复'
        }, {
          value: 'view_limited',
          label: '跳转图文消息'
        }, {
          value: 'scancode_push',
          label: '扫码直接返回结果'
        }, {
          value: 'scancode_waitmsg',
          label: '扫码回复'
        }, {
          value: 'pic_sysphoto',
          label: '系统拍照发图'
        }, {
          value: 'pic_photo_or_album',
          label: '拍照或者相册'
        }, {
          value: 'pic_weixin',
          label: '微信相册'
        }, {
          value: 'location_select',
          label: '选择地理位置'
        }],
        dialogNewsVisible: false,
        saveLoading: false,
        hackResetWxReplySelect: false
      }
    },
    created() {
      this.getAccountList()
    },
    methods: {
      nodeClick(data) {
        this.checkAppId = data.appid
        this.tempObj.appId = data.appid
        this.getMenuFun()
      },
      getAccountList() {
        fetchAccountList().then(response => {
          this.treeData = response.data.data
          // 默认选中第一个
          if (this.treeData.length > 0) {
            this.nodeClick(this.treeData[0])
          }
        })
      },
      deleteTempObj() {
        this.$delete(this.tempObj, 'repName')
        this.$delete(this.tempObj, 'repUrl')
        this.$delete(this.tempObj, 'content')
      },
      openMaterial() {
        this.dialogNewsVisible = true
      },
      selectMaterial(item) {
        if (item.content.articles.length > 1) {
          this.$alert('您选择的是多图文，将默认跳转第一篇', '提示', {
            confirmButtonText: '确定'
          })
        }
        this.dialogNewsVisible = false
        this.tempObj.media_id = item.mediaId
        this.tempObj.mediaName = item.name
        this.tempObj.url = item.url
        item.mediaType = this.tempObj.mediaType
        item.content.articles = item.content.articles.slice(0, 1)
        this.tempObj.content = item.content
      },
      getMenuFun() {
        getObj(this.checkAppId).then((res) => {
          if (res.data.data) {

            let data = JSON.parse(res.data.data)
            if(data && data.button){
              this.menu.button = data.button
            }
          }
        });
      },
      handleClick(tab, event) {
        this.tempObj.mediaType = tab.name
      },
      saveMenu() {
        this.$confirm('确定要保存该菜单吗?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          this.saveLoading = true
          saveObj(this.checkAppId, this.menu).then(response => {
            this.saveLoading = false
            this.$message.success('保存成功，请点击发布')
          }).catch(() => {
            this.saveLoading = false
          })
        }).catch(() => {
        })
      },
      publishMenu() {
        this.$confirm('确定要发布该菜单吗?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          this.saveLoading = true
          publishObj(this.checkAppId).then(response => {
            this.saveLoading = false
            this.$message.success('发布成功')
          }).catch(() => {
            this.saveLoading = false
          })
        })
      },
      // 一级菜单点击事件
      menuFun(i, item) {
        this.hackResetWxReplySelect = false//销毁组件
        this.$nextTick(() => {
          this.hackResetWxReplySelect = true//重建组件
        })
        this.showRightFlag = true;//右边菜单
        this.tempObj = item;//这个如果放在顶部，flag会没有。因为重新赋值了。
        this.tempSelfObj.grand = "1";//表示一级菜单
        this.tempSelfObj.index = i;//表示一级菜单索引
        this.isActive = i; //一级菜单选中样式
        this.isSubMenuFlag = i; //二级菜单显示标志
        this.isSubMenuActive = -1; //二级菜单去除选中样式
        this.nameMaxlength = 4
        if (item.sub_button && item.sub_button.length > 0) {
          this.showConfigurContent = false
        } else {
          this.showConfigurContent = true
        }
        this.tempObj.appId = this.checkAppId
      },
      // 二级菜单点击事件
      subMenuFun(subItem, index, k) {
        this.hackResetWxReplySelect = false//销毁组件
        this.$nextTick(() => {
          this.hackResetWxReplySelect = true//重建组件
        })
        this.showRightFlag = true;//右边菜单
        this.tempObj = subItem;//将点击的数据放到临时变量，对象有引用作用
        this.tempSelfObj.grand = "2";//表示二级菜单
        this.tempSelfObj.index = index;//表示一级菜单索引
        this.tempSelfObj.secondIndex = k;//表示二级菜单索引
        this.isSubMenuActive = index + "" + k; //二级菜单选中样式
        this.isActive = -1;//一级菜单去除样式
        this.showConfigurContent = true;
        this.nameMaxlength = 7
        this.tempObj.appId = this.checkAppId
      },
      // 添加横向一级菜单
      addMenu() {
        let menuKeyLength = this.menuKeyLength
        let addButton = {
          name: "菜单名称",
          sub_button: []
        }
        this.$set(this.menu.button, menuKeyLength, addButton)
        this.menuFun(this.menuKeyLength - 1, addButton)
      },
      // 添加横向二级菜单
      addSubMenu(i, item) {
        if (!item.sub_button || item.sub_button.length <= 0) {
          this.$set(item, 'sub_button', [])
          this.$delete(item, 'type')
          this.$delete(item, 'pagepath')
          this.$delete(item, 'url')
          this.$delete(item, 'key')
          this.$delete(item, 'media_id')
          this.$delete(item, 'textContent')
          this.showConfigurContent = false
        }
        let subMenuKeyLength = item.sub_button.length;//获取二级菜单key长度
        let addButton = {
          name: "子菜单名称"
        }
        this.$set(item.sub_button, subMenuKeyLength, addButton);
        this.subMenuFun(item.sub_button[subMenuKeyLength], i, subMenuKeyLength)
      },
      //删除当前菜单
      deleteMenu(obj) {
        let _this = this;
        this.$confirm('确定要删除吗?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          _this.deleteData();// 删除菜单数据
          _this.tempObj = {};
          _this.showRightFlag = false;
          this.isActive = -1;
          this.isSubMenuActive = -1;
        }).catch(() => {
        });
      },
      // 删除菜单数据
      deleteData() {
        // 一级菜单的删除方法
        if (this.tempSelfObj.grand == "1") {
          this.menu.button.splice(this.tempSelfObj.index, 1);
        }
        // 二级菜单的删除方法
        if (this.tempSelfObj.grand == "2") {
          this.menu.button[this.tempSelfObj.index].sub_button.splice(this.tempSelfObj.secondIndex, 1);
        }
        this.$message({
          type: 'success',
          message: '删除成功!'
        });
      }
    },
    computed: {
      ...mapGetters(['permissions']),
      // menuObj的长度，当长度 小于  3 才显示一级菜单的加号
      menuKeyLength: function () {
        return this.menu.button.length;
      }
    }
  }
</script>

<style lang="less" src="@/components/wechat/css/wechat.less" scoped/>
<style lang="scss" src="@/components/wechat/css/wechat.scss" scoped/>
