<template>
    <v-app id="pages-dasboard">
      <v-toolbar class="fixcolors"  fixed app>
        <v-toolbar-title class="ml-0 pl-3">
          <v-toolbar-side-icon @click.stop="handleDrawerToggle" class="hide"></v-toolbar-side-icon>
        </v-toolbar-title>
        <!-- ****** SEARCH ALL EXISTING NEWS ****** -->

        <v-flex xs7 sm3 class="userSearch">

          <v-text-field
            flat
            append-icon="search"

            label="Find your News"

            v-model="search"
            color="white"

            class="pa-3"

            dark
          ></v-text-field>
        </v-flex>
        <v-spacer></v-spacer>
        <v-menu offset-y origin="center center" :nudge-bottom="10" transition="scale-transition">
          <v-btn icon large flat slot="activator">
            <v-avatar size="40px">
              <img src="/static/icon/user.png">
            </v-avatar>
          </v-btn>
          <v-list class="pa-0">
            <v-list-tile
              v-for="(item,index) in items"
              :to="!item.href ? { name: item.name } : null"
              :href="item.href"
              @click="item.click"
              ripple="ripple"
              :disabled="item.disabled"
              :target="item.target"
              rel="noopener"
              :key="index"
            >
              <v-list-tile-action v-if="item.icon">
                <v-icon>{{ item.icon }}</v-icon>
              </v-list-tile-action>
              <v-list-tile-content>
                <v-list-tile-title>{{ item.title }}</v-list-tile-title>
              </v-list-tile-content>
            </v-list-tile>
          </v-list>
        </v-menu>
      </v-toolbar>
      <v-tabs grow slider-color="black">
        <v-tab
          ripple
          @click="activeTab('existing')"
          v-bind:class="{ active: isActive }"
          id="tab"
          class="subheading"
        >Existing News</v-tab>
        <v-tab
          ripple
          @click="activeTab('new')"
          v-bind:class="{ active: newActive }"
          id="tab1"
          User
          class="subheading"
        >Add News</v-tab>
  
        <!-- ****** EDITS ALL NEWS DETAILS ****** -->
  
        <v-tab-item>
          <v-snackbar
            :timeout="timeout"
            :top="y === 'top'"
            :right="x === 'right'"
            :vertical="mode === 'vertical'"
            v-model="snackbar"
            color="success"
          >{{ text }}</v-snackbar>
          <v-dialog v-model="dialog" max-width="1000px">

            <v-flex xs12 sm12>
              <v-toolbar class="grey lighten-2">

                <v-spacer></v-spacer>

                <v-toolbar-title > <h3>Edit News</h3></v-toolbar-title>

                <v-spacer></v-spacer>
              </v-toolbar>
              <v-card flat>
                <v-form ref="form">
                  <v-container fluid>
                    <v-layout>
                      <v-flex
                        xs12
                        class="text-xs-center text-sm-center text-md-center text-lg-center mr-4"
                      >

                        <v-avatar size="150px">
                          <img src="/static/icon/user.png" v-if="!editedItem.newsImageUrl">
                          <span v-for = "image in editedItem.newsImageUrl">
                          <img :src="image" alt="newsImage" v-if="editedItem.newsImageUrl">
                        </span>

                        </v-avatar>
                        <input

                          type = "file"

                          style="display: none"
                          ref="image"
                          accept="image/*"
                          @change="onFilePicked"
                        >
                        <img

                          :src="editItem.newsImageUrl"

                          height="150"
                          v-if="imageUrl"
                          style="border-radius:50%; width:200px"
                        >
                      </v-flex>
                    </v-layout>
                    <v-layout>

                      <v-flex xs12 sm12>

                        <v-layout>
                          <v-flex xs4 class="pt-4 subheading">
                            <label class="right">Select Class:</label>
                          </v-flex>

                          <v-flex xs5 class="ml-3">

                            <v-select
                              :items="addclass"
                              label="Select Class"
                              v-model="editedItem.select"
                              item-text="classNum"
                              item-value="_id"
                              name="Select Class"
                              @change="getSections(editedItem.select)"
                              required
                            ></v-select>
                          </v-flex>
                        </v-layout>
                      </v-flex>

                      <v-flex xs12 sm12>

                        <v-layout>
                          <v-flex xs4 class="pt-4 subheading">
                            <label class="right">Select Section:</label>
                          </v-flex>

                          <v-flex xs5 class="ml-3">

                            <v-select
                              :items="addSection"
                              label="Select Section"
                              v-model="editedItem.selectSection"
                              item-text="name"
                              item-value="_id"
                              name="Select Section"
                              required
                            ></v-select>
                          </v-flex>
                        </v-layout>
                      </v-flex>
                    </v-layout>
                    <v-layout>

                      <v-flex xs12 sm12>

                        <v-layout>
                          <v-flex xs4 class="pt-4 subheading">
                            <label class="right">Title:</label>
                          </v-flex>

                          <v-flex xs5 class="ml-3">

                            <v-text-field
                              v-model="editedItem.title"
                              placeholder="fill your Title"
                              name="name"
                              type="text"
                              required
                            ></v-text-field>
                          </v-flex>
                        </v-layout>
                      </v-flex>

                      <v-flex xs12 sm12>

                        <v-layout>
                          <v-flex xs4 class="pt-4 subheading">
                            <label class="right">Description:</label>
                          </v-flex>

                          <v-flex xs5 class="ml-3">

                            <v-text-field
                              placeholder="fill your Description"
                              v-model="editedItem.description"
                              type="text"
                              name="email"
                              required
                            ></v-text-field>
                          </v-flex>
                        </v-layout>
                      </v-flex>

                      <v-flex xs12>
                        <v-layout>
                          <v-flex xs4 class="pt-4 subheading">
                            <label class="right">Uplaod Image:</label>
                          </v-flex>
                          <v-flex xs5 class="ml-3">
                            <v-text-field
                              label="Select Image"
                              @click="pickFile"
                              v-model="imageName"
                              append-icon="attach_file"
                              multiple
                            ></v-text-field>
                          </v-flex>
                      </v-layout>
                      </v-flex> 

                    </v-layout>
                    <v-layout>

                      <v-flex xs12 sm8 offset-sm2>

                        <v-card-actions>
                          <v-btn round dark @click.native="close">Cancel</v-btn>
                          <v-spacer></v-spacer>
                          <v-btn round dark @click="save">Save</v-btn>
                        </v-card-actions>
                      </v-flex>
                    </v-layout>
                  </v-container>
                </v-form>
              </v-card>
            </v-flex>
          </v-dialog>
  
          <!-- ****** PROFILE VIEW ALL NEWS DEATILS ******  -->

  
          <v-dialog v-model="dialog1" max-width="800px">
            <v-toolbar color="grey lighten-2">

              <v-spacer></v-spacer>

              <v-toolbar-title><h3>News</h3></v-toolbar-title>

              <v-spacer></v-spacer>
              <v-icon @click="close1">close</v-icon>
            </v-toolbar>
            <v-card>

              <v-flex align-center justify-center layout text-xs-center >
                <!-- <v-avatar size="50px" style="position:absolute; top:20px;">

                  <img src="/static/icon/user.png">

                </v-avatar> -->
                <span v-for = "image in editedItem.newsImageUrl" class="mt-4 pa-2">
                  <img :src="image" alt="News" width="240" height="180">
              </span>

              </v-flex>
              <v-card-text>
                <v-container grid-list-md>
                  <v-layout wrap>
                    <v-flex>

                      <v-layout>
                        <v-flex xs5 sm6>

                          <h5 class = "right my-1"><b>Title:</b></h5>

                        </v-flex>
                        <v-flex sm6 xs8>
                          <h5 class="my-1">{{ editedItem.title }}</h5>
                        </v-flex>
                      </v-layout>
                      <v-layout>
                        <v-flex xs5 sm6>

                          <h5 class="right my-1"><b>Description:</b></h5>

                        </v-flex>
                        <v-flex sm6 xs8>
                          <h5 class="my-1">{{ editedItem.description }}</h5>
                        </v-flex>
                      </v-layout>
                    </v-flex>
                  </v-layout>
                </v-container>
              </v-card-text>
            </v-card>
          </v-dialog>
  
          <v-snackbar
            :timeout="timeout"
            :top="y === 'top'"
            :right="x === 'right'"
            :vertical="mode === 'vertical'"
            v-model="snackbar"
            color="success"
          >{{ text }}</v-snackbar>
  
          <!-- ****** EXISTING-USERS NEWS TABLE ****** -->
          <v-data-table
            :headers="headers"
            :items="desserts"
            :pagination.sync="pagination"
            :search="search"
          >
            <template slot="items" slot-scope="props">

              <td class="text-xs-center">{{ props.index}}</td>
              <td id="td"class="text-xs-center">
              <span v-for = "image in props.item.newsImageUrl" class="pa-2">
                <v-avatar size = "70">
                  <img :src="image" alt="">
                </v-avatar> 
              </span>
                </td>

              <td id="td" class="text-xs-center">{{ props.item.title}}</td>
              <td id="td" class="text-xs-center">{{ props.item.description}}</td>
  
              <td class="text-xs-center">
                <span>
                  <img
                    style="cursor:pointer; width:25px; height:18px; "
                    class="mr-5"
                    @click="profile(props.item)"
                    src="/static/icon/eye1.png"
                  >
                  <img
                    style="cursor:pointer; width:20px; height:18px; "
                    class="mr-5"
                    @click="editItem(props.item)"
                    src="/static/icon/edit1.png"
                  >
                  <img
                    style="cursor:pointer; height:20px; "
                    class="mr-5"
                    @click="deleteItem(props.item)"
                    src="/static/icon/delete1.png"
                  >
                </span>
              </td>
            </template>
            <v-alert
              slot="no-results"
              :value="true"
              color="error"
              icon="warning"
            >Your search for "{{ search }}" found no results.</v-alert>
          </v-data-table>
        </v-tab-item>
  
        <!-- ****** ADD MULTIPLE NEWS ****** -->
  
        <v-tab-item>
          <v-container>
            <v-snackbar
              :timeout="timeout"
              :top="y === 'top'"
              :right="x === 'right'"
              :vertical="mode === 'vertical'"
              v-model="snackbar"
              color="success"
            >{{ text }}</v-snackbar>
            <v-flex xs12 sm12 class="my-4">
              <v-card flat>
                <v-form ref="form" v-model="valid" lazy-validation>
                  <v-container fluid>
                    <v-layout>
                      <v-flex

                        xs6 offset-sm3

                        class="text-xs-center text-sm-center text-md-center text-lg-center my-4 mr-4"
                      >

                        <input
                          type="file"

                          style = "display: none"

                          ref="image"
                          accept="image/*"

                          multiple

                          @change="onFilePicked"
                        >

                        <v-layout>

                         <v-flex v-for="(file, index) in files" :key="index">
                          <v-avatar size="140">
                         <img :src = "file.url" height="200" width="320px;">
                       </v-avatar>

                        </v-flex>
                      </v-layout>

                      </v-flex>

                    </v-layout>

                      <v-flex xs12>
                        <v-layout>
                          <v-flex xs4 class="pt-4 subheading">
                            <label class="right">Title:</label>
                          </v-flex>
                          <v-flex xs4 class="ml-3">
                            <v-text-field
                              v-model="addNews.title"
                              placeholder="fill your Title"
                              name="name"
                              type="text"
                              :rules="titleRules"
                              required
                            ></v-text-field>
                          </v-flex>
                        </v-layout>
                      </v-flex>
                      <v-flex xs12>
                        <v-layout>
                          <v-flex xs4 class="pt-4 subheading">
                            <label class="right">Description:</label>
                          </v-flex>
                          <v-flex xs4 class="ml-3">
                            <v-text-field
                              placeholder="fill your Description"
                              :rules="descriptionRules"
                              v-model="addNews.description"
                              type="text"
                              name="email"
                              required
                            ></v-text-field>
                          </v-flex>
                        </v-layout>
                      </v-flex>

                      <v-flex xs12>
                        <v-layout>
                          <v-flex xs4 class="pt-4 subheading">
                            <label class="right">Uplaod Image:</label>
                          </v-flex>
                          <v-flex xs4 class="ml-3">
                            <v-text-field
                              label="Select Image"
                              @click="pickFile"
                              v-model="imageName"
                              append-icon="attach_file"
                              multiple
                            ></v-text-field>
                          </v-flex>
                      </v-layout>
                      </v-flex> 

                    <v-layout>
                      <v-flex xs12 sm6 offset-sm3>
                        <v-card-actions>
                          <v-btn @click="clear" round dark>clear</v-btn>
                          <v-spacer></v-spacer>
                          <v-btn @click="submit" round dark :loading="loading">Add</v-btn>
                        </v-card-actions>
                      </v-flex>
                    </v-layout>
                  </v-container>
                </v-form>
              </v-card>
            </v-flex>
          </v-container>
        </v-tab-item>
      </v-tabs>

      <div class="loader" v-if="showLoader">
        <v-progress-circular indeterminate color="white"></v-progress-circular>
      </div>

    </v-app>
  </template>
  
  <script>
  import http from "@/Services/http.js";
  import Util from "@/util";
  
  export default {
    data: () => ({
      snackbar: false,
      y: "top",
      x: "right",
      mode: "",
      timeout: 3000,
      text: "",
      loading: false,
      date: null,
      search: "",

      showLoader:false,

      dialog: false,
      dialog1: false,
      valid: true,
      isActive: true,
      newActive: false,
      addclass: [],
      addSection: [],

      AddUsercredentials: {},
      pagination: {
        rowsPerPage: 15
      },

      imageName: "",
      imageUrl: "",
      imageFile: "",

      image: [],
      upload:"",
      files:[],

      titleRules: [v => !!v || " Tilte is required"],
      descriptionRules: [v => !!v || " Description is required"],
      headers: [
        {

          align: "center",

          text: "No",

          sortable: false,
          value: "No"
        },

        { text: "Image", vaue: "image",sortable: false, align: "center"},

        { text: "Title", value: "title", sortable: false, align: "center" },

        { text: "Description", value: "description", sortable: false, align: "center" },
        { text: "Action", value: "", sortable: false, align: "center" }
      ],

      desserts: [{
        image:"https://picsum.photos/500/300?image",
        title:"title",
        description:"description",
  
      }],

      editedIndex: -1,
      addNews: {
        title: "",

        description: "",

      },
      editedItem: {
        title: "",

        description: "",

      },
      defaultItem: {
        title: "",
        description: ""
      },
      userName: "",
      items: [
        {
          href: "/changepassword",
          title: "Change Password",
          click: e => {
            console.log(e);
          }
        },
        {
          href: "#",
          title: "Logout",
          click: e => {
            window.getApp.$emit("APP_LOGOUT");
          }
        }
      ]
    }),

    methods: {
      getSections(_id) {

        console.log("_id",_id)

        var token = this.$store.state.token;
        http()
          .get(
            "/getSectionsList",
            { params: { classId: _id } },
            {
              headers: { Authorization: "Bearer " + token }
            }
          )
          .then(response => {
            this.addSection = response.data.data;
            // console.log("getSectionsList=====>", this.addSection);
          })
          .catch(err => {
            // console.log("err====>", err);
            // this.$router.replace({ path: '/' });
          });
      },
      pickFile() {
        this.$refs.image.click();
      },

      onFilePicked(e) {
        // console.log(e)
        const files = e.target.files;

         /** fetch Image Name **/

        if (files[0] !== undefined) {
          this.imageName = files[0].name;
          if (this.imageName.lastIndexOf(".") <= 0) {
            return;

        }
        this.files = [];
        console.log("files", this.files);
        /** Select many image and showing many image add to news card **/
        const test = Array.from(files).forEach((file, idx) => {

          const fr = new FileReader();

          const getResult = new Promise(resolve => {
            fr.onload = e => {
              this.files.push({
                id: idx,
                url: e.target.result
              });
            };

          });

          fr.readAsDataURL(file);
          return getResult.then(file => {
            return file;
          });
        });
        const fr = new FileReader();
        fr.readAsDataURL(files[0]);
        fr.addEventListener("load", () => {
        this.imageFile = files; // this is an image file that can be sent to server...
        console.log("uploadImage=======>", this.imageFile );
        });

        } else {
          this.imageName = "";
          this.imageFile = "";
          this.imageUrl = "";
        }
      },
      getNewsList() {

        this.showLoader = true;

        var token = this.$store.state.token;
        http()
          .get("/getNewsList", {
            headers: { Authorization: "Bearer " + token }
          })
          .then(response => {
            this.desserts = response.data.data;

            this.showLoader = false;

            // console.log("getNewsList=====>",this.desserts)
          })
          .catch(err => {
            // console.log("err====>", err);

            this.showLoader = false;

            this.$router.replace({ path: "/" });
          });
      },
      editItem(item) {
        this.editedIndex = this.desserts.indexOf(item);
        this.editedItem = Object.assign({}, item);
        this.dialog = true;
      },
      profile(item) {
        this.editedIndex = this.desserts.indexOf(item);
        this.editedItem = Object.assign({}, item);
        this.dialog1 = true;
      },

      deleteItem(item) {
        let deleteNews = {
          newsId: item._id
        };
        http()
          .delete(
            "/deleteNews",
            confirm("Are you sure you want to delete this?") && {
              params: deleteNews
            }
          )
          .then(response => {
            // console.log("deleteNews",deleteNews)
            if ((this.snackbar = true)) {
              this.text = "Successfully delete Existing User";
            }
            this.getNewsList();
          })
          .catch(error => {
            // console.log(error);
          });
      },
      activeTab(type) {
        switch (type) {
          case "existing":
            this.newActive = false;
            this.isActive = true;
            break;
  
          default:
            this.newActive = true;
            this.isActive = false;
            break;
        }
      },
      close() {
        this.dialog = false;
        setTimeout(() => {
          this.editedItem = Object.assign({}, this.defaultItem);
          this.editedIndex = -1;
        }, 300);
      },
      close1() {
        this.dialog1 = false;
      },

      submit() {

        console.log("===========>",this.image)

        this.loading = true;

        if (this.$refs.form.validate()) {

          let newsData = new FormData();        
          for( var i = 0; i < this.imageFile.length; i++ ){
            let file = this.imageFile[i];
            newsData.append("upload", file );
          }
          newsData.append("title",this.addNews.title);
          newsData.append("description",this.addNews.description);
          console.log("newsDataData",newsData);

          http()

            .post("/createNews", newsData)

            .then(response => {

              console.log(newsData)

              if ((this.snackbar = true)) {
                this.text = "New user added successfully";
              }
              this.getNewsList();

              this.loading = false;

              this.clear();
            })
            .catch(error => {

              if ((this.snackbar = true)) {
                this.text = error.response.data.message;
              }
            });
        }
      },
      mail() {},
      download() {},
      clear() {
        this.$refs.form.reset();
      },
      save() {

        // let imageData = new FormData();
        // imageData.append("upload", this.imageFile);
        // console.log(imageData);
        // let editNews = {
        //   newsId: this.editedItem._id,
        //   title: this.editedItem.title,
        //   description: this.editedItem.description,
        //   // imageData
        // };
          let newsData = new FormData();        
          for( var i = 0; i < this.imageFile.length; i++ ){
            let file = this.imageFile[i];
            newsData.append("upload", file );
          }
          newsData.append("title",this.editedItem.title);
          newsData.append("description",this.editedItem.description);

        http()
          .put("/updateNews", editNews)
          .then(response => {
            // console.log("updateNews",updateNews);
            if ((this.snackbar = true)) {
              this.text = "Successfully Edit Existing User";
            }
            this.getNewsList();
          })
          .catch(error => {
            // console.log(error);
          });
        this.close();
      },
      handleDrawerToggle() {
        window.getApp.$emit("APP_DRAWER_TOGGLED");
      },
      handleFullScreen() {
        Util.toggleFullScreen();
      }
    },
    mounted() {
      this.getNewsList();
      var token = this.$store.state.token;
      http()
        .get("/getClassesList", {
          headers: { Authorization: "Bearer " + token }
        })
        .then(response => {
          this.addclass = response.data.data;
          // console.log("getClassesList=====>",this.addclass)
        })
        .catch(err => {
          // console.log("err====>", err);

        });

        this.editItem

    },

    computed: {
      toolbarColor() {
        return this.$vuetify.options.extra.mainNav;
      }
    }
  };
  </script>
  <style scoped>

  .pl-3 {
   padding-left: 0px !important;
  }

  .v-tabs__div {
    text-transform: none;
  }
  .v-input__prepend-outer {
    margin-right: 0px !important;
  }
  .v-card__actions .v-btn {
    margin: 0 15px;
    min-width: 120px;
  }
  .primary {
    background-color: #aaa !important;
    border-color: #aaa !important;
  }
  h4 {
    background-repeat: no-repeat;
    padding: 8px;
    margin: auto;
    font-size: 25px;
  }
  #name {
    position: absolute;
    left: 100px;
    top: 17px;
  }
  #icon {
    position: absolute;
    right: 8px;
    top: 8px;
  }
  #m {
    position: relative;
    left: 135px;
    top: -15px;
  }
  #G {
    position: absolute;
    top: 38px;
    color: white;
  }
  #bt {
    position: relative;
    top: -20px;
    left: 115px;
  }
  #e {
    position: relative;
    top: 5px;
    right: -30px;
    height: 17px;
    cursor: pointer;
  }
  #d {
    position: relative;
    top: 5px;
    right: -70px;
    height: 17px;
    cursor: pointer;
  }
  #td {
    border: 1px solid #dddddd;
    text-align: left;
    padding: 8px;
  }
  #dialog {
    height: 550px;
  }
  .active {
    background-color: black;
    color: white !important;
  }
  .activebtn {
    color: black !important;
  }
  #flex {
    height: 300px;
  }
  .top {
    margin-top: 100px;
  }
  .v-tabs__item a {
    font-size: 16px !important;
  }

  .list{
    padding: 0 0px !important;
  }

  @media screen and (max-width: 769px) {
    .top {
      margin-top: 0 !important;
    }
    .userSearch .v-icon {
      font-size: 20px !important;
      margin-left: 20px;
    }
  }
  @media screen and (max-width: 380px) {
    .right {
      float: none !important;
    }
    .subheading {
      font-size: 14px !important;
    }
    .v-card__actions .v-btn {
      margin: 0 0px;
      min-width: 100px;
    }
    /* .searchIcon .v-icon {
      font-size: 20px;
      margin-left: 20px;
  } */
    .subheading {
      font-size: 12px !important;
    }
    h5 {
      font-size: 13px;
    }
  }
  .v-icon {
    font-size: 30px;
  }
  @media screen and (min-width: 1270px) {
    .hide {
      display: none;
    }
    /* }
  @media screen and (max-width: 962px) {
  .imglogo{
      position: absolute;
      top: 13px;
      left: 13px !important;
      width: 70px;
      height: 24px;
  } */
  }
  @media screen and (max-width: 420px) {
    .userSearch .v-text-field .v-label {
      line-height: 24px !important;
    }
    .userSearch .v-label {
      font-size: 13px !important;
    }
    .v-list__tile {
      font-size: 14px;
      padding: 0 10px;
    }
    .name {
      font-size: 15px;
    }
  }
  </style>