<template>

    <v-container fluid class="body-color">
      <!-- ****** EDIT NEWS  ****** -->
      <v-dialog v-model="editNewsDialog" max-width="600px">
        <v-card flat class="card-style pa-2" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">Edit News</label>
              <v-icon size="24" class="right" @click="editNewsDialog = false">cancel</v-icon>
            </v-flex>
          </v-layout>
          <v-card-text>
            <v-layout row>
              <v-flex xs12 class="text-xs-center text-sm-center text-md-center text-lg-center my-4">
                <input
                  type="file"
                  style="display: none"
                  ref="image"
                  accept="image/*"
                  multiple
                  @change="onFilePicked"
                />
                <v-layout justify-center>

                  <v-flex
                    xs12

                    sm12
                    md3
                    v-for="Image in editedItem.newsImageUrl"
                    :key="Image._id"
                    v-if="editedItem.newsImageUrl"
                    class="profile-image-wrapper"

                  >

                    <img
                      :src="Image.imageUrl"
                      height="100"
                      width="100"
                      alt="News"
                      class="pa-2 imgNews"

                    />

                    <v-icon
                      class="red edit-profile-icon"
                      dark
                      @click="deleteImage(Image._id,editedItem._id)"
                    >close</v-icon>

                  </v-flex>

                  <v-flex v-for="(file, index) in files" :key="index">
                    <img :src="file" height="100" width="100" class="pa-2" />
                  </v-flex>
                  <img
                    src="/static/icon/user.png"
                    v-if="files == '' && editedItem.newsImageUrl == ''"
                    height="100"
                    width="100"
                    alt="News"
                  />

                </v-layout>

              </v-flex>
            </v-layout>
            <!-- </v-layout> -->
            <v-layout wrap>
              <v-flex xs12 sm12>
                <v-layout>
                  <v-flex xs4 class="pt-4 subheading">
                    <label class="right">Title:</label>

                  </v-flex>

                  <v-flex sm6 xs8 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 sm6 xs8 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 hidden-xs-only hidden-sm-only">Add New Images:</label>
                    <label class="right hidden-lg-only hidden-md-only hidden-xl-only">Uplaod :</label>
                  </v-flex>
                  <v-flex sm6 xs8 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 sm9 offset-sm2 class="hidden-xs-only hidden-sm-only">
                <v-card-actions>
                  <v-spacer></v-spacer>
                  <v-btn round dark @click="save" class="add-button">Save</v-btn>
                </v-card-actions>
              </v-flex>
              <v-flex xs12 class="hidden-lg-only hidden-md-only hidden-xl-only">
                <v-card-actions>
                  <v-spacer></v-spacer>
                  <v-btn round dark @click="save" class="add-button">Save</v-btn>
                  <v-spacer></v-spacer>
                </v-card-actions>
              </v-flex>
            </v-layout>
          </v-card-text>
        </v-card>
      </v-dialog>
      <!-- ****** PROFILE  NEWS  ******  -->
      <v-dialog v-model="dialog1" max-width="500px">
        <v-card flat class="card-style pa-3" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">View News</label>
              <v-icon size="24" class="right" @click="dialog1 = false">cancel</v-icon>
            </v-flex>
          </v-layout>
          <v-card-text>
            <v-flex align-center justify-center layout text-xs-center>
              <span v-for="(image,i) in editedItem.newsImageUrl" :key="i" class="pa-2">
                <img :src="image.imageUrl" alt="News" width="100" height="100" class="imgNews" />
              </span>
              <img
                src="/static/icon/user.png"
                v-if="editedItem.newsImageUrl == ''"
                height="80"
                width="80"
                alt="News"
              />
            </v-flex>
            <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>
      <!-- ****** EXISTING-USERS NEWS TABLE ****** -->
      <v-toolbar color="transparent" flat>
        <v-btn
          fab
          dark
          class="open-dialog-button hidden-xl-only hidden-md-only hidden-lg-only"
          small
          @click="addNewsDialog = true"
        >
          <v-icon dark>add</v-icon>
        </v-btn>
        <v-btn
          round
          class="open-dialog-button hidden-sm-only hidden-xs-only"
          dark
          @click="addNewsDialog = true"
        >
          <v-icon class="white--text pr-1" size="20">add</v-icon>Add News
        </v-btn>
        <v-spacer></v-spacer>
        <v-card-title class="body-1" v-show="show">
          <v-btn icon large flat @click="displaySearch">
            <v-avatar size="27">

              <img src="/static/icon/search.png" alt="icon" />

            </v-avatar>
          </v-btn>
        </v-card-title>
        <v-flex xs8 sm8 md3 lg2 v-show="showSearch">
          <v-layout>
            <v-text-field v-model="search" label="Search" prepend-inner-icon="search" color="primary"></v-text-field>
            <v-icon @click="closeSearch" color="error">close</v-icon>
          </v-layout>
        </v-flex>
      </v-toolbar>
      <v-data-table
        :headers="headers"
        :items="desserts"
        :pagination.sync="pagination"
        :search="search"
      >
        <template slot="items" slot-scope="props">
          <tr class="tr">
            <td class="td td-row">{{ props.index + 1}}</td>
            <td class="td td-row text-xs-center">
              <span v-for="(image,_id) in props.item.newsImageUrl" class="pa-2">
                <img :src="image.imageUrl" alt="newsImage" width="40" height="40" />
              </span>
              <img
                src="/static/icon/user.png"
                v-if="props.item.newsImageUrl == ''"
                width="40"
                alt="News"
              />
            </td>
            <td class="td td-row text-xs-center">{{ props.item.title}}</td>
            <td class="td td-row text-xs-center">{{ props.item.description}}</td>
  
            <td class="td td-row text-xs-center">
              <span>
                <v-tooltip top>
                  <img
                    slot="activator"
                    style="cursor:pointer; width:25px; height:25px; "
                    class="mr-3"
                    @click="profile(props.item)"

                    src="/static/icon/view.png"

                  />
                  <span>View</span>
                </v-tooltip>
                <v-tooltip top>
                  <img
                    slot="activator"
                    style="cursor:pointer; width:20px; height:18px; "
                    class="mr-3"
                    @click="editItem(props.item)"

                    src="/static/icon/edit.png"

                  />
                  <span>Edit</span>
                </v-tooltip>
                <v-tooltip top>
                  <img
                    slot="activator"
                    style="cursor:pointer; width:20px; height:20px; "
                    @click="deleteItem(props.item)"

                    src="/static/icon/delete.png"

                  />
                  <span>Delete</span>
                </v-tooltip>
              </span>
            </td>
          </tr>
        </template>
        <v-alert
          slot="no-results"
          :value="true"
          color="error"
          icon="warning"
        >Your search for "{{ search }}" found no results.</v-alert>
      </v-data-table>
      <!-- ****** ADD  NEWS ****** -->
      <v-dialog v-model="addNewsDialog" max-width="600px">
        <v-card flat class="card-style pa-2" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">Add News</label>
              <v-icon size="24" class="right" @click="addNewsDialog = false">cancel</v-icon>

            </v-flex>

          </v-layout>
          <v-form ref="form" v-model="valid" lazy-validation>
            <v-container fluid>
              <v-layout>
                <v-flex xs12 class="text-xs-center text-sm-center text-md-center text-lg-center my-4">
                  <input
                    type="file"
                    style="display: none"
                    ref="image"
                    accept="image/*"
                    multiple
                    @change="onFilePicked"
                  />
                  <v-layout justify-center>
                    <v-flex v-for="(file,index) in files" :key="index" v-if="files">
                      <img :src="file" height="100" width="100;" class="imgNews" />
                    </v-flex>
                  </v-layout>
                  <img src="/static/icon/user.png" v-if="files ==''" height="80" width="80" />
                </v-flex>
              </v-layout>
              <v-flex xs12>
                <v-layout>
                  <v-flex xs4 sm4 class="pt-4 subheading">
                    <label class="right">Title:</label>
                  </v-flex>
                  <v-flex sm6 xs8 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 sm6 xs8 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 hidden-xs-only hidden-sm-only">Uplaod Image:</label>
                    <label class="right hidden-lg-only hidden-md-only hidden-xl-only">Uplaod :</label>
                  </v-flex>
                  <v-flex xs8 sm6 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 xs11>
                  <v-layout>
                    <v-spacer></v-spacer>
                    <v-btn @click="clear" round class="clear-button" dark>clear</v-btn>
                    <v-btn @click="submit" round dark :loading="loading" class="add-button">Add</v-btn>
                  </v-layout>
                </v-flex>
              </v-layout>
            </v-container>
          </v-form>
        </v-card>
      </v-dialog>

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

    </v-container>

  </template>
  
  <script>
  import http from "@/Services/http.js";

  
  export default {
    data: () => ({
      snackbar: false,
      y: "top",
      x: "right",
      mode: "",

      timeout: 5000,
      color: "",

      text: "",
      loading: false,
      date: null,
      search: "",

      show: true,
      showSearch: false,

      showLoader: false,

      editNewsDialog: false,
      addNewsDialog: false,

      dialog1: false,
      valid: true,

      addclass: [],
      addSection: [],

      pagination: {

        rowsPerPage: 10

      },

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

      image: [],

      upload: "",
      files: [],

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

          align: "justify-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: [],

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

        description: ""

      },
      editedItem: {
        title: "",

        description: ""

      },
      defaultItem: {
        title: "",
        description: ""

      }

    }),

    methods: {
      getSections(_id) {
        var token = this.$store.state.token;
        http()
          .get(
            "/getSectionsList",
            { params: { classId: _id } },
            {
              headers: { Authorization: "Bearer " + token }
            }
          )
          .then(response => {
            this.addSection = response.data.data;

          })
          .catch(err => {

            console.log("err====>", err);

          });
      },
      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,
                  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;

          })

          .catch(error => {

            this.showLoader = false;

            if (error.response.status === 401) {

              this.$router.replace({ path: "/" });
              this.$store.dispatch("setToken", null);
              this.$store.dispatch("Id", null);
            }

          });
      },
      editItem(item) {

        this.files = [];

        this.editedIndex = this.desserts.indexOf(item);
        this.editedItem = Object.assign({}, item);

        this.editNewsDialog = 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 => {

            this.snackbar = true;
            this.text = response.data.message;
            this.color = "green";

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

            this.snackbar = true;
            this.color = "error";
            this.text = error.response.data.message;

          });
      },

      deleteImage(imageId, newsId) {

        let deleteImages = {

          newsId: newsId,
          imageId: imageId
        };
        http()
          .put("/deleteImages", deleteImages)
          .then(response => {

            this.snackbar = true;
            this.text = response.data.message;
            this.color = "green";

            this.close();

          })
          .catch(error => {

            this.snackbar = true;
            this.color = "error";
            this.text = error.response.data.message;

          });
      },

      close() {
        this.dialog = false;

      },
      close1() {
        this.dialog1 = false;
      },

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

          let newsData = {
            title: this.addNews.title,
            description: this.addNews.description
          };
          if (this.files) {
            var ary = [];
            var imageData = [];
            ary = this.files;
            for (let i = 0; i < ary.length; i++) {
              const [baseUrl, imageUrl] = ary[i].split(/,/);
              imageData.push(imageUrl);
              newsData.upload = imageData;
            }

          }

          this.loading = true;

          http()

            .post("/createNews", newsData)

            .then(response => {

              this.files = [];
              this.snackbar = true;

              this.text = response.data.message;

              this.getNewsList();

              this.color = "green";
              this.addNewsDialog = false;

              this.loading = false;

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

              this.snackbar = true;
              this.text = error.response.data.message;

              this.color = "error";

            });
        }
      },

      clear() {
        this.$refs.form.reset();

        this.files = [];

      },
      save() {

        let editNews = {
          title: this.editedItem.title,
          description: this.editedItem.description,

          newsId: this.editedItem._id

        };
        if (this.files) {

          var ary = [];
          var imageData = [];
          ary = this.files;
          for (let i = 0; i < ary.length; i++) {
            const [baseUrl, imageUrl] = ary[i].split(/,/);
            imageData.push(imageUrl);
            editNews.upload = imageData;

          }

        }

        http()
          .put("/updateNews", editNews)
          .then(response => {

            this.snackbar = true;
            this.text = response.data.message;
            this.color = "green";

            this.getNewsList();

            this.close();

          })
          .catch(error => {

            this.snackbar = true;
            this.color = "error";
            this.text = error.response.data.message;

          });

      },
      displaySearch() {
        (this.show = false), (this.showSearch = true);
      },
      closeSearch() {
        this.showSearch = false;
        this.show = true;
        this.search = "";

      }

    },
    mounted() {
      this.getNewsList();

      this.editItem;

    }
  };

  </script>