<template>

    <v-container fluid class="body-color">
      <!-- ****** EDITS  NOTIFICATION DETAILS ****** -->
      <v-dialog v-model="editNotificationDialog" max-width="500px">
        <v-flex xs12 sm12>
          <v-card flat class="card-style pa-3" dark>
            <v-layout>
              <v-flex xs12>
                <label class="title text-xs-center">Edit Notification</label>
                <v-icon size="24" class="right" @click="editNotificationDialog = false">cancel</v-icon>
              </v-flex>
            </v-layout>
            <v-flex xs12 sm12>
              <v-layout>
                <v-flex xs4 class="pt-4 subheading">
                  <label class="right">Title:</label>
                </v-flex>
                <v-flex xs8 sm8 class="ml-3">
                  <v-text-field
                    v-model="editedItem.title"
                    placeholder="fill your Title"
                    name="name"
                    type="text"
                  ></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 xs8 sm8 class="ml-3">
                  <v-text-field
                    placeholder="fill your Description"
                    v-model="editedItem.description"
                    type="text"
                  ></v-text-field>
                </v-flex>
              </v-layout>
            </v-flex>
            <v-layout>
              <v-flex xs12>
                <v-card-actions>
                  <v-spacer></v-spacer>
                  <v-btn round dark @click="save" :loading="editLoading" class="add-button">Save</v-btn>
                  <v-spacer></v-spacer>
                </v-card-actions>
              </v-flex>
            </v-layout>
          </v-card>
        </v-flex>
      </v-dialog>

      <!-- ****** PROFILE VIEW NOTIFICATION DEATILS ******  -->

      <v-dialog v-model="profileNotificationDialog" max-width="400px">
        <v-card flat class="card-style pa-3" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">View Notification</label>
              <v-icon size="24" class="right" @click="profileNotificationDialog = false">cancel</v-icon>
            </v-flex>
          </v-layout>
          <v-card-text>
            <v-container grid-list-md>
              <v-layout wrap>
                <v-flex xs12>
                  <v-layout>
                    <v-flex xs4 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-flex>
                <v-layout>
                  <v-flex xs4 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-layout>
            </v-container>
          </v-card-text>
        </v-card>
      </v-dialog>
      <!-- ****** NOTIFICATION 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="addNotificationDialog = true"
        >
          <v-icon dark>add</v-icon>
        </v-btn>
        <v-btn
          round
          class="open-dialog-button hidden-sm-only hidden-xs-only"
          dark
          @click="addNotificationDialog = true"
        >
          <v-icon class="white--text pr-1" size="20">add</v-icon>Add Notification
        </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="notifications"
        :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">{{ 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; "
                    class="mr-3"
                    @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 MULTIPLE NOTIFICATION ****** -->
      <v-dialog v-model="addNotificationDialog" max-width="480px">
        <v-card flat class="card-style pa-2" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">Add Notification</label>
              <v-icon size="24" class="right" @click="addNotificationDialog = false">cancel</v-icon>
            </v-flex>
          </v-layout>
          <v-form ref="form" v-model="valid" lazy-validation>
            <v-container fluid fill-height>
              <v-layout align-center wrap>
                <v-flex xs12>

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

                    </v-flex>

                    <v-flex xs8 sm8 class="ml-3">

                      <v-text-field

                        v-model="addNotification.title"

                        placeholder="fill your Title"

                        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 xs8 sm8 class="ml-3">

                      <v-text-field
                        placeholder="fill your Description"

                        :rules="descriptionRules"
                        v-model="addNotification.description"

                        type="text"

                        required

                      ></v-text-field>
                    </v-flex>
                  </v-layout>
                </v-flex>
                <v-layout>

                  <v-flex xs12 sm12>
                    <v-layout class="hidden-xs-only hidden-sm-only right">
                      <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-card-actions class="hidden-md-only hidden-lg-only hidden-xl-only">
                      <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-spacer></v-spacer>

                    </v-card-actions>
                  </v-flex>
                </v-layout>

              </v-layout>
            </v-container>
          </v-form>
        </v-card>
      </v-dialog>
      <v-snackbar
        :timeout="timeout"
        :top="y === 'top'"
        :right="x === 'right'"
        :vertical="mode === 'vertical'"
        v-model="snackbar"
        :color="color"
      >{{ text }}</v-snackbar>

      <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";
  import Util from "@/util";
  
  export default {
    data: () => ({
      snackbar: false,
      y: "top",
      x: "right",
      mode: "",
      timeout: 3000,
      text: "",
      loading: false,

      editLoading: false,

      date: null,
      search: "",

      color: "",
      show: true,
      showSearch: false,

      showLoader: false,

      profileNotificationDialog: false,
      editNotificationDialog: false,

      valid: true,

      addNotificationDialog: false,

      pagination: {

        rowsPerPage: 10

      },
      imageData: {},
      imageName: "",
      imageUrl: "",
      imageFile: "",
      titleRules: [v => !!v || " Tilte is required"],
      descriptionRules: [v => !!v || " Description is required"],
      headers: [
        {
          text: "No",

          align: "",

          sortable: false,
          value: "No"
        },
        { text: "Title", value: "title", sortable: false, align: "center" },

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

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

      notifications: [],

      editedIndex: -1,

      addNotification: {
        title: "",
        description: ""

      },
      editedItem: {

        title: "",
        description: ""

      }

    }),
    methods: {
      pickFile() {
        this.$refs.image.click();
      },
  
      onFilePicked(e) {

        const files = e.target.files;
        this.imageData.upload = e.target.files[0];
        if (files[0] !== undefined) {
          this.imageName = files[0].name;
          if (this.imageName.lastIndexOf(".") <= 0) {
            return;
          }
          const fr = new FileReader();
          fr.readAsDataURL(files[0]);
          fr.addEventListener("load", () => {
            this.imageUrl = fr.result;
            this.imageFile = files[0]; // this is an image file that can be sent to server...
            this.imageData.imageUrl = URL.createObjectURL(this.imageFile);

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

      getNotifications() {

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

            this.notifications = 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.editedIndex = this.notifications.indexOf(item);

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

        this.editNotificationDialog = true;

      },
      profile(item) {

        this.editedIndex = this.notifications.indexOf(item);

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

        this.profileNotificationDialog = true;

      },
  
      deleteItem(item) {
        let deleteNotification = {
          notificationId: item._id
        };
        http()
          .delete(
            "/deleteNotification",
            confirm("Are you sure you want to delete this?") && {
              params: deleteNotification
            }
          )
          .then(response => {

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

            this.getNotifications();

          })
          .catch(error => {

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

          });
      },

      close() {

        this.editNotificationDialog = false;

      },

      closeNotificationDialog() {
        this.profileNotificationDialog = false;

      },
      submit() {
        if (this.$refs.form.validate()) {
          let imageData = new FormData();
          imageData.append("upload", this.imageFile);

          let create = {
            title: this.addNotification.title,

            description: this.addNotification.description

          };

          this.loading = true;

          http()
            .post("/createNotification", create)
            .then(response => {

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

              this.getNotifications();

              this.addNotificationDialog = false;

              this.clear();

              this.loading = false;

            })
            .catch(error => {

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

              this.loading = false;

            });
        }
      },

      clear() {
        this.$refs.form.reset();
      },
      save() {

        let imageData = new FormData();
        imageData.append("upload", this.imageFile);

        let editNotification = {

          notificationId: this.editedItem._id,
          title: this.editedItem.title,
          description: this.editedItem.description

        };

        this.editLoading = true;

        http()
          .put("/updateNotification", editNotification)
          .then(response => {

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

            this.getNotifications();

            this.close();
            this.editLoading = false;

          })
          .catch(error => {

            this.editLoading = false;
            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.getNotifications();

    }
  };

  </script>