<template>

    <v-container fluid class="body-color">
      <!-- ****** EDIT  ClASS  ****** -->

      <v-dialog v-model="editClassDialog" max-width="400px" persistent>

        <v-card flat class="card-style pa-2" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">Edit Class</label>
              <v-icon size="24" class="right" @click="editClassDialog = false">cancel</v-icon>

            </v-flex>

          </v-layout>
          <v-container fluid>
            <v-layout justify-center>
              <v-flex xs12 sm12>
                <v-flex xs12>
                  <v-text-field v-model="editedItem.classNum" @keyup.enter="save" :rules="nameRules"></v-text-field>
                </v-flex>
                <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-container>
        </v-card>
      </v-dialog>

      <!-- ****** PROFILE VIEW STUDENTS ******  -->

      <v-dialog v-model="profileClassDialog" max-width="400px" persistent>

        <v-card flat class="card-style pa-3" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">View Class</label>
              <v-icon size="24" class="right" @click="profileClassDialog = false">cancel</v-icon>
            </v-flex>
          </v-layout>

          <v-card-text>

            <v-container grid-list-md>
              <v-layout wrap>
                <v-flex xs6 sm6>
                  <h5 class="right my-1 subheading">
                    <b>Class Name:</b>
                  </h5>
                </v-flex>
                <v-flex sm6 xs6>
                  <h5 class="my-1">{{ editedItem.classNum }}</h5>
                </v-flex>
              </v-layout>
            </v-container>
          </v-card-text>
        </v-card>
      </v-dialog>

      <!-- ****** Class 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="addClassDialog = true"
        >
          <v-icon dark>add</v-icon>
        </v-btn>
        <v-btn
          round
          class="open-dialog-button hidden-sm-only hidden-xs-only"
          dark
          @click="addClassDialog = true"
        >
          <v-icon class="white--text pr-1" size="20">add</v-icon>Add Class
        </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-if="showSearch">

          <v-layout>

            <v-text-field
              autofocus
              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="classList"
        :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="text-xs-center td td-row">{{ props.item.classNum}}</td>
            <td class="text-xs-center td td-row">
              <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>

      <!-- DIALOG BOX - ADD Class  -->

      <v-dialog v-model="addClassDialog" max-width="400px" v-if="addClassDialog" persistent>

        <v-card flat class="card-style pa-2" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">Add Class</label>

              <v-icon
                size="24"
                class="right"
                @click="$refs.form.reset();addClassDialog = false"
              >cancel</v-icon>

            </v-flex>
          </v-layout>
          <v-container fluid fill-height>
            <v-layout align-center>
              <v-flex xs12>
                <v-form ref="form" v-model="valid" lazy-validation>
                  <v-flex xs12 class="headline text-xs-center">
                    <label>Class</label>
                  </v-flex>
                  <v-flex xs12>
                    <v-text-field
                      v-model="addclasses.classNum"
                      placeholder="fill your class Name"
                      type="text"
                      :rules="nameRules"
                      required
                    ></v-text-field>
                  </v-flex>
                  <v-layout>
                    <v-flex xs12 sm12>
                      <v-card-actions>
                        <v-spacer></v-spacer>
                        <v-btn
                          @click="submit"
                          class="add-button"
                          round
                          dark
                          :loading="loading"
                        >Add Class</v-btn>
                        <v-spacer></v-spacer>
                      </v-card-actions>

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

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

          </v-container>

        </v-card>
      </v-dialog>

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

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

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

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

      timeout: 5000,

      text: "",

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

      showLoader: false,

      loading: false,

      addClassDialog: false,

      search: "",

      editClassDialog: false,
      profileClassDialog: false,

      valid: true,

      pagination: {

        rowsPerPage: 10,

      },

      nameRules: [(v) => !!v || " Class Name is required"],

      headers: [
        {
          text: "No",

          align: "left",

          sortable: false,

          value: "No",

        },

        { text: "Class No", value: "classNum", sortable: false, align: "center" },

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

      ],

      classList: [],

      editedIndex: -1,
      editedItem: {

        classNum: "",

      },

      addclasses: {

        classNum: "",
      },

    }),

    watch: {
      addClassDialog: function (val) {
        if (!val) {
          this.addclasses = [];
        }
      },
    },

    methods: {
      getClassList() {

        this.showLoader = true;

        var token = this.$store.state.token;
        http()

          .get("/getClassesList")

          .then((response) => {

            this.classList = 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.classList.indexOf(item);

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

        this.editClassDialog = true;

      },
      profile(item) {

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

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

        this.profileClassDialog = true;

      },
      deleteItem(item) {
        let deleteStudent = {

          classId: item._id,

        };
        http()
          .delete(
            "/deleteClass",
            confirm("Are you sure you want to delete this?") && {

              params: deleteStudent,

            }
          )

          .then((response) => {

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

            this.getClassList();
          })

          .catch((error) => {

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

          });
      },

      close() {

        this.editClassDialog = false;

      },

      closeProfile() {
        this.profileClassDialog = false;

      },
      submit() {
        if (this.$refs.form.validate()) {
          let addClass = {

            classNum: this.addclasses.classNum,

          };

          this.loading = true;

          http()
            .post("/createClass", addClass)

            .then((response) => {

              this.getClassList();

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

              this.color = "green";

              // this.clear();

              this.loading = false;

              this.$refs.form.reset();

              this.addClassDialog = false;

            })

            .catch((error) => {

              this.loading = false;

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

            });
        }
      },

      clear() {
        this.$refs.form.reset();
      },
      save() {
        let editClass = {
          classId: this.editedItem._id,

          classNum: this.editedItem.classNum,

        };
        http()
          .put("/updateClass", editClass)

          .then((response) => {

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

            this.getClassList();

            this.close();

          })

          .catch((error) => {

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

            // console.log(error);
          });

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

      },

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

    },

    // created() {
    //   this.$root.$on("app:search", search => {
    //     this.search = search;
    //   });
    // },
    // beforeDestroy() {
    //   // dont forget to remove the listener
    //   this.$root.$off("app:search");
    // }

  };
  </script>

  <style>

  </style>