<template>

    <v-container fluid class="body-color">
      <!-- ****** EDIT EXAM ****** -->
      <v-dialog v-model="editExamDialog" max-width="600px" scrollable>
        <v-card flat class="card-style pa-2" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">Edit Exam</label>
              <v-icon size="24" class="right" @click="editExamDialog = false">cancel</v-icon>
            </v-flex>
          </v-layout>
          <v-card-text>
            <v-form ref="form">
              <v-container fluid>
                <v-layout wrap>
                  <v-flex xs12 sm12>

                    <v-layout>

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

                      </v-flex>

                      <v-flex xs7 class="ml-3">
                        <v-text-field
                          placeholder="fill your Serial Number"
                          v-model="editedItem.examName"
                          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">Date:</label>
                      </v-flex>
                      <v-flex xs7 class="ml-3">
                        <v-menu
                          ref="menu1"
                          :close-on-content-click="false"
                          v-model="menu1"
                          :nudge-right="40"
                          :return-value.sync="menu1"
                          lazy
                          transition="scale-transition"
                          offset-y
                          full-width
                          min-width="290px"
                        >
                          <v-text-field
                            slot="activator"
                            v-model="editedItem.date"
                            label="Select Date"
                            append-icon="event"
                            readonly
                          ></v-text-field>
                          <v-date-picker v-model="editedItem.date" @input="menu1 = false"></v-date-picker>
                        </v-menu>

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

                  </v-flex>
                  <v-flex xs12 sm12>

                    <v-layout>

                      <v-flex xs4 class="pt-4 subheading">
                        <label class="right">Note:</label>
                      </v-flex>
                      <v-flex xs7 class="ml-3">
                        <v-text-field
                          placeholder="fill your Serial Number"
                          v-model="editedItem.note"
                          type="text"
                        ></v-text-field>

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

                  </v-flex>
                </v-layout>
                <v-layout>
                  <v-flex xs12>
                    <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-layout>
              </v-container>
            </v-form>
          </v-card-text>
        </v-card>
      </v-dialog>

      <!-- ****** PROFILE VIEW PARTICULAR EXAM  ******  -->

      <v-dialog v-model="profileExamDialog" max-width="500px">
        <v-card flat class="card-style pa-3" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">View Exam</label>
              <v-icon size="24" class="right" @click="profileExamDialog = false">cancel</v-icon>
            </v-flex>
          </v-layout>
          <v-card-text>
            <v-container grid-list-md>
              <v-layout wrap>
                <v-flex>
                  <v-layout>
                    <v-flex xs6 sm4>
                      <h5 class="right my-1">
                        <b>Exam Name:</b>
                      </h5>
                    </v-flex>
                    <v-flex sm8 xs6>
                      <h5 class="my-1">{{ editedItem.examName }}</h5>

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

                  <v-layout>
                    <v-flex xs6 sm4>
                      <h5 class="right my-1">
                        <b>Date:</b>
                      </h5>

                    </v-flex>

                    <v-flex sm8 xs6>
                      <h5 class="my-1">{{ dates(editedItem.date) }}</h5>

                    </v-flex>

                  </v-layout>
                  <v-layout>
                    <v-flex xs6 sm4>
                      <h5 class="right my-1">
                        <b>Note:</b>
                      </h5>

                    </v-flex>

                    <v-flex sm8 xs6>
                      <h5 class="my-1">{{ editedItem.note }}</h5>
                    </v-flex>
                  </v-layout>
                </v-flex>
              </v-layout>
            </v-container>
          </v-card-text>
        </v-card>
      </v-dialog>
      <!-- ****** EXAM 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="addExamDialog = true"
        >
          <v-icon dark>add</v-icon>
        </v-btn>
        <v-btn
          round
          class="open-dialog-button hidden-sm-only hidden-xs-only"
          dark
          @click="addExamDialog = true"
        >
          <v-icon class="white--text pr-1" size="20">add</v-icon>Add Exam
        </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="examData"
        :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.examName}}</td>
            <td class="td td-row text-xs-center">{{ dates(props.item.date) }}</td>
            <td class="td td-row text-xs-center">{{ props.item.note}}</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 EXAM ****** -->

      <v-dialog v-model="addExamDialog" max-width="500px" v-if="addExamDialog">

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

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

            </v-flex>

          </v-layout>
          <v-form ref="form" v-model="valid" lazy-validation>
            <v-container fluid>
              <v-flex xs12>
                <v-layout>
                  <v-flex xs4 class="pt-4 subheading">
                    <label class="right hidden-xs-only">Exam Name:</label>
                    <label
                      class="right hidden-sm-only hidden-md-only hidden-lg-only hidden-xl-only"
                    >ExamName:</label>
                  </v-flex>
                  <v-flex xs8 sm7 class="ml-3">
                    <v-text-field
                      placeholder="fill your Exam Name"
                      :rules="authorRules"
                      v-model="addExam.examName"
                    ></v-text-field>
                  </v-flex>
                </v-layout>
              </v-flex>
              <v-flex xs12>
                <v-layout>
                  <v-flex xs4 class="pt-4 subheading">
                    <label class="right">Date:</label>
                  </v-flex>
                  <v-flex xs8 sm7 class="ml-3">
                    <v-menu
                      ref="menu2"
                      :close-on-content-click="false"
                      v-model="menu2"
                      :nudge-right="40"
                      :return-value.sync="addExam.date"
                      lazy
                      transition="scale-transition"
                      offset-y
                      full-width
                      min-width="290px"
                    >
                      <v-text-field
                        slot="activator"
                        v-model="addExam.date"
                        :rules="examDateRules"
                        label="Select Date"
                        append-icon="event"
                        readonly
                      ></v-text-field>
                      <v-date-picker v-model="addExam.date" @input="$refs.menu2.save(addExam.date)"></v-date-picker>
                    </v-menu>
                  </v-flex>
                </v-layout>
              </v-flex>
              <v-flex xs12>
                <v-layout>
                  <v-flex xs4 class="pt-4 subheading">
                    <label class="right">Note:</label>
                  </v-flex>
                  <v-flex xs8 sm7 class="ml-3">

                    <v-text-field placeholder="fill your Note" v-model="addExam.note"></v-text-field>

                  </v-flex>
                </v-layout>
              </v-flex>
              <v-layout>
                <v-flex xs12>
                  <v-card-actions>
                    <v-spacer class="hidden-xs-only"></v-spacer>
                    <v-btn @click="clear" round dark class="clear-button">clear</v-btn>
                    <v-btn @click="submit" round dark :loading="loading" class="add-button">Add</v-btn>
                  </v-card-actions>
                </v-flex>
              </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 moment from "moment";
  
  export default {
    data: () => ({
      snackbar: false,
      date: null,
      menu1: false,
      menu2: false,
      color: "",
      y: "top",
      x: "right",
      mode: "",
      timeout: 10000,
      text: "",
      libraryId: "",

      show: true,
      showSearch: false,
      addExamDialog: false,

      loading: false,
      loadingSearch: false,
      date: null,
      search: "",
      showLoader: false,

      editExamDialog: false,
      profileExamDialog: false,

      valid: true,

      pagination: {

        rowsPerPage: 10,

      },

      libraryIDRules: [(v) => !!v || " Library ID is required"],
      bookRules: [(v) => !!v || " book Name is required"],
      authorRules: [(v) => !!v || "Author Name is required"],
      subjectCodeRules: [(v) => !!v || "Subject Code is required"],
      authorRules: [(v) => !!v || "Author is required"],
      examDateRules: [(v) => !!v || "Date is required"],

      headers: [
        {

          align: "",

          text: "No",
          sortable: false,

          value: "No",

        },
        { text: "Exam Name", vaue: "examName", sortable: false, align: "center" },
        {
          text: "Date",
          value: "date",
          sortable: false,

          align: "center",

        },
        {
          text: "Note",
          value: "note",
          sortable: false,

          align: "center",

        },

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

      ],
      examData: [],
      addExam: {},
      editedItem: {},

      token: "",

    }),

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

    methods: {

      dates: function (date) {

        return moment(date).format("MMMM DD, YYYY");
      },
      pickFile() {
        this.$refs.image.click();
      },
      getExamList() {
        this.showLoader = true;
        this.loadingSearch = true;
        http()
          .get("/getExamsList", {

            headers: { Authorization: "Bearer " + this.token },

          })

          .then((response) => {

            this.examData = response.data.data;
            this.showLoader = false;
            this.loadingSearch = false;
          })

          .catch((error) => {

            // console.log("err====>", err);
            this.showLoader = false;
            this.loadingSearch = false;
            this.snackbar = true;
            this.text = error.response.data.message;
            if (error.response.status === 401) {
              this.$router.replace({ path: "/" });
              this.$store.dispatch("setToken", null);
              this.$store.dispatch("Id", null);
            }
          });
      },
      editItem(item) {

        this.editedIndex = this.examData.indexOf(item);
        this.editedItem = Object.assign({}, item);
        this.editedItem.date =
          this.editedItem.date != undefined
            ? (this.editedItem.date = this.editedItem.date.substring(0, 10))
            : (this.editedItem.date = "");

        this.editExamDialog = true;

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

        this.profileExamDialog = true;

      },

      deleteItem(item) {

        let Exam = {

          examId: item._id,

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

              params: Exam,

            }
          )

          .then((response) => {

            this.snackbar = true;
            this.text = "Successfully Delete Exam ";

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

            this.getExamList();
          })

          .catch((error) => {

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

            this.color = "red";

          });
      },

      close() {

        this.editExamDialog = false;

      },
      submit() {

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

          this.loading = true;

          http()
            .post("/createExam", this.addExam)

            .then((response) => {

              this.snackbar = true;

              this.text = response.data.message;
              this.color = "green";
              this.addExamDialog = false;

              this.getExamList();

              this.color = "success";

              this.loading = false;
              this.clear();
            })

            .catch((error) => {

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

            });
        }
      },
      clear() {
        this.$refs.form.reset();
        this.disable = false;
      },
      save() {
        this.editedItem.examId = this.editedItem._id;
        http()
          .put("/updateExam", this.editedItem)

          .then((response) => {

            this.snackbar = true;

            this.text = response.data.message;

            this.color = "green";
            this.getExamList();
            this.close();
          })

          .catch((error) => {

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

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

      },

    },
    mounted() {
      this.token = this.$store.state.token;
      this.getExamList();

    },

  };

  </script>