<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-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="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-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="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: ""
  }),
  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>