<template>
    <v-app id="pages-dasboard">
      <v-toolbar class="fixcolors"  fixed app>
        <v-toolbar-title class="ml-0 pl-3">
          <v-toolbar-side-icon @click.stop="handleDrawerToggle" class="hide"></v-toolbar-side-icon>
        </v-toolbar-title>
  
        <!-- ****** SEARCH ALL EXISTING STUDENTS ****** -->
        <v-flex xs7 sm3 class="userSearch">
          <v-text-field
            flat
            append-icon="search"
            label="Find your Class"
            v-model="search"
            color="white"
            dark
          ></v-text-field>
        </v-flex>
        <v-spacer></v-spacer>
        <v-menu offset-y origin="center center" :nudge-bottom="10" transition="scale-transition">
          <v-btn icon large flat slot="activator">
            <v-avatar size="40px">
              <img src="/static/icon/user.png">
            </v-avatar>
          </v-btn>
          <v-list class="pa-0">
            <v-list-tile
              v-for="(item,index) in items"
              :to="!item.href ? { name: item.name } : null"
              :href="item.href"
              @click="item.click"
              ripple="ripple"
              :disabled="item.disabled"
              :target="item.target"
              rel="noopener"
              :key="index"
            >
              <v-list-tile-action v-if="item.icon">
                <v-icon>{{ item.icon }}</v-icon>
              </v-list-tile-action>
              <v-list-tile-content>
                <v-list-tile-title>{{ item.title }}</v-list-tile-title>
              </v-list-tile-content>
            </v-list-tile>
          </v-list>
        </v-menu>
      </v-toolbar>
      <v-tabs grow slider-color="black">
        <v-tab
          ripple
          @click="activeTab('existing')"
          v-bind:class="{ active: isActive }"
          id="tab"
          class="subheading"
        >Existing Class</v-tab>
        <v-tab
          ripple
          @click="activeTab('new')"
          v-bind:class="{ active: newActive }"
          id="tab1"
          User
          class="subheading"
        >Add New Class</v-tab>
  
        <!-- ****** EDITS  ADD ClASS  ****** -->
        <v-tab-item>
          <v-snackbar
            :timeout="timeout"
            :top="y === 'top'"
            :right="x === 'right'"
            :vertical="mode === 'vertical'"
            v-model="snackbar"
            color="success"
          >{{ text }}</v-snackbar>
          <v-dialog v-model="dialog" max-width="500px">

            <v-toolbar color="grey lighten-2">

              <v-spacer></v-spacer>

              <v-toolbar-title><h3>Edit Class</h3></v-toolbar-title>

              <v-spacer></v-spacer>
            </v-toolbar>
            <v-card>
              <v-card-text>
                <v-container>
                  <v-layout wrap justify-center>
                    <v-flex xs12 sm9>
                      <v-form ref="form" v-model="valid" lazy-validation>
                        <v-layout style="position:relative;">
                          <v-flex xs4 class="pt-4 subheading">

                            <label>Class:</label>

                          </v-flex>
                          <v-flex xs8>

                            <v-autocomplete

                              v-model="editedItem.classNum"

                              :placeholder ="editedItem.classNum"
                              :items = "classList"

                              :rules="nameRules"

                            ></v-autocomplete>

                          </v-flex>
                        </v-layout>
                        <v-card-actions>
                          <v-btn round dark @click.native="close">Cancel</v-btn>
                          <v-spacer></v-spacer>
                          <v-btn round dark @click="save">Save</v-btn>
                        </v-card-actions>
                      </v-form>
                    </v-flex>
                  </v-layout>
                </v-container>
              </v-card-text>
            </v-card>
          </v-dialog>
  
          <!-- ****** PROFILE VIEW STUDENTS ******  -->
          <v-dialog v-model="dialog1" max-width="600px">

            <v-toolbar color="grey lighten-2">

              <v-spacer></v-spacer>

              <v-toolbar-title><h3>Class Profile</h3></v-toolbar-title>

              <v-spacer></v-spacer>
              <v-icon @click="close1">close</v-icon>
            </v-toolbar>
            <v-card>
              <v-flex align-center justify-center layout text-xs-center>
                <v-avatar size="50px" style="position:absolute; top:20px;">
                  <img src="/static/icon/user.png">
                </v-avatar>
              </v-flex>
              <v-card-text>
                <v-container grid-list-md>
                  <v-layout wrap>
                    <v-flex>
                      <br>
                      <br>
                      <v-layout>
                        <v-flex xs5 sm6>
                          <h5 class="right my-1">Class Name:</h5>
                        </v-flex>
                        <v-flex sm6 xs8>
                          <h5 class="my-1">{{ editedItem.classNum }}</h5>
                        </v-flex>
                      </v-layout>
                    </v-flex>
                  </v-layout>
                </v-container>
              </v-card-text>
            </v-card>
          </v-dialog>
  
          <v-snackbar
            :timeout="timeout"
            :top="y === 'top'"
            :right="x === 'right'"
            :vertical="mode === 'vertical'"
            v-model="snackbar"
            color="success"
          >{{ text }}</v-snackbar>
  
          <!-- ****** EXISTING-USERS Classess Table ****** -->
          <v-data-table
            :headers="headers"
            :items="desserts"
            :pagination.sync="pagination"
            :search="search"
          >
            <template slot="items" slot-scope="props">

              <td>{{ props.index}}</td>
              <td class="text-xs-center">{{ props.item.classNum}}</td>

              <td class="text-xs-center">
                <span>
                  <img
                    style="cursor:pointer; width:25px; height:18px; "
                    class="mr-5"
                    @click="profile(props.item)"
                    src="/static/icon/eye1.png"
                  >
                  <img
                    style="cursor:pointer; width:20px; height:18px; "
                    class="mr-5"
                    @click="editItem(props.item)"
                    src="/static/icon/edit1.png"
                  >
                  <img

                    style="cursor:pointer; width:20px; height:20px; "

                    class="mr-5"
                    @click="deleteItem(props.item)"
                    src="/static/icon/delete1.png"
                  >
                </span>
              </td>
            </template>
             <v-alert
              slot="no-results"
              :value="true"
              color="error"
              icon="warning"
            >Your search for "{{ search }}" found no results.</v-alert>
          </v-data-table>
        </v-tab-item>
  
        <!-- ****** ADD multiple Classess ****** -->
        <v-tab-item>
          <v-container>
            <v-snackbar
              :timeout="timeout"
              :top="y === 'top'"
              :right="x === 'right'"
              :vertical="mode === 'vertical'"
              v-model="snackbar"
              color="success"
            >{{ text }}</v-snackbar>
            <v-flex xs12 sm8 offset-sm2 class="top">
              <v-card flat>
                <v-container fluid fill-height>
                  <v-layout align-center>

                    <v-flex xs12 class="mt-4">

                      <v-form ref="form" v-model="valid" lazy-validation>
                        <v-layout>
                          <v-flex xs4 class="pt-4 subheading">

                            <label class="right">Class :</label>

                          </v-flex>
                          <v-flex xs6 class="ml-3">

                            <v-autocomplete

                              v-model="addclasses.classNum"
                              placeholder="fill your class Name"

                              type="text"

                              :items="classList"

                              :rules="nameRules"
                              required

                            ></v-autocomplete>

                          </v-flex>
                        </v-layout>
                        <v-layout>
                          <v-flex xs12 sm9 offset-sm2>
                            <v-card-actions>

                              <v-spacer></v-spacer>
                              <v-btn @click="submit" round dark :loading="loading">Add</v-btn>

                              <v-spacer></v-spacer>

                            </v-card-actions>
                          </v-flex>
                        </v-layout>
                      </v-form>
                    </v-flex>
                  </v-layout>
                </v-container>
              </v-card>
            </v-flex>
          </v-container>
        </v-tab-item>
      </v-tabs>

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

    </v-app>
  </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: "",

      showLoader:false,

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

      dialog: false,
      dialog1: false,
      valid: true,
      isActive: true,
      newActive: false,
      AddUsercredentials: {},
      pagination: {
        rowsPerPage: 15
      },

      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" }
      ],
      desserts: [],

      classList:[
      "1",
      "2",
      "3",
      "4",
      "5",
      "6",
      "7",
      "8",
      "9",
      "10",
      "11",
      "12"
      ],

      editedIndex: -1,
      editedItem: {
        classNum: ""
      },
      addclasses:{
        classNum: ""
      },
      defaultItem: {
        classNum: ""
      },
      items: [
        {
          href: "/changepassword",
          title: "Change Password",
          click: e => {
            console.log(e);
          }
        },
        {
          href: "#",
          title: "Logout",
          click: e => {
            window.getApp.$emit("APP_LOGOUT");
          }
        }
      ]
    }),

    methods: {
      getClassList() {

        this.showLoader = true;

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

          .get("/getClassesList")

          .then(response => {
            this.desserts = response.data.data;

            this.showLoader = false;

            // console.log("getClassList=====>", response);

          })
          .catch(err => {

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

            this.showLoader = false;

            this.$router.replace({ path: "/" });
          });
      },
      editItem(item) {
        this.editedIndex = this.desserts.indexOf(item);
        this.editedItem = Object.assign({}, item);
        this.dialog = true;
      },
      profile(item) {
        this.editedIndex = this.desserts.indexOf(item);
        this.editedItem = Object.assign({}, item);
        this.dialog1 = true;
      },
      deleteItem(item) {
        let deleteStudent = {
          classId: item._id
        };
        http()
          .delete(
            "/deleteClass",
            confirm("Are you sure you want to delete this?") && {
              params: deleteStudent
            }
          )
          .then(response => {
            // console.log("deleteUers",deleteStudent)
            if ((this.snackbar = true)) {

              this.text = "Successfully delete Existing Class";

            }
            this.getClassList();
          })
          .catch(error => {
            // console.log(error);
          });
      },
      activeTab(type) {
        switch (type) {
          case "existing":
            this.newActive = false;
            this.isActive = true;
            break;
  
          default:
            this.newActive = true;
            this.isActive = false;
            break;
        }
      },
      close() {
        this.dialog = false;
        setTimeout(() => {
          this.editedItem = Object.assign({}, this.defaultItem);
          this.editedIndex = -1;
        }, 300);
      },
      close1() {
        this.dialog1 = false;
      },
      submit() {
        if (this.$refs.form.validate()) {
          let addClass = {
            classNum: this.addclasses.classNum
          };
          console.log(addClass);

          this.loading = true;

          http()
            .post("/createClass", addClass)
            .then(response => {
              this.getClassList();
              if ((this.snackbar = true)) {

                this.text = "New class added successfully";

              }

              this.clear();

              this.loading = false;

            })
            .catch(error => {
              // console.log(error);

              this.loading = false;

              if ((this.snackbar = true)) {
                this.text = error.response.data.message;
              }
            });
        }
      },
      mail() {},
      download() {},
      clear() {
        this.$refs.form.reset();
      },
      save() {
        let editClass = {
          classId: this.editedItem._id,
          classNum: this.editedItem.classNum
        };
        http()
          .put("/updateClass", editClass)
          .then(response => {
            console.log("editClass", editClass);
            if ((this.snackbar = true)) {

              this.text = "Successfully Edit Existing Class";

            }
            this.getClassList();
          })
          .catch(error => {
            // console.log(error);
          });
        this.close();
      },
      handleDrawerToggle() {
        window.getApp.$emit("APP_DRAWER_TOGGLED");
      },
      handleFullScreen() {
        Util.toggleFullScreen();
      }
    },
    mounted() {
      this.getClassList();

    },
    computed: {
      toolbarColor() {
        return this.$vuetify.options.extra.mainNav;
      }
    }
  };
  </script>

  <style>

  .v-tabs__div {
    text-transform: none;
  }
  .v-input__prepend-outer {
    margin-right: 0px !important;
  }
  .v-card__actions .v-btn {
    margin: 0 15px;
    min-width: 120px;
  }
  .primary {
    background-color: #aaa !important;
    border-color: #aaa !important;
  }
  h4 {
    background-repeat: no-repeat;
    padding: 8px;
    margin: auto;
    font-size: 25px;
  }
  #name {
    position: absolute;
    left: 100px;
    top: 17px;
  }
  #icon {
    position: absolute;
    right: 8px;
    top: 8px;
  }
  #m {
    position: relative;
    left: 135px;
    top: -15px;
  }
  #G {
    position: absolute;
    top: 38px;
    color: white;
  }
  #bt {
    position: relative;
    top: -20px;
    left: 115px;
  }
  #e {
    position: relative;
    top: 5px;
    right: -30px;
    height: 17px;
    cursor: pointer;
  }
  #d {
    position: relative;
    top: 5px;
    right: -70px;
    height: 17px;
    cursor: pointer;
  }

  #indexId{
    padding: 0 0px !important;
  }

  #td {
    border: 1px solid #dddddd;
    text-align: left;
    padding: 8px;
  }
  #dialog {
    height: 550px;
  }
  .active {
    background-color: black;
    color: white !important;
  }
  .activebtn {
    color: black !important;
  }
  #flex {
    height: 300px;
  }
  .top {
    margin-top: 100px;
  }
  .v-tabs__item a {
    font-size: 16px !important;
  }
  @media screen and (max-width: 769px) {
    .top {
      margin-top: 0 !important;
    }
    .userSearch .v-icon {
      font-size: 20px !important;
      margin-left: 20px;
    }
  }
  @media screen and (max-width: 380px) {

    .pl-3 {
      padding-left: 0px !important;
    }

    .right {
      float: none !important;
    }
    .subheading {
      font-size: 14px !important;
    }
    .v-card__actions .v-btn {
      margin: 0 0px;
      min-width: 100px;
    }
    .subheading {
      font-size: 12px !important;
    }
    h5 {
      font-size: 13px;
    }
  }
  .v-icon {
    font-size: 30px;
  }
  @media screen and (min-width: 1270px) {
    .hide {
      display: none;
    }
  }
  @media screen and (max-width: 420px) {
    .userSearch .v-text-field .v-label {
      line-height: 24px !important;
    }
    .userSearch .v-label {
      font-size: 13px !important;
    }
    .v-list__tile {
      font-size: 14px;
      padding: 0 10px;
    }
    .name {
      font-size: 15px;
    }
  }
  </style>