<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 Subjects ****** -->

        <v-flex xs7 sm3 class="userSearch">
          <v-text-field
            flat
            append-icon="search"

            label="Find your Subject"

            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 Subjects</v-tab>

        <v-tab
          ripple
          @click="activeTab('new')"
          v-bind:class="{ active: newActive }"
          id="tab1"
          User
          class="subheading"

        >Add New Subject</v-tab>

        <!-- ****** EDIT  Subject ****** -->

  
        <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="600px">
            <v-flex xs12 sm12 class>

              <v-toolbar color="v-toolbar">

                <v-spacer></v-spacer>

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

                <v-spacer></v-spacer>
              </v-toolbar>
              <v-card flat>
                <v-form ref="form">
                  <v-container fluid>
                    <v-layout>

                      <v-flex xs4 class="pt-4 subheading">
                        <label class="right">Class:</label>
                      </v-flex>
                      <v-flex xs6 class="ml-3">
                        <v-select
                          :items="classList"
                          label="Select Class"
                          v-model="addSubject.selectName"
                          item-text="classNum"
                          item-value="_id"
                          name="Select Class"
                          :rules="nameRules"
                          required
                        ></v-select>

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

                      <v-flex xs4 class="pt-4 subheading">
                        <label class="right">Subject:</label>
                      </v-flex>
                      <v-flex xs6 class="ml-3">
                        <v-text-field
                          placeholder="fill your Subject"
                          v-model="editedItem.subjectName"
                          type="text"
                          name="email"
                          required
                        ></v-text-field>

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

                    <v-flex xs12 sm9 offset-sm2>
                      <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-flex>

                  </v-container>
                </v-form>
              </v-card>
            </v-flex>
          </v-dialog>

          <!-- ****** VIEW PROFIL NOTICE BOARD ******  -->

  
          <v-dialog v-model="dialog1" max-width="600px">

            <v-toolbar color="v-toolbar">

              <v-spacer></v-spacer>

              <v-toolbar-title>
                <h3>Subject</h3>
              </v-toolbar-title>

              <v-spacer></v-spacer>
              <v-icon @click="close1">close</v-icon>
            </v-toolbar>
            <v-card>

              <v-card-text>
                <v-container grid-list-md>
                  <v-layout wrap>
                    <v-flex>

                      <v-layout>
                        <v-flex xs5 sm6>

                          <h5 class="right my-1">
                            <b>Subject Name:</b>
                          </h5>

                        </v-flex>
                        <v-flex sm6 xs8>

                          <h5 class="my-1">{{ editedItem.subjectName }}</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 SUBJECTS TABLE ****** -->
          <v-card flat>
            <v-card-actions>
              <v-layout>
                <v-flex xs1>
                  <label class="right mt-4">Select Class:</label>
                </v-flex>
                <v-flex xs3>
                  <v-select
                    :items="classList"
                    label="Select Class"
                    v-model="addSubject.selectName"
                    item-text="classNum"
                    item-value="_id"
                    name="Select Class"
                    :rules="nameRules"
                    @change="getClassSubject(addSubject.selectName)"
                    class="px-4"
                    required
                  ></v-select>
                </v-flex>
              </v-layout>
            </v-card-actions>
          </v-card>

          <v-data-table
            :headers="headers"

            :items="subjectList.subjects"

            :pagination.sync="pagination"
            :search="search"
          >
            <template slot="items" slot-scope="props">
              <td id="td" class="text-xs-center">{{ props.index}}</td>

              <td id="td" class="text-xs-center">{{ props.item.subjectName}}</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 Subject ****** -->

  
        <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>
                      <v-form ref="form" v-model="valid" lazy-validation>
                        <v-layout>
                          <v-flex
                            xs12
                            class="text-xs-center text-sm-center text-md-center text-lg-center my-4 mr-4"
                          >
                            <v-avatar size="100px">

                              <img src="/static/icon/user.png" />

                            </v-avatar>

                          </v-flex>
                        </v-layout>
                        <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="addSubject.classId"
                              placeholder="fill your class Name"

                              type="text"

                              :items="classList"
                              item-text="classNum"
                              item-value="_id"
                              :rules="nameRules"

                              required

                            ></v-autocomplete>

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

                        <v-layout>

                          <v-flex xs4 class="pt-4 subheading">

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

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

                              v-model="addSubject.subjectName"

                              placeholder="fill your Subject Name"

                              name="name"
                              type="text"

                              :rules="subjectRules"

                              required
                            ></v-text-field>
                          </v-flex>
                        </v-layout>
                        <v-layout>
                          <v-flex xs12 sm9 offset-sm2>
                            <v-card-actions>
                              <v-btn @click="clear" round dark>clear</v-btn>
                              <v-spacer></v-spacer>
                              <v-btn @click="submit" round dark :loading="loading">Add</v-btn>
                            </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,

      gender: ["Male", "Female"],

      pagination: {

        rowsPerPage: 19

      },

      // imageName: "",
      // imageUrl: "",
      // imageFile: "",
      // upload: "",
      token: "",
      nameRules: [v => !!v || " Class Name is required"],
      subjectRules: [v => !!v || " Subject Name is required"],

      headers: [
        {
          text: "No",
          align: "center",
          sortable: false,
          value: "No"
        },

        {

          text: "Subject Name",
          value: "subjectName",

          sortable: false,
          align: "center"
        },

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

      subjectList: [],
      classList: [],

      editedIndex: -1,

      addSubject: {},
      selectClassId: "",

      editedItem: {

        subjectName: ""

      },

      userName: "",
      items: [
        {
          href: "/changepassword",
          title: "Change Password",
          click: e => {
            console.log(e);
          }
        },
        {
          href: "#",
          title: "Logout",
          click: e => {
            window.getApp.$emit("APP_LOGOUT");
          }
        }
      ]
    }),

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

      editItem(item) {

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

        console.log("this.editedItem._id", this.editedItem._id);

        this.dialog = true;
      },
      profile(item) {

        this.editedItem = Object.assign({}, item);
        this.dialog1 = true;
      },
      deleteItem(item) {

        let deleteSubject = {
          classId: this.addSubject.selectName,
          subjectId: item._id

        };
        http()
          .delete(

            "/deleteSubject",

            confirm("Are you sure you want to delete this?") && {

              params: deleteSubject

            }
          )
          .then(response => {

            if ((this.snackbar = true)) {

              this.text = "Successfully delete Existing Subject";

            }
            this.getEventList();
          })
          .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()) {

          http()

            .post("/addSubject", this.addSubject)

            .then(response => {

              if ((this.snackbar = true)) {

                this.text = "New Subject added successfully";

              }

              this.clear();
            })
            .catch(error => {
              // console.log(error);
              if ((this.snackbar = true)) {
                this.text = error.response.data.message;
              }
            });
        }
      },
      mail() {},
      download() {},
      clear() {
        this.$refs.form.reset();
      },
      save() {

        let editSubject = {
          classId: this.addSubject.selectName,
          subjectId: this.editedItem._id,
          subjectName: this.editedItem.subjectName

        };
        http()

          .put("/updateSubject", editSubject)

          .then(response => {
            // console.log("editEvent",editEvent);
            if ((this.snackbar = true)) {

              this.text = "Successfully Edit Existing Subject";

            }

            //   this.getClassSubject();
            http()
              .get(
                "/getParticularClass",
                { params: { classId: this.selectClassId } },
                {
                  headers: { Authorization: "Bearer " + this.token }
                }
              )
              .then(response => {
                this.subjectList = response.data.data;
              })
              .catch(err => {
                console.log("err====>", err);
              });

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

      },
      getClassSubject(id) {
        this.selectClassId = id;
        http()
          .get(
            "/getParticularClass",
            { params: { classId: this.selectClassId } },
            {
              headers: { Authorization: "Bearer " + this.token }
            }
          )
          .then(response => {
            this.subjectList = response.data.data;
          })
          .catch(err => {
            console.log("err====>", err);
          });
      },
      getClass() {
        http()
          .get("/getClassesList", {
            headers: { Authorization: "Bearer " + this.token }
          })
          .then(response => {
            this.classList = response.data.data;
          })
          .catch(err => {
            // console.log("err====>", err);
            this.$router.replace({ path: "/" });
          });

      }
    },
    mounted() {

      this.token = this.$store.state.token;
      // this.getNoticeDataList();
      this.getClass();

    },
    computed: {
      toolbarColor() {
        return this.$vuetify.options.extra.mainNav;
      }
    }
  };
  </script>
  <style scoped>
  .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;
  }
  #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;
    }
    /* .searchIcon .v-icon {
      font-size: 20px;
      margin-left: 20px;
  } */
    .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: 962px) {
  .imglogo{
      position: absolute;
      top: 13px;
      left: 13px !important;
      width: 70px;
      height: 24px;
  } */
  }
  @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>