<template>
    <v-app id="pages-dasboard">

      <v-tabs grow slider-color="gray">
        <v-tab
          ripple
          @click="activeTab('existing')"
          v-bind:class="{ active: isActive }"
          id="tab"
          class="subheading"
        >Existing Teacher Attendence</v-tab>
        <v-tab
          ripple
          @click="activeTab('new')"
          v-bind:class="{ active: newActive }"
          id="tab1"
          User
          class="subheading"
        >Add Teachers Attendence</v-tab>
        <v-tab-item>
          <!-- ****** EXISTING TACHERS-TABLE DATA****** -->
          <v-data-table
            :headers="headers"
            :items="desserts"
            :pagination.sync="pagination"
            :search="search"
          >
            <template slot="items" slot-scope="props">
              <td id="td" class="text-xs-center">{{ props.index + 1}}</td>
              <td id="td" class="text-xs-center">
                <v-avatar>
                  <img :src="props.item.profilePicUrl" v-if="props.item.profilePicUrl" />
                  <img src="/static/icon/user.png" v-else-if="!props.item.profilePicUrl" />
                </v-avatar>
              </td>
              <td id="td" class="text-xs-center">{{ props.item.name}}</td>
              <td id="td" class="text-xs-center">{{ props.item.email }}</td>
              <td id="td" class="text-xs-center">{{ props.item.mobileNo }}</td>
              <td class="text-xs-center">

                <router-link
                  :to="{ name:'ViewTeacherAttendence',params: { teacherId:props.item._id } }"
                >

                  <span>
                    <v-tooltip top>
                      <img
                        slot="activator"
                        style="cursor:pointer; width:25px; height:18px; "
                        class="mr5"
                        src="/static/icon/eye1.png"
                      />
                      <span>View</span>
                    </v-tooltip>
                  </span>
                </router-link>
              </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 Teachers Attendece****** -->
        <v-tab-item>
          <v-card flat>
            <v-flex xs12>

              <v-form ref="form" v-model="valid" lazy-validation>
                <v-layout wrap>
                  <v-flex xs12 md6>
                    <v-layout>
                      <v-flex xs4 sm4 md2>
                        <label class="title right mr-3 mt-4">Date:</label>
                      </v-flex>
                      <v-flex xs6>
                        <v-menu
                          ref="menu"
                          :close-on-content-click="false"
                          v-model="menu"
                          :nudge-right="40"
                          lazy
                          transition="scale-transition"
                          offset-y
                          full-width
                          min-width="290px"
                        >
                          <v-text-field
                            slot="activator"
                            v-model="date"
                            label="Select Date"
                            append-icon="event"
                            :rules="dataValid"
                            readonly
                          ></v-text-field>
                          <v-date-picker
                            ref="picker"
                            v-model="date"
                            :max="new Date().toISOString().substr(0, 10)"
                            min="1950-01-01"
                            @change="save"
                          ></v-date-picker>
                        </v-menu>
                      </v-flex>
                    </v-layout>
                  </v-flex>
                  <v-flex xs8 sm8 md6>
                    <v-btn class="right mt-3 black" dark round @click="showTable">Attendence</v-btn>
                  </v-flex>
                </v-layout>
              </v-form>

            </v-flex>
          </v-card>
          <v-flex xs12 v-show="attendeceTable">
            <v-data-table
              :headers="headers"
              :items="teachersData"
              :pagination.sync="pagination"
              :search="search"
            >
              <template slot="items" slot-scope="props">
                <td id="td" class="text-xs-center">{{ props.index + 1}}</td>
                <td id="td" class="text-xs-center">
                  <v-avatar>
                    <img :src="props.item.profilePicUrl" v-if="props.item.profilePicUrl" />
                    <img src="/static/icon/user.png" v-else-if="!props.item.profilePicUrl" />
                  </v-avatar>
                </td>
                <td id="td" class="text-xs-center">{{ props.item.name}}</td>
                <td id="td" class="text-xs-center">{{ props.item.email }}</td>
                <td id="td" class="text-xs-center">{{ props.item.mobileNo }}</td>
                <td class="text-xs-center">
                  <v-radio-group v-model="props.item.attendence" :mandatory="false" row>
                    <v-radio
                      v-for="attendences in attendenceType"
                      :key="attendences.value"
                      :label="`${attendences.label}`"
                      :value="attendences.value"
                    ></v-radio>
                  </v-radio-group>
                </td>
              </template>
            </v-data-table>
            <v-btn @click="submit()" class="right black" round dark>Submit</v-btn>
          </v-flex>
        </v-tab-item>
      </v-tabs>
      <v-snackbar
        :timeout="timeout"
        :top="y === 'top'"
        :right="x === 'right'"
        :vertical="mode === 'vertical'"
        v-model="snackbar"
        color="success"
      >{{ text }}</v-snackbar>

      <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 moment from "moment";
  
  export default {
    data: () => ({

      snackbar: false,
      y: "top",
      x: "right",
      mode: "",
      timeout: 3000,
      text: "",
      date: null,
      menu: false,
      attendeceTable: false,

      showLoader: false,

      loading: false,

      search: "",

      valid: true,
      isActive: true,
      newActive: false,

      dataValid: [v => !!v || "Date is required"],

      attendenceType: [
        {
          label: "Present",
          value: "present"
        },
        {
          label: "Late Present With Excuset",
          value: "latePresentWithExcuse"
        },
        {
          label: "Late Present",
          value: "latePresent"
        },
        {
          label: "Absent",
          value: "absent"
        }
      ],

      pagination: {
        rowsPerPage: 15
      },
      headers: [
        {
          text: "No",
          align: "center",
          sortable: false,
          value: "No"
        },
        {
          text: "Profile Pic",
          value: "profilePicUrl",
          sortable: false,
          align: "center"
        },
        { text: "Name", value: "name", sortable: false, align: "center" },
        { text: "Email", value: "email", sortable: false, align: "center" },

        {
          text: "Mobile No",
          value: "mobileNo",
          sortable: false,
          align: "center"
        },

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

      ],

      desserts: [],
      teachersData: [],
      addTeachers: {}

    }),

    watch: {
      menu(val) {
        val && this.$nextTick(() => (this.$refs.picker.activePicker = "DAY"));
      }
    },

    methods: {

      save(date) {
        this.$refs.menu.save(date);
      },
      showTable() {
        this.attendeceTable = true;
        this.getTeacherList();

      },
      getTeacherList() {
        this.showLoader = true;
        var token = this.$store.state.token;
        http()
          .get("/getTeachersList", {
            headers: { Authorization: "Bearer " + token }
          })
          .then(response => {

            this.teachersData = response.data.data;

            this.desserts = response.data.data;

            var attendence = "";
            for (let i = 0; i < this.teachersData.length; i++) {
              this.teachersData[i].attendence = "present";
            }

            this.showLoader = false;
            // console.log("getTeacherList=====>",this.desserts)
          })
          .catch(error => {
            this.showLoader = false;
            if (error.response.status === 401) {
              this.$router.replace({ path: "/" });
              this.$store.dispatch("setToken", null);
              this.$store.dispatch("Id", null);
            }
          });

      },
      activeTab(type) {
        switch (type) {
          case "existing":
            this.newActive = false;
            this.isActive = true;
            break;
  
          default:
            this.newActive = true;
            this.isActive = false;
            break;
        }
      },
      submit() {
        var teachersAttendence = [];
        for (var j = 0; j < this.teachersData.length; j++) {
          teachersAttendence.push({
            teacherId: this.teachersData[j]._id,
            attendanceType: this.teachersData[j].attendence
          });
        }

        if (this.$refs.form.validate()) {
          let attendanceData = {
            date: this.date,
            teachers: teachersAttendence
          };
          http()
            .post("/createTeacherAttendance", attendanceData)
            .then(response => {
              this.snackbar = true;
              this.text = response.data.message;
            })
            .catch(error => {
              this.snackbar = true;
              this.text = error.response.data.message;
            });
        }

      },
      clear() {
        this.$refs.form.reset();
        this.imageUrl = "";

      }
    },
    mounted() {
      this.getTeacherList();
    },
    created() {
      this.$root.$on("app:search", search => {
        this.search = search;
      });
    },
    beforeDestroy() {
      // dont forget to remove the listener
      this.$root.$off("app:search");
    }
  };
  </script>
  <style scoped>
  .active {
    background-color: gray;
    color: white !important;
  }
  .activebtn {
    color: black !important;
  }
  </style>