<template>

    <v-container fluid class="body-color">

      <!-- ****** Edit INVOICE ****** -->
      <v-dialog v-model="editInvoiceDialog">
        <v-card flat class="text-xs-center white--text">
          <v-layout>
            <v-flex xs12 class="card-styles pa-2">
              <label class="title text-xs-center">Edit Invoice</label>
              <v-icon size="24" class="right white--text" @click="editInvoiceDialog = false">cancel</v-icon>
            </v-flex>
          </v-layout>

          <editInvoice :editData="editData" @update-editInvoice="updateDoneInvoice" />

        </v-card>
      </v-dialog>
  
      <!-- ****PAYMENT INVOICE DIALOG -->
      <v-dialog v-model="paymentInvoiceDialog">
        <v-card flat class="text-xs-center white--text">
          <v-layout>
            <v-flex xs12 class="card-styles pa-2">
              <label class="title text-xs-center">Payment Template</label>
              <v-icon size="24" class="right white--text" @click="paymentInvoiceDialog = false">cancel</v-icon>
            </v-flex>
          </v-layout>

          <paymentTemplate :editPayment="editPayment" @update-Payment="updatePayment" />

        </v-card>
      </v-dialog>
  
      <!-- ****** PROFILE VIEW SECTION DATA ******  -->

      <v-dialog v-model="dialog1" max-width="800px">
        <v-card flat class="text-xs-center white--text">
          <v-layout>
            <v-flex xs12 class="card-style pa-2">
              <label class="title text-xs-center">View Payments</label>
              <v-icon size="24" class="right" color="white" @click="dialog1 = false">cancel</v-icon>
            </v-flex>
          </v-layout>

          <table class="feeTypeTable tableRsponsive">

            <tr style="color: black">
              <th>#</th>
              <th>Date</th>
              <th>Paid By</th>
              <th>Payment Amount</th>
              <th>Weaver</th>
              <th>Action</th>
            </tr>

            <tr v-if="editedItem.paymentStatus != 'NOT_PAID'">

              <td style="width:40px ; color:black" class="tdFeeType">1</td>
              <td style="width:120px; color:black" class="tdFeeType">{{dates( editedItem.date) }}</td>
              <td style="width:120px; color:black" class="tdFeeType">{{ editedItem.paymentMethod }}</td>

              <td style="width:120px; color:black" class="tdFeeType">{{ editedItem.totalPaidAmount }}</td>

              <td style="width:120px; color:black" class="tdFeeType">{{ editedItem.totalDiscount}}</td>

              <td class="text-xs-center td td-row">
                <router-link
                  :to="{ name:'View Payment Invoice',params: { viewPaymentInvoiceId:editedItem._id } }"
                >

                  <v-tooltip top>

                    <img
                      slot="activator"
                      style="cursor:pointer; width:25px; height:25px; "
                      class="mr-3"
                      src="/static/icon/view.png"
                    />
                    <span>View</span>
                  </v-tooltip>
                </router-link>
                <v-tooltip top>
                  <img
                    slot="activator"
                    style="cursor:pointer;width:20px; height:20px; "
                    class="mr-3"

                    @click="deletePayment(editedItem)"

                    src="/static/icon/delete.png"
                  />
                  <span>Delete</span>
                </v-tooltip>
              </td>
            </tr>

            <tr v-if="editedItem.paymentStatus == 'NOT_PAID'">
              <td style="width:40px ; color:black" class="tdFeeType'">-</td>
              <td style="width:120px; color:black" class="tdFeeType">-</td>
              <td style="width:120px; color:black" class="tdFeeType">-</td>
              <td style="width:120px; color:black" class="tdFeeType">-</td>
              <td style="width:120px; color:black" class="tdFeeType">-</td>
              <td class="text-xs-center td td-row"></td>
            </tr>

          </table>

        </v-card>

      </v-dialog>

      <!-- ****** Invoice 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="addInvoiceDialog = true"
        >
          <v-icon dark>add</v-icon>
        </v-btn>
        <v-btn
          round
          class="open-dialog-button hidden-sm-only hidden-xs-only"
          dark
          @click="addInvoiceDialog = true"
        >
          <v-icon class="white--text pr-1" size="20">add</v-icon>Add Invoice
        </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="invoiceList"
        :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="text-xs-center td td-row">{{ props.item.studentId.name }}</td>

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

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

            <td
              class="text-xs-center td td-row"
            >{{ props.item.totalPaidAmount ? props.item.totalPaidAmount : 0}}</td>
            <td
              class="text-xs-center td td-row"

            >{{ props.item.totalPaidAmount ? props.item.totalSubTotal - props.item.totalPaidAmount : props.item.totalSubTotal }}</td>

            <td class="text-xs-center td td-row" v-if="props.item.paymentStatus === 'NOT_PAID'">
              <span
                class="red lighten-1 py-1 px-2 white--text paymentStatus"
              >{{ props.item.paymentStatus }}</span>
            </td>
            <td class="text-xs-center td td-row" v-if="props.item.paymentStatus === 'FULLY_PAID'">
              <span
                class="green lighten-1 py-1 px-2 white--text paymentStatus"
              >{{ props.item.paymentStatus }}</span>
            </td>
            <td class="text-xs-center td td-row" v-if="props.item.paymentStatus === 'PARTIALLY_PAID'">
              <span
                class="yellow darken-3 py-1 px-2 white--text paymentStatus"
              >{{ props.item.paymentStatus }}</span>
            </td>
            <td class="text-xs-center td td-row">{{ dates(props.item.date) }}</td>
            <td class="text-xs-center td td-row">

              <router-link :to="{ name:'View Invoice',params: { viewInvoiceId:props.item._id } }">

                <v-tooltip top>
                  <img
                    slot="activator"
                    style="cursor:pointer; width:25px; height:25px; "
                    class="mr-3"

                    src="/static/icon/view.png"

                  />
                  <span>View</span>
                </v-tooltip>
              </router-link>
              <span v-if="props.item.paymentStatus === 'NOT_PAID'">

                <!-- <router-link :to="{ name: 'Edit Invoice',params: { invoiceid: editData._id } }">
                  <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>
                </router-link>-->

                <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>

                <v-tooltip top>
                  <img
                    slot="activator"
                    style="cursor:pointer; width:20px; height:18px; "
                    class="mr-3"
                    @click="paymentItem(props.item)"
                    src="/static/schoolIcons/Account.png"
                  />
                  <span>Payment</span>
                </v-tooltip>

              </span>

              <span v-if="props.item.paymentStatus === 'PARTIALLY_PAID'">
                <v-tooltip top>
                  <img
                    slot="activator"
                    style="cursor:pointer; width:20px; height:18px; "
                    class="mr-3"
                    @click="paymentItem(props.item)"
                    src="/static/schoolIcons/Account.png"
                  />
                  <span>Payment</span>
                </v-tooltip>
              </span>
              <v-tooltip top>
                <img
                  slot="activator"

                  style="cursor:pointer; width:18px; height:17px;"

                  @click="profile(props.item)"
                  src="/static/icon/eye1.png"
                />
                <span>View Payment</span>
              </v-tooltip>

            </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 INVOICE ****** -->

      <v-snackbar
        :timeout="timeout"
        :top="y === 'top'"
        :right="x === 'right'"
        :vertical="mode === 'vertical'"
        v-model="snackbar"
        :color="color"
      >{{ text }}</v-snackbar>
      <v-dialog v-model="addInvoiceDialog">

        <v-card flat class="text-xs-center white--text">
          <v-layout>

            <v-flex xs12 class="card-styles pa-2">
              <label class="title text-xs-center">Add Invoice</label>

              <v-icon size="24" class="right white--text" @click="addInvoiceDialog = false">cancel</v-icon>
            </v-flex>
          </v-layout>
          <v-flex xs12 sm12>
            <v-container fluid grid-list-md>
              <v-layout wrap>
                <v-flex xs12 sm12 md5>
                  <v-card flat>
                    <v-toolbar dark class="card-styles" flat>
                      <v-spacer></v-spacer>

                      <h3>Invoice</h3>

                      <v-spacer></v-spacer>
                    </v-toolbar>
                    <v-form ref="form" v-model="valid" lazy-validation class="py-4">

                      <v-layout>

                        <v-flex xs4 class="pt-4 subheading">
                          <label class="right hidden-xs-only hidden-sm-only">Select Class:</label>
                          <label class="right hidden-lg-only hidden-md-only hidden-xl-only">Class:</label>

                        </v-flex>

                        <v-flex xs6 class="ml-3">
                          <v-select
                            :items="addclass"
                            label="Select Class"
                            v-model="invoiceData.classNum"
                            item-text="classNum"
                            item-value="_id"
                            @change="getAllStudents()"
                            :rules="classRules"
                            required
                          ></v-select>

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

                        <v-flex xs4 class="pt-4 subheading">
                          <label class="right hidden-xs-only hidden-sm-only">Select Student:</label>
                          <label class="right hidden-lg-only hidden-md-only hidden-xl-only">Student:</label>

                        </v-flex>

                        <v-flex xs6 class="ml-3">
                          <v-select
                            :items="studentList"
                            label="Select Student"
                            v-model="invoiceData.studentId"
                            item-text="name"
                            item-value="_id"
                            :rules="inchargeRules"
                            @change="selectAllStudent()"
                            required
                          ></v-select>

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

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

                        </v-flex>

                        <v-flex xs6 class="ml-3">
                          <v-menu
                            ref="menu1"
                            :close-on-content-click="false"
                            v-model="menu1"
                            :nudge-right="40"
                            lazy
                            :return-value.sync="invoiceData.date"
                            transition="scale-transition"
                            offset-y
                            full-width
                            min-width="290px"
                          >
                            <v-text-field
                              slot="activator"
                              :rules="dateRules"
                              v-model="invoiceData.date"
                              placeholder="Select date"
                            ></v-text-field>
                            <v-date-picker
                              v-model="invoiceData.date"
                              @input="$refs.menu1.save(invoiceData.date)"
                            ></v-date-picker>
                          </v-menu>

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

                        <v-flex xs4 class="pt-4 subheading">
                          <label class="right hidden-xs-only hidden-sm-only">Payment Status:</label>
                          <label class="right hidden-lg-only hidden-md-only hidden-xl-only">Payment:</label>

                        </v-flex>

                        <v-flex xs6 class="ml-3">
                          <v-select
                            :items="paymentStatus"
                            v-model="invoiceData.paymentStatus"
                            item-text="name"
                            item-value="value"
                            label="Select Payment Status"
                            @change="getPayMethodList"
                            :rules="paymentStatusRules"
                            required
                          ></v-select>

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

                      <v-layout v-show="showPayMethods">
                        <v-flex xs4 class="pt-4 subheading">
                          <label class="right">Payment Method:</label>

                        </v-flex>

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

                          <v-select

                            :items="paymentMethods"
                            v-model="invoiceData.paymentMethod"

                            :rules="paymentMethodRules"

                            label="Select Payment Method"
                            required

                          ></v-select>
                        </v-flex>

                      </v-layout>
                      <v-layout>
                        <v-flex xs12 sm11>
                          <v-card-actions>
                            <v-spacer></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-form>
                  </v-card>
                </v-flex>
                <v-flex xs12 sm12 md7>
                  <v-card>

                    <v-toolbar dark class="card-styles" flat>

                      <v-spacer></v-spacer>

                      <h3>Fee Type List</h3>

                      <v-spacer></v-spacer>
                    </v-toolbar>
                    <v-layout>
                      <v-flex xs4 sm2 class="mt-4 hidden-xs-only hidden-sm-only">

                        <label class="right title">Fee Type:</label>

                      </v-flex>
                      <v-flex xs8 sm4>
                        <v-select
                          :items="feeTypes"
                          v-model="feeType.feeTypeName"
                          item-text="feeType"
                          item-value="feeType"
                          label="Select Fee Type"

                          required

                        ></v-select>
                      </v-flex>
                      <v-flex xs4 sm6>

                        <v-btn
                          color="open-dialog-button"
                          round
                          dark
                          class="right mt-3"
                          @click="selectFeeType"
                        >ADD</v-btn>

                      </v-flex>
                    </v-layout>
                    <table class="feeTypeTable tableRsponsive">
                      <tr class="info white--text">
                        <th>#</th>
                        <th>Fee Type</th>
                        <th>Amount</th>

                        <th>Discount</th>

                        <th>Subtotal</th>
                        <th>Paid Amount</th>
                        <th>Action</th>
                      </tr>
                      <tr
                        v-show="showFeeType"
                        v-for="(feeType, index) in feeTypeData"
                        :key="index"
                        v-on:keyup="getAmmountDetails(feeType)"
                      >
                        <td style="width:40px" class="tdFeeType">{{ index + 1 }}</td>

                        <td
                          style="width:120px"
                          class="tdFeeType"
                          :rules="feeTypeNameRules"
                        >{{ feeType.feeTypeName }}</td>

                        <td class="tdFeeType">
                          <v-text-field
                            placeholder="fill your Amount"
                            v-model="feeType.amount"
                            type="number"

                            :rules="amountRules"
                            required

                          ></v-text-field>
                        </td>
                        <td class="tdFeeType">
                          <v-text-field
                            placeholder="fill your Discount"
                            v-model="feeType.discount"
                            type="number"

                            :rules="discountRules"
                            required

                          ></v-text-field>
                        </td>

                        <td class="tdFeeType" :rules="subtotalRules">{{ feeType.subTotal }}</td>
                        <td class="tdFeeType" v-if="invoiceData.paymentStatus === 'NOT_PAID'">

                          <v-text-field
                            placeholder="fill your Paid Amount"
                            v-model="feeType.paidAmount"
                            type="number"
                            :disabled="disabled"
                          ></v-text-field>

                        </td>

                        <td class="tdFeeType" v-if="invoiceData.paymentStatus == ''">
                          <v-text-field
                            placeholder="fill your Paid Amount"
                            v-model="feeType.paidAmount"
                            type="number"
                            :disabled="disabled"
                          ></v-text-field>
                        </td>
                        <td
                          class="tdFeeType"
                          v-if="invoiceData.paymentStatus != 'NOT_PAID' && invoiceData.paymentStatus != ''"

                        >

                          <v-text-field
                            placeholder="fill your Paid Amount"
                            v-model="feeType.paidAmount"
                            type="number"
                          ></v-text-field>
                        </td>
                        <td class="tdFeeType">

                          <v-icon color="error" @click="deleteSelectFee(index,feeType)">delete</v-icon>

                        </td>
                      </tr>
                      <tfoot>
                        <tr>
                          <td colspan="2" class="tdFeeType">Total:</td>

                          <td class="tdFeeType">{{ feeType.amount }}</td>
                          <td class="tdFeeType">{{ feeType.discount }}</td>
                          <td class="tdFeeType">{{ feeType.subTotal }}</td>
                          <td class="tdFeeType">{{ feeType.paidAmount }}</td>

                          <!-- <td class="tdFeeType">

                            <v-icon color="error" @click="deleteSelectFee(index)">delete</v-icon>

                          </td>-->

                        </tr>

                      </tfoot>
                    </table>
                  </v-card>
                </v-flex>
              </v-layout>
            </v-container>
          </v-flex>
        </v-card>
      </v-dialog>

      <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 editInvoice from "./editInvoice";

  import paymentTemplate from "./paymentTemplate.vue";

  import moment from "moment";
  
  export default {

    components: {

      editInvoice: editInvoice,
      paymentTemplate: paymentTemplate

    },

    data: () => ({
      snackbar: false,
      showPayMethods: false,
      y: "top",
      x: "right",
      mode: "",

      timeout: 5000,

      text: "",

      color: "",

      show: true,
      showSearch: false,

      showLoader: false,
      loading: false,
      date: null,
      search: "",
      dialog: false,
      dialog1: false,
      valid: true,
      validEdit: true,
      isActive: true,
      newActive: false,

      showFeeType: true,

      addInvoiceDialog: false,

      editInvoiceDialog: false,
      paymentInvoiceDialog: false,

      disabled: true,
      details: [],
      feeTypes: [],

      invoiceData: [],

      editData: [],

      invoiceList: [],

      editPayment: {
        studentId: {

          name: "",
          rollNo: ""

        },
        classId: {

          classNum: ""

        }
      },

      menu1: false,
      paymentMethods: ["Cash", "Cheque"],
      feeType: {
        amount: "0.00",
        discount: "0.00",

        subTotal: "0.00",

        paidAmount: "0.00",

        feeTypeName: ""
      },

      feeTypeData: [],

      editFeeTypeData: [],
      paymentFeeTypeData: [],

      pagination: {

        rowsPerPage: 10

      },
      classRules: [v => !!v || " Class Name is required"],
      inchargeRules: [v => !!v || "Student Name is required"],
      dateRules: [v => !!v || " Date is required"],
      paymentStatusRules: [v => !!v || "Payment Status is required"],

      paymentMethodsRules: [v => !!v || "payment Method is required"],

      feeTypeRules: [v => !!v || "Fee Type  is required"],
      feeTypeNameRules: [v => !!v || "Fee Type Name is required"],
      amountRules: [v => !!v || "Amount is required"],
      discountRules: [v => !!v || "Discount is required"],
      subtotalRules: [v => !!v || "Subtotal is required"],
      paymentRules: [v => !!v || "Payment is required"],
      paidAmountRules: [v => !!v || "Paid Amount is required"],

      paymentMethodRules: [],

      headers: [
        {
          text: "No",

          align: "",

          sortable: false,
          value: "No"
        },

        {
          text: "Student",
          value: "name",
          sortable: false,
          align: "center"
        },

        { text: "Class", value: "class", sortable: false, align: "center" },
        { text: "Total", value: "subtotal", sortable: false, align: "center" },

        {

          text: "Discount",

          value: "discount",
          sortable: false,
          align: "center"
        },

        {
          text: "Paid Amount",
          value: "paidAmount",
          sortable: false,
          align: "center"
        },
        {
          text: "Balance",
          value: "Balance",
          sortable: false,
          align: "center"
        },
        {
          text: "Status",
          value: "paymentStatus",
          sortable: false,
          align: "center"
        },
        {
          text: "Date",
          value: "date",
          sortable: false,
          align: "center"
        },
        { text: "Action", value: "", sortable: false, align: "center" }
      ],

      studentId: {
        name: ""
      },

      token: "",
      editedItem: {},
      invoiceData: {

        paymentStatus: "",
        students: []

      },
      addclass: [],
      studentList: [],
      paymentStatus: [
        {
          name: "Not Paid",
          value: "NOT_PAID"
        },
        {
          name: "Partially Paid",
          value: "PARTIALLY_PAID"
        },
        {
          name: "Fully Paid",
          value: "FULLY_PAID"
        }
      ]
    }),
    methods: {
      save(date) {
        this.$refs.menu1.save(date);
      },
      dates: function(date) {
        return moment(date).format("MMMM DD, YYYY");
      },

      profile(item) {

        // console.log("item", item);

        this.editedIndex = this.invoiceList.indexOf(item);

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

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

        this.dialog1 = true;
      },
      editItem(item) {
        this.editedIndex = this.invoiceList.indexOf(item);

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

        this.editData.date = this.editData.date.slice(0, 10);
        // console.log("invoiceData", this.editData);
        this.editFeeTypeData = this.editData.feeType;

        this.editInvoiceDialog = true;
      },
      paymentItem(item) {

        // console.log("item", item);

        this.editedIndex = this.invoiceList.indexOf(item);

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

        this.editPayment.date = this.editPayment.date.slice(0, 10);

        if (this.editPayment.paymentStatus == "NOT_PAID") {
          for (let i = 0; i < this.editPayment.feeType.length; i++) {
            this.editPayment.feeType[i].paidAmount = "0.00";
          }
        }
        // console.log("this.editPayment", this.editPayment);

        this.paymentFeeTypeData = this.editPayment.feeType;

        this.paymentInvoiceDialog = true;
      },

      deleteItem(item) {
        let deleteInvoice = {
          invoiceId: item._id
        };
        http()
          .delete(
            "/deleteInvoice",
            confirm("Are you sure you want to delete this?") && {
              params: deleteInvoice
            }
          )
          .then(response => {

            this.snackbar = true;
            this.text = "Successfully delete Existing Invoice";

            this.color = "green";
            this.dialog1 = false;
            this.getInvoiceList();
          })
          .catch(error => {
            // console.log(error);
          });
      },
      deletePayment(editedItem) {
        let deleteInvoice = {
          invoiceId: editedItem._id
        };
        http()

          .put(
            "/removePayment",
            deleteInvoice,
            confirm("Are you sure you want to delete this?") && {
              headers: {
                Authorization: "Bearer " + this.token
              }

            }

          )

          .then(response => {
            this.snackbar = true;
            this.text = "Successfully delete Existing Invoice";

            this.color = "green";

            this.dialog1 = false;

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

      close() {
        this.dialog = false;

      },

      // totalAmount() {
      //   // console.log("this.feeType.paidAmount ", this.feeType.paidAmount);
      //   // console.log(
      //   //   "this.feeType.subTotalAAAAAAAAAAAAAAA ",
      //   //   this.feeType.subTotal
      //   // );
  
      //   if (this.feeType.paidAmount < this.feeType.subTotal) {
      //     console.log("this.feeType.subTotalBBBBBBBBBBB ", this.feeType.subTotal);
  
      //     this.feeType.paidAmount = this.feeType.subTotal;
      //     console.log(
      //       "this.feeType.paidAmount BBBBBBBBBBB",
      //       this.feeType.paidAmount
      //     );
      //   }
      // },

      submit() {
        let feeTypeId = "";
        for (let i = 0; i < this.feeTypes.length; i++) {
          if (this.feeTypes[i].feeType === this.feeType.feeTypeName) {
            feeTypeId = this.feeTypes[i]._id;
          }
        }

        if (this.$refs.form.validate()) {
          let invoiceData = {
            classId: this.invoiceData.classNum,
            students: this.invoiceData.students,
            date: this.invoiceData.date,
            paymentStatus: this.invoiceData.paymentStatus,
            paymentMethod: this.invoiceData.paymentMethod,
            feeType: this.feeTypeData,

            totalAmount: this.feeType.amount.toString(),
            totalDiscount: this.feeType.discount.toString(),

            totalSubTotal: this.feeType.subTotal.toString(),

            totalPaidAmount: this.feeType.paidAmount
          };

  
          if (invoiceData.paymentStatus == "NOT_PAID") {
            delete invoiceData.paymentMethod;
          }

          if (this.feeType.paidAmount != "0.00") {
            if (this.feeType.subTotal == this.feeType.paidAmount) {
              invoiceData.paymentStatus = "FULLY_PAID";

              // console.log("FULLY_PAID");

            }
            if (invoiceData.totalPaidAmount) {
              if (this.feeType.subTotal != this.feeType.paidAmount) {
                invoiceData.paymentStatus = "PARTIALLY_PAID";

                // console.log("PARTIALLY_PAID");

              }

            }

          }
  
          if (invoiceData.totalSubTotal == "0.00") {
            invoiceData.paymentStatus = "FULLY_PAID";
          } else if (invoiceData.totalSubTotal != "0.00") {
            if (this.feeType.paidAmount === "0.00") {
              invoiceData.paymentStatus = "NOT_PAID";
              delete invoiceData.paymentMethod;
            }

          }

          http()
            .post("/createInvoice", invoiceData)
            .then(response => {
              this.getInvoiceList();
              this.snackbar = true;
              this.text = "New Invoice added successfully";
              this.color = "green";
              this.clear();
              this.feeTypeData = [];
              if (this.feeTypeData.length == 0) {
                this.feeType = {
                  amount: "0.00",
                  discount: "0.00",
                  paidAmount: "0.00",
                  subTotal: "0.00",
                  feeTypeList: ""
                };
              }
              this.loading = false;
              this.addInvoiceDialog = false;
            })
            .catch(error => {
              this.snackbar = true;
              this.text = error.response.data.errors[0].messages[0];
              this.color = "error";
              this.loading = false;
            });

        }

      },

      clear() {
        this.$refs.form.reset();
      },
      getInvoiceList() {

        this.showLoader = true;

        http()
          .get("/getInvoicesList", {

            params: { schoolId: this.$store.state.schoolId },

            headers: { Authorization: "Bearer " + this.token }
          })
          .then(response => {
            this.invoiceList = response.data.data;
            this.showLoader = false;
          })

          .catch(error => {

            // console.log("err====>", err);
            this.showLoader = false;
            if (error.response.status === 401) {
              this.$router.replace({ path: "/" });
              this.$store.dispatch("setToken", null);
              this.$store.dispatch("Id", null);
            }
          });
      },
      selectFeeType() {
        this.showFeeType = true;
        this.feeTypeData.push({ feeTypeName: this.feeType.feeTypeName });

      },

      deleteSelectFee: function(index, feeTyp) {
        console.log("---index----", index);

        this.feeTypeData.splice(index, 1);

        this.getAmmountDetails(feeTyp);

        if (this.feeTypeData.length == 0) {
          this.feeType = {
            amount: "0.00",
            discount: "0.00",
            paidAmount: "0.00",
            subTotal: "0.00",
            feeTypeName: ""
          };
        }
      },
      getAllClasses() {
        http()
          .get("/getClassesList", {

            params: { schoolId: this.$store.state.schoolId },

            headers: { Authorization: "Bearer " + this.token }
          })
          .then(response => {
            this.addclass = response.data.data;
          })
          .catch(err => {
            // console.log("err====>", err);
            // this.$router.replace({ path: "/" });
          });
      },
      getAllStudents() {

        this.showLoader = true;

        http()
          .get("/getStudentsList", {

            params: {
              classId: this.invoiceData.classNum,
              schoolId: this.$store.state.schoolId
            },

            headers: { Authorization: "Bearer " + this.token }
          })
          .then(response => {

            response.data.data.unshift({
              name: "Select All",
              _id: "Select All"
            });

            this.studentList = response.data.data;

            this.showLoader = false;

          })
          .catch(err => {

            this.showLoader = false;

            // console.log("err====>", err);
            // this.$router.replace({ path: "/" });
          });
      },
      getfeeType() {
        http()
          .get("/getFeesList", {

            params: {
              schoolId: this.$store.state.schoolId
            },

            headers: { Authorization: "Bearer " + this.token }
          })
          .then(response => {
            this.feeTypes = response.data.data;
          })
          .catch(err => {
            // console.log("err====>", err);
            // this.$router.replace({ path: "/" });
          });
      },

      getAmmountDetails(feeTyp) {

        let feeType = {

          amount: "0.00",
          discount: "0.00",
          subTotal: "0.00",
          subParticularTotal: "0.00",

          paidAmount: ""
        };
        for (let i = 0; i < this.feeTypeData.length; i++) {
          // *********** AMOUNT ***********

          if (this.feeTypeData[i].amount) {
            feeType.amount =
              Number(feeType.amount) + Number(this.feeTypeData[i].amount);
            this.feeType.amount = feeType.amount;
            this.feeType.subTotal = feeType.amount;
            this.feeTypeData[i].subTotal = this.feeTypeData[i].amount;
          } else if (this.feeTypeData[0].amount == "") {
            this.feeType.amount = "0.00";
            this.feeTypeData[i].subTotal = "0.00";
            this.feeType.subTotal = "0.00";
          } else if (this.feeTypeData[i].amount == "") {
            this.feeType.amount =
              Number(feeType.amount) + Number(this.feeTypeData[i].amount);
            this.feeTypeData[i].subTotal =
              Number(feeType.amount) + Number(this.feeTypeData[i].amount);
            this.feeType.subTotal =
              Number(feeType.amount) + Number(this.feeTypeData[i].amount);
          }

          // *********** DISCOUNT ***********

          if (this.feeTypeData[i].discount) {

            if (
              Number(this.feeTypeData[i].discount) < this.feeTypeData[i].amount
            ) {

              feeType.discount =
                Number(feeType.discount) + Number(this.feeTypeData[i].discount);
              this.feeType.discount = feeType.discount;
              feeType.subParticularTotal =

                this.feeTypeData[i].amount - this.feeTypeData[i].discount;

              this.feeTypeData[i].subTotal = feeType.subParticularTotal.toFixed(
                2
              );

            } else if (
              Number(this.feeTypeData[i].discount) >= this.feeTypeData[i].amount
            ) {
              this.feeTypeData[i].discount = this.feeTypeData[i].amount;

              feeType.discount =
                Number(feeType.discount) + Number(this.feeTypeData[i].discount);
              this.feeType.discount = feeType.discount.toString();
              feeType.subParticularTotal =

                this.feeTypeData[i].amount - this.feeTypeData[i].discount;

              this.feeTypeData[
                i
              ].subTotal = feeType.subParticularTotal.toString();
            }

          } else if (this.feeTypeData[0].discount == "") {
            this.feeType.discount = "0.00";

          }

          // else if (this.feeTypeData[i].discount == "") {
          //   this.feeType.discount =
          //     Number(feeType.discount) + Number(this.feeTypeData[i].discount);
          // }

  
          // *********** SUBTOTAL ***********

          if (this.feeTypeData[i].subTotal) {
            feeType.subTotal =
              Number(feeType.subTotal) + Number(this.feeTypeData[i].subTotal);
            this.feeType.subTotal = feeType.subTotal.toFixed(2);
          }

  
          // *********** PAID-AMOUNT ***********

          if (this.feeTypeData[i].paidAmount) {
            feeType.paidAmount =
              Number(feeType.paidAmount) + Number(this.feeTypeData[i].paidAmount);
            this.feeType.paidAmount = feeType.paidAmount.toFixed(2);

          } else if (this.feeTypeData[0].paidAmount == "") {
            this.feeType.paidAmount = "0.00";
          } else if (this.feeTypeData[i].paidAmount == "") {
            this.feeType.paidAmount = feeType.paidAmount =
              Number(feeType.paidAmount) + Number(this.feeTypeData[i].paidAmount);

          }

          // if paid Amount fill large of subtotal value so this condition are fixed filled subtotal value.
          if (feeType.paidAmount > feeType.subTotal) {
            this.feeTypeData[i].paidAmount = this.feeTypeData[i].subTotal;
            this.feeType.paidAmount = feeType.subTotal;
          }

        }
      },
      getPayMethodList() {
        if (this.invoiceData.paymentStatus == "PARTIALLY_PAID") {
          this.showPayMethods = true;

          this.paymentMethodRules = [v => !!v || "Payment Method is required"];

        } else if (this.invoiceData.paymentStatus == "FULLY_PAID") {
          this.showPayMethods = true;

          this.paymentMethodRules = [v => !!v || "Payment Method is required"];

        } else if (this.invoiceData.paymentStatus == "NOT_PAID") {
          for (let i = 0; i < this.feeTypeData.length; i++) {
            this.feeTypeData[i].paidAmount = "0.00";
            this.feeType.paidAmount = "0.00";
          }

          this.paymentMethodRules = "";
          this.showPayMethods = false;

        } else {
          this.showPayMethods = false;
        }
      },

      selectAllStudent() {

        this.invoiceData.students = [];
        if (this.invoiceData.studentId === "Select All") {
          for (let i = 1; i < this.studentList.length; i++) {
            this.invoiceData.students.push(this.studentList[i]._id);
            console.log("data", this.invoiceData.students);
            // data.push(this.studentList[i]._id);
            // console.log("data", data);
          }
        } else {
          this.invoiceData.students.push(this.invoiceData.studentId);
        }

      },
      displaySearch() {

        this.show = false;
        this.showSearch = true;

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

      },
      updateDoneInvoice() {
        this.editInvoiceDialog = false;
        this.getInvoiceList();

      },
      updatePayment() {
        this.paymentInvoiceDialog = false;
        this.getInvoiceList();
        this.snackbar = true;
        this.text = "Payment added successfully";
        this.color = "green";

      }
    },
    mounted() {
      this.token = this.$store.state.token;
      this.getInvoiceList();
      this.getAllClasses();
      this.getfeeType();

      this.getAllStudents();

    }
  };
  </script>
  
  
  <style scoped>

  table {
    border-collapse: collapse;
    border: 1px solid #e2e7eb;
  }
  
  th,

  .tdFeeType {

    border: 1px solid #e2e7eb;
    padding: 10px;
    text-align: center;
  }
  table.feeTypeTable {
    table-layout: auto !important;
    width: 100% !important;
  }

  .card-style {

    background: #7f62f8 !important;
    border-color: #7f62f8 !important;
    border-radius: 12px;
    text-align: center !important;
    padding-top: 10px !important;

  }
  .add-button {

    background: #feb83c !important;
    border-color: #feb83c !important;
    text-transform: none !important;
    -webkit-box-shadow: none !important;
    box-shadow: none !important;

  }
  .clear-button {

    background: #fa7676 !important;
    border-color: #fa7676 !important;
    text-transform: none !important;
    -webkit-box-shadow: none !important;
    box-shadow: none !important;

  }
  .card-styles {

    background: #7f62f8 !important;
    border-color: #7f62f8 !important;

  }
  .v-card__actions .v-btn {

    margin: 0 15px !important;
    min-width: 96px !important;

  }

  </style>