<template>

    <v-container fluid class="body-color">
      <!-- ****** EDIT  Subject ****** -->

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

        <v-card flat class="card-style pa-2" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">Edit Subject</label>
              <v-icon size="24" class="right" @click="editSubjectDialog = false">cancel</v-icon>

            </v-flex>

          </v-layout>
          <v-container fluid>
            <v-form ref="formEditSubject" v-model="validEditSubject" lazy-validation>

              <v-layout>

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

                </v-flex>

                <v-flex xs8 class="ml-3">

                  <v-select

                    v-model="editedItem.classId"
                    label="Select your class"
                    type="text"

                    :items="classList"

                    item-text="classNum"
                    item-value="_id"

                    :rules="classRules"
                    required
                  ></v-select>
                </v-flex>
              </v-layout>
              <v-layout>
                <v-flex xs4 sm4 class="pt-4 subheading">
                  <label class="right">Teacher Name :</label>
                </v-flex>
                <v-flex xs8 sm8 class="ml-3">
                  <v-select
                    v-model="editedItem.teacherId"
                    label="Select your teacher"
                    type="text"
                    :items="teacherList"
                    item-text="name"
                    item-value="_id"
                    :rules="teacherRules"
                    required
                  ></v-select>
                </v-flex>
              </v-layout>
              <v-layout>
                <v-flex xs4 sm4 class="pt-4 sybheading">
                  <label class="right">Type :</label>
                </v-flex>
                <v-flex xs8 sm8 class="ml-3">
                  <v-select
                    v-model="editedItem.type"
                    :items="type"
                    label="Select your Type"
                    :rules="typeRules"

                    required
                  ></v-select>
                </v-flex>
              </v-layout>

              <v-layout>

                <v-flex xs4 sm4 class="pt-4 subheading">
                  <label class="right">Pass Mark :</label>
                </v-flex>
                <v-flex xs8 sm8 class="ml-3">
                  <v-text-field
                    label="Fill your Pass Mark"
                    name="name"
                    type="text"
                    :rules="markRules"
                    v-model="editedItem.passMarks"
                    required
                  ></v-text-field>
                </v-flex>
              </v-layout>
              <v-layout>
                <v-flex xs4 sm4 class="pt-4 subheading">
                  <label class="right">Final Mark :</label>
                </v-flex>
                <v-flex xs8 sm8 class="ml-3">
                  <v-text-field
                    label="Fill your final mark"
                    name="name"
                    type="text"
                    :rules="finalRules"
                    v-model="editedItem.finalMarks"
                    required
                  ></v-text-field>
                </v-flex>
              </v-layout>
              <v-layout>

                <v-flex xs4 class="pt-4 subheading">
                  <label class="right">Subject:</label>
                </v-flex>
                <v-flex xs8 class="ml-3">
                  <v-text-field
                    placeholder="fill your Subject"
                    v-model="editedItem.subjectName"

                    :rules="subjectRules"

                    type="text"
                    name="email"
                    required
                  ></v-text-field>
                </v-flex>
              </v-layout>

              <v-layout>
                <v-flex xs4 sm4 class="pt-4 subheading">
                  <label class="right">Subject Author :</label>
                </v-flex>
                <v-flex xs8 sm8 class="ml-3">
                  <v-text-field
                    v-model="editedItem.subjectAuthor"
                    placeholder="fill your Subject Author"
                    name="name"
                    type="text"
                  ></v-text-field>
                </v-flex>
              </v-layout>
              <v-layout>
                <v-flex xs4 sm4 class="pt-4 subheading">
                  <label class="right">Subject Code:</label>
                </v-flex>
                <v-flex xs8 sm8 class="ml-3">
                  <v-text-field
                    v-model="editedItem.subjectCode"
                    placeholder="fill your Subject Code"
                    name="name"
                    type="text"
                  ></v-text-field>
                </v-flex>
              </v-layout>

              <v-flex xs12 sm12>
                <v-card-actions>

                  <v-spacer></v-spacer>

                  <v-btn round dark @click="save" :loading="editLoading" class="add-button">Update Subject</v-btn>

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

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

      <v-dialog v-model="viewSubjectDialog" max-width="500px">
        <v-card flat class="card-style pa-3" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">View Subject</label>
              <v-icon size="24" class="right" @click="viewSubjectDialog = false">cancel</v-icon>
            </v-flex>
          </v-layout>

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

                    <v-flex xs6 sm4>

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

                    <v-flex sm8 xs6>

                      <h5 class="my-1">{{ editedItem.subjectName }}</h5>

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

                  <v-layout>
                    <v-flex xs6 sm4>
                      <h5 class="right my-1">
                        <b>Subject Author:</b>
                      </h5>
                    </v-flex>
                    <v-flex sm8 xs6>
                      <h5 class="my-1">{{ editedItem.subjectAuthor }}</h5>
                    </v-flex>
                  </v-layout>
                  <v-layout>
                    <v-flex xs6 sm4>
                      <h5 class="right my-1">
                        <b>Subject :</b>
                      </h5>
                    </v-flex>
                    <v-flex sm8 xs6>
                      <h5 class="my-1">{{ editedItem.subjectCode }}</h5>
                    </v-flex>
                  </v-layout>
                  <!-- <v-layout>
                    <v-flex xs6 sm4>
                      <h5 class="right my-1">
                        <b>Teacher :</b>
                      </h5>
                    </v-flex>
                    <v-flex sm8 xs6>
                      <h5 class="my-1">{{ editedItem.teacherId }}</h5>
                    </v-flex>
                  </v-layout>-->
                  <v-layout>
                    <v-flex xs6 sm4>
                      <h5 class="right my-1">
                        <b>Pass Marks :</b>
                      </h5>
                    </v-flex>
                    <v-flex sm8 xs6>
                      <h5 class="my-1">{{ editedItem.passMarks }}</h5>
                    </v-flex>
                  </v-layout>
                  <v-layout>
                    <v-flex xs6 sm4>
                      <h5 class="right my-1">
                        <b>Final Marks :</b>
                      </h5>
                    </v-flex>
                    <v-flex sm8 xs6>
                      <h5 class="my-1">{{ editedItem.finalMarks }}</h5>
                    </v-flex>
                  </v-layout>
                  <v-layout>
                    <v-flex xs6 sm4>
                      <h5 class="right my-1">
                        <b>Type :</b>
                      </h5>
                    </v-flex>
                    <v-flex sm8 xs6>
                      <h5 class="my-1">{{ editedItem.type }}</h5>
                    </v-flex>
                  </v-layout>

                </v-flex>
              </v-layout>
            </v-container>
          </v-card-text>
        </v-card>
      </v-dialog>
  
      <!-- ****** EXISTING SUBJECTS 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="addSubjectDialog = true"
        >
          <v-icon dark>add</v-icon>
        </v-btn>
        <v-flex xs1 class="hidden-sm-only hidden-xs-only">

          <v-btn
            round
            class="open-dialog-button"
            dark
            @click="addSubjectDialog = true"
            v-if="role != 'TEACHER' "
          >

            <v-icon class="white--text pr-1" size="20">add</v-icon>Add Subject
          </v-btn>
        </v-flex>
        <v-spacer></v-spacer>
        <v-flex lg2 md2 xs12 v-show="show">
          <v-select
            :items="classList"
            label="Select Your Class"

            v-model="addSubject.classId"

            item-text="classNum"
            item-value="_id"
            name="Select Class"

            :rules="classRules"

            @change="getClassSubject"
            class="pl-2"
            required
          ></v-select>
        </v-flex>
        <v-card-title class="body-1" v-show="show">
          <v-btn icon flat @click="displaySearch">
            <v-avatar size="27">

              <img src="/static/icon/search.png" alt="icon" />

            </v-avatar>
          </v-btn>
        </v-card-title>

        <v-flex xs9 sm9 md2 lg2 xl2 v-if="showSearch">

          <v-layout>
            <v-text-field

            autofocus 

              v-model="search"
              label="Search"
              prepend-inner-icon="search"
              color="primary"
              style="transition: 0.8s cubic-bezier(0.25, 0.8, 0.25, 1); !important"
            ></v-text-field>
            <v-icon @click="closeSearch" color="error">close</v-icon>
          </v-layout>
        </v-flex>
      </v-toolbar>
      <v-data-table
        :headers="headers"
        :items="subjectList.subjects"
        :pagination.sync="pagination"
        :search="search"
      >
        <template slot="items" slot-scope="props">
          <tr class="tr">
            <td class="td-row td">{{ props.index + 1 }}</td>
            <td class="text-xs-center td td-row">{{ props.item.subjectName }}</td>

            <td class="text-xs-center td td-row">{{ props.item.subjectAuthor }}</td>
            <td class="text-xs-center td td-row">{{ props.item.subjectCode }}</td>
            <!-- <td class="text-xs-center td td-row">{{ props.item.teacherId }}</td> -->
            <td class="text-xs-center td td-row">{{ props.item.passMarks }}</td>
            <td class="text-xs-center td td-row">{{ props.item.finalMarks }}</td>
            <td class="text-xs-center td td-row">{{ props.item.type }}</td>

            <td class="text-xs-center td td-row">
              <span>

                <!-- <v-tooltip top>

                  <img
                    slot="activator"
                    style="cursor:pointer; width:25px; height:25px; "
                    class="mr-3"
                    @click="profile(props.item)"

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

                  />
                  <span>View</span>

                </v-tooltip>-->

                <v-tooltip top>
                  <img
                    slot="activator"
                    style="cursor:pointer; width:20px; height:18px; "
                    class="mr-3"
                    @click="editItem(props.item)"

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

                  />
                  <span>Edit</span>
                </v-tooltip>
                <v-tooltip top>
                  <img
                    slot="activator"
                    style="cursor:pointer; width:20px; height:20px; "
                    class="mr-3"
                    @click="deleteItem(props.item)"

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

                  />
                  <span>Delete</span>
                </v-tooltip>
              </span>
            </td>
          </tr>
        </template>
        <v-alert
          slot="no-results"
          :value="true"
          color="error"
          icon="warning"
        >Your search for "{{ search }}" found no results.</v-alert>
      </v-data-table>
      <!-- ****** ADD MULTIPLE Subject ****** -->
      <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="addSubjectDialog" max-width="600px">

        <v-card flat class="card-style pa-2" dark>
          <v-layout>
            <v-flex xs12>
              <label class="title text-xs-center">Add Subject</label>
              <v-icon size="24" class="right" @click="addSubjectDialog = false">cancel</v-icon>

            </v-flex>

          </v-layout>
          <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 xs4 sm4 class="pt-4 subheading">

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

                    </v-flex>
                    <v-flex xs8 sm8 class="ml-3">
                      <v-select
                        v-model="addSubject.classId"
                        label="Select your class"
                        type="text"
                        :items="classList"
                        item-text="classNum"
                        item-value="_id"

                        :rules="classRules"

                        required
                      ></v-select>
                    </v-flex>
                  </v-layout>
                  <v-layout>
                    <v-flex xs4 sm4 class="pt-4 subheading">

                      <label class="right">Teacher Name :</label>
                    </v-flex>
                    <v-flex xs8 sm8 class="ml-3">
                      <v-select
                        v-model="addSubject.teacherId"
                        label="Select your teacher"
                        type="text"
                        :items="teacherList"
                        item-text="name"
                        item-value="_id"
                        :rules="teacherRules"
                        required
                      ></v-select>
                    </v-flex>
                  </v-layout>
                  <v-layout>
                    <v-flex xs4 sm4 class="pt-4 sybheading">
                      <label class="right">Type :</label>
                    </v-flex>
                    <v-flex xs8 sm8 class="ml-3">
                      <v-select
                        v-model="addSubject.type"
                        :items="type"
                        label="Select your Type"
                        :rules="typeRules"
                        required
                      ></v-select>
                    </v-flex>
                  </v-layout>
                  <v-layout>
                    <v-flex xs4 sm4 class="pt-4 subheading">
                      <label class="right">Pass Mark :</label>
                    </v-flex>
                    <v-flex xs8 sm8 class="ml-3">
                      <v-text-field
                        label="Fill your Pass Mark"
                        name="name"
                        type="text"
                        :rules="markRules"
                        v-model="addSubject.passMarks"
                        required
                      ></v-text-field>
                    </v-flex>
                  </v-layout>
                  <v-layout>
                    <v-flex xs4 sm4 class="pt-4 subheading">
                      <label class="right">Final Mark :</label>
                    </v-flex>
                    <v-flex xs8 sm8 class="ml-3">
                      <v-text-field
                        label="Fill your final mark"
                        name="name"
                        type="text"
                        :rules="finalRules"
                        v-model="addSubject.finalMarks"
                        required
                      ></v-text-field>
                    </v-flex>
                  </v-layout>
                  <v-layout>
                    <v-flex xs4 sm4 class="pt-4 subheading">

                      <label class="right">Subject :</label>
                    </v-flex>
                    <v-flex xs8 sm8 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 xs4 sm4 class="pt-4 subheading">
                      <label class="right">Subject Author :</label>
                    </v-flex>
                    <v-flex xs8 sm8 class="ml-3">
                      <v-text-field
                        v-model="addSubject.subjectAuthor"
                        placeholder="fill your Subject Author"
                        name="name"
                        type="text"
                      ></v-text-field>
                    </v-flex>
                  </v-layout>
                  <v-layout>
                    <v-flex xs4 sm4 class="pt-4 subheading">
                      <label class="right">Subject Code:</label>
                    </v-flex>
                    <v-flex xs8 sm8 class="ml-3">
                      <v-text-field
                        v-model="addSubject.subjectCode"
                        placeholder="fill your Subject Code"
                        name="name"
                        type="text"
                      ></v-text-field>
                    </v-flex>
                  </v-layout>
                  <v-layout>

                    <v-flex xs12 sm12>
                      <v-card-actions>

                        <v-spacer></v-spacer>

                        <v-btn
                          @click="submit"
                          round
                          dark
                          :loading="loading"
                          class="add-button"
                        >Add Subject</v-btn>

                      </v-card-actions>
                    </v-flex>
                  </v-layout>
                </v-form>
              </v-flex>
            </v-layout>

          </v-container>

        </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 Util from "@/util";
  
  export default {
    data: () => ({
      snackbar: false,
      y: "top",
      x: "right",

      role: "",

      mode: "",
      timeout: 3000,
      text: "",

      color: "",

      show: true,
      showSearch: false,

      showLoader: false,

      loading: false,

      editLoading: false,

      date: null,
      search: "",

      viewSubjectDialog: false,
      editSubjectDialog: false,

      valid: true,

      validEditSubject: true,

      addSubjectDialog: false,
      // isActive: true,
      // newActive: false,

      type: ["Optional", "Mandatory"],

      pagination: {

        rowsPerPage: 10

      },

      token: "",

      classRules: [v => !!v || " Class Name is required"],
      teacherRules: [v => !!v || " Teacher Name is required"],
      typeRules: [v => !!v || "Type is required"],
      markRules: [v => !!v || " Pass Mark is required"],
      finalRules: [v => !!v || "Final MArk is required"],

      subjectRules: [v => !!v || " Subject Name is required"],

      headers: [
        {
          text: "No",

          align: "",

          sortable: false,
          value: "No"
        },

        {

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

          sortable: false,
          align: "center"
        },

        {
          text: "Subject Author",
          value: "subjectAuthor",
          sortable: false,
          align: "center"
        },
        {
          text: "Subject Code",
          value: "subjectCode",
          sortable: false,
          align: "center"
        },
        // {
        //   text: "Teacher",
        //   value: "teacherId",
        //   sortable: false,
        //   align: "center"
        // },
        {
          text: "Pass Marks",
          value: "passMarks",
          sortable: false,
          align: "center"
        },
        {
          text: "Final Marks",
          value: "finalMarks",
          sortable: false,
          align: "center"
        },
        {
          text: "Type",
          value: "type",
          sortable: false,
          align: "center"
        },

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

      subjectList: [],
      classList: [],

      teacherList: [],

      editedIndex: -1,

      addSubject: {},

      editedItem: {

        // subjectName: "",
        // subjectAuthor: ""

      }

    }),

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

      editItem(item) {

        this.editedIndex = this.subjectList.subjects;

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

        this.editSubjectDialog = true;

      },
      profile(item) {

        this.editedIndex = this.subjectList.subjects;

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

        this.viewSubjectDialog = true;

      },
      deleteItem(item) {

        let deleteSubject = {

          classId: this.addSubject.classId,

          subjectId: item._id

        };
        http()
          .delete(

            "/deleteSubject",

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

              params: deleteSubject

            }
          )
          .then(response => {

            this.getClassSubject(_id);

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

            this.color = "green";

          })
          .catch(error => {

            this.snackbar = true;
            this.text = error.response.data.message;
            this.color = "error";

          });
      },

      close() {

        this.editSubjectDialog = false;

      },
      close1() {

        this.viewSubjectDialog = false;

      },
      submit() {
        if (this.$refs.form.validate()) {

          http()

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

            .then(response => {

              this.getClassSubject(_id);

              this.snackbar = true;
              this.text = "New Subject added successfully";

              this.clear();

              this.color = "green";

              this.addSubjectDialog = false;

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

              this.snackbar = true;
              this.text = error.response.data.message;
              this.color = "error";

            });
        }
      },

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

        if (this.$refs.formEditSubject.validate()) {
          let editSubject = {

            classId: this.editedItem.classId,

            subjectId: this.editedItem._id,

            teacherId: this.editedItem.teacherId,
            type: this.editedItem.type,
            passMarks: this.editedItem.passMarks,
            finalMarks: this.editedItem.finalMarks,
            subjectAuthor: this.editedItem.subjectAuthor,
            subjectCode: this.editedItem.subjectCode,

            subjectName: this.editedItem.subjectName
          };
          this.editLoading = true;
          http()
            .put("/updateSubject", editSubject)
            .then(response => {
              this.snackbar = true;

              this.text = "Successfully Edit Existing Subject";

              this.color = "green";

              this.editLoading = false;

              this.editSubjectDialog = false;

              http()
                .get(
                  "/getParticularClass",

                  { params: { classId: _id } },

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

                  this.snackbar = true;
                  this.color = "green";
                  this.text = response.data.message;
                  this.close();
                })
                .catch(err => {
                  console.log("err====>", err);
                });
            })
            .catch(error => {
              this.editLoading = false;
  
              // console.log(error);
            });
        }

      },

      getClassSubject(_id) {

        this.showLoader = true;

        // this.classId = this.classId;

        http()
          .get(
            "/getParticularClass",

            { params: { classId: _id } },

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

            this.showLoader = false;

          })
          .catch(err => {

            this.showLoader = false;

          });
      },
      getClass() {
        http()
          .get("/getClassesList", {
            headers: { Authorization: "Bearer " + this.token }
          })
          .then(response => {
            this.classList = response.data.data;
          })

          .catch(error => {

            if (error.response.status === 401) {
              this.$router.replace({ path: "/" });
              this.$store.dispatch("setToken", null);
              this.$store.dispatch("Id", null);
            }

          });

      },

      getTeacherList() {
        this.showLoader = true;
        var token = this.$store.state.token;
        http()
          .get("/getTeachersList", {
            headers: { Authorization: "Bearer " + token }
          })
          .then(response => {
            this.teacherList = response.data.data;
            this.showLoader = false;
            // console.log("getTeacherList=====>",this.desserts)
          })
          .catch(error => {
            this.showLoader = false;
            if (error.response.status === 401) {
              this.$router.replace({ path: "/" });
              this.$store.dispatch("setToken", null);
              this.$store.dispatch("Id", null);
            }
          });
      },

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

      }
    },
    mounted() {

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

      this.getTeacherList();
      this.role = this.$store.state.role;

    }
  };

  </script>