<template>
  <b-container fluid="xl">
    <page-title />
    <b-row class="mb-4">
      <b-col md="12">
        <page-section
          :section-title="$t('pageVirtualMedia.virtualMediaSubTitleFirst')"
        >
          <b-row>
            <b-col v-for="(dev, $index) in proxyDevices" :key="$index" md="6">
              <b-form-group :label="dev.id" label-class="bold">
                <form-file
                  v-if="!dev.isActive"
                  :id="concatId(dev.id)"
                  v-model="dev.file"
                >
                  <template #invalid>
                    <b-form-invalid-feedback role="alert">
                      {{ $t('global.form.required') }}
                    </b-form-invalid-feedback>
                  </template>
                </form-file>
              </b-form-group>
              <b-button
                v-if="!dev.isActive"
                variant="primary"
                :disabled="!dev.file"
                @click="startVM(dev)"
              >
                {{ $t('pageVirtualMedia.start') }}
              </b-button>
              <b-button
                v-if="dev.isActive"
                variant="primary"
                :disabled="!dev.file"
                @click="stopVM(dev)"
              >
                {{ $t('pageVirtualMedia.stop') }}
              </b-button>
            </b-col>
          </b-row>
        </page-section>
      </b-col>
    </b-row>
    <b-row v-if="loadImageFromExternalServer" class="mb-4">
      <b-col md="12">
        <page-section
          :section-title="$t('pageVirtualMedia.virtualMediaSubTitleSecond')"
        >
          <b-row>
            <b-col
              v-for="(device, $index) in legacyDevices"
              :key="$index"
              md="6"
            >
              <b-form-group
                :label="device.id"
                :label-for="device.id"
                label-class="bold"
              >
                <b-button
                  variant="primary"
                  :disabled="device.isActive"
                  @click="configureConnection(device)"
                >
                  {{ $t('pageVirtualMedia.configureConnection') }}
                </b-button>

                <b-button
                  v-if="!device.isActive"
                  variant="primary"
                  class="float-right"
                  :disabled="!device.serverUri"
                  @click="startLegacy(device)"
                >
                  {{ $t('pageVirtualMedia.start') }}
                </b-button>
                <b-button
                  v-if="device.isActive"
                  variant="primary"
                  class="float-right"
                  @click="stopLegacy(device)"
                >
                  {{ $t('pageVirtualMedia.stop') }}
                </b-button>
              </b-form-group>
            </b-col>
          </b-row>
        </page-section>
      </b-col>
    </b-row>
    <modal-configure-connection
      :connection="modalConfigureConnection"
      @ok="saveConnection"
    />
  </b-container>
</template>

<script>
import PageTitle from '@/components/Global/PageTitle';
import PageSection from '@/components/Global/PageSection';
import BVToastMixin from '@/components/Mixins/BVToastMixin';
import LoadingBarMixin from '@/components/Mixins/LoadingBarMixin';
import ModalConfigureConnection from './ModalConfigureConnection';
import NbdServer from '@/utilities/NBDServer';
import FormFile from '@/components/Global/FormFile';

export default {
  name: 'VirtualMedia',
  components: { PageTitle, PageSection, ModalConfigureConnection, FormFile },
  mixins: [BVToastMixin, LoadingBarMixin],
  data() {
    return {
      modalConfigureConnection: null,
      loadImageFromExternalServer:
        process.env.VUE_APP_VIRTUAL_MEDIA_LIST_ENABLED === 'true'
          ? true
          : false,
    };
  },
  computed: {
    proxyDevices() {
      return this.$store.getters['virtualMedia/proxyDevices'];
    },
    legacyDevices() {
      return this.$store.getters['virtualMedia/legacyDevices'];
    },
  },
  created() {
    this.$store.dispatch('global/getSystemInfo');
    if (this.proxyDevices.length > 0 || this.legacyDevices.length > 0) return;
    this.startLoader();
    this.$store
      .dispatch('virtualMedia/getData')
      .finally(() => this.endLoader());
  },
  methods: {
    startVM(device) {
      const token = this.$store.getters['authentication/token'];
      device.nbd = new NbdServer(
        `wss://${window.location.host}${device.websocket}`,
        device.file,
        device.id,
        token,
      );
      device.nbd.socketStarted = () =>
        this.successToast(this.$t('pageVirtualMedia.toast.serverRunning'));
      device.nbd.errorReadingFile = () =>
        this.errorToast(this.$t('pageVirtualMedia.toast.errorReadingFile'));
      device.nbd.socketClosed = (code) => {
        if (code === 1000)
          this.successToast(
            this.$t('pageVirtualMedia.toast.serverClosedSuccessfully'),
          );
        else
          this.errorToast(
            this.$t('pageVirtualMedia.toast.serverClosedWithErrors'),
          );
        device.file = null;
        device.isActive = false;
      };

      device.nbd.start();
      device.isActive = true;
    },
    stopVM(device) {
      device.nbd.stop();
    },
    startLegacy(connectionData) {
      var data = {};
      data.Image = connectionData.serverUri;
      data.UserName = connectionData.username;
      data.Password = connectionData.password;
      data.WriteProtected = !connectionData.isRW;
      this.startLoader();
      this.$store
        .dispatch('virtualMedia/mountImage', {
          id: connectionData.id,
          data: data,
        })
        .then(() => {
          this.successToast(
            this.$t('pageVirtualMedia.toast.serverConnectionEstablished'),
          );
          connectionData.isActive = true;
        })
        .catch(() => {
          this.errorToast(this.$t('pageVirtualMedia.toast.errorMounting'));
          this.isActive = false;
        })
        .finally(() => this.endLoader());
    },
    stopLegacy(connectionData) {
      this.$store
        .dispatch('virtualMedia/unmountImage', connectionData.id)
        .then(() => {
          this.successToast(
            this.$t('pageVirtualMedia.toast.serverClosedSuccessfully'),
          );
          connectionData.isActive = false;
        })
        .catch(() =>
          this.errorToast(this.$t('pageVirtualMedia.toast.errorUnmounting')),
        )
        .finally(() => this.endLoader());
    },
    saveConnection(connectionData) {
      this.modalConfigureConnection.serverUri = connectionData.serverUri;
      this.modalConfigureConnection.username = connectionData.username;
      this.modalConfigureConnection.password = connectionData.password;
      this.modalConfigureConnection.isRW = connectionData.isRW;
    },
    configureConnection(connectionData) {
      this.modalConfigureConnection = connectionData;
      this.$bvModal.show('configure-connection');
    },
    concatId(val) {
      return val.split(' ').join('_').toLowerCase();
    },
  },
};
</script>