<script>
import { __, sprintf } from '~/locale';
import updateMixin from '../mixins/update';
import eventHub from '../event_hub';

const issuableTypes = {
  issue: __('Issue'),
  epic: __('Epic'),
};

export default {
  mixins: [updateMixin],
  props: {
    canDestroy: {
      type: Boolean,
      required: true,
    },
    formState: {
      type: Object,
      required: true,
    },
    showDeleteButton: {
      type: Boolean,
      required: false,
      default: true,
    },
    issuableType: {
      type: String,
      required: true,
    },
  },
  data() {
    return {
      deleteLoading: false,
    };
  },
  computed: {
    isSubmitEnabled() {
      return this.formState.title.trim() !== '';
    },
    shouldShowDeleteButton() {
      return this.canDestroy && this.showDeleteButton;
    },
  },
  methods: {
    closeForm() {
      eventHub.$emit('close.form');
    },
    deleteIssuable() {
      const confirmMessage = sprintf(__('%{issuableType} will be removed! Are you sure?'), {
        issuableType: issuableTypes[this.issuableType],
      });
      // eslint-disable-next-line no-alert
      if (window.confirm(confirmMessage)) {
        this.deleteLoading = true;

        eventHub.$emit('delete.issuable');
      }
    },
  },
};
</script>

<template>
  <div class="prepend-top-default append-bottom-default clearfix">
    <button
      :class="{ disabled: formState.updateLoading || !isSubmitEnabled }"
      :disabled="formState.updateLoading || !isSubmitEnabled"
      class="btn btn-success float-left qa-save-button"
      type="submit"
      @click.prevent="updateIssuable">
      Save changes
      <i
        v-if="formState.updateLoading"
        class="fa fa-spinner fa-spin"
        aria-hidden="true">
      </i>
    </button>
    <button
      class="btn btn-default float-right"
      type="button"
      @click="closeForm">
      Cancel
    </button>
    <button
      v-if="shouldShowDeleteButton"
      :class="{ disabled: deleteLoading }"
      :disabled="deleteLoading"
      class="btn btn-danger float-right append-right-default qa-delete-button"
      type="button"
      @click="deleteIssuable">
      Delete
      <i
        v-if="deleteLoading"
        class="fa fa-spinner fa-spin"
        aria-hidden="true">
      </i>
    </button>
  </div>
</template>
