<template>
  <div class="row form-group mt-3" :key="$attrs.key">
    <template v-if="enableSuggestion">
      <label
        :for="localFormElement.key"
        :class="$attrs.labelClass ?? 'col-md-2'"
        >{{ localFormElement.label }}:</label
      >
      <vue-tribute
        :class="[$attrs.inputClass ?? ' col-md-10']"
        :options="tributeOptions"
      >
        <textarea
          @tribute-no-match="noMatchFound"
          @tribute-replaced="textReplaced"
          :ref="localFormElement.key"
          class="form-control"
          @focus="clearErrors"
          @blur="validate"
          @change="validate"
          :placeholder="localFormElement.placeholder"
          :id="localFormElement.key"
          :name="localFormElement.key"
          v-model="textValue"
          cols="30"
          :rows="getRows()"
        >
        </textarea>
      </vue-tribute>
      <context-menu
        style="position: static; display: inline-flex"
        v-if="contextMenu.length"
        :id="'context-menu-' + localFormElement.key"
        :contextMenu="contextMenu"
        @other="methodName($event)"
      >
      </context-menu>
    </template>

    <template v-else>
      <label
        :for="localFormElement.key"
        :class="$attrs.labelClass ?? 'col-md-3'"
        >{{ localFormElement.label }}:</label
      >
      <div class="mt-2"  :class="[$attrs.inputClass ?? ' col-md-9']">
        <textarea
          @tribute-no-match="noMatchFound"
          @tribute-replaced="textReplaced"
          :ref="localFormElement.key"
          class="form-control"
          @focus="clearErrors"
          @blur="validate"
          @change="validate"
          :placeholder="localFormElement.placeholder"
          :id="localFormElement.key"
          :name="localFormElement.key"
          v-model="textValue"
          cols="30"
          :rows="getRows()"
        >
        </textarea>
      </div>
    </template>
  </div>
</template>

<script>
import formBuilderMixin from "@mixins/formBuilderMixin";
import HttpService from "@services/httpService";
import VueTribute from "vue-tribute";
import apis from "@apis/borhanApi.js";

export default {
  props: {
    enableSuggestion: {
      default: false,
    },
    contextMenu: {
      default() {
        return [];
      },
    },
  },
  mixins: [formBuilderMixin],

  data() {
    return {
      tributeOptions: {
        // symbol or string that starts the lookup
        trigger: "",

        // element to target for @mentions
        iframe: null,

        // class added in the flyout menu for active item
        selectClass: "highlight",

        // class added to the menu container
        containerClass: "tribute-container",

        // class added to each list item
        itemClass: "my-tribute-class",

        // function called on select that returns the content to insert
        selectTemplate: function (item) {
          return item.original.value;
          // return "@" + item.original.value;
        },

        // template for displaying item in menu
        menuItemTemplate: function (item) {
          return item.string;
        },

        // template for when no match is found (optional),
        // If no template is provided, menu is hidden.
        noMatchTemplate:
          '<span class="no-result">مورد مشابهی ثبت نشده است.</span>',

        // specify an alternative parent container for the menu
        // container must be a positioned element for the menu to appear correctly ie. `position: relative;`
        // default container is the body
        menuContainer: document.body,

        // column to search against in the object (accepts function or string)
        lookup: "key",

        // column that contains the content to insert by default
        fillAttr: "value",

        // REQUIRED: array of objects to match or a function that returns data (see 'Loading remote data' for an example)
        values: [
          {
            key: "سلام",
            value: "سلام",
          },
          {
            key: "باسلام",
            value: "باسلام",
          },
          {
            key: "علیک سلام",
            value: "علیک سلام",
          },
          {
            key: "بی سلام",
            value: "بی سلام",
          },
          {
            key: "صدتا سلام",
            value: "صدتا سلام",
          },
        ],
        // values: ["سلام", "باسلام", "علیک سلام", "بی سلام", "صدتا سلام"],
        // values: (text, cb) => {
        //   this.remoteSearch(text, (items) => cb(items));
        // },
        // When your values function is async, an optional loading template to show
        loadingItemTemplate: null,

        // specify whether a space is required before the trigger string
        requireLeadingSpace: true,

        // specify whether a space is allowed in the middle of mentions
        allowSpaces: true,

        // optionally specify a custom suffix for the replace text
        // (defaults to empty space if undefined)
        // replaceTextSuffix: "",

        // specify whether the menu should be positioned.  Set to false and use in conjuction with menuContainer to create an inline menu
        // (defaults to true)
        positionMenu: true,

        // when the spacebar is hit, select the current match
        spaceSelectsMatch: false,

        // turn tribute into an autocomplete
        autocompleteMode: true,

        // Customize the elements used to wrap matched strings within the results list
        // defaults to <span></span> if undefined
        searchOpts: {
          pre: "<span>",
          post: "</span>",
          skip: false, // true will skip local search, useful if doing server-side search
        },

        // Limits the number of items in the menu
        menuItemLimit: 25,

        // specify the minimum number of characters that must be typed before menu appears
        menuShowMinLength: 0,
      },
      httpService: undefined,
    };
  },
  mounted() {
    this.httpService = new HttpService();
  },
  methods: {
    getRows() {
      if (this.localFormElement?.rows) return this.localFormElement?.rows;
      return "3";
    },
    noMatchFound(args) {
      console.info(args);
    },
    textReplaced(args) {
      console.info(args);
    },
    methodName(action, index = 0) {
      try {
        this[action](index);
      } catch (err) {
        this.$emit(action, index);
      }
    },
    remoteSearch(input, callback) {
      console.info(input);

      return this.httpService
        .getRequest(apis.concept.annotations.read + "?ontology_id=" + input)
        .then((res) => {
          callback(res.data);
        })
        .catch((e) => {
          callback([]);
        })
        .finally(() => {
          this.fetchingData = false;
        });
    },
  },
  components: {
    VueTribute: () => import("vue-tribute"),
  },
};
</script>

<style scoped>
.form-control {
  height: auto !important;
}
</style>

<style>
.tribute-container {
  position: absolute;
  top: 0;
  left: 0;
  height: auto;
  overflow: auto;
  max-height: 25em;
  overflow: auto;
  display: block;
  z-index: 999999;

  transform: translate(-80px, 7px);
  box-shadow: 0 9px 8px -3px rgba(64, 60, 67, 0.24),
    8px 0 8px -7px rgba(64, 60, 67, 0.24),
    -8px 0 8px -7px rgba(64, 60, 67, 0.24);

  box-shadow: 0px 0px 14px 0px #eee;

  border-radius: 0.3em;
  background: #ededed;
}

.tribute-container ul {
  margin: 0;
  margin-top: 2px;
  padding: 0;
  list-style: none;
  /* background: #efefef; */
}
.tribute-container li {
  padding: 0.5em 1em;
  cursor: pointer;
}
.tribute-container li.highlight {
  /* background: #ddd; */
}
.tribute-container li span {
  font-weight: bold;
}
.tribute-container li.no-match {
  cursor: default;
}
.tribute-container .menu-highlighted {
  font-weight: bold;
}
</style>
