<template>
  <div>
    <div class="artifact-container">
      <div v-for="artifact in artifacts" class="artifact" @click="toggleSelection(artifact)">
        <div class="artifact-header">
          <input
            type="checkbox"
            v-model="selected"
            :value="artifact.id"
            :id="artifact.id" />
          <strong><label :for="artifact.id">{{artifact.name}}</label></strong>
        </div>
        <div class="artifact-description" v-if="artifact.description">{{artifact.description}}</div>
      </div>
    </div>
    <div
      class="extra-class language-gradle selected-artifacts"
      v-if="selected.length > 0"
      @click="selectAll"
    >
      <div class="selected-artifact-script">
        <span class="token keyword">final def</span>&nbsp;markwon_version =&nbsp;<span class="token string">'latest_version'</span>
      </div>
      <br>
      <div class="selected-artifact-script" v-for="artifact in selectedArtifacts">
        <span>implementation&nbsp;</span><span class="token string">"{{artifact.group}}:{{artifact.id}}:</span><span>$markwon_version</span><span class="token string">"</span>
      </div>
    </div>
  </div>
</template>

<script>

import {artifacts} from '../.artifacts.js';

if (!artifacts) {
    throw 'Artifacts not found. Use `collectArtifacts.js` script to obtain artificats metadata.'
}

export default {
  name: "ArtifactPicker",
  data() {
    return {
      artifacts,
      selected: ['core']
    };
  },
  methods: {
    selectAll(e) {
      let el = e.target;
      while (!el.classList.contains("selected-artifacts")) {
        el = el.parentElement;
      }

      if (document.body.createTextRange) {
        const range = document.body.createTextRange();
        range.moveToElementText(el);
        range.select();
      } else if (window.getSelection) {
        const selection = window.getSelection();
        const range = document.createRange();
        range.selectNodeContents(el);
        selection.removeAllRanges();
        selection.addRange(range);
      }
    },
    toggleSelection(artifact) {
        const index = this.selected.indexOf(artifact.id)
        if (index < 0) {
            this.selected.push(artifact.id);
        } else {
            this.selected.splice(index, 1);
        }
    }
  },
  computed: {
    selectedArtifacts() {
      return this.artifacts.filter(a => this.selected.indexOf(a.id) >= 0);
    }
  }
};
</script>

<style scoped>
.artifact-container {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  margin-top: 0.5em;
}
.artifact {
  flex: 1;
  border: 1px #ccc solid;
  background-color: #fafafa;
  padding: 0.5em;
  margin: 0.2em;
  border-radius: 0.25em;
  min-width: 10em;
  max-width: 10em;
}
.artifact-description {
    font-size: 0.85em;
    margin-top: 0.5em;
}
.selected-artifacts {
  color: white;
  font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
    monospace;
  padding: 16px;
  text-align: left;
  word-spacing: normal;
  word-break: normal;
  word-wrap: normal;
  line-height: 1.5;
  -moz-tab-size: 4;
  hyphens: none;
  font-size: 0.85em;
  margin-top: 0.5em;
}
.selected-artifact-script {
  display: block;
}
</style>