import Vue from 'vue';
import HTTP from './http';
import simpleShortcut from './filter';

Vue.filter('simpleShortcut', simpleShortcut);


const vm = new Vue({
  el: '#mail-app',
  delimiters: ['[[', ']]'],
  data: {
    labels: [],
    labelText: '',
    selectedKey: '',
    checkedKey: [],
    shortcutKey: '',
    backgroundColor: '#209cee',
    textColor: '#ffffff',
    messages: [],
  },

  computed: {
    /**
      * combineKeys: Combine selectedKey and checkedKey to get shortcutKey
      * saveKeys: Save null to database if shortcutKey is empty string
      */
    combineKeys: function () {
      this.shortcutKey = '';

      // If checkedKey exits, add it to shortcutKey
      if (this.checkedKey.length > 0) {
        this.checkedKey.sort();
        this.shortcutKey = this.checkedKey.join(' ');

        // If selectedKey exist, add it to shortcutKey
        if (this.selectedKey.length !== 0) {
          this.shortcutKey = this.shortcutKey + ' ' + this.selectedKey;
        }
      }

      // If only selectedKey exist, assign to shortcutKey
      if (this.shortcutKey.length === 0 && this.selectedKey.length !== 0) {
        this.shortcutKey = this.selectedKey;
      }
      return this.shortcutKey;
    },

    saveKeys: function () {
      this.shortcutKey = this.combineKeys;
      if (this.shortcutKey === '') {
        return null;
      }
      return this.shortcutKey;
    },
  },

  methods: {
    addLabel() {
      const payload = {
        text: this.labelText,
        shortcut: this.saveKeys,
        background_color: this.backgroundColor,
        text_color: this.textColor,
      };
      HTTP.post('labels', payload).then((response) => {
        this.reset();
        this.labels.push(response.data);
      });
    },

    removeLabel(label) {
      const labelId = label.id;
      HTTP.delete(`labels/${labelId}`).then((response) => {
        const index = this.labels.indexOf(label);
        this.labels.splice(index, 1);
      });
    },

    reset() {
      this.labelText = '';
      this.selectedKey = '';
      this.checkedKey = [];
      this.shortcutKey = '';
      this.backgroundColor = '#209cee';
      this.textColor = '#ffffff';
    },
  },
  created() {
    HTTP.get('labels').then((response) => {
      this.labels = response.data;
    });
  },
});