<!--
  - PiggyBank.vue
  - Copyright (c) 2019 james@firefly-iii.org
  -
  - This file is part of Firefly III (https://github.com/firefly-iii).
  -
  - This program is free software: you can redistribute it and/or modify
  - it under the terms of the GNU Affero General Public License as
  - published by the Free Software Foundation, either version 3 of the
  - License, or (at your option) any later version.
  -
  - This program is distributed in the hope that it will be useful,
  - but WITHOUT ANY WARRANTY; without even the implied warranty of
  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  - GNU Affero General Public License for more details.
  -
  - You should have received a copy of the GNU Affero General Public License
  - along with this program.  If not, see <https://www.gnu.org/licenses/>.
  -->
<template>
  <div v-if="typeof this.transactionType !== 'undefined'"
       class="form-group"
       v-bind:class="{ 'has-error': hasError()}">
    <div class="col-sm-12 text-sm">
      {{ $t('firefly.piggy_bank') }}

    </div>
    <div class="col-sm-12">
      <select ref="piggy" class="form-control" name="piggy_bank[]" @input="handleInput">
        <optgroup v-for="(option, key) in this.piggies" v-bind:label="key">
          <option v-for="piggy in option.piggies" :label="piggy.name_with_balance" :selected="piggy.id === value" :value="piggy.id">
            {{ piggy.name_with_balance }}
          </option>
        </optgroup>
      </select>
      <ul v-for="error in this.error" class="list-unstyled">
        <li class="text-danger">{{ error }}</li>
      </ul>
    </div>
  </div>
</template>

<script>
export default {
  name: "PiggyBank",
  props: ['value', 'transactionType', 'error', 'no_piggy_bank'],
  mounted() {
    this.loadPiggies();
  },
  data() {
    return {
      piggies: [],
    }
  },
  methods: {
    handleInput(e) {
      this.$emit('input', this.$refs.piggy.value);
    },
    hasError: function () {
      return this.error.length > 0;
    },
    loadPiggies: function () {
      let URI = document.getElementsByTagName('base')[0].href + "api/v1/autocomplete/piggy-banks-with-balance?limit=1337";
      axios.get(URI, {}).then((res) => {
        let tempList = {
          0: {
            group: {
              title: this.$t('firefly.default_group_title_name')
            },
            piggies: [
              {
                name_with_balance: this.no_piggy_bank,
                id: 0,
              }
            ],
          }
        };
        for (const key in res.data) {
          if (res.data.hasOwnProperty(key) && /^0$|^[1-9]\d*$/.test(key) && key <= 4294967294) {
            // add to temp list
            let currentPiggy = res.data[key];
            if (null !== currentPiggy.object_group_id) {
              let groupOrder = currentPiggy.object_group_order;
              if(0 === groupOrder) {
                  groupOrder = 1;
              }
              if (!tempList[groupOrder]) {
                tempList[groupOrder] = {
                  group: {
                    title: currentPiggy.object_group_title
                  },
                  piggies: [],
                };
              }
              tempList[groupOrder].piggies.push({
                name_with_balance: currentPiggy.name_with_balance,
                id: currentPiggy.id
              });
            }
            if (null === currentPiggy.object_group_id) {
              // add to empty one:
              tempList[0].piggies.push({name_with_balance: currentPiggy.name_with_balance, id: currentPiggy.id});
            }
            //console.log(currentPiggy);
            this.piggies.push(res.data[key]);
          }
        }
        const ordered = {};
        Object.keys(tempList).sort().forEach(function (key) {
          let groupName = tempList[key].group.title;
          ordered[groupName] = tempList[key];
        });
        // final list:

        this.piggies = ordered;
        // console.log(ordered);
      });
    }
  }
}
</script>
