<template>
  <div class="wrap">
    <div class="panels">
      <div>
        <h1>FROM</h1>
        {{ from.error }}
        <Panel v-model="from" @connect="connectFrom" />
        <ul v-if="from.folders">
          <Folders :folder="from.folders" />
        </ul>
      </div>

      <div>
        <h1>TO</h1>
        {{ to.error }}
        <Panel v-model="to" @connect="connectTo" />
        <ul v-if="to.folders">
          <Folders :folder="to.folders" />
        </ul>
      </div>
    </div>

    <button class="button" @click="migrate">
      Migrate!
    </button>

    <div class="progress-screen">
      <b>{{ progress }}</b>
      <br>
      <div class="progress-screen__log">
        <div v-for="(msg, idx) in log" :key="idx">
          {{ msg }}
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import Panel from '../components/Panel.vue';
import Folders from '../components/Folders';

export default {
  components: {
    Panel,
    Folders,
  },

  data () {
    return {
      progress: '',
      log: [],
    };
  },

  computed: {
    from: {
      set (value) {
        this.$store.commit('setFrom', value);
      },
      get () {
        return this.$store.state.from;
      },
    },
    to: {
      set (value) {
        this.$store.commit('setTo', value);
      },
      get () {
        return this.$store.state.to;
      },
    },
  },

  mounted () {
    this.$electron.ipcRenderer.on('imap:listTree:from:reply', (event, folders) => {
      this.from.folders = folders;
    });

    this.$electron.ipcRenderer.on('imap:listTree:to:reply', (event, folders) => {
      this.to.folders = folders;
    });

    this.$electron.ipcRenderer.on('imap:from:error', (event, error) => {
      this.from.error = error;
    });
    this.$electron.ipcRenderer.on('imap:to:error', (event, error) => {
      this.to.error = error;
    });

    this.$electron.ipcRenderer.on('imap:migrate:progress', (event, progress) => {
      this.progress = progress;
      this.log.push(progress);
    });
  },

  methods: {
    connectFrom () {
      this.$electron.ipcRenderer.send('imap:listTree:from', JSON.parse(JSON.stringify(this.from)));
    },

    connectTo () {
      this.$electron.ipcRenderer.send('imap:listTree:to', JSON.parse(JSON.stringify(this.to)));
    },

    async migrate () {
      this.progress = '';
      this.log = [];

      this.$electron.ipcRenderer.send('imap:migrate', {
        from: JSON.parse(JSON.stringify(this.from)),
        to: JSON.parse(JSON.stringify(this.to)),
      });
    },
  },
};
</script>

<style lang="scss">
.panels {
  display: flex;
  justify-content: space-between;
}

ul {
  padding-left: 1em;
  list-style-type: dot;
}
</style>
