<SettingsLayout page='settings/instances/{{params.instanceName}}' label="{{params.instanceName}}">
  <h1 class="instance-name-h1">{{params.instanceName}}</h1>

  {{#if verifyCredentials}}
    <h2>Logged in as:</h2>
    <div class="acct-current-user">
      <Avatar account="{{verifyCredentials}}" className="acct-avatar" size="big"/>
      <ExternalLink class="acct-handle"
                    href="{{verifyCredentials.url}}">
        {{'@' + verifyCredentials.acct}}
      </ExternalLink>
      <span class="acct-display-name">{{verifyCredentials.display_name || verifyCredentials.acct}}</span>
    </div>
    <h2>Theme:</h2>
    <form class="theme-chooser" aria-label="Choose a theme">
      {{#each themes as theme}}
        <div class="theme-group">
          <input type="radio" id="choice-theme-{{theme.name}}"
                 value="{{theme.name}}" checked="$currentTheme === theme.name"
                 bind:group="selectedTheme" on:change="onThemeChange()">
          <label for="choice-theme-{{theme.name}}">{{theme.label}}</label>
        </div>
      {{/each}}
    </form>

    <form class="instance-actions" aria-label="Switch to or log out of this instance">
      {{#if $loggedInInstancesInOrder.length > 1 && $currentInstance !== params.instanceName}}
        <button class="primary"
          on:click="onSwitchToThisInstance(event)">
          Switch to this instance
        </button>
      {{/if}}
      <button on:click="onLogOut(event)">Log out</button>
    </form>
  {{/if}}
</SettingsLayout>
<style>
  .acct-current-user {
    background: var(--form-bg);
    border: 1px solid var(--main-border);
    border-radius: 4px;
    padding: 20px;
    display: grid;
    align-items: center;
    font-size: 1.3em;
    grid-template-areas:
        "avatar handle"
        "avatar display-name";
    grid-template-columns: min-content 1fr;
    grid-column-gap: 20px;
    grid-row-gap: 10px;
  }
  :global(.acct-avatar) {
    grid-area: avatar;
  }
  :global(.acct-handle) {
    grid-area: handle;
  }
  .acct-display-name {
    grid-area: display-name;
  }
  .theme-chooser {
    background: var(--form-bg);
    border: 1px solid var(--main-border);
    border-radius: 4px;
    display: block;
    padding: 20px;
    line-height: 2em;
  }
  .theme-group {
    display: flex;
    align-items: center;
  }
  .theme-chooser label {
    margin: 2px 10px 0;
  }
  .instance-actions {
    width: 100%;
    display: flex;
    justify-content: right;
    margin: 20px 0;
  }
  .instance-actions button {
    margin: 0 5px;
    flex-basis: 100%;
  }
  .instance-name-h1 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
</style>
<script>
  import { store } from '../../../_store/store'
  import SettingsLayout from '../../../_components/settings/SettingsLayout.html'
  import ExternalLink from '../../../_components/ExternalLink.html'
  import Avatar from '../../../_components/Avatar.html'
  import { importDialogs } from '../../../_utils/asyncModules'
  import {
    changeTheme,
    switchToInstance,
    logOutOfInstance,
    updateVerifyCredentialsForInstance
  } from '../../../_actions/instances'
  import { themes } from '../../../_static/themes'

  export default {
    components: {
      SettingsLayout,
      ExternalLink,
      Avatar
    },
    store: () => store,
    data: () => ({
      themes: themes,
    }),
    async oncreate() {
      let instanceName = this.get('instanceName')
      await updateVerifyCredentialsForInstance(instanceName)
    },
    computed: {
      instanceName: (params) => params.instanceName,
      selectedTheme: ($instanceThemes, instanceName) => $instanceThemes[instanceName],
      verifyCredentials: ($verifyCredentials, instanceName) => $verifyCredentials && $verifyCredentials[instanceName]
    },
    methods: {
      onThemeChange() {
        let newTheme = this.get('selectedTheme')
        let instanceName = this.get('instanceName')
        changeTheme(instanceName,  newTheme)
      },
      onSwitchToThisInstance(e) {
        e.preventDefault()
        let instanceName = this.get('instanceName')
        switchToInstance(instanceName)
      },
      async onLogOut(e) {
        e.preventDefault()
        let instanceName = this.get('instanceName')

        let dialogs = await importDialogs()
        dialogs.showConfirmationDialog({
          text: `Log out of ${instanceName}?`,
          onPositive() {
            logOutOfInstance(instanceName)
          }
        })
      }
    }
  }
</script>