import {EventJoinOptions} from "@/types/event.model";
<docs>
A button to set your participation

##### If the participant has been confirmed
```vue
<ParticipationButton :participation="{ role: 'PARTICIPANT' }" :currentActor="{ preferredUsername: 'test', avatar: { url: 'https://huit.re/EPX7vs1j' } }" />
```

##### If the participant has not being approved yet
```vue
<ParticipationButton :participation="{ role: 'NOT_APPROVED' }" :currentActor="{ preferredUsername: 'test', avatar: { url: 'https://huit.re/EPX7vs1j' } }" />
```

##### If the participant has been rejected
```vue
<ParticipationButton :participation="{ role: 'REJECTED' }" :currentActor="{ preferredUsername: 'test', avatar: { url: 'https://huit.re/EPX7vs1j' } }" />
```

##### If the participant doesn't exist yet
```vue
<ParticipationButton :participation="null" :currentActor="{ preferredUsername: 'test', avatar: { url: 'https://huit.re/EPX7vs1j' } }" />
```
</docs>

<template>
    <div class="participation-button">
        <b-dropdown aria-role="list" position="is-bottom-left" v-if="participation && participation.role === ParticipantRole.PARTICIPANT">
            <button class="button is-success is-large" type="button" slot="trigger">
                <b-icon icon="check" />
                <template>
                    <span>{{ $t('I participate') }}</span>
                </template>
                <b-icon icon="menu-down" />
            </button>

            <b-dropdown-item :value="false" aria-role="listitem" @click="confirmLeave" class="has-text-danger">
                {{ $t('Cancel my participation…')}}
            </b-dropdown-item>
        </b-dropdown>

        <div v-else-if="participation && participation.role === ParticipantRole.NOT_APPROVED">
            <b-dropdown aria-role="list" position="is-bottom-left" class="dropdown-disabled">
                <button class="button is-success is-large" type="button" slot="trigger">
                    <b-icon icon="timer-sand-empty" />
                    <template>
                        <span>{{ $t('I participate') }}</span>
                    </template>
                    <b-icon icon="menu-down" />
                </button>

                <!--                <b-dropdown-item :value="false" aria-role="listitem">-->
                <!--                  {{ $t('Change my identity…')}}-->
                <!--                </b-dropdown-item>-->

                <b-dropdown-item :value="false" aria-role="listitem" @click="confirmLeave" class="has-text-danger">
                    {{ $t('Cancel my participation request…')}}
                </b-dropdown-item>
            </b-dropdown>
            <small>{{ $t('Participation requested!')}}</small><br />
            <small>{{ $t('Waiting for organization team approval.')}}</small>
        </div>

        <div v-else-if="participation && participation.role === ParticipantRole.REJECTED">
            <span>{{ $t('Unfortunately, your participation request was rejected by the organizers.')}}</span>
        </div>

        <b-dropdown aria-role="list" position="is-bottom-left" v-else-if="!participation && currentActor.id">
            <button class="button is-primary is-large" type="button" slot="trigger">
                <template>
                    <span>{{ $t('Participate') }}</span>
                </template>
                <b-icon icon="menu-down" />
            </button>

            <b-dropdown-item :value="true" aria-role="listitem" @click="joinEvent(currentActor)">
                <div class="media">
                    <div class="media-left">
                        <figure class="image is-32x32" v-if="currentActor.avatar">
                            <img class="is-rounded" :src="currentActor.avatar.url" alt="" />
                        </figure>
                    </div>
                    <div class="media-content">
                        <span>{{ $t('as {identity}', {identity: currentActor.name || `@${currentActor.preferredUsername}` }) }}</span>
                    </div>
                </div>
            </b-dropdown-item>

            <b-dropdown-item :value="false" aria-role="listitem" @click="joinModal" v-if="identities.length > 1">
                {{ $t('with another identity…')}}
            </b-dropdown-item>
        </b-dropdown>
        <b-button tag="router-link" :to="{ name: RouteName.EVENT_PARTICIPATE_LOGGED_OUT, params: { uuid: event.uuid } }" v-else-if="!participation && hasAnonymousParticipationMethods" type="is-primary" size="is-large" native-type="button">{{ $t('Participate') }}</b-button>
        <b-button tag="router-link" :to="{ name: RouteName.EVENT_PARTICIPATE_WITH_ACCOUNT, params: { uuid: event.uuid } }" v-else-if="!currentActor.id" type="is-primary" size="is-large" native-type="button">{{ $t('Participate') }}</b-button>
    </div>
</template>

<script lang="ts">
import { Component, Prop, Vue } from 'vue-property-decorator';
import { EventJoinOptions, IEvent, IParticipant, ParticipantRole } from '@/types/event.model';
import { IPerson, Person } from '@/types/actor';
import { CURRENT_ACTOR_CLIENT, IDENTITIES } from '@/graphql/actor';
import { CURRENT_USER_CLIENT } from '@/graphql/user';
import { CONFIG } from '@/graphql/config';
import { IConfig } from '@/types/config.model';
import { RouteName } from '@/router';

@Component({
  apollo: {
    currentUser: {
      query: CURRENT_USER_CLIENT,
    },
    currentActor: CURRENT_ACTOR_CLIENT,
    config: CONFIG,
    identities: {
      query: IDENTITIES,
      update: ({ identities }) => identities ? identities.map(identity => new Person(identity)) : [],
      skip() {
        return this.currentUser.isLoggedIn === false;
      },
    },
  },
})
export default class ParticipationButton extends Vue {
  @Prop({ required: true }) participation!: IParticipant;
  @Prop({ required: true }) event!: IEvent;
  @Prop({ required: true }) currentActor!: IPerson;

  ParticipantRole = ParticipantRole;
  identities: IPerson[] = [];
  config!: IConfig;
  RouteName = RouteName;

  joinEvent(actor: IPerson) {
    if (this.event.joinOptions === EventJoinOptions.RESTRICTED) {
      this.$emit('joinEventWithConfirmation', actor);
    } else {
      this.$emit('joinEvent', actor);
    }
  }

  joinModal() {
    this.$emit('joinModal');
  }

  confirmLeave() {
    this.$emit('confirmLeave');
  }

  get hasAnonymousParticipationMethods(): boolean {
    return this.event.options.anonymousParticipation;
  }
}
</script>

<style lang="scss" scoped>
    .participation-button {
        .dropdown {
            display: flex;
            justify-content: flex-end;

            &.dropdown-disabled button {
                opacity: 0.5;
            }
        }
    }

    .anonymousParticipationModal {
        /deep/ .animation-content {
            z-index: 1;
        }
    }
</style>