export enum ActivityType {
  PAGE_VIEW = 'PAGE_VIEW',
  MESSAGE = 'MESSAGE',
  CLICK = 'CLICK',
  OPEN = 'OPEN',
}

export interface IFetchActivityAction {
  email?: string
}

export interface IFetchActivitiesOptions {
  accessToken: string,
  size?: number,
  email?: string
}

export interface IActivity {
  id: string,
  type: ActivityType,
  at: number,
  email: string,
  name?: string,
}

export interface IClickTrackActivity extends IActivity {
  click: {
    clickId: string,
    url: string,
    linkText?: string, // everything here and below is optional
    emailUUID?: string,
    emailSubject?: string,
    gmailId?: string,
  }
}

export interface IOpenTrackActivity extends IActivity {
  open: {
    emailUUID?: string,
    emailSubject?: string,
    gmailId?: string,
  }
}

export interface IPageViewActivity extends IActivity {
  event?: {
    attributes: {
      title: string,
      url: string,
    },
  },
  eventAttributes: {
    title: string,
    url: string,
  },
  eventContext?: {
    // TODO
  }
}

export interface IMessageActivity extends IActivity {
  message: {
    inboxId: number,
    conversationId: number,
    messageId: number,
    body: string,
    attachments: number[],
    attributes: {
      preview?: string,
    },
  }
}

export interface IGroupedActivities {
  at: number,
  date: string,
  email: string,
  activities: IActivity[],
  unseen: boolean,
  firstOfDate?: boolean,
}

export interface IActivityState {
  loading: boolean,
  loaded: boolean,
  activitiesById: { [id: string]: IActivity }
  activities: IActivity[]
  activitiesByEmail: IActivity[]
}