export type IWord = {
    name: string,
    pronounciation: {
        text: string,
        audio: string, // URL for the audio file
    },
    similarWords: Array<IWord>,
    gramaticalDetails: Array<{
        type: 'NOUN' | 'PRONOUN' | 'ADJECTIVE' | 'VERB' | 'ADVERB' | 'PREPOSITION' | 'CONJUNCTION' | 'INTERJECTION',
        description: string,
        examples: Array<string>,
    }>
}

export type IShelf = {
    name: string,
    description: string,
    viewType: 'PUBLIC' | 'PRIVATE' | 'FRIENDS' | 'FOLLOWERS',
    isArchived: boolean,
    addedWords: Array<{
        word: IWord,
        notes: Array<string>,
        isFavourite: boolean,
        nextRevisionDateTime: Date,
        revisionHistory : Array<{
            day: Date,
            wasRecallSuccessful: boolean,  
        }>
    }>
}

export type ICategory = {
    name: string,
    icon: string,
    shelves: Array<IShelf>,
    isArchived: boolean,
}

export type IUser = {
    // For Auth purposes
    _id: string,
    name: string,
    email: string,
    password: string,
    isVerified: boolean,
    otp: number,

    // Other records
    categories: Array<ICategory>
}