export type WhatsappFlow = {
    id: string
    name: string
    status: 'DRAFT' | 'PUBLISHED' | 'DEPRECATED'
    categories: Array<string>
    validation_errors: Array<{
        error: string
        error_type: string
        message: string
    }>
    preview: {
        preview_url: string
        expires_at: string
    }
    endpoint_uri?: string
}

// Ref.: https://developers.facebook.com/documentation/business-messaging/whatsapp/templates/supported-languages/
export const WHATSAPP_TEMPLATE_LANGUAGES = [
    'af',
    'sq',
    'ar',
    'ar_EG',
    'ar_AE',
    'ar_LB',
    'ar_MA',
    'ar_QA',
    'az',
    'be_BY',
    'bn',
    'bn_IN',
    'bg',
    'ca',
    'zh_CN',
    'zh_HK',
    'zh_TW',
    'hr',
    'cs',
    'da',
    'prs_AF',
    'nl',
    'nl_BE',
    'en',
    'en_GB',
    'en_US',
    'en_AE',
    'en_AU',
    'en_CA',
    'en_GH',
    'en_IE',
    'en_IN',
    'en_JM',
    'en_MY',
    'en_NZ',
    'en_QA',
    'en_SG',
    'en_UG',
    'en_ZA',
    'et',
    'fil',
    'fi',
    'fr',
    'fr_BE',
    'fr_CA',
    'fr_CH',
    'fr_CI',
    'fr_MA',
    'ka',
    'de',
    'de_AT',
    'de_CH',
    'el',
    'gu',
    'ha',
    'he',
    'hi',
    'hu',
    'id',
    'ga',
    'it',
    'ja',
    'kn',
    'kk',
    'rw_RW',
    'ko',
    'ky_KG',
    'lo',
    'lv',
    'lt',
    'mk',
    'ms',
    'ml',
    'mr',
    'nb',
    'ps_AF',
    'fa',
    'pl',
    'pt_BR',
    'pt_PT',
    'pa',
    'ro',
    'ru',
    'sr',
    'si_LK',
    'sk',
    'sl',
    'es',
    'es_AR',
    'es_CL',
    'es_CO',
    'es_CR',
    'es_DO',
    'es_EC',
    'es_HN',
    'es_MX',
    'es_PA',
    'es_PE',
    'es_ES',
    'es_UY',
    'sw',
    'sv',
    'ta',
    'te',
    'th',
    'tr',
    'uk',
    'ur',
    'uz',
    'vi',
    'zu',
] as const

export type WhatsAppTemplateLanguage = (typeof WHATSAPP_TEMPLATE_LANGUAGES)[number]

// Components ref.: https://developers.facebook.com/docs/whatsapp/business-management-api/message-templates/components

export type HandleFormats = 'IMAGE' | 'VIDEO' | 'DOCUMENT'

type ExampleType<T extends 'TEXT' | 'LOCATION' | HandleFormats> = T extends 'TEXT'
    ? { header_text?: Array<string> }
    : T extends HandleFormats
      ? { header_handle?: Array<string> }
      : never

export type HeaderComponent<T extends 'TEXT' | 'LOCATION' | HandleFormats> = {
    type: 'HEADER'
    format: T
    text?: T extends 'TEXT' ? string : never
    example?: ExampleType<T>
}

export type BodyComponent = {
    type: 'BODY'
    text: string
    example?: {
        body_text: [Array<string>]
    }
}

export type FooterComponent = {
    type: 'FOOTER'
    text: string
}

export type ButtonComponent = {
    type: 'BUTTONS'
    buttons: Array<{
        type: string
        // biome-ignore lint/suspicious/noExplicitAny: Too hard to type this properly
        [key: string]: any
    }>
}

export type CarouselComponent = {
    type: 'CAROUSEL'
    cards: Array<{
        components: Array<UnknownComponent>
    }>
}

export type UnknownComponent =
    | HeaderComponent<'TEXT' | 'LOCATION' | HandleFormats>
    | BodyComponent
    | FooterComponent
    | ButtonComponent
    | CarouselComponent

export type MessageTemplate = {
    id: string
    name: string
    category: 'AUTHENTICATION' | 'MARKETING' | 'UTILITY'
    status: 'APPROVED' | 'REJECTED' | 'PENDING'
    rejected_reason: string
    language: WhatsAppTemplateLanguage
    last_update_time?: string
    components: Array<UnknownComponent>
}

export type MessageTemplateVariable = {
    type: 'BODY' | 'MEDIA' | 'BUTTON'
    example?: string
}

export type MessageTemplatePreview = {
    headerFormat?: 'TEXT' | 'LOCATION' | 'IMAGE' | 'VIDEO' | 'DOCUMENT'
    headerText?: string
    bodyText?: string
    footerText?: string
    buttons: Array<string>
}