import {z} from 'zod'

export type TextMessage = {type: 'text', userId: string, botId?: string | undefined, text: string};

export type ButtonText = {type: 'text', text: string};

export type ButtonOption = {title: string, description?: string | undefined, payload?: string | undefined};

export type Buttons = {title?: string | undefined, buttonText?: ButtonText | undefined, options: Array<ButtonOption>};

export type TextWithOptionsMessage = {type: 'text', userId: string, botId?: string | undefined, text: string, buttons: Buttons};

export type QuickReply = {title: string};

export type QuickReplyMessage = {type: 'quick_reply', userId: string, botId?: string | undefined, text: string, title?: string | undefined, quick_replies: Array<QuickReply>};

export type ImageMessage = {type: 'image', userId: string, botId?: string | undefined, mediaUrl: string, text?: string | undefined};

export type AudioMessage = {type: 'audio', userId: string, botId?: string | undefined, mediaUrl: string};

export type VideoMessage = {type: 'video', userId: string, botId?: string | undefined, mediaUrl: string, text?: string | undefined};

export type FileMessage = {type: 'file', userId: string, botId?: string | undefined, mediaUrl: string, text?: string | undefined, filename?: string | undefined};

export type StickerMessage = {type: 'sticker', userId: string, botId?: string | undefined, mediaUrl: string};

export type Coordinates = {lat: number, long: number};

export type LocationMessage = {type: 'location', userId: string, botId?: string | undefined, coordinates: Coordinates};

export type ContactName = {formatted_name?: string | undefined, first_name?: string | undefined, last_name?: string | undefined, middle_name?: string | undefined};

export type ContactPhone = {phone?: string | undefined, type?: string | undefined, wa_id?: string | undefined};

export type ContactEmail = {email?: string | undefined, type?: string | undefined};

export type ContactAddress = {street?: string | undefined, city?: string | undefined, state?: string | undefined, zip?: string | undefined, country?: string | undefined, country_code?: string | undefined, type?: string | undefined};

export type Contact = {name?: ContactName | undefined, phones?: Array<ContactPhone> | undefined, emails?: Array<ContactEmail> | undefined, addresses?: Array<ContactAddress> | undefined};

export type ContactsMessage = {type: 'contacts', userId: string, botId?: string | undefined, contacts: Array<Contact>};

export type LocationRequestMessage = {type: 'location_request', userId: string, botId?: string | undefined, text: string};

export type CTAUrlParameters = {url: string, display_text: string};

export type CTAUrlMessage = {type: 'cta_url', userId: string, botId?: string | undefined, title: string, text: string, caption: string, parameters: CTAUrlParameters};

export type VoiceCallParameters = {display_text: string};

export type VoiceCallMessage = {type: 'voice_call', userId: string, botId?: string | undefined, header?: string | undefined, text: string, parameters: VoiceCallParameters};

export type CreateApiV1BotsBotIdMessagesArgs = {botId: string, body: TextMessage | TextWithOptionsMessage | QuickReplyMessage | ImageMessage | AudioMessage | VideoMessage | FileMessage | StickerMessage | LocationMessage | ContactsMessage | LocationRequestMessage | CTAUrlMessage | VoiceCallMessage};

export type CreateApiV1BotsBotIdMessagesOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const messageResponse = z.object({success: z.boolean().optional(), messageId: z.string().optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Send Message
 * 
 * POST /v1/bots/{botId}/messages
 */
export const createApiV1BotsBotIdMessages = async (args: CreateApiV1BotsBotIdMessagesArgs, options?: CreateApiV1BotsBotIdMessagesOptions) => {
const {baseUrl = "https://api.jelou.ai", fetch: fetchFn = fetch, basicAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/bots/${encodeURIComponent(String(args.botId))}/messages${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(messageResponse, await res.json())
};