import {z} from 'zod'

export type ModelType = 'gpt-4.1' | 'gpt-4.1-mini' | 'gpt-4.1-nano' | 'gpt-4-omnimodel-mini' | 'gpt-4-omnimodel' | 'gpt-4-omnimodel-128k' | 'gpt-4-turbo' | 'gpt-4-turbo-128k' | 'gpt-4' | 'gpt-4-32k' | 'gpt-3.5-turbo' | 'gpt-3.5-turbo-1106' | 'gpt-3.5-turbo-16k' | 'falcon' | 'mistral' | 'wizardlm' | 'gemma' | 'llama2' | 'llama3' | 'llama3_8b' | 'cohere' | 'claude_3_opus_9k' | 'claude_3_opus_32k' | 'claude_3_opus_128k' | 'claude_3_opus_200k' | 'claude_3_sonnet' | 'claude_3_dot_5_sonnet' | 'claude_3_haiku' | 'claude_3_dot_7_sonnet' | 'claude_4_opus' | 'claude_4_sonnet' | 'gemini-2.0-flash' | 'gemini-2.5-flash' | 'gemini-2.0-flash-lite' | 'gpt-5' | 'gpt-5-mini' | 'gpt-5-nano' | 'claude_4_dot_5_sonnet' | 'claude_4_dot_1_opus' | 'claude_4_dot_5_haiku' | 'gemini-2.5-pro' | 'gemini-2.5-flash-lite' | 'gpt-5.1' | 'gemini-3-pro' | 'gpt-5.2' | 'gpt-5.4' | 'gemini-3-flash' | 'claude_4_dot_6_opus' | 'claude_4_6_sonnet' | 'gpt-5.4-mini' | 'gpt-5.4-nano' | 'gpt-5.5' | 'gpt-5.6-sol' | 'gpt-5.6-terra' | 'gpt-5.6-luna' | 'claude_4_7_opus' | 'claude_4_8_opus' | 'claude_5_opus' | 'claude_5_sonnet';

export type CreateApiWhatsappWhatsappIntegrationArgs = {kb_id: string, graph_version?: string | undefined, webhook_verification_token?: string | undefined, phone_number?: string | undefined, business_phone_id?: string | undefined, business_account_id?: string | undefined, test_meta_token?: string | undefined, meta_token?: string | undefined, template_name?: string | undefined, active?: boolean | undefined, enabled?: boolean | undefined, model_type: ModelType};

export type CreateApiWhatsappWhatsappIntegrationOptions = {baseUrl: string, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const modelType = z.enum(["gpt-4.1", "gpt-4.1-mini", "gpt-4.1-nano", "gpt-4-omnimodel-mini", "gpt-4-omnimodel", "gpt-4-omnimodel-128k", "gpt-4-turbo", "gpt-4-turbo-128k", "gpt-4", "gpt-4-32k", "gpt-3.5-turbo", "gpt-3.5-turbo-1106", "gpt-3.5-turbo-16k", "falcon", "mistral", "wizardlm", "gemma", "llama2", "llama3", "llama3_8b", "cohere", "claude_3_opus_9k", "claude_3_opus_32k", "claude_3_opus_128k", "claude_3_opus_200k", "claude_3_sonnet", "claude_3_dot_5_sonnet", "claude_3_haiku", "claude_3_dot_7_sonnet", "claude_4_opus", "claude_4_sonnet", "gemini-2.0-flash", "gemini-2.5-flash", "gemini-2.0-flash-lite", "gpt-5", "gpt-5-mini", "gpt-5-nano", "claude_4_dot_5_sonnet", "claude_4_dot_1_opus", "claude_4_dot_5_haiku", "gemini-2.5-pro", "gemini-2.5-flash-lite", "gpt-5.1", "gemini-3-pro", "gpt-5.2", "gpt-5.4", "gemini-3-flash", "claude_4_dot_6_opus", "claude_4_6_sonnet", "gpt-5.4-mini", "gpt-5.4-nano", "gpt-5.5", "gpt-5.6-sol", "gpt-5.6-terra", "gpt-5.6-luna", "claude_4_7_opus", "claude_4_8_opus", "claude_5_opus", "claude_5_sonnet"]);

export const whatsappIntegration = z.object({id: z.string().optional(), date_created: z.string().optional(), date_updated: z.string().optional(), user_id: z.string(), kb_id: z.string(), graph_version: z.string().optional(), webhook_verification_token: z.string().optional(), phone_number: z.string().optional(), business_phone_id: z.string().optional(), business_account_id: z.string().optional(), test_meta_token: z.string().optional(), meta_token: z.string().optional(), template_name: z.string().optional(), active: z.boolean().optional(), enabled: z.boolean().optional(), model_type: modelType.optional()});

export const whatsappIntegrationResponse = z.object({integration: whatsappIntegration, err_message: 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
};

/**
 * Create Whatsapp Integration
 * 
 * POST /whatsapp/whatsapp-integration
 * 
 * Also accepts auth: OAuth2PasswordBearer
 */
export const createApiWhatsappWhatsappIntegration = async (args: CreateApiWhatsappWhatsappIntegrationArgs, options: CreateApiWhatsappWhatsappIntegrationOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args.kb_id != null) query.append("kb_id", String(args.kb_id))
if (args.graph_version != null) query.append("graph_version", String(args.graph_version))
if (args.webhook_verification_token != null) query.append("webhook_verification_token", String(args.webhook_verification_token))
if (args.phone_number != null) query.append("phone_number", String(args.phone_number))
if (args.business_phone_id != null) query.append("business_phone_id", String(args.business_phone_id))
if (args.business_account_id != null) query.append("business_account_id", String(args.business_account_id))
if (args.test_meta_token != null) query.append("test_meta_token", String(args.test_meta_token))
if (args.meta_token != null) query.append("meta_token", String(args.meta_token))
if (args.template_name != null) query.append("template_name", String(args.template_name))
if (args.active != null) query.append("active", String(args.active))
if (args.enabled != null) query.append("enabled", String(args.enabled))
if (args.model_type != null) query.append("model_type", String(args.model_type))
if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/whatsapp/whatsapp-integration${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

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

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