import {z} from 'zod'

export type GetApiV1AiHookLeadIdArgs = {leadId: string};

export type GetApiV1AiHookLeadIdOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const aiHookRecord = z.object({leadId: z.string().optional(), hook: z.string().nullable().optional(), locale: z.string().optional(), mode: z.enum(["native", "translate"]).optional(), generatedAt: z.string().nullable().optional(), modelVersion: z.string().nullable().optional(), status: z.enum(["pending", "generating", "complete", "failed"]).optional()});

export const aiHookRetrieveResponse = z.object({success: z.boolean().optional(), data: aiHookRecord.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
};

/**
 * Retrieve the most recent AI hook for a lead (free)
 * 
 * GET /v1/ai/hook/{leadId}
 * 
 * Also accepts auth: apiKeyAuth
 */
export const getApiV1AiHookLeadId = async (args: GetApiV1AiHookLeadIdArgs, options?: GetApiV1AiHookLeadIdOptions) => {
const {baseUrl = "https://api.meirra.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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

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

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

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