import {z} from 'zod'

export type CreateApiApiAiV2PdfExtractArgs = {body: BodyInit};

export type CreateApiApiAiV2PdfExtractOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, OrgKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const pdfTag = z.object({name: z.string().optional(), value: z.string().optional(), data: z.record(z.string(), z.unknown()).optional()});

export const pdfTextExtractContent = z.object({text_content: z.string().optional(), tags: z.array(pdfTag).optional()});

export const pdfBoundingBox = z.object({Width: z.number().optional(), Height: z.number().optional(), Left: z.number().optional(), Top: z.number().optional()});

export const pdfPoint = z.object({x: z.number().optional(), y: z.number().optional()});

export const pdfDependency = z.object({Type: z.string().optional(), Ids: z.array(z.string()).optional()});

export const pdfStructuredData = z.object({type: z.string().optional(), position: z.object({BoundingBox: pdfBoundingBox.optional(), Polygon: z.array(pdfPoint).optional()}).optional(), id: z.string().optional(), dependencies: z.array(pdfDependency).optional(), score: z.number().optional(), content: z.string().optional()});

export const pdfJsonExtractContent = z.record(z.string(), z.array(pdfStructuredData));

export const pDFExtractResponse = z.object({id: z.string().optional(), status: z.string().optional(), timestamp: z.number().int().optional(), content: z.union([pdfTextExtractContent, pdfJsonExtractContent]).optional(), processing_count: z.number().int().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
};

/**
 * Extract text or structured data from a PDF file
 * 
 * POST /api/ai/v2/pdf-extract
 */
export const createApiApiAiV2PdfExtract = async (args: CreateApiApiAiV2PdfExtractArgs, options?: CreateApiApiAiV2PdfExtractOptions) => {
const {baseUrl = "https://api.worqhat.com", fetch: fetchFn = fetch, ApiKeyAuth, OrgKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)
if (OrgKeyAuth !== undefined) headers.set("x-org-key", OrgKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/ai/v2/pdf-extract${query.size > 0 ? `?${query}` : ''}`

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

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

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