import {z} from 'zod'

export type Type = 'id_card' | 'passport' | 'driver_license' | 'foreign_card' | 'invoice' | 'pdf';

export type Model = string;

export type Files = Array<string>;

export type IsCropped = boolean;

export type ForceDetection = boolean;

export type RetrieveImages = boolean;

export type ProcessBody = {type?: Type | undefined, model?: Model | undefined, files?: Files | undefined, isCropped?: IsCropped | undefined, forceDetection?: ForceDetection | undefined, retrieveImages?: RetrieveImages | undefined};

export type CreateApiApiV1ProcessMultiArgs = {body: ProcessBody};

export type CreateApiApiV1ProcessMultiOptions = {baseUrl: string, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const uRSourceType = z.enum(["viz", "encoded", "nfc", "mrz"]);

export const uROCRSource = z.object({type: uRSourceType, index: z.number().int()});

export const uROCRField = z.object({value: z.string(), confidence: z.number().gte(0).lte(1).optional(), source: uROCRSource.optional()});

export const uRImageType = z.enum(["portrait", "ghost", "signature", "fullFrame", "document", "fingerprint"]);

export const uRImageContent = z.object({data: z.string(), length: z.number().int(), mime_type: z.string().optional()});

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

export const uRRegion = z.object({top_left: uRCoordinates, top_right: uRCoordinates, bottom_left: uRCoordinates, bottom_right: uRCoordinates});

export const uRImage = z.object({type: uRImageType, side: z.number().int().optional(), source: uRSourceType, content: uRImageContent.optional(), region: uRRegion.optional()});

export const uRViz = z.object({field: z.string(), value: z.string(), side: z.number().int(), confidence: z.number().gte(0).lte(1).optional(), alphabet: z.string().optional(), region: uRRegion.optional()});

export const uRMRZ = z.object({side: z.number().int(), confidence: z.number().gte(0).lte(1).optional(), raw: z.string(), fields: z.record(z.string(), z.string()), region: uRRegion.optional()});

export const uREncodedType = z.enum(["qr", "barcode", "pdf"]);

export const uREncoded = z.object({fields: z.record(z.string(), z.string()), type: uREncodedType, side: z.number().int(), raw: z.string(), rawBinary: z.string(), region: uRRegion.optional()});

export const uRNFC = z.object({field: z.string(), value: z.string(), alphabet: z.string().optional()});

export const fieldInconsistency = z.object({field: z.string(), values: z.array(z.string()).optional(), distance: z.number().int()});

export const uRChecks = z.object({field_inconsistency: z.array(fieldInconsistency).optional()});

export const processResultUniversal = z.object({version: z.number().int(), type: z.string(), model: z.string(), ocr: z.record(z.string(), uROCRField), images: z.array(uRImage).optional(), viz: z.array(uRViz), mrz: z.array(uRMRZ).optional(), encoded: z.array(uREncoded).optional(), nfc: z.array(uRNFC).optional(), checks: uRChecks});

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
};

/**
 * Procesa múltiples alfabetos mediante OCR
 * 
 * POST /api/v1/process_multi
 * 
 * Also accepts auth: ApiKeyAuth
 */
export const createApiApiV1ProcessMulti = async (args: CreateApiApiV1ProcessMultiArgs, options: CreateApiApiV1ProcessMultiOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/process_multi${query.size > 0 ? `?${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(processResultUniversal, await res.json())
};