import {z} from 'zod'

export type GetApiUlsArgs = {pageSize?: number | undefined, pageIndex?: number | undefined, status?: ('UNSOLVED' | 'SOLVED') | undefined};

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

export const minutiae = z.object({query: z.number().int().optional(), reference: z.number().int().optional()});

export const biometricMatch = z.object({score: z.number().int().optional(), queryIndex: z.number().int().optional(), referenceIndex: z.number().int().optional(), minutia: z.array(minutiae).optional()});

export const match = z.object({matchedPersonPguid: z.string().optional(), matchedPersonTguid: z.string().optional(), biometricMatches: z.array(biometricMatch).optional()});

export const biometric = z.object({index: z.number().int().optional(), content: z.string().optional(), width: z.number().int().optional(), height: z.number().int().optional(), resolution: z.number().int().optional()});

export const fragment = z.object({id: z.string().optional(), caseId: z.string().optional(), image: biometric.optional(), template: biometric.optional()});

export const uLAnalysis = z.object({user: z.string().optional(), timestamp: z.number().int().optional()});

export const uL = z.object({uguid: z.string().optional(), status: z.enum(["UNSOLVED", "SOLVED", "ENQUEUED", "FAILED"]).optional(), creationTime: z.number().int().optional(), personPguid: z.string().optional(), personTguid: z.string().optional(), candidates: z.array(match).optional(), linkedULs: z.array(z.string()).optional(), fragment: fragment.optional(), ulAnalysis: uLAnalysis.optional(), isSearchable: z.boolean().optional(), failReason: z.string().optional()});

export const pagination = z.object({total: z.number().int().optional(), count: z.number().int().optional(), pageSize: z.number().int().optional(), currentPage: z.number().int().optional(), totalPages: z.number().int().optional()});

export const listULsResponse = z.object({data: z.array(uL).optional(), pagination: pagination.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
};

/**
 * listULs
 * 
 * GET /uls
 */
export const getApiUls = async (args: GetApiUlsArgs, options?: GetApiUlsOptions) => {
const {baseUrl = "http://<ip>:8085/gbds/v2", fetch: fetchFn = fetch} = options ?? {}

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

if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.pageIndex != null) query.append("pageIndex", String(args.pageIndex))
if (args.status != null) query.append("status", String(args.status))

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