import {z} from 'zod'

export type PublicExternalTargetIdentifier = {supplierId?: (string | null) | undefined, customerId?: (string | null) | undefined, ownId?: (string | null) | undefined, prewaveId?: (number | null) | undefined, source?: (string | null) | undefined};

export type PublicExternalTargetScore = {eventTypeKey: string, scoreValue: number, comment?: (string | null) | undefined};

export type PublicExternalTargetScoreCollection = {identifier: PublicExternalTargetIdentifier, scores: Array<PublicExternalTargetScore>};

export type PublicExternalScoreCreationRequest = {data: Array<PublicExternalTargetScoreCollection>};

export type CreateApiPublicV1ScoresExternalsArgs = {body: PublicExternalScoreCreationRequest};

export type CreateApiPublicV1ScoresExternalsOptions = {baseUrl?: string | undefined, TokenAuthentication?: string | undefined, fetch?: typeof fetch | undefined};

export const publicExternalTargetIdentifier = z.object({supplierId: z.string().nullable().optional(), customerId: z.string().nullable().optional(), ownId: z.string().nullable().optional(), prewaveId: z.number().int().nullable().optional(), source: z.string().nullable().optional()});

export const publicExternalScoreCreationErrorReason = z.enum(["INVALID_IDENTIFIER", "TARGET_NOT_FOUND", "MULTIPLE_TARGETS_MATCHED", "UNKNOWN_EVENT_TYPE", "PERSIST_ERROR", "UNEXPECTED_ERROR"]);

export const publicExternalScoreCreationError = z.object({entryIndex: z.number().int(), scoreIndex: z.number().int().nullable().optional(), identifier: publicExternalTargetIdentifier, eventTypeKey: z.string().nullable().optional(), reason: publicExternalScoreCreationErrorReason, message: z.string()});

export const publicExternalScoreCreationResponse = z.object({success: z.boolean(), totalCount: z.number().int(), validCount: z.number().int(), resolvedCount: z.number().int(), writtenCount: z.number().int(), skippedCount: z.number().int(), errors: z.array(publicExternalScoreCreationError)});

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
};

/**
 * Upload external scores for one or more suppliers
 * 
 * POST /public/v1/scores/externals
 */
export const createApiPublicV1ScoresExternals = async (args: CreateApiPublicV1ScoresExternalsArgs, options?: CreateApiPublicV1ScoresExternalsOptions) => {
const {baseUrl = "https://api.prewave.com", fetch: fetchFn = fetch, TokenAuthentication} = options ?? {}

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

if (TokenAuthentication !== undefined) headers.set("X-Auth-Token", TokenAuthentication)

const url = `${baseUrl.replace(/\/+$/, '')}/public/v1/scores/externals${query.size > 0 ? `?${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(publicExternalScoreCreationResponse, await res.json())
};