import {z} from 'zod'

export type UserClassificationFlagsModel = {is_bot?: (boolean | null) | undefined, is_excluded_from_metrics?: (boolean | null) | undefined};

export type UsersClassificationRequestModel = {users: {[key: string]: UserClassificationFlagsModel}, apply_on_history?: boolean | undefined};

export type PatchApiApiV1UsersClassificationArgs = {body: UsersClassificationRequestModel};

export type PatchApiApiV1UsersClassificationOptions = {baseUrl?: string | undefined, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const usersClassificationResponseModel = z.object({skipped: z.record(z.string(), z.enum(["not_a_git_contributor", "platform_user", "not_found"])).optional(), backfill_history: z.enum(["not_requested", "in_progress", "failed", "null"]).nullable().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
};

/**
 * Classify Users
 * 
 * PATCH /api/v1/users/classification
 */
export const patchApiApiV1UsersClassification = async (args: PatchApiApiV1UsersClassificationArgs, options?: PatchApiApiV1UsersClassificationOptions) => {
const {baseUrl = "https://public-api.linearb.io", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/users/classification${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(usersClassificationResponseModel, await res.json())
};