import {z} from 'zod'

export type CreateApiV1FeaturesGetArgs = {'x-api-version': string, body: {feature_id: string}};

export type CreateApiV1FeaturesGetOptions = {baseUrl?: string | undefined, secretKey?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiV1FeaturesGetResponse = z.object({id: z.string(), name: z.string(), type: z.enum(["boolean", "metered", "credit_system", "ai_credit_system"]), consumable: z.boolean(), event_names: z.array(z.string()).optional(), credit_schema: z.array(z.object({metered_feature_id: z.string(), credit_cost: z.number()})).optional(), model_markups: z.record(z.string(), z.object({markup: z.number().gte(-100).optional(), input_cost: z.number().gte(0).optional(), output_cost: z.number().gte(0).optional()})).nullable().optional(), default_markup: z.number().gte(-100).optional(), provider_markups: z.record(z.string(), z.object({markup: z.number().gte(-100)})).nullable().optional(), display: z.object({singular: z.string().nullable().optional(), plural: z.string().nullable().optional()}).optional(), archived: z.boolean()});

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
};

/**
 * Retrieves a single feature by its ID.
 * 
 * POST /v1/features.get
 */
export const createApiV1FeaturesGet = async (args: CreateApiV1FeaturesGetArgs, options?: CreateApiV1FeaturesGetOptions) => {
const {baseUrl = "https://api.useautumn.com", fetch: fetchFn = fetch, secretKey} = options ?? {}

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

if (args['x-api-version'] != null) headers.set("x-api-version", String(args['x-api-version']))
if (secretKey !== undefined) headers.set('authorization', `Bearer ${secretKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/features.get${query.size > 0 ? `?${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(createApiV1FeaturesGetResponse, await res.json())
};