import {z} from 'zod'

export type FeatureBaseInput = {name?: (string | null) | undefined, description?: (string | null) | undefined, privileges?: (Array<{code: string, name?: (string | null) | undefined, value_type?: ('integer' | 'boolean' | 'string' | 'select') | undefined, config?: ({select_options?: Array<string> | undefined}) | undefined}>) | undefined};

export type FeatureUpdateInput = {feature: FeatureBaseInput};

export type UpdateApiFeaturesCodeArgs = {body: FeatureUpdateInput};

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

export const featurePrivilegeObject = z.object({code: z.string(), name: z.string().nullable(), value_type: z.enum(["integer", "boolean", "string", "select"]), config: z.object({select_options: z.array(z.string()).optional()})});

export const featureObject = z.object({code: z.string(), name: z.string().nullable(), description: z.string().nullable(), privileges: z.array(featurePrivilegeObject), created_at: z.string()});

export const feature = z.object({feature: featureObject});

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
};

/**
 * Update a feature
 * 
 * PUT /features/{code}
 */
export const updateApiFeaturesCode = async (args: UpdateApiFeaturesCodeArgs, options?: UpdateApiFeaturesCodeOptions) => {
const {baseUrl = "https://api.getlago.com/api/v1", 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 = `${baseUrl.replace(/\/+$/, '')}/features/${encodeURIComponent(String(args.code))}${query.size > 0 ? `?${query}` : ''}`

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