import {z} from 'zod'

export type GetApiSettingsArgs = {nextToken?: string | undefined, pageSize?: number | undefined, entity_type?: string | undefined, entity_id?: string | undefined, setting_id?: string | undefined, namespace?: string | undefined};

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

export const settingDataType = z.enum(["STRING", "NUMERIC", "JSON", "JSON_LOGIC"]);

export const setting = z.object({id: z.string(), value: z.string(), entityType: z.string(), entityId: z.string(), namespace: z.string(), name: z.string(), dataType: settingDataType});

export const paginationOptions = z.object({pageSize: z.number().int().optional(), sortOrder: z.enum(["ASC", "DESC"]).optional()});

export const settingPaginatedResponse = z.object({data: z.array(setting).optional(), nextToken: z.string().optional(), context: paginationOptions.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
};

/**
 * Lists settings
 * 
 * GET /settings
 */
export const getApiSettings = async (args: GetApiSettingsArgs, options?: GetApiSettingsOptions) => {
const {baseUrl = "https://api.togai.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.nextToken != null) query.append("nextToken", String(args.nextToken))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.entity_type != null) query.append("entity_type", String(args.entity_type))
if (args.entity_id != null) query.append("entity_id", String(args.entity_id))
if (args.setting_id != null) query.append("setting_id", String(args.setting_id))
if (args.namespace != null) query.append("namespace", String(args.namespace))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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