import {z} from 'zod'

export type ValueType = {key?: string | undefined, value?: string | undefined};

export type ValueTypeList = {values?: Array<ValueType> | undefined};

export type VolumeSplit = {split?: number | undefined, output?: string | undefined};

export type VolumeSplitGroup = {split?: number | undefined, output?: Array<string> | undefined};

export type Output = {connectors?: Array<string> | undefined} | {connectors?: Array<VolumeSplit> | undefined} | {groups?: Array<VolumeSplitGroup> | undefined};

export type RoutingType = 'priority' | 'volume_split' | 'volume_split_priority';

export type ComparisonType = 'equal' | 'not_equal' | 'less_than' | 'less_than_equal' | 'greater_than' | 'greater_than_equal';

export type MetadataValue = {key?: string | undefined, value?: string | undefined};

export type Comparison = {lhs?: string | undefined, comparison?: ComparisonType | undefined, value?: ValueType | undefined, metadata?: {[key: string]: MetadataValue} | undefined};

export type IfStatement = {condition?: Array<Comparison> | undefined, nested?: Array<IfStatement> | undefined};

export type Rule = {name?: string | undefined, routing_type?: RoutingType | undefined, output?: Output | undefined, statements?: Array<IfStatement> | undefined};

export type Program = {globals?: {[key: string]: ValueTypeList} | undefined, default_selection?: Output | undefined, rules?: Array<Rule> | undefined, metadata?: {[key: string]: MetadataValue} | undefined};

export type RoutingRule = {name?: string | undefined, algorithm?: Program | undefined};

export type CreateApiEuclidEuclidServiceCreateArgs = {'x-tenant-id': string, 'x-profile-id': string, 'x-api-key': string, body: RoutingRule};

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

export const createResponse = z.object({algorithm_id: z.string().optional(), name: z.string().optional(), created_at: z.string().optional(), modified_at: z.string().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
};

/**
 * Create a routing Rule
 * 
 * POST /euclid.EuclidService/Create
 */
export const createApiEuclidEuclidServiceCreate = async (args: CreateApiEuclidEuclidServiceCreateArgs, options: CreateApiEuclidEuclidServiceCreateOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args['x-tenant-id'] != null) headers.set("x-tenant-id", String(args['x-tenant-id']))
if (args['x-profile-id'] != null) headers.set("x-profile-id", String(args['x-profile-id']))
if (args['x-api-key'] != null) headers.set("x-api-key", String(args['x-api-key']))

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