import {z} from 'zod'

export type GetApiRoutingStrategiesIdArgs = {id: string};

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

export const messageRoutingMethod = z.enum(["all", "single"]);

export const messageRoutingChannel = z.union([z.string(), z.lazy(() => messageRouting)]);

export const messageRouting: z.ZodType<MessageRouting> = z.object({method: messageRoutingMethod, channels: z.array(messageRoutingChannel)});

export const routingMethod = z.enum(["all", "single"]);

export const timeouts = z.object({provider: z.number().int().nullable().optional(), channel: z.number().int().nullable().optional()});

export const uTM = z.object({source: z.string().nullable().optional(), medium: z.string().nullable().optional(), campaign: z.string().nullable().optional(), term: z.string().nullable().optional(), content: z.string().nullable().optional()});

export const channelMetadata = z.object({utm: uTM.optional()});

export const channel = z.object({brand_id: z.string().nullable().optional(), providers: z.array(z.string()).nullable().optional(), routing_method: routingMethod.optional(), if: z.string().nullable().optional(), timeouts: timeouts.optional(), override: z.record(z.string(), z.unknown()).nullable().optional(), metadata: channelMetadata.optional()});

export const messageChannels = z.record(z.string(), channel);

export const metadata = z.object({utm: uTM.optional()});

export const messageProvidersType = z.object({override: z.record(z.string(), z.unknown()).nullable().optional(), if: z.string().nullable().optional(), timeouts: z.number().int().nullable().optional(), metadata: metadata.optional()});

export const messageProviders = z.record(z.string(), messageProvidersType);

export const routingStrategyGetResponse = z.object({id: z.string(), name: z.string(), description: z.string().nullable().optional(), tags: z.array(z.string()).nullable().optional(), routing: messageRouting, channels: messageChannels, providers: messageProviders, created: z.number().int(), creator: z.string(), updated: z.number().int().nullable().optional(), updater: z.string().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
};

/**
 * Get Routing Strategy
 * 
 * GET /routing-strategies/{id}
 */
export const getApiRoutingStrategiesId = async (args: GetApiRoutingStrategiesIdArgs, options?: GetApiRoutingStrategiesIdOptions) => {
const {baseUrl = "https://api.courier.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/routing-strategies/${encodeURIComponent(String(args.id))}${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(routingStrategyGetResponse, await res.json())
};