import {z} from 'zod'

export type GetApiTransformV1WorkflowsArgs = {limit?: number | undefined, created_at?: string | undefined, schema?: string | undefined};

export type GetApiTransformV1WorkflowsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const transformNext = z.object({code: z.string().optional(), status: z.enum(["OK", "SKIP", "KO", "TIMEOUT"]).optional(), step_id: z.string().optional(), steps: z.array(z.lazy(() => transformStep)).optional(), stop: z.boolean().optional()});

export const transformStep: z.ZodType<TransformStep> = z.object({action: z.string().optional(), config: z.object({}).optional(), id: z.string().optional(), name: z.string().optional(), next: z.array(transformNext).optional(), notes: z.string().optional(), summary: z.string().optional()});

export const transformWorkflowVersion = z.object({created_at: z.string().optional(), hash: z.string().optional(), name: z.string().optional(), src: z.string().optional(), src_id: z.string().optional(), version: z.string().optional()});

export const transformWorkflow = z.object({country: z.string().optional(), created_at: z.string().optional(), description: z.string().optional(), disabled: z.boolean().optional(), draft: z.boolean().optional(), hash: z.string().optional(), id: z.string().optional(), name: z.string().optional(), rescue: z.array(transformStep).nullable().optional(), schema: z.string().optional(), steps: z.array(transformStep).nullable().optional(), updated_at: z.string().optional(), version: z.string().optional(), versions: z.array(transformWorkflowVersion).optional()});

export const transformWorkflowCollection = z.object({created_at: z.string().optional(), limit: z.number().int().optional(), list: z.array(transformWorkflow).nullable().optional(), next_created_at: z.string().optional(), schema: 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
};

/**
 * Fetch workflows in the current workspace.
 * 
 * GET /transform/v1/workflows
 */
export const getApiTransformV1Workflows = async (args: GetApiTransformV1WorkflowsArgs, options?: GetApiTransformV1WorkflowsOptions) => {
const {baseUrl = "https://api.invopop.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.created_at != null) query.append("created_at", String(args.created_at))
if (args.schema != null) query.append("schema", String(args.schema))

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