import {z} from 'zod'

export type GetApiV1ExecutionsArgs = {workflowId?: string | undefined, status?: ('pending' | 'running' | 'completed' | 'failed') | undefined, limit?: number | undefined, cursor?: string | undefined, sortBy?: ('startedAt' | 'completedAt') | undefined, sortOrder?: ('ASC' | 'DESC') | undefined};

export type GetApiV1ExecutionsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const executionStatusOutput = z.object({completedAt: z.string().optional(), currentStepNumber: z.number().int().optional(), errorMessage: z.string().optional(), executionId: z.string().optional(), startedAt: z.string().optional(), status: z.enum(["pending", "running", "completed", "failed"]).optional(), totalSteps: z.number().int().optional(), workflowId: z.string().optional()});

export const executionListOutput = z.object({hasMore: z.boolean().optional(), items: z.array(executionStatusOutput).optional(), nextCursor: 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
};

/**
 * List Executions
 * 
 * GET /v1/executions
 */
export const getApiV1Executions = async (args: GetApiV1ExecutionsArgs, options?: GetApiV1ExecutionsOptions) => {
const {baseUrl = "https://identity.sandbox.lerian.net", fetch: fetchFn = fetch} = options ?? {}

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

if (args.workflowId != null) query.append("workflowId", String(args.workflowId))
if (args.status != null) query.append("status", String(args.status))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))
if (args.sortOrder != null) query.append("sortOrder", String(args.sortOrder))

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