import {z} from 'zod'

export type CreateApiV2TriggerWorkflowUrlArgs = {workflowUrl: string, 'Upstash-Workflow-RunId'?: string | undefined, 'Upstash-Forward-*'?: string | undefined, 'Upstash-Retries'?: number | undefined, 'Upstash-Delay'?: string | undefined, 'Upstash-Not-Before'?: number | undefined, 'Upstash-Label'?: string | undefined, 'Upstash-Flow-Control-Key'?: string | undefined, 'Upstash-Flow-Control-Value'?: string | undefined, 'Upstash-Failure-Callback'?: string | undefined, 'Upstash-Failure-Callback-Forward-*'?: string | undefined, 'Upstash-Retry-Delay'?: string | undefined, body: Record<string, never>};

export type CreateApiV2TriggerWorkflowUrlOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiV2TriggerWorkflowUrlResponse = z.object({workflowRunId: z.string().optional(), workflowCreatedAt: z.number().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
};

/**
 * Trigger Workflow Run
 * 
 * POST /v2/trigger/{workflowUrl}
 * 
 * Also accepts auth: bearerAuthQuery
 */
export const createApiV2TriggerWorkflowUrl = async (args: CreateApiV2TriggerWorkflowUrlArgs, options?: CreateApiV2TriggerWorkflowUrlOptions) => {
const {baseUrl = "https://qstash-eu-central-1.upstash.io", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args['Upstash-Workflow-RunId'] != null) headers.set("Upstash-Workflow-RunId", String(args['Upstash-Workflow-RunId']))
if (args['Upstash-Forward-*'] != null) headers.set("Upstash-Forward-*", String(args['Upstash-Forward-*']))
if (args['Upstash-Retries'] != null) headers.set("Upstash-Retries", String(args['Upstash-Retries']))
if (args['Upstash-Delay'] != null) headers.set("Upstash-Delay", String(args['Upstash-Delay']))
if (args['Upstash-Not-Before'] != null) headers.set("Upstash-Not-Before", String(args['Upstash-Not-Before']))
if (args['Upstash-Label'] != null) headers.set("Upstash-Label", String(args['Upstash-Label']))
if (args['Upstash-Flow-Control-Key'] != null) headers.set("Upstash-Flow-Control-Key", String(args['Upstash-Flow-Control-Key']))
if (args['Upstash-Flow-Control-Value'] != null) headers.set("Upstash-Flow-Control-Value", String(args['Upstash-Flow-Control-Value']))
if (args['Upstash-Failure-Callback'] != null) headers.set("Upstash-Failure-Callback", String(args['Upstash-Failure-Callback']))
if (args['Upstash-Failure-Callback-Forward-*'] != null) headers.set("Upstash-Failure-Callback-Forward-*", String(args['Upstash-Failure-Callback-Forward-*']))
if (args['Upstash-Retry-Delay'] != null) headers.set("Upstash-Retry-Delay", String(args['Upstash-Retry-Delay']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/trigger/${encodeURIComponent(String(args.workflowUrl))}${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(createApiV2TriggerWorkflowUrlResponse, await res.json())
};