import {z} from 'zod'

export type CreateApiCampaignsCampaignIdResumeArgs = {'Idempotency-Key'?: string | undefined, dryRun?: boolean | undefined};

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

export const campaignTransition = z.object({object: z.literal("campaign"), id: z.string(), status: z.enum(["draft", "active", "paused"]), launched: z.number().int(), launch: z.object({scheduled: z.number().int(), firstScheduledAt: z.string().nullable(), missingRecipientCount: z.number().int(), duplicateActiveCancelledCount: z.number().int(), duplicatePriorCancelledCount: z.number().int(), blocked: z.object({reason: z.string(), message: z.string(), missingChannels: z.array(z.string())}).optional()}).optional(), pause: z.object({stoppedSequences: z.number().int(), haltedSteps: z.number().int(), inFlightSending: z.number().int(), alreadyPaused: z.boolean()}).optional(), resume: z.object({resumedSequences: z.number().int(), noAccountSequences: z.number().int(), missingChannels: z.array(z.string())}).optional()});

export const createApiCampaignsCampaignIdResumeResponse = z.union([campaignTransition, z.object({dryRun: z.literal(true), campaignId: z.string(), wouldResume: z.boolean()})]);

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
};

/**
 * Resume a campaign (idempotent; ?dryRun=true)
 * 
 * POST /campaigns/{campaignId}/resume
 */
export const createApiCampaignsCampaignIdResume = async (args: CreateApiCampaignsCampaignIdResumeArgs, options?: CreateApiCampaignsCampaignIdResumeOptions) => {
const {baseUrl = "https://origami.chat/api/v2", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (args.dryRun != null) query.append("dryRun", String(args.dryRun))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/campaigns/${encodeURIComponent(String(args.campaignId))}/resume${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiCampaignsCampaignIdResumeResponse, await res.json())
};