import {z} from 'zod'

export type CreateApiCampaignsCampaignIdTargetingGenerateArgs = {campaignId: string, 'Idempotency-Key'?: string | undefined, body: {audienceIds?: Array<string> | undefined}};

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

export const createApiCampaignsCampaignIdTargetingGenerateResponse = z.object({campaignId: z.string(), campaignType: z.string().nullable(), audiences: z.array(z.object({id: z.string(), name: z.string(), audienceId: z.string().nullable(), status: z.enum(["not_generated", "generating", "ready", "error"]), error: z.string().nullable(), updatedAt: z.string().nullable(), items: z.array(z.object({section: z.string(), label: z.string(), text: z.string(), matchType: z.string().nullable(), source: z.string()}))})), started: z.array(z.string()), skipped: z.array(z.object({id: z.string(), reason: z.string()}))});

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
};

/**
 * Generate targeting
 * 
 * POST /campaigns/{campaignId}/targeting/generate
 */
export const createApiCampaignsCampaignIdTargetingGenerate = async (args: CreateApiCampaignsCampaignIdTargetingGenerateArgs, options?: CreateApiCampaignsCampaignIdTargetingGenerateOptions) => {
const {baseUrl = "https://www.fandom.ai/api/v1", 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['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/campaigns/${encodeURIComponent(String(args.campaignId))}/targeting/generate${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(createApiCampaignsCampaignIdTargetingGenerateResponse, await res.json())
};