import {z} from 'zod'

export type V3BulkCampaignType = 'CAMPAIGN_TYPE_BANNER' | 'CAMPAIGN_TYPE_BANNERX' | 'CAMPAIGN_TYPE_DISPLAY';

export type Campaignv3ApprovalApprovalState = 'APPROVAL_STATE_PENDING' | 'APPROVAL_STATE_APPROVED' | 'APPROVAL_STATE_REJECTED';

export type Campaignv3Approval = {state?: Campaignv3ApprovalApprovalState | undefined, rejectionReason?: string | undefined};

export type V3BulkApproveCampaignRequest = {campaignType?: V3BulkCampaignType | undefined, id?: string | undefined, approval?: Campaignv3Approval | undefined};

export type V3BulkCampaignApprovalRequest = {campaigns: Array<V3BulkApproveCampaignRequest>};

export type CreateApiV3CampaignsBulkApproveArgs = {body: V3BulkCampaignApprovalRequest};

export type CreateApiV3CampaignsBulkApproveOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const v1BulkOperationStatus = z.enum(["BULK_OPERATION_SUBMITTED", "BULK_OPERATION_IN_PROGRESS", "BULK_OPERATION_COMPLETED", "BULK_OPERATION_FAILED"]);

export const v3BulkCampaignApprovalResponse = z.object({bulkId: z.string().optional(), status: v1BulkOperationStatus.optional(), message: 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
};

/**
 * Update campaign approval state
 * 
 * POST /v3/campaigns/bulk/approve
 */
export const createApiV3CampaignsBulkApprove = async (args: CreateApiV3CampaignsBulkApproveArgs, options?: CreateApiV3CampaignsBulkApproveOptions) => {
const {baseUrl = "https://auth.<env>.citrusad.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v3/campaigns/bulk/approve${query.size > 0 ? `?${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(v3BulkCampaignApprovalResponse, await res.json())
};