import {z} from 'zod'

export type GetApi202601RetailMediaPreferredLineItemsLineItemIdArgs = {'line-item-id': string};

export type GetApi202601RetailMediaPreferredLineItemsLineItemIdOptions = {baseUrl?: string | undefined, oauth?: string | undefined, fetch?: typeof fetch | undefined};

export const lineItemCappingV2 = z.object({count: z.number().int(), type: z.enum(["unknown", "day", "session"])}).nullable();

export const lineItemPageCategoryV2 = z.object({categoryId: z.string(), includeChildren: z.boolean().optional()});

export const lineItemPageV2 = z.object({categories: z.array(lineItemPageCategoryV2).nullable().optional(), pageType: z.enum(["unknown", "search", "home", "browse", "checkout", "category", "productDetail", "confirmation", "merchandising", "deals", "favorites", "searchBar", "categoryMenu"]), searchKeywords: z.array(z.string()).nullable().optional()}).nullable();

export const preferredLineItemV2 = z.object({budget: z.number(), budgetRemaining: z.number().nullable().optional(), budgetSpent: z.number().nullable().optional(), campaignId: z.string(), capping: lineItemCappingV2.optional(), createdAt: z.string().optional(), creativeId: z.string().nullable().optional(), endDate: z.string().nullable().optional(), id: z.string().nullable().optional(), name: z.string().max(255), pacing: z.enum(["unknown", "standard", "accelerated"]).nullable().optional(), page: lineItemPageV2.optional(), startDate: z.string(), status: z.enum(["unknown", "active", "scheduled", "draft", "paused", "budgetHit", "ended", "archived", "noFunds"]), targetRetailerId: z.string(), updatedAt: z.string().optional()});

export const resourceOfPreferredLineItemV2 = z.object({attributes: preferredLineItemV2.optional(), id: z.string().nullable().optional(), type: z.string().nullable().optional()}).nullable();

export const commonProblem = z.object({code: z.string().nullable().optional(), detail: z.string().nullable().optional(), instance: z.string().nullable().optional(), source: z.record(z.string(), z.string()).nullable().optional(), stackTrace: z.string().nullable().optional(), title: z.string().nullable().optional(), traceId: z.string().nullable().optional(), traceIdentifier: z.string().nullable().optional(), type: z.enum(["unknown", "access-control", "authentication", "authorization", "availability", "deprecation", "quota", "validation"]).nullable().optional()});

export const preferredLineItemV2Response = z.object({data: resourceOfPreferredLineItemV2.optional(), errors: z.array(commonProblem).optional(), warnings: z.array(commonProblem).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
};

/**
 * /2026-01/retail-media/preferred-line-items/{line-item-id}
 * 
 * GET /2026-01/retail-media/preferred-line-items/{line-item-id}
 */
export const getApi202601RetailMediaPreferredLineItemsLineItemId = async (args: GetApi202601RetailMediaPreferredLineItemsLineItemIdArgs, options?: GetApi202601RetailMediaPreferredLineItemsLineItemIdOptions) => {
const {baseUrl = "https://api.criteo.com", fetch: fetchFn = fetch, oauth} = options ?? {}

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

if (oauth !== undefined) headers.set('authorization', `Bearer ${oauth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/2026-01/retail-media/preferred-line-items/${encodeURIComponent(String(args['line-item-id']))}${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(preferredLineItemV2Response, await res.json())
};