import {z} from 'zod'

export type GetApiAttachmentsArgs = {page_limit?: number | undefined, page_offset?: number | undefined, sort_by?: string | undefined, q?: string | undefined, strategy_id?: number | undefined, dimension?: string | undefined};

export type GetApiAttachmentsOptions = {baseUrl?: string | undefined, Auth0?: string | undefined, fetch?: typeof fetch | undefined};

export const attachmentBase = z.object({id: z.number().int().gte(1), entity_type: z.string().min(1), target_id: z.number().gte(0), strategy_id: z.number().gte(1), restriction: z.enum(["INCLUDE", "EXCLUDE"]).min(1), operator: z.enum(["OR", "AND"]).min(1), created_on: z.string(), updated_on: z.string(), version: z.number(), or_better: z.boolean().optional()});

export const listMetadata = z.object({status: z.string(), count: z.number().int(), total_count: z.number().int().optional(), offset: z.number().int().optional(), next_page: z.string().optional(), prev_page: z.string().optional()});

export const getApiAttachmentsResponse = z.object({data: z.array(attachmentBase).optional(), meta: listMetadata.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
};

/**
 * Get a List of Attachments
 * 
 * GET /attachments
 */
export const getApiAttachments = async (args: GetApiAttachmentsArgs, options?: GetApiAttachmentsOptions) => {
const {baseUrl = "https://api.mediamath.com/api/v3.0", fetch: fetchFn = fetch, Auth0} = options ?? {}

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

if (args.page_limit != null) query.append("page_limit", String(args.page_limit))
if (args.page_offset != null) query.append("page_offset", String(args.page_offset))
if (args.sort_by != null) query.append("sort_by", String(args.sort_by))
if (args.q != null) query.append("q", String(args.q))
if (args.strategy_id != null) query.append("strategy_id", String(args.strategy_id))
if (args.dimension != null) query.append("dimension", String(args.dimension))
if (Auth0 !== undefined) headers.set('authorization', `Bearer ${Auth0}`)

const url = `${baseUrl.replace(/\/+$/, '')}/attachments${query.size > 0 ? `?${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(getApiAttachmentsResponse, await res.json())
};