import {z} from 'zod'

export type GetApiChannelV1SegmentsArgs = {companyGroupId: string, number?: number | undefined, size?: number | undefined, sort?: string | undefined, searchText?: string | undefined};

export type GetApiChannelV1SegmentsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const segment = z.object({id: z.string().optional(), name: z.string().min(1).max(255).optional(), code: z.string().min(1).max(255).optional(), partner: z.string().min(1).max(50).optional(), type: z.enum(["MANUAL", "DYNAMIC"]).optional()});

export const pageMeta = z.object({number: z.number().optional(), size: z.number().optional(), totalElements: z.number().optional(), totalPages: z.number().optional()});

export const pagedSegment = z.object({content: z.array(segment).optional(), page: pageMeta.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
};

/**
 * Read segments
 * 
 * GET /channel/v1/segments
 */
export const getApiChannelV1Segments = async (args: GetApiChannelV1SegmentsArgs, options?: GetApiChannelV1SegmentsOptions) => {
const {baseUrl = "https://marketplace.appdirect.com/api", fetch: fetchFn = fetch} = options ?? {}

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

if (args.companyGroupId != null) query.append("companyGroupId", String(args.companyGroupId))
if (args.number != null) query.append("number", String(args.number))
if (args.size != null) query.append("size", String(args.size))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.searchText != null) query.append("searchText", String(args.searchText))

const url = `${baseUrl.replace(/\/+$/, '')}/channel/v1/segments${query.size > 0 ? `?${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(pagedSegment, await res.json())
};