import {z} from 'zod'

export type GetApiV1PlansArgs = {limit?: number | undefined, cursor?: (string | null) | undefined, search?: (string | null) | undefined, source?: ('orders' | 'routes' | 'snapshot' | null) | undefined, tags?: Array<string> | undefined};

export type GetApiV1PlansOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const dispatchPlanSummary = z.object({id: z.string(), name: z.string(), tags: z.array(z.string()).optional(), source: z.enum(["orders", "routes", "snapshot"]), startDate: z.string().nullable(), endDate: z.string().nullable(), timezoneId: z.string().nullable(), zoneIds: z.array(z.string()), draftRevision: z.number().int(), draftContentHash: z.string(), restoreVersionNumber: z.number().int(), createdAt: z.string(), updatedAt: z.string().nullable()});

export const dispatchPlanList = z.object({plans: z.array(dispatchPlanSummary), nextCursor: z.string().nullable()});

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
};

/**
 * List Dispatch Plans
 * 
 * GET /v1/plans
 */
export const getApiV1Plans = async (args: GetApiV1PlansArgs, options?: GetApiV1PlansOptions) => {
const {baseUrl = "https://api.sandbox.usenash.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.search != null) query.append("search", String(args.search))
if (args.source != null) query.append("source", String(args.source))
for (const item of args.tags ?? []) query.append("tags", String(item))

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