import {z} from 'zod'

export type LikeEqFilter = {like: string} | {eq: string};

export type LtLteGtGteFilter = {lt: string} | {lte: string} | {gt: string} | {gte: string};

export type SortAscDescDefaultDesc = 'asc' | 'desc';

export type SortAscDesc = 'asc' | 'desc';

export type GetApiGroupsArgs = {start_cursor?: string | undefined, per_page?: number | undefined, filter?: ({name?: LikeEqFilter | undefined, created_at?: LtLteGtGteFilter | undefined, updated_at?: LtLteGtGteFilter | undefined}) | undefined, sort?: ({id?: SortAscDescDefaultDesc | undefined, created_at?: SortAscDesc | undefined, updated_at?: SortAscDesc | undefined}) | undefined};

export type GetApiGroupsOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, accountToken?: string | undefined, fetch?: typeof fetch | undefined};

export const likeEqFilter = z.union([z.object({like: z.string()}), z.object({eq: z.string()})]);

export const ltLteGtGteFilter = z.union([z.object({lt: z.string()}), z.object({lte: z.string()}), z.object({gt: z.string()}), z.object({gte: z.string()})]);

export const sortAscDesc = z.enum(["asc", "desc"]);

export const nullableId = z.number().int().gte(1).nullable();

export const group = z.object({id: z.number().int().gte(1).optional(), created_at: z.string().optional(), updated_at: z.string().optional(), name: z.string(), default: z.boolean(), parent_id: nullableId, ancestry: z.string().nullable()});

export const getApiGroupsResponse = z.object({start_cursor: z.string().nullable().optional(), next_cursor: z.string().nullable().optional(), per_page: z.number().int().optional(), estimated_remaining_count: z.number().int().optional(), filtered_by: z.array(z.union([z.object({name: likeEqFilter.optional()}), z.object({created_at: ltLteGtGteFilter.optional()}), z.object({updated_at: ltLteGtGteFilter.optional()})])).optional(), sorted_by: z.array(z.union([z.object({updated_at: sortAscDesc.optional()}), z.object({created_at: sortAscDesc.optional()}), z.object({id: sortAscDesc.optional()})])).optional(), records: z.array(group).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
};

/**
 * List Groups
 * 
 * GET /groups
 */
export const getApiGroups = async (args: GetApiGroupsArgs, options?: GetApiGroupsOptions) => {
const {baseUrl = "https://secure.fleetio.com/api", fetch: fetchFn = fetch, apiKey, accountToken} = options ?? {}

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

if (args.start_cursor != null) query.append("start_cursor", String(args.start_cursor))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.filter != null) query.append("filter", JSON.stringify(args.filter))
if (args.sort != null) query.append("sort", JSON.stringify(args.sort))
if (apiKey !== undefined) headers.set("Authorization", apiKey)
if (accountToken !== undefined) headers.set("Account-Token", accountToken)

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