import {z} from 'zod'

export type GetApiTermsArgs = {name?: string | undefined, filters?: Record<string, never> | undefined, 'sort[asc]'?: 'name' | undefined, 'sort[desc]'?: 'name' | undefined, page?: number | undefined, per_page?: number | undefined};

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

export const getApiTermsResponse = z.object({message: z.string().optional(), terms: z.array(z.object({id: z.number().int().optional(), name: z.string().optional(), number_of_days: z.number().int().optional(), label: z.string().optional()})).optional(), page_context: z.object({page: z.number().int().optional(), per_page: z.number().int().optional(), next_page_url: z.string().nullable().optional(), total: z.number().int().optional(), count: z.number().int().optional()}).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 terms
 * 
 * GET /terms
 */
export const getApiTerms = async (args: GetApiTermsArgs, options?: GetApiTermsOptions) => {
const {baseUrl = "http://localhost/app4legal/api/v2/money", fetch: fetchFn = fetch, passport} = options ?? {}

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

if (args.name != null) query.append("name", String(args.name))
if (args.filters != null) query.append("filters", JSON.stringify(args.filters))
if (args['sort[asc]'] != null) query.append("sort[asc]", String(args['sort[asc]']))
if (args['sort[desc]'] != null) query.append("sort[desc]", String(args['sort[desc]']))
if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (passport !== undefined) headers.set('authorization', `Bearer ${passport}`)

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