import {z} from 'zod'

export type GetApiBalancesArgs = {'Finix-Version'?: string | undefined, after_cursor?: string | undefined, before_cursor?: string | undefined, 'created_at.gte'?: string | undefined, 'created_at.lte'?: string | undefined, limit?: number | undefined, 'tags.key'?: string | undefined, 'tags.value'?: string | undefined, 'updated_at.gte'?: string | undefined, 'updated_at.lte'?: string | undefined};

export type GetApiBalancesOptions = {baseUrl?: string | undefined, BasicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const page = z.object({limit: z.number().int().optional(), next_cursor: z.string().nullable().optional()});

export const id = z.string().min(1);

export const createdAt = z.string();

export const updatedAt = z.string();

export const currency = z.enum(["CAD", "USD"]);

export const tags = z.record(z.string(), z.unknown()).nullable();

export const balance = z.object({id: id.optional(), created_at: createdAt.optional(), updated_at: updatedAt.optional(), available_amount: z.number().int().optional(), currency: currency.optional(), linked_to: z.string().optional(), linked_type: z.literal("APPLICATION").optional(), pending_amount: z.number().int().optional(), posted_amount: z.number().int().optional(), tags: tags.optional(), type: z.literal("DISBURSEMENT").optional(), _links: z.object({self: z.object({href: z.string().optional()}).optional()}).optional()});

export const self = z.object({href: z.string().min(1).optional()});

export const next = z.object({href: z.string().optional()});

export const getApiBalancesResponse = z.object({page: page.optional(), _embedded: z.object({balances: z.array(balance).optional()}).optional(), _links: z.object({self: self.optional(), next: next.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 Balances
 * 
 * GET /balances
 */
export const getApiBalances = async (args: GetApiBalancesArgs, options?: GetApiBalancesOptions) => {
const {baseUrl = "https://finix.sandbox-payments-api.com", fetch: fetchFn = fetch, BasicAuth} = options ?? {}

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

if (args['Finix-Version'] != null) headers.set("Finix-Version", String(args['Finix-Version']))
if (args.after_cursor != null) query.append("after_cursor", String(args.after_cursor))
if (args.before_cursor != null) query.append("before_cursor", String(args.before_cursor))
if (args['created_at.gte'] != null) query.append("created_at.gte", String(args['created_at.gte']))
if (args['created_at.lte'] != null) query.append("created_at.lte", String(args['created_at.lte']))
if (args.limit != null) query.append("limit", String(args.limit))
if (args['tags.key'] != null) query.append("tags.key", String(args['tags.key']))
if (args['tags.value'] != null) query.append("tags.value", String(args['tags.value']))
if (args['updated_at.gte'] != null) query.append("updated_at.gte", String(args['updated_at.gte']))
if (args['updated_at.lte'] != null) query.append("updated_at.lte", String(args['updated_at.lte']))
if (BasicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${BasicAuth.username}:${BasicAuth.password}`)}`)

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