import {z} from 'zod'

export type GetApiCnabArgs = {'q[accountNumberEq]='?: string | undefined, 'q[documentNumberEq]='?: number | undefined, 'q[accountTypeEq]='?: ('company' | 'linked' | 'linked_flex') | undefined, 'q[dateEq]'?: string | undefined, 'q[createdAtGt]='?: string | undefined, 'q[createdAtLt]='?: string | undefined, 'p[page]'?: number | undefined, 'p[per_page]'?: number | undefined};

export type GetApiCnabOptions = {baseUrl?: string | undefined, sec0?: {username: string, password: string} | undefined, sec1?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiCnabResponse = z.object({data: z.array(z.object({fileId: z.number().int().optional(), file: z.string().optional(), date: z.string().optional(), accountNumber: z.string().optional(), documentNumber: z.string().optional(), accountName: z.string().optional(), accountType: z.string().optional()})).optional(), pagination: z.object({total_pages: z.number().int().optional(), current_page: z.number().int().optional(), items_per_page: z.number().int().optional(), count: z.number().int().optional(), total_count: z.number().int().optional()}).optional(), success: z.boolean().optional(), message: z.string().optional(), searched: z.object({createdAtGtEq: z.string().optional(), createdAtLtEq: z.string().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
};

/**
 * Baixar arquivos de retorno - CNAB400
 * 
 * GET /cnab
 */
export const getApiCnab = async (args: GetApiCnabArgs, options?: GetApiCnabOptions) => {
const {baseUrl = "https://pagamentos.grafeno.be/api/v2", fetch: fetchFn = fetch, sec0, sec1} = options ?? {}

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

if (args['q[accountNumberEq]='] != null) query.append("q[accountNumberEq]=", String(args['q[accountNumberEq]=']))
if (args['q[documentNumberEq]='] != null) query.append("q[documentNumberEq]=", String(args['q[documentNumberEq]=']))
if (args['q[accountTypeEq]='] != null) query.append("q[accountTypeEq]=", String(args['q[accountTypeEq]=']))
if (args['q[dateEq]'] != null) query.append("q[dateEq]", String(args['q[dateEq]']))
if (args['q[createdAtGt]='] != null) query.append("q[createdAtGt]=", String(args['q[createdAtGt]=']))
if (args['q[createdAtLt]='] != null) query.append("q[createdAtLt]=", String(args['q[createdAtLt]=']))
if (args['p[page]'] != null) query.append("p[page]", String(args['p[page]']))
if (args['p[per_page]'] != null) query.append("p[per_page]", String(args['p[per_page]']))
if (sec0 !== undefined) headers.set('authorization', `Basic ${btoa(`${sec0.username}:${sec0.password}`)}`)
if (sec1 !== undefined) headers.set("Authorization", sec1)

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