import {z} from 'zod'

export type GetApiV1AccountArgs = {'x-api-key'?: string | undefined, 'lmnt-auth0'?: (string | null) | undefined};

export type GetApiV1AccountOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const planInfo = z.object({type: z.string(), commercial_use_allowed: z.boolean(), character_limit: z.number().int().gte(0).nullable().optional()});

export const usageInfo = z.object({characters: z.number().int().gte(0).optional(), playground_characters: z.number().int().gte(0).optional(), credit_characters: z.number().int().gte(0).optional(), instant_voices: z.number().int().gte(0).nullable().optional(), professional_voices: z.number().int().gte(0).nullable().optional(), period_end: z.number().int().nullable().optional()});

export const apiKeyInfo = z.object({masked: z.string(), name: z.string().nullable().optional(), created_at: z.number().int().nullable().optional()});

export const accountResponse = z.object({plan: planInfo, usage: usageInfo, apikeys: z.array(apiKeyInfo).nullable().optional(), accepted_tos: z.boolean().nullable().optional(), sub_state: z.string().nullable().optional(), cancel_at_period_end: z.boolean().nullable().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
};

/**
 * Get Handler
 * 
 * GET /v1/account
 */
export const getApiV1Account = async (args: GetApiV1AccountArgs, options: GetApiV1AccountOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
const cookies: string[] = []
headers.set('accept', "application/json")

if (args['x-api-key'] != null) headers.set("x-api-key", String(args['x-api-key']))
if (args['lmnt-auth0'] != null) cookies.push("lmnt-auth0=" + encodeURIComponent(String(args['lmnt-auth0'])))
if (cookies.length > 0) headers.set('cookie', cookies.join('; '))

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