import {z} from 'zod'

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

export const travelRulePolicyRuleResponse = z.object({sourceType: z.string().optional(), sourceSubType: z.string().optional(), destType: z.string().optional(), destSubType: z.string().optional(), destAddress: z.string().optional(), sourceId: z.string().optional(), destId: z.string().optional(), asset: z.string().optional(), baseAsset: z.string().optional(), amount: z.number().optional(), amountUSD: z.number().optional(), networkProtocol: z.string().optional(), operation: z.string().optional(), action: z.enum(["SCREEN", "PASS", "FREEZE"])});

export const screeningPolicyResponse = z.object({policy: travelRulePolicyRuleResponse, policyStatus: z.string().optional(), isDefault: z.boolean(), createDate: z.string().optional(), lastUpdate: z.string()});

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
};

/**
 * Travel Rule - View Post-Screening Policy
 * 
 * GET /screening/travel_rule/post_screening_policy
 */
export const getApiScreeningTravelRulePostScreeningPolicy = async (options?: GetApiScreeningTravelRulePostScreeningPolicyOptions) => {
const {baseUrl = "https://api.fireblocks.io/v1", fetch: fetchFn = fetch} = options ?? {}

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

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