import {z} from 'zod'

export type SettlementRuleTier = {min: string, max: string, value: number};

export type SettlementRule = {type: 'PERCENTAGE' | 'FIXED', calculationModel: 'FIXED' | 'TIERED', value?: (number | null) | undefined, tiers?: (Array<SettlementRuleTier> | null) | undefined, walletAddress: string};

export type CreateSettlementRule = {requestId: string, chain: 'BASE' | 'POLYGON' | 'ETHEREUM' | 'SOLANA', includeHIFIFee: boolean, rules: Array<SettlementRule>};

export type CreateApiV2VirtualAccountsSettlementRulesArgs = {body: CreateSettlementRule};

export type CreateApiV2VirtualAccountsSettlementRulesOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const settlementRuleTier = z.object({min: z.string(), max: z.string(), value: z.number()});

export const settlementRule = z.object({type: z.enum(["PERCENTAGE", "FIXED"]), calculationModel: z.enum(["FIXED", "TIERED"]), value: z.number().nullable().optional(), tiers: z.array(settlementRuleTier).nullable().optional(), walletAddress: z.string()});

export const settlementRuleResponse = z.object({id: z.string(), chain: z.enum(["BASE", "POLYGON", "ETHEREUM", "SOLANA"]), includeHIFIFee: z.boolean(), rules: z.array(settlementRule)});

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
};

/**
 * Create a settlement rule
 * 
 * POST /v2/virtual-accounts/settlement-rules
 */
export const createApiV2VirtualAccountsSettlementRules = async (args: CreateApiV2VirtualAccountsSettlementRulesArgs, options?: CreateApiV2VirtualAccountsSettlementRulesOptions) => {
const {baseUrl = "https://production.hifibridge.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/virtual-accounts/settlement-rules${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(settlementRuleResponse, await res.json())
};