import {z} from 'zod'

export type RecordTransactionRequest = {currency: string, grossAmount: number, netAmount?: number | undefined, taxAmount?: number | undefined, amountCashNet?: number | undefined, amountPaid?: number | undefined, paidAt?: number | undefined, externalId?: string | undefined, transactionId?: string | undefined, customerId?: string | undefined, orderId?: string | undefined, paymentId?: string | undefined, invoiceId?: string | undefined, subscriptionId?: string | undefined, paymentIntentId?: string | undefined, chargeId?: string | undefined, description?: string | undefined, invoiceTotal?: number | undefined, invoiceTotalExcludingTax?: number | undefined, invoiceSubtotalExcludingTax?: number | undefined, totalTaxAmount?: number | undefined, totalTaxAmounts?: Array<{[key: string]: unknown}> | undefined, totalTaxes?: Array<{[key: string]: unknown}> | undefined};

export type CreateApiCampaignIdParticipantParticipantIdOrEmailTransactionArgs = {id: string, participantIdOrEmail: string, body: RecordTransactionRequest};

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

export const recordTransactionResponse = z.union([z.object({success: z.literal(true), firstSale: z.boolean(), duplicate: z.literal(false), message: z.string()}), z.object({success: z.literal(false), duplicate: z.literal(true), commissionsCreated: z.number().int(), duplicateFields: z.array(z.string()), matchingCommissionIds: z.array(z.string()), message: 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
};

/**
 * Record affiliate transaction
 * 
 * POST /campaign/{id}/participant/{participantIdOrEmail}/transaction
 */
export const createApiCampaignIdParticipantParticipantIdOrEmailTransaction = async (args: CreateApiCampaignIdParticipantParticipantIdOrEmailTransactionArgs, options?: CreateApiCampaignIdParticipantParticipantIdOrEmailTransactionOptions) => {
const {baseUrl = "https://api.growsurf.com/v2", fetch: fetchFn = fetch, apiKeyAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/campaign/${encodeURIComponent(String(args.id))}/participant/${encodeURIComponent(String(args.participantIdOrEmail))}/transaction${query.size > 0 ? `?${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(recordTransactionResponse, await res.json())
};