import {z} from 'zod'

export type BulkCreateUsageRequest = {events: Array<{actionType?: ('transaction' | 'api_call' | 'hour' | 'email' | 'storage' | 'custom') | undefined, customerRef: string, description?: string | undefined, duration?: number | undefined, errorMessage?: string | undefined, idempotencyKey?: string | undefined, metadata?: {[key: string]: unknown} | undefined, outcome?: ('success' | 'paywall' | 'fail') | undefined, productRef?: string | undefined, purchaseRef?: string | undefined, timestamp: string, units?: number | undefined}>};

export type CreateApiV1SdkUsagesBulkArgs = {body: BulkCreateUsageRequest};

export type CreateApiV1SdkUsagesBulkOptions = {baseUrl?: string | undefined, SecretKey?: string | undefined, fetch?: typeof fetch | undefined};

export const autoRechargeTriggeredResponse = z.object({triggered: z.boolean()});

export const creditDebitSuccessResponse = z.object({amount: z.number(), autoRecharge: autoRechargeTriggeredResponse.optional(), debited: z.number(), remainingUnits: z.number(), unitsRemaining: z.number()});

export const creditDebitSkippedResponse = z.object({debited: z.number(), reason: z.enum(["duplicate", "no_product_ref", "customer_not_found", "no_active_purchase", "plan_not_credit_based", "not_credit_drawn", "within_included"])});

export const bulkUsageResultResponse = z.object({creditDebit: z.union([creditDebitSuccessResponse, creditDebitSkippedResponse]).optional(), reference: z.string()});

export const bulkUsageResponse = z.object({inserted: z.number(), results: z.array(bulkUsageResultResponse), success: z.boolean()});

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 bulk usage events
 * 
 * POST /v1/sdk/usages/bulk
 */
export const createApiV1SdkUsagesBulk = async (args: CreateApiV1SdkUsagesBulkArgs, options?: CreateApiV1SdkUsagesBulkOptions) => {
const {baseUrl = "https://api.solvapay.com", fetch: fetchFn = fetch, SecretKey} = options ?? {}

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

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

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