import {z} from 'zod'

export type ProcessPaymentIntentDto = {customerRef: string, planRef?: string | undefined, productRef?: string | undefined};

export type CreateApiV1SdkPaymentIntentsProcessorPaymentIdProcessArgs = {processorPaymentId: string, body: ProcessPaymentIntentDto};

export type CreateApiV1SdkPaymentIntentsProcessorPaymentIdProcessOptions = {baseUrl?: string | undefined, SecretKey?: string | undefined, fetch?: typeof fetch | undefined};

export const sdkPlanSnapshotDto = z.object({currency: z.string(), features: z.record(z.string(), z.unknown()).nullable().optional(), isMetered: z.boolean().optional(), name: z.string().optional(), options: z.array(z.record(z.string(), z.unknown())).optional(), price: z.number(), reference: z.string().optional()});

export const sdkUsagePeriodDto = z.object({periodEnd: z.string().optional(), periodStart: z.string().optional()});

export const sdkPurchaseResponse = z.object({amount: z.number(), autoRenew: z.boolean().optional(), billingCycle: z.enum(["weekly", "monthly", "quarterly", "yearly"]).optional(), cancellationReason: z.string().optional(), cancelledAt: z.string().optional(), createdAt: z.string(), currency: z.string(), customerEmail: z.string().optional(), customerRef: z.string(), endDate: z.string().optional(), exchangeRate: z.number().optional(), isRecurring: z.boolean(), metadata: z.record(z.string(), z.unknown()).optional(), nextBillingDate: z.string().optional(), origin: z.enum(["paid", "free_default", "manual", "one_time", "credit_topup", "admin_assignment"]).optional(), originalAmount: z.number().optional(), paidAt: z.string().optional(), planRef: z.string().optional(), planSnapshot: sdkPlanSnapshotDto.optional(), productName: z.string().optional(), productRef: z.string().optional(), reference: z.string(), requiresPayment: z.boolean().optional(), startDate: z.string(), status: z.string(), usage: sdkUsagePeriodDto.optional()});

export const processPaymentSucceededRecurring = z.object({purchase: sdkPurchaseResponse, status: z.literal("succeeded"), type: z.literal("recurring")});

export const oneTimePurchaseInfo = z.object({amount: z.number(), completedAt: z.string(), createdAt: z.string(), currency: z.string(), customerRef: z.string(), productRef: z.string().optional(), reference: z.string()});

export const processPaymentSucceededOneTime = z.object({oneTimePurchase: oneTimePurchaseInfo, status: z.literal("succeeded"), type: z.literal("one-time")});

export const processPaymentSucceededBare = z.object({status: z.literal("succeeded")});

export const processPaymentProcessing = z.object({status: z.literal("processing")});

export const processPaymentTimeout = z.object({message: z.string().optional(), status: z.literal("timeout")});

export const processPaymentFailed = z.object({status: z.literal("failed")});

export const processPaymentCancelled = z.object({status: z.literal("cancelled")});

export const createApiV1SdkPaymentIntentsProcessorPaymentIdProcessResponse = z.union([processPaymentSucceededRecurring, processPaymentSucceededOneTime, processPaymentSucceededBare, processPaymentProcessing, processPaymentTimeout, processPaymentFailed, processPaymentCancelled]);

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
};

/**
 * Process payment intent after client-side confirmation
 * 
 * POST /v1/sdk/payment-intents/{processorPaymentId}/process
 */
export const createApiV1SdkPaymentIntentsProcessorPaymentIdProcess = async (args: CreateApiV1SdkPaymentIntentsProcessorPaymentIdProcessArgs, options?: CreateApiV1SdkPaymentIntentsProcessorPaymentIdProcessOptions) => {
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/payment-intents/${encodeURIComponent(String(args.processorPaymentId))}/process${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(createApiV1SdkPaymentIntentsProcessorPaymentIdProcessResponse, await res.json())
};