import {z} from 'zod'

export type CreateSubscriptionRequest = {defaults: {url: string, entityType?: ('contact' | 'company') | undefined, signalTypes?: Array<string> | undefined}, name?: string | undefined, subscriptions: Array<{entityId: string, entityType?: ('contact' | 'company') | undefined, signalTypes?: Array<string> | undefined, name?: string | undefined}>};

export type CreateApiApiSubscriptionsArgs = {body: CreateSubscriptionRequest};

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

export const subscriptionWithoutSecret = z.object({id: z.string(), entityType: z.enum(["contact", "company"]), entityId: z.string(), signalTypes: z.array(z.string()), url: z.string(), name: z.string().optional(), isActive: z.boolean(), blockReason: z.string().nullable().optional(), blockedAt: z.string().nullable().optional(), createdAt: z.string(), updatedAt: z.string()});

export const createSubscriptionSuccessResult = z.object({index: z.number().int(), success: z.literal(true), subscription: subscriptionWithoutSecret});

export const createSubscriptionErrorResult = z.object({index: z.number().int(), success: z.literal(false), error: z.object({code: z.enum(["VALIDATION_ERROR", "DUPLICATE_SUBSCRIPTION", "URL_VALIDATION_FAILED", "WEBHOOK_VERIFICATION_FAILED", "FORBIDDEN", "UNKNOWN_ERROR"]), message: z.string()})});

export const createSubscriptionResponse = z.object({total: z.number().int(), successful: z.number().int(), failed: z.number().int(), results: z.array(z.union([createSubscriptionSuccessResult, createSubscriptionErrorResult]))});

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 Subscription
 * 
 * POST /api/subscriptions
 */
export const createApiApiSubscriptions = async (args: CreateApiApiSubscriptionsArgs, options?: CreateApiApiSubscriptionsOptions) => {
const {baseUrl = "https://api.lusha.com", 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("api_key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/subscriptions${query.size > 0 ? `?${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(createSubscriptionResponse, await res.json())
};