import type { InspectBridge } from '../cli/commands/inspect/core'

const APP_URL_SCHEME_RE = /^[A-Za-z][A-Za-z0-9+.-]*:/

export function normalizeAppUrlTarget(target: string): string {
  const trimmed = target.trim()
  if (!trimmed) {
    throw new Error('expected <url-or-route>')
  }
  if (APP_URL_SCHEME_RE.test(trimmed) || trimmed.startsWith('/')) {
    return trimmed
  }
  return `/${trimmed}`
}

export function isAppDeepLinkTarget(target: string): boolean {
  const trimmed = target.trim()
  if (!trimmed) return false
  if (trimmed.startsWith('/')) return true
  if (!APP_URL_SCHEME_RE.test(trimmed)) return false
  return !/^https?:\/\//i.test(trimmed)
}

export async function openAppUrl(bridge: InspectBridge, target: string): Promise<string> {
  const normalized = normalizeAppUrlTarget(target)
  const result: unknown = await bridge.send({
    type: 'openUrl',
    url: normalized,
  })
  if (
    result !== null &&
    typeof result === 'object' &&
    Reflect.get(result, 'ok') === false
  ) {
    const error = Reflect.get(result, 'error')
    throw new Error(typeof error === 'string' ? error : 'deep-link dispatch failed')
  }
  return normalized
}