import { Controller } from "@hotwired/stimulus"

export default class extends Controller {
  static values = { interval: { type: Number, default: 10000 } }

  connect() {
    this.timer = setInterval(() => this.refresh(), this.intervalValue)
  }

  disconnect() {
    clearInterval(this.timer)
  }

  refresh() {
    if (document.hidden) return

    const frame = this.element.closest("turbo-frame")
    if (frame && typeof frame.reload === "function") {
      this.reloadFrame(frame)
      return
    }

    this.refreshPreservingScroll()
  }

  reloadFrame(frame) {
    if (frame.hasAttribute("busy")) return

    const url = window.location.href
    if (frame.getAttribute("src") === url) {
      frame.reload()
    } else {
      frame.setAttribute("src", url)
    }
  }

  refreshPreservingScroll() {
    const { scrollX, scrollY } = window
    const restore = () => window.scrollTo(scrollX, scrollY)
    document.addEventListener("turbo:render", restore, { once: true })
    document.addEventListener("turbo:load", restore, { once: true })

    if (window.Turbo?.visit) {
      window.Turbo.visit(window.location.href, { action: "replace" })
    } else {
      window.location.reload()
    }
  }
}