import type { ProfileView, ViewerState } from "@atproto/api/dist/client/types/app/bsky/actor/defs"
import van from "vanjs-core"
import { ReloadButton } from "./components/ReloadBtn"
import { NotFoundCell } from "./components/NotFoundCell"
import { BskyUserCell, type UserCellBtnLabel } from "./components/BskyUserCell"
import type { BSKY_USER_MATCH_TYPE } from "./constants"

export const getUserCells = ({ queryParam, filterInsertedElement }: { queryParam: string, filterInsertedElement: boolean }) => {
  const userCells = document.querySelectorAll(queryParam);

  // filter out already inserted elements
  if (filterInsertedElement) {
    return Array.from(userCells).filter((userCell) => {
      const nextElement = userCell.nextElementSibling
      if (!nextElement) { return true }
      return nextElement.classList.contains("bsky-user-content-wrapper") === false
    })
  } else {
    return Array.from(userCells)
  }
}

export const insertReloadEl = (clickAction: () => void) => {
  const lastInsertedEl = Array.from(document.querySelectorAll('.bsky-user-content')).at(-1)
  van.add(lastInsertedEl.parentElement, ReloadButton({clickAction}))
}

export const removeReloadEl = () => {
  const reloadEl = document.querySelectorAll('.bsky-reload-btn-wrapper')
  reloadEl.forEach(el => el.remove())
}

export const getAccountNameAndDisplayName = (userCell: Element) => {
  const [avatarEl, displayNameEl] = userCell?.querySelectorAll("a")
  const twAccountName = avatarEl?.getAttribute("href")?.replace("/", "")
  const twAccountNameRemoveUnderscore = twAccountName.replace("_", "") // bsky does not allow underscore in handle. so remove it.
  const twDisplayName = displayNameEl?.textContent
  return { twAccountName, twDisplayName, twAccountNameRemoveUnderscore }
}

export const insertBskyProfileEl = ({ dom, profile, statusKey, btnLabel, matchType, addAction, removeAction }: {
  dom: Element,
  profile: ProfileView,
  statusKey: keyof ViewerState,
  btnLabel: UserCellBtnLabel,
  matchType: typeof BSKY_USER_MATCH_TYPE[keyof typeof BSKY_USER_MATCH_TYPE],
  addAction: () => Promise<void>,
  removeAction: () => Promise<void>
}) => {
  van.add(dom.parentElement, BskyUserCell({
    profile,
    statusKey,
    btnLabel,
    matchType,
    addAction,
    removeAction,
  }))
}

export const insertNotFoundEl = (dom: Element) => {
  van.add(dom.parentElement, NotFoundCell())
}

export const isOutOfTopViewport = (el: Element) => {
  const rect = el.getBoundingClientRect();
  return rect.top < 0
}