// fixtures/share-link.mjs — the share page's Copy button.
//
// The published link is shown exactly once (suite ruling 16: the server
// keeps a hash, not the URL), so copying it is the whole job of that
// moment. Without script the page still works: the link is in a
// read-only field that selects on focus, and a person copies it by hand.
// With script this reveals the Copy button, writes the link to the
// clipboard, and says so in the polite status line beside it.
//
// It carries no copy of its own: the "copied" wording is rendered by the
// server from the catalog into data-copied.

export function mountCopy(root) {
  const input = root.querySelector('[docs-share-url-input]')
  const button = root.querySelector('[docs-share-copy]')
  const status = root.querySelector('[docs-share-copy-status]')
  if (!input || !button) return false
  input.addEventListener('focus', () => input.select())
  button.hidden = false
  button.addEventListener('click', async () => {
    input.focus()
    input.select()
    let ok = false
    try {
      if (navigator.clipboard && navigator.clipboard.writeText) {
        await navigator.clipboard.writeText(input.value)
        ok = true
      }
    } catch {
      ok = false
    }
    if (!ok) {
      try {
        ok = document.execCommand('copy')
      } catch {
        ok = false
      }
    }
    if (status) status.textContent = ok ? button.getAttribute('data-copied') || '' : ''
  })
  return true
}

const root = document.querySelector('[docs-share-public]')
if (root) mountCopy(root)