(function () {
  var ctxMenu = document.getElementById('ctxMenu')
  var targetName = null

  function showCtx(x, y) {
    ctxMenu.style.left = x + 'px'
    ctxMenu.style.top = y + 'px'
    ctxMenu.hidden = false
  }
  function hideCtx() { ctxMenu.hidden = true; targetName = null }

  document.querySelectorAll('.adminFolder').forEach(function (card) {
    card.addEventListener('contextmenu', function (e) {
      e.preventDefault()
      targetName = card.getAttribute('data-name')
      showCtx(e.clientX, e.clientY)
    })
  })

  document.addEventListener('click', function (e) {
    if (!ctxMenu.contains(e.target)) hideCtx()
  })

  ctxMenu.addEventListener('click', function (e) {
    var btn = e.target.closest('button')
    if (!btn) return
    var action = btn.getAttribute('data-action')
    if (action === 'rename') {
      var newName = window.prompt('새 폴더 이름', targetName)
      if (newName && newName !== targetName) {
        fetch('/op/folders/rename', {
          method: 'POST',
          headers: { 'content-type': 'application/json' },
          body: JSON.stringify({ oldName: targetName, newName: newName })
        }).then(function (r) { return r.json() }).then(function (j) {
          if (j.ok) location.reload()
          else alert(j.message || '이름 변경 실패')
        })
      }
    } else if (action === 'delete') {
      if (window.confirm('"' + targetName + '" 폴더를 정말 삭제할까요? 안의 영상이 모두 사라집니다.')) {
        fetch('/op/folders/delete', {
          method: 'POST',
          headers: { 'content-type': 'application/json' },
          body: JSON.stringify({ name: targetName })
        }).then(function (r) { return r.json() }).then(function (j) {
          if (j.ok) location.reload()
          else alert(j.message || '삭제 실패')
        })
      }
    }
    hideCtx()
  })

  // 폴더 추가 모달
  var addBtn = document.getElementById('addFolderBtn')
  var modal = document.getElementById('addFolderModal')
  var input = document.getElementById('addFolderInput')
  var cancelBtn = document.getElementById('addFolderCancel')
  var confirmBtn = document.getElementById('addFolderConfirm')

  function openModal() { modal.hidden = false; input.value = ''; setTimeout(function () { input.focus() }, 0) }
  function closeModal() { modal.hidden = true }
  addBtn.addEventListener('click', openModal)
  cancelBtn.addEventListener('click', closeModal)
  modal.addEventListener('click', function (e) { if (e.target === modal) closeModal() })
  input.addEventListener('keydown', function (e) { if (e.key === 'Enter') confirmBtn.click() })
  confirmBtn.addEventListener('click', function () {
    var name = input.value.trim()
    if (!name) return
    fetch('/op/folders', {
      method: 'POST',
      headers: { 'content-type': 'application/json' },
      body: JSON.stringify({ name: name })
    }).then(function (r) { return r.json() }).then(function (j) {
      if (j.ok) location.reload()
      else alert(j.message || '폴더 생성 실패')
    })
  })
})()