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

  document.querySelectorAll('.adminFolder').forEach(function (card) {
    card.addEventListener('contextmenu', function (e) {
      e.preventDefault()
      targetId = card.getAttribute('data-folder-id')
      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 || !targetId) 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/' + encodeURIComponent(targetId) + '/rename', {
          method: 'POST',
          headers: { 'content-type': 'application/json' },
          body: JSON.stringify({ 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/' + encodeURIComponent(targetId) + '/delete', {
          method: 'POST'
        }).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 }
  if (addBtn) {
    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')
      })
    })
  }

  // 도구 관리(ffmpeg / yt-dlp)
  function renderTool(name, tool) {
    var card = document.querySelector('.toolCard[data-tool="' + name + '"]')
    if (!card) return
    var versionEl = card.querySelector('[data-field="version"]')
    var pathEl = card.querySelector('[data-field="path"]')
    if (!tool || !tool.available) {
      versionEl.textContent = '설치되지 않음'
      pathEl.textContent = ''
      return
    }
    versionEl.textContent = (tool.version || '버전 미상') + (tool.managed ? ' · 직접 설치본' : '')
    pathEl.textContent = tool.path || ''
  }

  function loadTools() {
    fetch('/op/tools').then(function (r) { return r.json() }).then(function (j) {
      if (!j.ok) return
      renderTool('yt-dlp', j.tools.ytDlp)
      renderTool('ffmpeg', j.tools.ffmpeg)
    }).catch(function () {})
  }

  document.querySelectorAll('[data-action="update-tool"]').forEach(function (btn) {
    btn.addEventListener('click', function () {
      var name = btn.getAttribute('data-name')
      var card = btn.closest('.toolCard')
      var statusEl = card.querySelector('[data-field="status"]')
      btn.disabled = true
      statusEl.textContent = '재설치 중… (수십 초 걸릴 수 있습니다)'
      fetch('/op/tools/' + encodeURIComponent(name) + '/update', { method: 'POST' })
        .then(function (r) { return r.json() })
        .then(function (j) {
          if (j.ok) {
            statusEl.textContent = '완료'
            renderTool(name, j.tool)
          } else {
            statusEl.textContent = '실패: ' + (j.message || '알 수 없는 오류')
          }
        })
        .catch(function (err) {
          statusEl.textContent = '실패: ' + (err && err.message ? err.message : '요청 오류')
        })
        .then(function () { btn.disabled = false })
    })
  })

  if (document.querySelector('.toolsSection')) loadTools()
})()