{{define "title"}}Watchlist{{end}}
{{define "content"}}
{{if .WatchlistIDs}}<script>initWatchlist({{.WatchlistIDs}})</script>{{end}}
<div id="watchlist-content" class="flex w-full flex-col gap-6">
  <h1 class="heading-serif text-xl font-normal text-foreground">Watchlist</h1>

  <div class="flex flex-wrap items-center justify-between gap-4">
    <div class="flex flex-wrap items-center gap-6">
      <button class="text-sm transition-colors text-foreground" onclick="filterWatchlist('all', this)">All</button>
      <button class="text-sm transition-colors text-foreground-muted hover:text-foreground" onclick="filterWatchlist('watching', this)">Watching</button>
      <button class="text-sm transition-colors text-foreground-muted hover:text-foreground" onclick="filterWatchlist('plan_to_watch', this)">Plan to Watch</button>
      <button class="text-sm transition-colors text-foreground-muted hover:text-foreground" onclick="filterWatchlist('completed', this)">Completed</button>
      <button class="text-sm transition-colors text-foreground-muted hover:text-foreground" onclick="filterWatchlist('dropped', this)">Dropped</button>
    </div>

      <div class="flex items-center gap-4">
        <button type="button" class="text-foreground-muted transition-colors hover:text-foreground" onclick="exportWatchlistCsv()" title="Export to CSV" aria-label="Export to CSV">
          <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
            <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/>
            <path d="M7 10l5 5 5-5"/>
            <path d="M12 15V3"/>
          </svg>
        </button>

        <ui-dropdown class="relative block" data-align="right" data-width="min-w-[150px]">
          <div data-trigger>
            <button type="button" class="flex items-center gap-2 text-sm text-foreground-muted transition-colors hover:text-foreground">
              <span>Sort by: <span id="sort-by-display">Date Added</span></span>
              <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m6 9 6 6 6-6"/></svg>
            </button>
          </div>
          <div data-content class="hidden absolute z-50 min-w-[150px] bg-background-button rounded-none shadow-soft right-0 top-full mt-2 ring-1 ring-border">
            <div class="flex flex-col py-1">
              <button class="flex w-full items-center px-4 py-2 text-sm text-foreground transition-colors hover:bg-surface-hover" onclick="setSortBy('date', this)">Date Added</button>
              <button class="flex w-full items-center px-4 py-2 text-sm text-foreground-muted transition-colors hover:bg-surface-hover hover:text-foreground" onclick="setSortBy('title', this)">Title</button>
            </div>
          </div>
        </ui-dropdown>

        <button type="button" id="sort-order-btn" class="text-foreground-muted transition-colors hover:text-foreground" onclick="toggleSortOrder(this)">
          <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="transition-transform duration-200 rotate-0"><path d="m21 16-4 4-4-4"></path><path d="M17 20V4"></path><path d="m3 8 4-4 4 4"></path><path d="M7 4v16"></path></svg>
        </button>
      </div>
    </div>
  </div>

  <div id="watchlist-items" class="grid grid-cols-2 gap-4 md:grid-cols-3 lg:grid-cols-4 2xl:grid-cols-6 mt-6">
    {{range $.AllEntries}}
      <div class="watchlist-item flex w-full flex-col gap-2" data-mal-id="{{.AnimeID}}" data-status="{{.Status}}" data-updated-at="{{.UpdatedAt.Unix}}" data-episode="{{.CurrentEpisode.Int64}}" data-time="{{.CurrentTimeSeconds}}" data-title="{{.DisplayTitle}}">
        <div class="group relative flex aspect-2/3 w-full flex-col overflow-hidden bg-background-surface ring-1 ring-border after:absolute after:inset-0 after:bg-black/80 after:opacity-0 hover:after:opacity-100 after:transition-opacity">
          <a href="/anime/{{.AnimeID}}" class="absolute inset-0 z-10"></a>
          <img src="{{.ImageUrl}}" alt="{{.DisplayTitle}}" class="h-full w-full object-cover" loading="lazy" />

          <div class="absolute inset-0 z-20 flex flex-col p-3 opacity-0 transition-opacity duration-300 group-hover:opacity-100 pointer-events-none">
            <div class="flex justify-end">
              <button type="button" hx-delete="/api/watchlist/{{.AnimeID}}" hx-target="closest .watchlist-item" hx-swap="delete" hx-on::after-request="if(event.detail.successful) { watchlistIds.delete({{.AnimeID}}) }" class="text-white/70 transition-colors hover:text-white focus:outline-none pointer-events-auto" aria-label="Remove from Watchlist">
                <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-5"><path d="M18 6 6 18"/><path d="m6 6 12 12"/></svg>
              </button>
            </div>
          </div>
        </div>
        <a href="/anime/{{.AnimeID}}" class="group/title">
          <h3 class="line-clamp-2 text-sm font-normal text-foreground group-hover/title:text-foreground-muted transition-colors">
            {{.DisplayTitle}}
          </h3>
        </a>
      </div>
    {{end}}

    {{if eq (len $.AllEntries) 0}}
      <div class="col-span-full flex flex-col items-center justify-center gap-4 py-24 text-foreground-muted">
        <svg class="h-16 w-16 opacity-30" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><path stroke-linecap="round" stroke-linejoin="round" d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10" /></svg>
        <p class="text-lg text-foreground font-medium">Your watchlist is empty</p>
        <p class="text-sm text-foreground-muted">Start adding anime to keep track of what you want to watch</p>
        <div class="flex gap-3 mt-2">
          <a href="/" class="px-5 py-2.5 text-sm font-medium bg-accent/20 hover:bg-accent/30 text-accent transition-colors">Browse anime</a>
          <a href="/discover" class="px-5 py-2.5 text-sm font-medium bg-background-surface hover:bg-background-button-hover text-foreground ring-1 ring-border transition-colors">Discover new</a>
        </div>
      </div>
    {{end}}
  </div>
</div>

<script>
  let currentSortBy = 'date'
  let sortOrderDesc = true

  function filterWatchlist(status, btn) {
    // Update active tab styling
    const parent = btn.parentElement
    parent.querySelectorAll('button').forEach(function(b) {
      b.classList.remove('text-foreground')
      b.classList.add('text-foreground-muted')
    })
    btn.classList.remove('text-foreground-muted')
    btn.classList.add('text-foreground')
    
    // Show/hide items
    document.querySelectorAll('.watchlist-item').forEach(function(item) {
      if (status === 'all') {
        item.style.display = 'flex'
      } else if (item.dataset.status === status) {
        item.style.display = 'flex'
      } else {
        item.style.display = 'none'
      }
    })
    sortItems()
  }

  function setSortBy(sort, btn) {
    currentSortBy = sort
    document.getElementById('sort-by-display').textContent = sort === 'date' ? 'Date Added' : 'Title'
    
    // Update button colors in dropdown
    const dropdown = btn.closest('[data-content]')
    dropdown.querySelectorAll('button').forEach(function(b) {
      b.classList.remove('text-foreground')
      b.classList.add('text-foreground-muted')
    })
    btn.classList.remove('text-foreground-muted')
    btn.classList.add('text-foreground')
    
    sortItems()
    
    // Close dropdown
    const parentDropdown = btn.closest('ui-dropdown')
    if (parentDropdown) parentDropdown.close()
  }

  function toggleSortOrder(btn) {
    sortOrderDesc = !sortOrderDesc
    btn.querySelector('svg').classList.toggle('rotate-180', !sortOrderDesc)
    sortItems()
  }

  function sortItems() {
    const grid = document.getElementById('watchlist-items')
    const items = Array.from(grid.querySelectorAll('.watchlist-item'))
    
    items.sort(function(a, b) {
      let comparison = 0
      if (currentSortBy === 'title') {
        const titleA = a.querySelector('h3').textContent.toLowerCase().trim()
        const titleB = b.querySelector('h3').textContent.toLowerCase().trim()
        comparison = titleA.localeCompare(titleB)
      } else {
        const dateA = parseInt(a.dataset.updatedAt || 0)
        const dateB = parseInt(b.dataset.updatedAt || 0)
        comparison = dateA - dateB
      }
      return sortOrderDesc ? -comparison : comparison
    })
    
    items.forEach(function(item) {
      grid.appendChild(item)
    })
  }

  function csvEscape(value) {
    const str = String(value ?? '')
    if (/[",\r\n]/.test(str)) {
      return '"' + str.replace(/"/g, '""') + '"'
    }
    return str
  }

  function exportWatchlistCsv() {
    const rows = Array.from(document.querySelectorAll('.watchlist-item'))
      .sort(function(a, b) {
        return parseInt(b.dataset.updatedAt || 0) - parseInt(a.dataset.updatedAt || 0)
      })
      .map(function(item) {
        const updatedAt = parseInt(item.dataset.updatedAt || 0)
        const updatedAtISO = updatedAt > 0 ? new Date(updatedAt * 1000).toISOString() : ''

        return [
          item.dataset.malId || '',
          item.dataset.title || item.querySelector('h3')?.textContent.trim() || '',
          item.dataset.status || '',
          updatedAtISO,
        ]
      })

    const csv = [
      ['mal_id', 'title', 'status', 'updated_at'],
      ...rows,
    ].map(function(row) {
      return row.map(csvEscape).join(',')
    }).join('\r\n')

    const blob = new Blob([csv], { type: 'text/csv;charset=utf-8' })
    const url = URL.createObjectURL(blob)
    const link = document.createElement('a')
    link.href = url
    link.download = 'watchlist.csv'
    document.body.appendChild(link)
    link.click()
    link.remove()
    URL.revokeObjectURL(url)
  }

  // Ensure items are sorted correctly on initial load
  window.addEventListener('DOMContentLoaded', () => {
    sortItems()
  })
</script>
{{end}}