const { div, h2, p, section, button, form, a, input, img, textarea, br, span, video: videoHyperaxe, audio: audioHyperaxe, table, tr, td, th } = require("../server/node_modules/hyperaxe");
const { template, i18n } = require('./main_views');
const moment = require("../server/node_modules/moment");
const { renderUrl } = require('../backend/renderUrl');

function capitalize(str) {
  return typeof str === 'string' && str.length ? str[0].toUpperCase() + str.slice(1) : '';
}
function sumAmounts(list = []) {
  return list.reduce((s, x) => s + (parseFloat(x.amount || 0) || 0), 0);
}

function renderActionCards(actions, userId) {
  const validActions = actions
    .filter(action => {
      const content = action.value?.content || action.content;
      if (!content || typeof content !== 'object') return false;
      if (content.type === 'tombstone') return false;
      if (content.type === 'post' && content.private === true) return false;
      if (content.type === 'tribe' && content.isAnonymous === true) return false;
      if (content.type === 'task' && content.isPublic === "PRIVATE") return false;
      if (content.type === 'event' && content.isPublic === "private") return false;
      if (content.type === 'market') {
        if (content.stock === 0 && content.status !== 'SOLD') {
          return false;
        }
      }
      return true;
    })
    .sort((a, b) => b.ts - a.ts);

  if (!validActions.length) {
    return div({ class: "no-actions" }, p(i18n.noActions));
  }

  const seenDocumentTitles = new Set();

  return validActions.map(action => {
    const date = action.ts ? new Date(action.ts).toLocaleString() : "";
    const userLink = action.author
      ? a({ href: `/author/${encodeURIComponent(action.author)}` }, action.author)
      : 'unknown';
    const type = action.type || 'unknown';
    const typeLabel = i18n[`type${capitalize(type)}`] || type;
    const content = action.content || {};
    const cardBody = [];

    if (type === 'votes') {
      const { question, deadline, status, votes, totalVotes } = content;
      const votesList = votes && typeof votes === 'object'
        ? Object.entries(votes).map(([option, count]) => ({ option, count }))
        : [];
      cardBody.push(
        div({ class: 'card-section votes' },
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.question + ':'), span({ class: 'card-value' }, question)),
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.deadline + ':'), span({ class: 'card-value' }, deadline ? new Date(deadline).toLocaleString() : '')),
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.voteTotalVotes + ':'), span({ class: 'card-value' }, totalVotes)),
          table(
            tr(...votesList.map(({ option }) => th(i18n[option] || option))),
            tr(...votesList.map(({ count }) => td(count)))
          )
        )
      );
    }

    if (type === 'transfer') {
      const { from, to, concept, amount, deadline, status, confirmedBy } = content;
      cardBody.push(
        div({ class: 'card-section transfer' },
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.concept + ':'), span({ class: 'card-value' }, concept)),
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.amount + ':'), span({ class: 'card-value' }, amount)),
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.deadline + ':'), span({ class: 'card-value' }, deadline ? new Date(deadline).toLocaleString() : '')),
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.status + ':'), span({ class: 'card-value' }, status))
        )
      );
    }

    if (type === 'bankWallet') {
      const { address } = content;
      cardBody.push(
        div({ class: 'card-section banking-wallet' },
          div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.bankWalletConnected + ':' ),
            span({ class: 'card-value' }, address)
          )
        )
      );
    }

    if (type === 'bankClaim') {
      const { amount, epochId, allocationId, txid } = content;
      const amt = Number(amount || 0);
      cardBody.push(
        div({ class: 'card-section banking-claim' },
          div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.bankUbiReceived + ':' ),
            span({ class: 'card-value' }, `${amt.toFixed(6)} ECO`)
          ),
          epochId ? div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.bankEpochShort + ':' ),
            span({ class: 'card-value' }, epochId)
          ) : "",
          allocationId ? div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.bankAllocId + ':' ),
            span({ class: 'card-value' }, allocationId)
          ) : "",
          txid ? div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.bankTx + ':' ),
            a({ href: `https://ecoin.03c8.net/blockexplorer/search?q=${txid}`, target: '_blank' }, txid)
          ) : ""
        )
      );
    }

    if (type === 'pixelia') {
      const { author } = content;
      cardBody.push(
        div({ class: 'card-section pixelia' },
          div({ class: 'card-field' },
            a({ href: `/author/${encodeURIComponent(author)}`, class: 'activityVotePost' }, author)
          )
        )
      );
    }

    if (type === 'tribe') {
      const { title, image, description, tags, isLARP, inviteMode, isAnonymous, members } = content;
      const validTags = Array.isArray(tags) ? tags : [];
      cardBody.push(
        div({ class: 'card-section tribe' },
          h2({ class: 'tribe-title' },
            a({ href: `/tribe/${encodeURIComponent(action.id)}`, class: "user-link" }, title)
          ),
          typeof isAnonymous === 'boolean' ? div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.tribeIsAnonymousLabel+ ':'), span({ class: 'card-value' }, isAnonymous ? i18n.tribePrivate : i18n.tribePublic)) : "",
          inviteMode ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.tribeModeLabel) + ':'), span({ class: 'card-value' }, inviteMode.toUpperCase())) : "",
          typeof isLARP === 'boolean' ? div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.tribeLARPLabel+ ':'), span({ class: 'card-value' }, isLARP ? i18n.tribeYes : i18n.tribeNo)) : "",
          Array.isArray(members) ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.tribeMembersCount) + ':'), span({ class: 'card-value' }, members.length)) : "",
          br(),
          image
            ? img({ src: `/blob/${encodeURIComponent(image)}`, class: 'feed-image tribe-image' })
            : img({ src: '/assets/images/default-tribe.png', class: 'feed-image tribe-image' }),
          p({ class: 'tribe-description' }, ...renderUrl(description || '')),
          validTags.length
            ? div({ class: 'card-tags' }, validTags.map(tag =>
              a({ href: `/search?query=%23${encodeURIComponent(tag)}`, class: "tag-link" }, `#${tag}`)))
            : ""
        )
      );
    }

    if (type === 'curriculum') {
      const { author, name, description, photo, personalSkills, oasisSkills, educationalSkills, languages, professionalSkills, status, preferences, createdAt, updatedAt} = content;
      cardBody.push(
        div({ class: 'card-section curriculum' },
          h2(a({ href: `/author/${encodeURIComponent(author)}`, class: "user-link" }, `@`, name)),
          div(
            { class: 'card-fields-container' },
            createdAt ?
              div(
                { class: 'card-field' },
                span({ class: 'card-label' }, i18n.cvCreatedAt + ':'),
                span({ class: 'card-value' }, moment(createdAt).format('YYYY-MM-DD HH:mm:ss'))
              )
              : "",
            updatedAt ?
              div(
                { class: 'card-field' },
                span({ class: 'card-label' }, i18n.cvUpdatedAt + ':'),
                span({ class: 'card-value' }, moment(updatedAt).format('YYYY-MM-DD HH:mm:ss'))
              )
              : ""
          ),
          status ? div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.cvStatusLabel + ':'), span({ class: 'card-value' }, status)) : "",
          preferences ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.cvPreferencesLabel || 'Preferences') + ':'), span({ class: 'card-value' }, preferences)) : "",
          languages ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.cvLanguagesLabel || 'Languages') + ':'), span({ class: 'card-value' }, languages.toUpperCase())) : "",
          photo ?
            [
              br(),
              img({ class: "cv-photo", src: `/blob/${encodeURIComponent(photo)}` }),
              br()
            ]
            : "",
          p(...renderUrl(description || "")),
          personalSkills && personalSkills.length
            ? div({ class: 'card-tags' }, personalSkills.map(skill =>
                a({ href: `/search?query=%23${encodeURIComponent(skill)}`, class: "tag-link" }, `#${skill}`)
              )) : "",
          oasisSkills && oasisSkills.length
            ? div({ class: 'card-tags' }, oasisSkills.map(skill =>
                a({ href: `/search?query=%23${encodeURIComponent(skill)}`, class: "tag-link" }, `#${skill}`)
              )) : "",
          educationalSkills && educationalSkills.length
            ? div({ class: 'card-tags' }, educationalSkills.map(skill =>
                a({ href: `/search?query=%23${encodeURIComponent(skill)}`, class: "tag-link" }, `#${skill}`)
              )) : "",
          professionalSkills && professionalSkills.length
            ? div({ class: 'card-tags' }, professionalSkills.map(skill =>
                a({ href: `/search?query=%23${encodeURIComponent(skill)}`, class: "tag-link" }, `#${skill}`)
              )) : ""
        )
      );
    }

    if (type === 'image') {
      const { url } = content;
      cardBody.push(
        div({ class: 'card-section image' },
          img({ src: `/blob/${encodeURIComponent(url)}`, class: 'feed-image img-content' })
        )
      );
    }

    if (type === 'audio') {
      const { url, mimeType, title } = content;
      cardBody.push(
        div({ class: 'card-section audio' },
          title?.trim() ? h2({ class: 'audio-title' }, title) : "",
          url
            ? div({ class: "audio-container" },
                audioHyperaxe({
                  controls: true,
                  src: `/blob/${encodeURIComponent(url)}`,
                  type: mimeType
                })
              )
            : p(i18n.audioNoFile)
        )
      );
    }

    if (type === 'video') {
      const { url, mimeType, title } = content;
      cardBody.push(
        div({ class: 'card-section video' },
          title?.trim() ? h2({ class: 'video-title' }, title) : "",
          url
            ? div({ class: "video-container" },
                videoHyperaxe({
                  controls: true,
                  src: `/blob/${encodeURIComponent(url)}`,
                  type: mimeType,
                  preload: 'metadata',
                  width: '640',
                  height: '360'
                })
              )
            : p(i18n.videoNoFile)
        )
      );
    }

    if (type === 'document') {
      const { url, title, key } = content;
      if (title && seenDocumentTitles.has(title.trim())) {
        return null;
      }
      if (title) seenDocumentTitles.add(title.trim());
      cardBody.push(
        div({ class: 'card-section document' },
          title?.trim() ? h2({ class: 'document-title' }, title) : "",
          div({
            id: `pdf-container-${key || url}`,
            class: 'pdf-viewer-container',
            'data-pdf-url': `/blob/${encodeURIComponent(url)}`
          })
        )
      );
    }

    if (type === 'bookmark') {
      const { url } = content;
      cardBody.push(
        div({ class: 'card-section bookmark' },
          h2(url ? p(a({ href: url, target: '_blank', class: "bookmark-url" }, url)) : "")
        )
      );
    }

    if (type === 'event') {
      const { title, description, date, location, price, attendees, organizer, isPublic } = content;
      cardBody.push(
        div({ class: 'card-section event' },
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.title + ':'), span({ class: 'card-value' }, title)),
          date ? div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.date + ':'), span({ class: 'card-value' }, new Date(date).toLocaleString())) : "",
          location ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.location || 'Location') + ':'), span({ class: 'card-value' }, location)) : "",
          typeof isPublic === 'boolean' ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.isPublic || 'Public') + ':'), span({ class: 'card-value' }, isPublic ? 'Yes' : 'No')) : "",
          price ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.price || 'Price') + ':'), span({ class: 'card-value' }, price + " ECO")) : "",
          br,
          organizer ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.organizer || 'Organizer') + ': '), a({ class: "user-link", href: `/author/${encodeURIComponent(organizer)}` }, organizer)) : "",
          Array.isArray(attendees) ? h2({ class: 'card-label' }, (i18n.attendees || 'Attendees') + ': ' + attendees.length) : ""
        )
      );
    }

    if (type === 'task') {
      const { title, startTime, endTime, priority, status, author } = content;
      cardBody.push(
        div({ class: 'card-section task' },
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.title + ':'), span({ class: 'card-value' }, title)),
          priority ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.priority || 'Priority') + ':'), span({ class: 'card-value' }, priority)) : "",
          startTime ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.taskStartTimeLabel || 'Start') + ':'), span({ class: 'card-value' }, new Date(startTime).toLocaleString())) : "",
          endTime ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.taskEndTimeLabel || 'End') + ':'), span({ class: 'card-value' }, new Date(endTime).toLocaleString())) : "",
          status ? div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.status + ':'), span({ class: 'card-value' }, status)) : ""
        )
      );
    }

    if (type === 'feed') {
      const { renderTextWithStyles } = require('../backend/renderTextWithStyles');
      const { text, refeeds } = content;
      cardBody.push(
        div({ class: 'card-section feed' },
          div({ class: 'feed-text', innerHTML: renderTextWithStyles(text) }),
          h2({ class: 'card-field' }, span({ class: 'card-label' }, i18n.tribeFeedRefeeds + ': '), span({ class: 'card-label' }, refeeds))
        )
      );
    }

    if (type === 'post') {
      const { contentWarning, text } = content;
      cardBody.push(
        div({ class: 'card-section post' },
          contentWarning ? h2({ class: 'content-warning' }, contentWarning) : '',
          p({ innerHTML: text })
        )
      );
    }

    if (type === 'forum') {
      const { root, category, title, text, key, rootTitle, rootKey } = content;
      if (!root) {
        const linkKey = key || action.id;
        const linkText = (title && String(title).trim()) ? title : '(sin título)';
        cardBody.push(
          div({ class: 'card-section forum' },
            div({ class: 'card-field', style: "font-size:1.12em; margin-bottom:5px;" },
              span({ class: 'card-label', style: "font-weight:800;color:#ff9800;" }, i18n.title + ': '),
              a({ href: `/forum/${encodeURIComponent(linkKey)}`, style: "font-weight:800;color:#4fc3f7;" }, linkText)
            )
          )
        );
      } else {
        const rootId = typeof root === 'string' ? root : (root?.key || root?.id || '');
        const parentForum = actions.find(a => a.type === 'forum' && !a.content?.root && (a.id === rootId || a.content?.key === rootId));
        const parentTitle = (parentForum?.content?.title && String(parentForum.content.title).trim()) ? parentForum.content.title : ((rootTitle && String(rootTitle).trim()) ? rootTitle : '(sin título)');
        const hrefKey = rootKey || rootId;
        cardBody.push(
          div({ class: 'card-section forum' },
            div({ class: 'card-field', style: "font-size:1.12em; margin-bottom:5px;" },
              span({ class: 'card-label', style: "font-weight:800;color:#ff9800;" }, i18n.title + ': '),
              a({ href: `/forum/${encodeURIComponent(hrefKey)}`, style: "font-weight:800;color:#4fc3f7;" }, parentTitle)
            ),
            br(),
            div({ class: 'card-field', style: 'margin-bottom:12px;' },
              p({ style: "margin:0 0 8px 0; word-break:break-all;" }, ...renderUrl(text))
            )
          )
        );
      }
    }

    if (type === 'vote') {
      const { vote } = content;
      cardBody.push(
        div({ class: 'card-section vote' },
          p(
            a({ href: `/thread/${encodeURIComponent(vote.link)}#${encodeURIComponent(vote.link)}`, class: 'activityVotePost' }, vote.link)
          )
        )
      );
    }

    if (type === 'about') {
      const { about, name, image } = content;
      cardBody.push(
        div({ class: 'card-section about' },
          h2(a({ href: `/author/${encodeURIComponent(about)}`, class: "user-link" }, `@`, name)),
          image
            ? img({ src: `/blob/${encodeURIComponent(image)}` })
            : img({ src: '/assets/images/default-avatar.png', alt: name })
        )
      );
    }

    if (type === 'contact') {
      const { contact } = content;
      cardBody.push(
        div({ class: 'card-section contact' },
          p({ class: 'card-field' },
            a({ href: `/author/${encodeURIComponent(contact)}`, class: 'activitySpreadInhabitant2' }, contact)
          )
        )
      );
    }

    if (type === 'pub') {
      const { address } = content;
      const { host, key } = address || {};
      cardBody.push(
        div({ class: 'card-section pub' },
          p({ class: 'card-field' },
            a({ href: `/author/${encodeURIComponent(key || '')}`, class: 'activitySpreadInhabitant2' }, key || '')
          )
        )
      );
    }

    if (type === 'market') {
      const { item_type, title, price, status, deadline, stock, image, auctions_poll, seller } = content;
      const isSeller = seller && userId && seller === userId;
      cardBody.push(
        div({ class: 'card-section market' },
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.marketItemTitle + ':'), span({ class: 'card-value' }, title)),
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.marketItemType + ':'), span({ class: 'card-value' }, item_type.toUpperCase())),
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.marketItemStatus + ": " ), span({ class: 'card-value' }, status.toUpperCase())),
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.deadline + ':'), span({ class: 'card-value' }, deadline ? new Date(deadline).toLocaleString() : "")),
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.marketItemStock + ':'), span({ class: 'card-value' }, stock)),
          br,
          image
            ? img({ src: `/blob/${encodeURIComponent(image)}` })
            : img({ src: '/assets/images/default-market.png', alt: title }),
          br,
          div({ class: "market-card price" },
            p(`${i18n.marketItemPrice}: ${price} ECO`)
          ),
          item_type === 'auction' && status !== 'SOLD' && status !== 'DISCARDED' && !isSeller
            ? div({ class: "auction-info" },
                auctions_poll && auctions_poll.length > 0
                  ? [
                      p({ class: "auction-bid-text" }, i18n.marketAuctionBids),
                      table({ class: 'auction-bid-table' },
                        tr(
                          th(i18n.marketAuctionBidTime),
                          th(i18n.marketAuctionUser),
                          th(i18n.marketAuctionBidAmount)
                        ),
                        ...(auctions_poll || []).map(bid => {
                          const [bidderId, bidAmount, bidTime] = bid.split(':');
                          return tr(
                            td(moment(bidTime).format('YYYY-MM-DD HH:mm:ss')),
                            td(a({ href: `/author/${encodeURIComponent(userId)}` }, userId)),
                            td(`${parseFloat(bidAmount).toFixed(6)} ECO`)
                          );
                        })
                      )
                    ]
                  : p(i18n.marketNoBids),
                form({ method: "POST", action: `/market/bid/${encodeURIComponent(action.id)}` },
                  input({ type: "number", name: "bidAmount", step: "0.000001", min: "0.000001", placeholder: i18n.marketYourBid, required: true }),
                  br(),
                  button({ class: "buy-btn", type: "submit" }, i18n.marketPlaceBidButton)
                )
              ) : "",
          item_type === 'exchange' && status !== 'SOLD' && status !== 'DISCARDED' && !isSeller
            ? form({ method: "POST", action: `/market/buy/${encodeURIComponent(action.id)}` },
                button({ class: "buy-btn", type: "submit" }, i18n.marketActionsBuy)
              ) : ""
        )
      );
    }

    if (type === 'report') {
      const { title, confirmations, severity, status } = content;
      cardBody.push(
        div({ class: 'card-section report' },
          div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.title + ':'), span({ class: 'card-value' }, title)),
          status ? div({ class: 'card-field' }, span({ class: 'card-label' }, i18n.status + ':'), span({ class: 'card-value' }, status)) : "",
          severity ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.severity || 'Severity') + ':'), span({ class: 'card-value' }, severity.toUpperCase())) : "",
          Array.isArray(confirmations) ? h2({ class: 'card-label' }, (i18n.transfersConfirmations) + ': ' + confirmations.length) : ""
        )
      );
    }

    if (type === 'project') {
      const {
        title, status, progress, goal, pledged,
        deadline, followers, backers, milestones,
        bounty, bountyAmount, bounty_currency,
        activity, activityActor
    } = content;

    const ratio = goal ? Math.min(100, Math.round((parseFloat(pledged || 0) / parseFloat(goal)) * 100)) : 0;
    const displayStatus = String(status || 'ACTIVE').toUpperCase();
    const followersCount = Array.isArray(followers) ? followers.length : 0;
    const backersCount = Array.isArray(backers) ? backers.length : 0;
    const backersTotal = sumAmounts(backers || []);
    const msCount = Array.isArray(milestones) ? milestones.length : 0;
    const lastMs = Array.isArray(milestones) && milestones.length ? milestones[milestones.length - 1] : null;
    const bountyVal = typeof bountyAmount !== 'undefined'
        ? bountyAmount
        : (typeof bounty === 'number' ? bounty : null);

    if (activity && activity.kind) {
        const tmpl =
            activity.kind === 'follow'
                ? (i18n.activityProjectFollow || '%OASIS% is now %ACTION% this project: %PROJECT%')
                : activity.kind === 'unfollow'
                    ? (i18n.activityProjectUnfollow || '%OASIS% is now %ACTION% this project: %PROJECT%')
                    : '%OASIS% performed an unknown action on %PROJECT%';

        const actionWord =
            activity.kind === 'follow'
                ? (i18n.following || 'FOLLOWING')
                : activity.kind === 'unfollow'
                    ? (i18n.unfollowing || 'UNFOLLOWING')
                    : 'ACTION';

        const msgHtml = tmpl
            .replace('%OASIS%', `<a class="user-link" href="/author/${encodeURIComponent(activity.activityActor || '')}">${activity.activityActor || ''}</a>`)
            .replace('%PROJECT%', `<a class="user-link" href="/projects/${encodeURIComponent(action.tipId || action.id)}">${title || ''}</a>`)
            .replace('%ACTION%', `<strong>${actionWord}</strong>`);

        return div({ class: 'card card-rpg' },
            div({ class: 'card-header' },
                h2({ class: 'card-label' }, `[${(i18n.typeProject || 'PROJECT').toUpperCase()}]`),
                form({ method: "GET", action: `/projects/${encodeURIComponent(action.tipId || action.id)}` },
                    button({ type: "submit", class: "filter-btn" }, i18n.viewDetails)
                )
            ),
            div(
                p({ innerHTML: msgHtml })
            ),
            p({ class: 'card-footer' },
                span({ class: 'date-link' }, `${action.ts ? new Date(action.ts).toLocaleString() : ''} ${i18n.performed} `),
                a({ href: `/author/${encodeURIComponent(action.author)}`, class: 'user-link' }, `${action.author}`)
            )
        );
    }

    cardBody.push(
        div({ class: 'card-section project' },
            title ? div({ class: 'card-field' },
                span({ class: 'card-label' }, i18n.title + ':'),
                span({ class: 'card-value' }, title)
            ) : "",
            typeof goal !== 'undefined' ? div({ class: 'card-field' },
                span({ class: 'card-label' }, i18n.projectGoal + ':'),
                span({ class: 'card-value' }, `${goal} ECO`)
            ) : "",
            typeof progress !== 'undefined' ? div({ class: 'card-field' },
                span({ class: 'card-label' }, i18n.projectProgress + ':'),
                span({ class: 'card-value' }, `${progress || 0}%`)
            ) : "",
            deadline ? div({ class: 'card-field' },
                span({ class: 'card-label' }, i18n.projectDeadline + ':'),
                span({ class: 'card-value' }, moment(deadline).format('YYYY/MM/DD HH:mm'))
            ) : "",
            div({ class: 'card-field' },
                span({ class: 'card-label' }, i18n.projectStatus + ':'),
                span({ class: 'card-value' }, i18n['projectStatus' + displayStatus] || displayStatus)
            ),
            div({ class: 'card-field' },
                span({ class: 'card-label' }, i18n.projectFunding + ':'),
                span({ class: 'card-value' }, `${ratio}%`)
            ),
            typeof pledged !== 'undefined' ? div({ class: 'card-field' },
                span({ class: 'card-label' }, i18n.projectPledged + ':'),
                span({ class: 'card-value' }, `${pledged || 0} ECO`)
            ) : "",
            div({ class: 'card-field' },
                span({ class: 'card-label' }, i18n.projectFollowers + ':'),
                span({ class: 'card-value' }, `${followersCount}`)
            ),
            div({ class: 'card-field' },
                span({ class: 'card-label' }, i18n.projectBackers + ':'),
                span({ class: 'card-value' }, `${backersCount} · ${backersTotal} ECO`)
            ),
            msCount ? div({ class: 'card-field' },
                span({ class: 'card-label' }, (i18n.projectMilestones || 'Milestones') + ':'),
                span({ class: 'card-value' }, `${msCount}${lastMs && lastMs.title ? ' · ' + lastMs.title : ''}`)
            ) : "",
            bountyVal != null ? div({ class: 'card-field' },
                span({ class: 'card-label' }, (i18n.projectBounty || 'Bounty') + ':'),
                span({ class: 'card-value' }, `${bountyVal} ${(bounty_currency || 'ECO').toUpperCase()}`)
            ) : ""
        )
      );
    }
      
    if (type === 'aiExchange') {
      const { ctx } = content;
      cardBody.push(
        div({ class: 'card-section ai-exchange' },
          Array.isArray(ctx) && ctx.length
            ? div({ class: 'card-field' }, span({ class: 'card-label' }, (i18n.aiSnippetsLearned || 'Snippets learned') + ':'), span({ class: 'card-value' }, String(ctx.length)))
            : ""
        )
      );
    }

    if (type === 'karmaScore') {
      const { karmaScore } = content;
      cardBody.push(
        div({ class: 'card-section ai-exchange' },
          div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.bankingUserEngagementScore + ':'),
            span({ class: 'card-value' }, karmaScore)
          )
        )
      );
    }

    if (type === 'job') {
      const { title, job_type, tasks, location, vacants, salary, status, subscribers } = content;
      cardBody.push(
        div({ class: 'card-section report' },
          div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.title + ':'),
            span({ class: 'card-value' }, title)
          ),
          salary && div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.jobSalary + ':'),
            span({ class: 'card-value' }, salary + ' ECO')
          ),
          status && div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.jobStatus + ':'),
            span({ class: 'card-value' }, status.toUpperCase())
          ),
          job_type && div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.jobType + ':'),
            span({ class: 'card-value' }, job_type.toUpperCase())
          ),
          location && div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.jobLocation + ':'),
            span({ class: 'card-value' }, location.toUpperCase())
          ),
          vacants && div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.jobVacants + ':'),
            span({ class: 'card-value' }, vacants)
          ),
          div({ class: 'card-field' },
            span({ class: 'card-label' }, i18n.jobSubscribers + ':'),
            span({ class: 'card-value' },
              Array.isArray(subscribers) && subscribers.length > 0
                ? `${subscribers.length}`
                : i18n.noSubscribers.toUpperCase()
            )
          )
        )
      );
    }

    return div({ class: 'card card-rpg' },
      div({ class: 'card-header' },
        h2({ class: 'card-label' }, `[${typeLabel}]`),
        type !== 'feed' && type !== 'aiExchange' && type !== 'bankWallet' && (!action.tipId || action.tipId === action.id)
          ? form({ method: "GET", action: getViewDetailsAction(type, action) },
              button({ type: "submit", class: "filter-btn" }, i18n.viewDetails)
            )
          : ''
      ),
      div({ class: 'card-body' }, ...cardBody),
      p({ class: 'card-footer' },
        span({ class: 'date-link' }, `${date} ${i18n.performed} `),
        a({ href: `/author/${encodeURIComponent(action.author)}`, class: 'user-link' }, `${action.author}`)
      )
    );
  });
}

function getViewDetailsAction(type, action) {
  const id = encodeURIComponent(action.tipId || action.id);
  switch (type) {
    case 'votes': return `/votes/${id}`;
    case 'transfer': return `/transfers/${id}`;
    case 'pixelia': return `/pixelia`;
    case 'tribe': return `/tribe/${id}`;
    case 'curriculum': return `/inhabitant/${encodeURIComponent(action.author)}`;
    case 'karmaScore': return `/author/${encodeURIComponent(action.author)}`;
    case 'image': return `/images/${id}`;
    case 'audio': return `/audios/${id}`;
    case 'video': return `/videos/${id}`;
    case 'forum':
      return `/forum/${encodeURIComponent(action.content?.key || action.tipId || action.id)}`;
    case 'document': return `/documents/${id}`;
    case 'bookmark': return `/bookmarks/${id}`;
    case 'event': return `/events/${id}`;
    case 'task': return `/tasks/${id}`;
    case 'about': return `/author/${encodeURIComponent(action.author)}`;
    case 'post': return `/thread/${id}#${id}`;
    case 'vote': return `/thread/${encodeURIComponent(action.content.vote.link)}#${encodeURIComponent(action.content.vote.link)}`;
    case 'contact': return `/inhabitants`;
    case 'pub': return `/invites`;
    case 'market': return `/market/${id}`;
    case 'job': return `/jobs/${id}`;
    case 'project': return `/projects/${id}`;
    case 'report': return `/reports/${id}`;
    case 'bankWallet': return `/wallet`;
    case 'bankClaim': return `/banking${action.content?.epochId ? `/epoch/${encodeURIComponent(action.content.epochId)}` : ''}`;
  }
}

exports.activityView = (actions, filter, userId) => {
  const title = filter === 'mine' ? i18n.yourActivity : i18n.globalActivity;
  const desc = i18n.activityDesc;

  const activityTypes = [
    { type: 'recent',    label: i18n.typeRecent },
    { type: 'all',       label: i18n.allButton },
    { type: 'mine',      label: i18n.mineButton },
    { type: 'banking',   label: i18n.typeBanking },
    { type: 'market',    label: i18n.typeMarket },
    { type: 'project',   label: i18n.typeProject },
    { type: 'job',       label: i18n.typeJob },
    { type: 'transfer',  label: i18n.typeTransfer },
    { type: 'votes',     label: i18n.typeVotes },
    { type: 'event',     label: i18n.typeEvent },
    { type: 'task',      label: i18n.typeTask },
    { type: 'report',    label: i18n.typeReport },
    { type: 'tribe',     label: i18n.typeTribe },
    { type: 'about',     label: i18n.typeAbout },
    { type: 'curriculum',label: i18n.typeCurriculum },
    { type: 'karmaScore',label: i18n.typeKarmaScore },
    { type: 'feed',      label: i18n.typeFeed },
    { type: 'aiExchange',label: i18n.typeAiExchange },
    { type: 'post',      label: i18n.typePost },
    { type: 'pixelia',   label: i18n.typePixelia },
    { type: 'forum',     label: i18n.typeForum },
    { type: 'bookmark',  label: i18n.typeBookmark },
    { type: 'image',     label: i18n.typeImage },
    { type: 'video',     label: i18n.typeVideo },
    { type: 'audio',     label: i18n.typeAudio },
    { type: 'document',  label: i18n.typeDocument }
  ];

  let filteredActions;
  if (filter === 'mine') {
    filteredActions = actions.filter(action => action.author === userId && action.type !== 'tombstone');
  } else if (filter === 'recent') {
    const now = Date.now();
    filteredActions = actions.filter(action => action.type !== 'tombstone' && action.ts && now - action.ts < 24 * 60 * 60 * 1000);
  } else if (filter === 'banking') {
    filteredActions = actions.filter(action => action.type !== 'tombstone' && (action.type === 'bankWallet' || action.type === 'bankClaim'));
  } else {
    filteredActions = actions.filter(action => (action.type === filter || filter === 'all') && action.type !== 'tombstone');
  }

  let html = template(
    title,
    section(
      div({ class: 'tags-header' },
        h2(i18n.activityList),
        p(desc)
      ),
      form({ method: 'GET', action: '/activity' },
        div({ class: 'mode-buttons', style: 'display:grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-bottom: 24px;' },
          div({ style: 'display: flex; flex-direction: column; gap: 8px;' },
            activityTypes.slice(0, 3).map(({ type, label }) =>
              form({ method: 'GET', action: '/activity' },
                input({ type: 'hidden', name: 'filter', value: type }),
                button({ type: 'submit', class: filter === type ? 'filter-btn active' : 'filter-btn' }, label)
              )
            )
          ),
          div({ style: 'display: flex; flex-direction: column; gap: 8px;' },
            activityTypes.slice(3, 8).map(({ type, label }) =>
              form({ method: 'GET', action: '/activity' },
                input({ type: 'hidden', name: 'filter', value: type }),
                button({ type: 'submit', class: filter === type ? 'filter-btn active' : 'filter-btn' }, label)
              )
            )
          ),
          div({ style: 'display: flex; flex-direction: column; gap: 8px;' },
            activityTypes.slice(8, 12).map(({ type, label }) =>
              form({ method: 'GET', action: '/activity' },
                input({ type: 'hidden', name: 'filter', value: type }),
                button({ type: 'submit', class: filter === type ? 'filter-btn active' : 'filter-btn' }, label)
              )
            )
          ),
          div({ style: 'display: flex; flex-direction: column; gap: 8px;' },
            activityTypes.slice(12, 17).map(({ type, label }) =>
              form({ method: 'GET', action: '/activity' },
                input({ type: 'hidden', name: 'filter', value: type }),
                button({ type: 'submit', class: filter === type ? 'filter-btn active' : 'filter-btn' }, label)
              )
            )
          ),
          div({ style: 'display: flex; flex-direction: column; gap: 8px;' },
            activityTypes.slice(17, 21).map(({ type, label }) =>
              form({ method: 'GET', action: '/activity' },
                input({ type: 'hidden', name: 'filter', value: type }),
                button({ type: 'submit', class: filter === type ? 'filter-btn active' : 'filter-btn' }, label)
              )
            )
          ),
          div({ style: 'display: flex; flex-direction: column; gap: 8px;' },
            activityTypes.slice(21, 26).map(({ type, label }) =>
              form({ method: 'GET', action: '/activity' },
                input({ type: 'hidden', name: 'filter', value: type }),
                button({ type: 'submit', class: filter === type ? 'filter-btn active' : 'filter-btn' }, label)
              )
            )
          )
        )
      ),
      section({ class: 'feed-container' }, renderActionCards(filteredActions, userId))
    )
  );

  const hasDocument = actions.some(a => a && a.type === 'document');
  if (hasDocument) {
    html += `
      <script type="module" src="/js/pdf.min.mjs"></script>
      <script src="/js/pdf-viewer.js"></script>
    `;
  }
  return html;
};
