const { div, h2, p, section, button, form, input, ul, li, a, h3, span, strong, table, tr, td, th } = require("../server/node_modules/hyperaxe");
const { template, i18n } = require('./main_views');

Object.assign(i18n, {
  statsParliamentCandidature: "Parliament candidatures",
  statsParliamentTerm: "Parliament terms",
  statsParliamentProposal: "Parliament proposals",
  statsParliamentRevocation: "Parliament revocations",
  statsParliamentLaw: "Parliament laws",
  statsCourtsCase: "Court cases",
  statsCourtsEvidence: "Court evidence",
  statsCourtsAnswer: "Court answers",
  statsCourtsVerdict: "Court verdicts",
  statsCourtsSettlement: "Court settlements",
  statsCourtsSettlementProposal: "Settlement proposals",
  statsCourtsSettlementAccepted: "Settlements accepted",
  statsCourtsNomination: "Judge nominations",
  statsCourtsNominationVote: "Nomination votes"
});

const C = (stats, t) => Number((stats && stats.content && stats.content[t]) || 0);
const O = (stats, t) => Number((stats && stats.opinions && stats.opinions[t]) || 0);

exports.statsView = (stats, filter) => {
  const title = i18n.statsTitle;
  const description = i18n.statsDescription;
  const modes = ['ALL', 'MINE', 'TOMBSTONE'];
  const types = [
    'bookmark', 'event', 'task', 'votes', 'report', 'feed', 'project',
    'image', 'audio', 'video', 'document', 'transfer', 'post', 'tribe',
    'market', 'forum', 'job', 'aiExchange',
    'parliamentCandidature','parliamentTerm','parliamentProposal','parliamentRevocation','parliamentLaw',
    'courtsCase','courtsEvidence','courtsAnswer','courtsVerdict','courtsSettlement','courtsSettlementProposal','courtsSettlementAccepted','courtsNomination','courtsNominationVote'
  ];
  const labels = {
    bookmark: i18n.statsBookmark,
    event: i18n.statsEvent,
    task: i18n.statsTask,
    votes: i18n.statsVotes,
    report: i18n.statsReport,
    feed: i18n.statsFeed,
    project: i18n.statsProject,
    image: i18n.statsImage,
    audio: i18n.statsAudio,
    video: i18n.statsVideo,
    document: i18n.statsDocument,
    transfer: i18n.statsTransfer,
    post: i18n.statsPost,
    tribe: i18n.statsTribe,
    market: i18n.statsMarket,
    forum: i18n.statsForum,
    job: i18n.statsJob,
    aiExchange: i18n.statsAiExchange,
    parliamentCandidature: i18n.statsParliamentCandidature,
    parliamentTerm: i18n.statsParliamentTerm,
    parliamentProposal: i18n.statsParliamentProposal,
    parliamentRevocation: i18n.statsParliamentRevocation,
    parliamentLaw: i18n.statsParliamentLaw,
    courtsCase: i18n.statsCourtsCase,
    courtsEvidence: i18n.statsCourtsEvidence,
    courtsAnswer: i18n.statsCourtsAnswer,
    courtsVerdict: i18n.statsCourtsVerdict,
    courtsSettlement: i18n.statsCourtsSettlement,
    courtsSettlementProposal: i18n.statsCourtsSettlementProposal,
    courtsSettlementAccepted: i18n.statsCourtsSettlementAccepted,
    courtsNomination: i18n.statsCourtsNomination,
    courtsNominationVote: i18n.statsCourtsNominationVote
  };
  const totalContent = types.filter(t => t !== 'karmaScore').reduce((sum, t) => sum + C(stats, t), 0);
  const totalOpinions = types.reduce((sum, t) => sum + O(stats, t), 0);
  const blockStyle = 'padding:16px;border:1px solid #ddd;border-radius:8px;margin-bottom:24px;';
  const headerStyle = 'background-color:#f8f9fa; padding:24px; border-radius:8px; border:1px solid #e0e0e0; box-shadow:0 2px 8px rgba(0,0,0,0.1);';
  return template(
    title,
    section(
      div({ class: 'tags-header' },
        h2(title),
        p(description)
      ),
      div({ class: 'mode-buttons', style: 'display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:16px;margin-bottom:24px;' },
        modes.map(m =>
          form({ method: 'GET', action: '/stats' },
            input({ type: 'hidden', name: 'filter', value: m }),
            button({ type: 'submit', class: filter === m ? 'filter-btn active' : 'filter-btn' }, i18n[m + 'Button'])
          )
        )
      ),
      section(
        div({ style: headerStyle },
          h3({ style: 'font-size:18px; color:#555; margin:8px 0;' }, `${i18n.statsCreatedAt}: `, span({ style: 'color:#888;' }, stats.createdAt)),
          h3({ style: 'font-size:18px; color:#555; margin:8px 0; font-weight:600;' },
            a({ class: "user-link", href: `/author/${encodeURIComponent(stats.id)}`, style: 'color:#007bff; text-decoration:none;' }, stats.id)
          ),
          div({ style: 'margin-bottom:16px;' },
            ul({ style: 'list-style-type:none; padding:0; margin:0;' },
              li({ style: 'font-size:18px; color:#555; margin:8px 0;' }, `${i18n.statsBlobsSize}: `, span({ style: 'color:#888;' }, stats.statsBlobsSize)),
              li({ style: 'font-size:18px; color:#555; margin:8px 0;' }, `${i18n.statsBlockchainSize}: `, span({ style: 'color:#888;' }, stats.statsBlockchainSize)),
              li({ style: 'font-size:18px; color:#555; margin:8px 0;' }, strong(`${i18n.statsSize}: `, span({ style: 'color:#888;' }, span({ style: 'color:#555;' }, stats.folderSize))))
            )
          )
        ),
        div({ style: headerStyle }, h3(`${i18n.bankingUserEngagementScore}: ${C(stats, 'karmaScore')}`)),
        div({ style: headerStyle },
          h3(i18n.statsCarbonFootprintTitle || 'Carbon Footprint'),
          (() => {
            const parseSize = (s) => {
              if (!s) return 0;
              const m = String(s).match(/([\d.]+)\s*(GB|MB|KB|B)/i);
              if (!m) return 0;
              const v = parseFloat(m[1]);
              const u = m[2].toUpperCase();
              if (u === 'GB') return v * 1024;
              if (u === 'MB') return v;
              if (u === 'KB') return v / 1024;
              return v / (1024 * 1024);
            };
            const blobsMB = parseSize(stats.statsBlobsSize);
            const chainMB = parseSize(stats.statsBlockchainSize);
            const totalMB = blobsMB + chainMB;
            const kWhPerMB = 0.0002;
            const gCO2PerKWh = 475;
            const networkCO2 = parseFloat((totalMB * kWhPerMB * gCO2PerKWh).toFixed(2));
            const inhabitants = stats.usersKPIs?.totalInhabitants || stats.inhabitants || 1;
            const userCO2 = parseFloat((networkCO2 / Math.max(1, inhabitants)).toFixed(2));
            const maxAnnualCO2 = 500;

            if (filter === 'MINE') {
              const pct = networkCO2 > 0 ? Math.min(100, (userCO2 / networkCO2) * 100).toFixed(1) : '0.0';
              return div({ class: 'carbon-chart' },
                div({ class: 'carbon-bar-label' },
                  span(i18n.statsCarbonUser || 'Your footprint'),
                  span(`${userCO2} g CO₂`)
                ),
                div({ class: 'carbon-bar-track' },
                  div({ class: 'carbon-bar-fill carbon-bar-mine', style: `width:${pct}%;` })
                ),
                div({ class: 'carbon-bar-label' },
                  span(i18n.statsCarbonNetwork || 'Network total'),
                  span(`${networkCO2} g CO₂`)
                ),
                div({ class: 'carbon-bar-track' },
                  div({ class: 'carbon-bar-fill carbon-bar-network', style: 'width:100%;' })
                ),
                p({ class: 'carbon-bar-note' }, strong(`${pct}%`), ` ${i18n.statsCarbonOfNetwork || 'of network total'}`),
                p({ class: 'carbon-bar-formula' }, 'Based on local data storage weight ', strong('(0.0002 kWh/MB × 475 g CO₂/kWh)'))
              );
            }
            if (filter === 'TOMBSTONE') {
              const tombCount = stats.tombstoneKPIs?.networkTombstoneCount || 0;
              const avgTombBytes = 500;
              const tombMB = (tombCount * avgTombBytes) / (1024 * 1024);
              const tombCO2 = parseFloat((tombMB * kWhPerMB * gCO2PerKWh).toFixed(4));
              const tombPct = networkCO2 > 0 ? Math.min(100, (tombCO2 / networkCO2) * 100).toFixed(1) : '0.0';
              return div({ class: 'carbon-chart' },
                div({ class: 'carbon-bar-label' },
                  span(i18n.statsCarbonTombstone || 'Tombstoning footprint'),
                  span(`${tombCO2} g CO₂`)
                ),
                div({ class: 'carbon-bar-track' },
                  div({ class: 'carbon-bar-fill carbon-bar-mine', style: `width:${tombPct}%;` })
                ),
                div({ class: 'carbon-bar-label' },
                  span(i18n.statsCarbonNetwork || 'Network total'),
                  span(`${networkCO2} g CO₂`)
                ),
                div({ class: 'carbon-bar-track' },
                  div({ class: 'carbon-bar-fill carbon-bar-network', style: 'width:100%;' })
                ),
                p({ class: 'carbon-bar-note' }, strong(`${tombPct}%`), ` ${i18n.statsCarbonOfNetwork || 'of network total'} (${tombCount} tombstones × ~${avgTombBytes} bytes)`),
                p({ class: 'carbon-bar-formula' }, 'Based on estimated tombstone message size ', strong('(0.0002 kWh/MB × 475 g CO₂/kWh)'))
              );
            }
            const pct = Math.min(100, (networkCO2 / maxAnnualCO2) * 100).toFixed(1);
            return div({ class: 'carbon-chart' },
              div({ class: 'carbon-bar-label' },
                span(i18n.statsCarbonNetwork || 'Network footprint'),
                span(`${networkCO2} g CO₂`)
              ),
              div({ class: 'carbon-bar-track' },
                div({ class: 'carbon-bar-fill carbon-bar-network', style: `width:${pct}%;` })
              ),
              div({ class: 'carbon-bar-label' },
                span(i18n.statsCarbonMaxAnnual || 'Annual max estimate'),
                span(`${maxAnnualCO2} g CO₂`)
              ),
              div({ class: 'carbon-bar-track' },
                div({ class: 'carbon-bar-fill carbon-bar-max', style: 'width:100%;' })
              ),
              p({ class: 'carbon-bar-note' }, strong(`${pct}%`), ` ${i18n.statsCarbonOfEstMax || 'of estimated max capacity'}`),
              p({ class: 'carbon-bar-formula' }, 'Based on local data storage weight ', strong('(0.0002 kWh/MB × 475 g CO₂/kWh)'))
            );
          })()
        ),
        div({ style: headerStyle },
          h3({ style: 'font-size:18px; color:#555; margin:8px 0; font-weight:600;' }, i18n.statsBankingTitle),
          ul({ style: 'list-style-type:none; padding:0; margin:0;' },
            li({ style: 'font-size:18px; color:#555; margin:8px 0;' }, `${i18n.statsEcoWalletLabel}: `, a({ href: '/wallet', style: 'color:#007bff; text-decoration:none; word-break:break-all;' }, stats?.banking?.myAddress || i18n.statsEcoWalletNotConfigured)),
            li({ style: 'font-size:18px; color:#555; margin:8px 0;' }, `${i18n.statsTotalEcoAddresses}: `, span({ style: 'color:#888;' }, String(stats?.banking?.totalAddresses || 0)))
          )
        ),
        div({ style: headerStyle },
          h3({ style: 'font-size:18px; color:#555; margin:8px 0; font-weight:600;' }, i18n.statsAITraining),
          ul({ style: 'list-style-type:none; padding:0; margin:0;' },
            li({ style: 'font-size:18px; color:#555; margin:8px 0;' }, `${i18n.statsAIExchanges}: `, span({ style: 'color:#888;' }, String(C(stats, 'aiExchange') || 0)))
          )
        ),
        div({ style: headerStyle }, h3(`${i18n.statsPUBs}: ${String(stats.pubsCount || 0)}`)),
        filter === 'ALL'
          ? div({ class: 'stats-container' }, [
              div({ style: blockStyle },
                h2(i18n.statsActivity7d),
                table({ style: 'width:100%; border-collapse: collapse;' },
                  tr(th(i18n.day), th(i18n.messages)),
                  ...(Array.isArray(stats.activity?.daily7) ? stats.activity.daily7 : []).map(row => tr(td(row.day), td(String(row.count))))
                ),
                p(`${i18n.statsActivity7dTotal}: ${stats.activity?.daily7Total || 0}`),
                p(`${i18n.statsActivity30dTotal}: ${stats.activity?.daily30Total || 0}`)
              ),
              div({ style: blockStyle },
                h2(`${i18n.statsDiscoveredTribes}: ${stats.allTribesPublic.length}`),
                table({ style: 'width:100%; border-collapse: collapse; margin-top: 8px;' },
                  ...stats.allTribesPublic.map(t => tr(td(a({ href: `/tribe/${encodeURIComponent(t.id)}`, class: 'tribe-link' }, t.name))))
                )
              ),
              div({ style: blockStyle },
                h2(`${i18n.statsPrivateDiscoveredTribes}: ${stats.tribePrivateCount || 0}`)
              ),
              div({ style: blockStyle }, h2(`${i18n.statsUsersTitle}: ${stats.usersKPIs?.totalInhabitants || stats.inhabitants || 0}`)),
              div({ style: blockStyle }, h2(`${i18n.statsDiscoveredForum}: ${C(stats, 'forum')}`)),
              div({ style: blockStyle }, h2(`${i18n.statsDiscoveredTransfer}: ${C(stats, 'transfer')}`)),
              div({ style: blockStyle },
                h2(i18n.statsMarketTitle),
                ul([
                  li(`${i18n.statsMarketTotal}: ${stats.marketKPIs?.total || 0}`),
                  li(`${i18n.statsMarketForSale}: ${stats.marketKPIs?.forSale || 0}`),
                  li(`${i18n.statsMarketReserved}: ${stats.marketKPIs?.reserved || 0}`),
                  li(`${i18n.statsMarketClosed}: ${stats.marketKPIs?.closed || 0}`),
                  li(`${i18n.statsMarketSold}: ${stats.marketKPIs?.sold || 0}`),
                  li(`${i18n.statsMarketRevenue}: ${((stats.marketKPIs?.revenueECO || 0)).toFixed(6)} ECO`),
                  li(`${i18n.statsMarketAvgSoldPrice}: ${((stats.marketKPIs?.avgSoldPrice || 0)).toFixed(6)} ECO`)
                ])
              ),
              div({ style: blockStyle },
                h2(i18n.statsProjectsTitle),
                ul([
                  li(`${i18n.statsProjectsTotal}: ${stats.projectsKPIs?.total || 0}`),
                  li(`${i18n.statsProjectsActive}: ${stats.projectsKPIs?.active || 0}`),
                  li(`${i18n.statsProjectsCompleted}: ${stats.projectsKPIs?.completed || 0}`),
                  li(`${i18n.statsProjectsPaused}: ${stats.projectsKPIs?.paused || 0}`),
                  li(`${i18n.statsProjectsCancelled}: ${stats.projectsKPIs?.cancelled || 0}`),
                  li(`${i18n.statsProjectsGoalTotal}: ${(stats.projectsKPIs?.ecoGoalTotal || 0)} ECO`),
                  li(`${i18n.statsProjectsPledgedTotal}: ${(stats.projectsKPIs?.ecoPledgedTotal || 0)} ECO`),
                  li(`${i18n.statsProjectsSuccessRate}: ${((stats.projectsKPIs?.successRate || 0)).toFixed(1)}%`),
                  li(`${i18n.statsProjectsAvgProgress}: ${((stats.projectsKPIs?.avgProgress || 0)).toFixed(1)}%`),
                  li(`${i18n.statsProjectsMedianProgress}: ${((stats.projectsKPIs?.medianProgress || 0)).toFixed(1)}%`),
                  li(`${i18n.statsProjectsActiveFundingAvg}: ${((stats.projectsKPIs?.activeFundingAvg || 0)).toFixed(1)}%`)
                ])
              ),
              div({ style: blockStyle },
                h2(`${i18n.statsNetworkOpinions}: ${totalOpinions}`),
                ul(types.map(t => O(stats, t) > 0 ? li(`${labels[t]}: ${O(stats, t)}`) : null).filter(Boolean))
              ),
              div({ style: blockStyle },
                h2(`${i18n.statsNetworkContent}: ${totalContent}`),
                ul(
                  types.filter(t => t !== 'karmaScore').map(t => {
                    if (C(stats, t) <= 0) return null;
                    if (t !== 'tribe') return li(`${labels[t]}: ${C(stats, t)}`);
                    return li(
                      span(`${labels[t]}: ${C(stats, t)}`),
                      ul([
                        li(`${i18n.statsPublic}: ${stats.tribePublicCount || 0}`),
                        li(`${i18n.statsPrivate}: ${stats.tribePrivateCount || 0}`)
                      ])
                    );
                  }).filter(Boolean)
                )
              )
            ])
          : filter === 'MINE'
            ? div({ class: 'stats-container' }, [
                div({ style: blockStyle },
                  h2(i18n.statsActivity7d),
                  table({ style: 'width:100%; border-collapse: collapse;' },
                    tr(th(i18n.day), th(i18n.messages)),
                    ...(Array.isArray(stats.activity?.daily7) ? stats.activity.daily7 : []).map(row => tr(td(row.day), td(String(row.count))))
                  ),
                  p(`${i18n.statsActivity7dTotal}: ${stats.activity?.daily7Total || 0}`),
                  p(`${i18n.statsActivity30dTotal}: ${stats.activity?.daily30Total || 0}`)
                ),
                div({ style: blockStyle },
                  h2(`${i18n.statsDiscoveredTribes}: ${stats.memberTribesDetailed.length}`),
                  table({ style: 'width:100%; border-collapse: collapse; margin-top: 8px;' },
                    ...stats.memberTribesDetailed.map(t => tr(td(a({ href: `/tribe/${encodeURIComponent(t.id)}`, class: 'tribe-link' }, t.name))))
                  )
                ),
                Array.isArray(stats.myPrivateTribesDetailed) && stats.myPrivateTribesDetailed.length
                  ? div({ style: blockStyle },
                      h2(`${i18n.statsPrivateDiscoveredTribes}: ${stats.myPrivateTribesDetailed.length}`),
                      table({ style: 'width:100%; border-collapse: collapse; margin-top: 8px;' },
                        ...stats.myPrivateTribesDetailed.map(tp => tr(td(a({ href: `/tribe/${encodeURIComponent(tp.id)}`, class: 'tribe-link' }, tp.name))))
                      )
                    )
                  : null,
                div({ style: blockStyle }, h2(`${i18n.statsYourForum}: ${C(stats, 'forum')}`)),
                div({ style: blockStyle }, h2(`${i18n.statsYourTransfer}: ${C(stats, 'transfer')}`)),
                div({ style: blockStyle },
                  h2(i18n.statsMarketTitle),
                  ul([
                    li(`${i18n.statsMarketTotal}: ${stats.marketKPIs?.total || 0}`),
                    li(`${i18n.statsMarketForSale}: ${stats.marketKPIs?.forSale || 0}`),
                    li(`${i18n.statsMarketReserved}: ${stats.marketKPIs?.reserved || 0}`),
                    li(`${i18n.statsMarketClosed}: ${stats.marketKPIs?.closed || 0}`),
                    li(`${i18n.statsMarketSold}: ${stats.marketKPIs?.sold || 0}`),
                    li(`${i18n.statsMarketRevenue}: ${((stats.marketKPIs?.revenueECO || 0)).toFixed(6)} ECO`),
                    li(`${i18n.statsMarketAvgSoldPrice}: ${((stats.marketKPIs?.avgSoldPrice || 0)).toFixed(6)} ECO`)
                  ])
                ),
                div({ style: blockStyle },
                  h2(i18n.statsProjectsTitle),
                  ul([
                    li(`${i18n.statsProjectsTotal}: ${stats.projectsKPIs?.total || 0}`),
                    li(`${i18n.statsProjectsActive}: ${stats.projectsKPIs?.active || 0}`),
                    li(`${i18n.statsProjectsCompleted}: ${stats.projectsKPIs?.completed || 0}`),
                    li(`${i18n.statsProjectsPaused}: ${stats.projectsKPIs?.paused || 0}`),
                    li(`${i18n.statsProjectsCancelled}: ${stats.projectsKPIs?.cancelled || 0}`),
                    li(`${i18n.statsProjectsGoalTotal}: ${(stats.projectsKPIs?.ecoGoalTotal || 0)} ECO`),
                    li(`${i18n.statsProjectsPledgedTotal}: ${(stats.projectsKPIs?.ecoPledgedTotal || 0)} ECO`),
                    li(`${i18n.statsProjectsSuccessRate}: ${((stats.projectsKPIs?.successRate || 0)).toFixed(1)}%`),
                    li(`${i18n.statsProjectsAvgProgress}: ${((stats.projectsKPIs?.avgProgress || 0)).toFixed(1)}%`),
                    li(`${i18n.statsProjectsMedianProgress}: ${((stats.projectsKPIs?.medianProgress || 0)).toFixed(1)}%`),
                    li(`${i18n.statsProjectsActiveFundingAvg}: ${((stats.projectsKPIs?.activeFundingAvg || 0)).toFixed(1)}%`)
                  ])
                ),
                div({ style: blockStyle },
                  h2(`${i18n.statsYourOpinions}: ${totalOpinions}`),
                  ul(types.map(t => O(stats, t) > 0 ? li(`${labels[t]}: ${O(stats, t)}`) : null).filter(Boolean))
                ),
                div({ style: blockStyle },
                  h2(`${i18n.statsYourContent}: ${totalContent}`),
                  ul(
                    types.filter(t => t !== 'karmaScore').map(t => {
                      if (C(stats, t) <= 0) return null;
                      if (t !== 'tribe') return li(`${labels[t]}: ${C(stats, t)}`);
                      return li(
                        span(`${labels[t]}: ${C(stats, t)}`),
                        ul([
                          li(`${i18n.statsPublic}: ${stats.tribePublicCount || 0}`),
                          li(`${i18n.statsPrivate}: ${stats.tribePrivateCount || 0}`),
                          ...(Array.isArray(stats.myPrivateTribesDetailed) && stats.myPrivateTribesDetailed.length
                            ? [
                                li(i18n.statsPrivateDiscoveredTribes),
                                ...stats.myPrivateTribesDetailed.map(tp =>
                                  li(a({ href: `/tribe/${encodeURIComponent(tp.id)}`, class: 'tribe-link' }, tp.name))
                                )
                              ]
                            : [])
                        ])
                      );
                    }).filter(Boolean)
                  )
                )
              ])
            : div({ class: 'stats-container' }, [
                div({ style: blockStyle },
                  h2(`${i18n.TOMBSTONEButton}: ${stats.userTombstoneCount}`),
                  h2(`${i18n.statsTombstoneRatio.toUpperCase()}: ${((stats.tombstoneKPIs?.ratio || 0)).toFixed(2)}%`)
                )
              ])
      )
    )
  );
};