feat: team indeling in matchmaking + team_swap callback

bot.js

@@ -555,7 +555,9 @@ bot.onText(/\/match(@padel_nl_bot)?/, async (msg) => {
       return;
     }
     const names = result.players.map(p => p.name).join(', ');
-    const msgText = '🎾 **Match gevonden!**\n\n📅 ' + result.day + '\n⏰ ' + result.start + '-' + result.end + '\n👥 ' + names + '\n\nReageer met ✅ of ❌';
+    const t1 = (result.proposedTeam1 || []).map(p => p.name).join(' + ');
+    const t2 = (result.proposedTeam2 || []).map(p => p.name).join(' + ');
+    const msgText = '🎾 **Match gevonden!**\n\n📅 ' + result.day + '\n⏰ ' + result.start + '-' + result.end + '\n\n🏆 **Teams:**\n🟡 ' + t1 + '\n🔵 ' + t2 + '\n\nReageer met ✅ of ❌';
     const opts = {
       parse_mode: 'Markdown',
       reply_markup: {
@@ -1501,6 +1503,62 @@ bot.on('callback_query', async (query) => {
       logError('match response error:', e.message);
       bot.answerCallbackQuery(query.id, { text: 'Fout' }).catch(() => {});
     }
+  } else if (data.startsWith('team_swap_')) {
+    const matchId = data.split('_')[2];
+    try {
+      const teams = await api('/matches/' + matchId + '/teams');
+      if (!teams || !teams.teams) {
+        return bot.answerCallbackQuery(query.id, { text: 'Geen teams om te wisselen' }).catch(() => {});
+      }
+      // Wissel team1 en team2
+      const { team1, team2 } = teams.teams;
+      await api('/matches/' + matchId + '/teams', 'POST', {
+        team1: team2,
+        team2: team1
+      });
+
+      // Haal spelernamen op
+      const players = await api('/players');
+      const getName = id => { const p = players.find(x => x.id === id); return p ? p.name : '?'; };
+      const t1 = team2.map(getName).join(' + ');
+      const t2 = team1.map(getName).join(' + ');
+
+      // Stuur DM naar alle spelers
+      const matchInfo = await api('/matches/' + matchId);
+      if (matchInfo && Array.isArray(matchInfo.players)) {
+        for (const pid of matchInfo.players) {
+          const p = players.find(x => x.id === pid);
+          if (p && p.telegram_id) {
+            sendMsg(p.telegram_id,
+              '🔄 **Teams gewisseld!**\n\nNieuwe indeling voor ' + matchInfo.date + ' ' + matchInfo.start + ':\n🟡 ' + t1 + '\n🔵 ' + t2,
+              { parse_mode: 'Markdown' }
+            );
+          }
+        }
+      }
+
+      // Update het originele bericht
+      bot.editMessageText(
+        '🎾 **Match — teams gewisseld!**\n\n📅 ' + (matchInfo ? matchInfo.date + ' ' + matchInfo.start : '') + '\n\n🏆 **Teams:**\n🟡 ' + t1 + '\n🔵 ' + t2 + '\n\nReageer met ✅ of ❌',
+        {
+          chat_id: query.message.chat.id,
+          message_id: query.message.message_id,
+          parse_mode: 'Markdown',
+          reply_markup: {
+            inline_keyboard: [
+              [{ text: '✅ Ja, ik kan!', callback_data: 'match_accept_' + matchId },
+               { text: '❌ Nee', callback_data: 'match_reject_' + matchId }],
+              [{ text: '🔄 Weer wisselen', callback_data: 'team_swap_' + matchId }]
+            ]
+          }
+        }
+      ).catch(e => logError('team_swap edit fail:', e.message));
+
+      bot.answerCallbackQuery(query.id, { text: 'Teams gewisseld!' }).catch(() => {});
+    } catch (e) {
+      logError('team_swap error:', e.message);
+      bot.answerCallbackQuery(query.id, { text: 'Fout bij wisselen' }).catch(() => {});
+    }
   }
 });
 
@@ -1736,23 +1794,54 @@ async function runMatching() {
         }
       }
 
+      // Balanceer 4 spelers in 2 teams: hoog + laag vs mid
+      const sorted = [...best4].sort((a, b) => (a.level || 5) - (b.level || 5));
+      const proposedTeam1 = [sorted[0], sorted[3]]; // hoogste + laagste
+      const proposedTeam2 = [sorted[1], sorted[2]]; // midden twee
+
       const match = await api('/matches', 'POST', {
         day, start, end, date: matchDateStr,
         players: best4.map(p => p.id),
         telegram_ids: best4.filter(p => p.telegram_id).map(p => p.telegram_id)
       });
 
+      // Sla voorgestelde teams op
+      await api('/matches/' + match.id + '/teams', 'POST', {
+        team1: proposedTeam1.map(p => p.id),
+        team2: proposedTeam2.map(p => p.id)
+      });
+
+      const t1names = proposedTeam1.map(p => p.name).join(' + ');
+      const t2names = proposedTeam2.map(p => p.name).join(' + ');
+
       for (const p of best4) {
         if (p.telegram_id) {
           const levels = best4.map(x => x.name + ' (Lv.' + (x.level || '?') + ')').join(', ');
           sendMsg(p.telegram_id,
-            '🎾 **Match voorgesteld!**\n\n📅 ' + day + ' ' + matchDateStr + '\n⏰ ' + start + '-' + end + '\n👥 ' + levels + '\n\n📍 ' + peakzLocation + ' — baan vrij!\nReageer met /matches of stuur ✅/❌',
+            '🎾 **Match voorgesteld!**\n\n📅 ' + day + ' ' + matchDateStr + '\n⏰ ' + start + '-' + end + '\n\n🏆 **Teams:**\n🟡 ' + t1names + '\n🔵 ' + t2names + '\n\n📍 ' + peakzLocation + ' — baan vrij!\nStuur /matches om te reageren.',
             { parse_mode: 'Markdown' }
           );
         }
       }
 
-      return { day, start, end, players: best4, match };
+      // Ook naar groeps-chat met team indeling
+      if (targetChat) {
+        sendMsg(targetChat,
+          '🎾 **Match gevonden!**\n\n📅 ' + day + ' ' + matchDateStr + '\n⏰ ' + start + '-' + end + '\n\n🏆 **Teams:**\n🟡 ' + t1names + '\n🔵 ' + t2names + '\n\n📍 ' + peakzLocation + '\n\nReageer met ✅ of ❌',
+          {
+            parse_mode: 'Markdown',
+            reply_markup: {
+              inline_keyboard: [
+                [{ text: '✅ Ja, ik kan!', callback_data: 'match_accept_' + match.id },
+                 { text: '❌ Nee', callback_data: 'match_reject_' + match.id }],
+                [{ text: '🔄 Andere teams', callback_data: 'team_swap_' + match.id }]
+              ]
+            }
+          }
+        );
+      }
+
+      return { day, start, end, players: best4, match, proposedTeam1, proposedTeam2 };
     }
   }
   return null;