[Fix] finishing levelup with a multiclass (#1906)

* Fix finishing levelup with a multiclass

* Fix removal when de-leveling

* Also delete multiclass related stuff if reducing below the minimum multiclass level

module/applications/sheets/actors/character.mjs

@@ -718,7 +718,7 @@ export default class CharacterSheet extends DHBaseActorSheet {
                     ? {
                           'system.linkedClass.uuid': {
                               key: 'system.linkedClass.uuid',
-                              value: this.document.system.class.value._stats.compendiumSource
+                              value: this.document.system.class.value?._stats.compendiumSource
                           }
                       }
                     : undefined,

module/data/item/subclass.mjs

@@ -56,38 +56,30 @@ export default class DHSubclass extends BaseDataItem {
         if (allowed === false) return;
 
         if (this.actor?.type === 'character') {
-            const dataUuid = data.uuid ?? data._stats.compendiumSource ?? `Item.${data._id}`;
+            const { value: actorClass, subclass: existingSubclass } = this.actor.system.class;
-            if (this.actor.system.class.subclass) {
+            const { value: multiclass, subclass: existingMultisubclass } = this.actor.system.multiclass;
-                if (this.actor.system.multiclass.subclass) {
+            if (!actorClass && !multiclass) {
-                    ui.notifications.warn(game.i18n.localize('DAGGERHEART.UI.Notifications.subclassesAlreadyPresent'));
+                ui.notifications.warn('DAGGERHEART.UI.Notifications.missingClass', { localize: true });
-                    return false;
+                return false;
-                } else {
+            }
-                    const multiclass = this.actor.items.find(x => x.type === 'class' && x.system.isMulticlass);
+            if (existingSubclass && existingMultisubclass) {
-                    if (!multiclass) {
+                ui.notifications.warn('DAGGERHEART.UI.Notifications.subclassesAlreadyPresent', { localize: true });
-                        ui.notifications.warn(game.i18n.localize('DAGGERHEART.UI.Notifications.missingMulticlass'));
+                return false;
-                        return false;
+            }
-                    }
+            if (existingSubclass && !multiclass) {
+                ui.notifications.warn('DAGGERHEART.UI.Notifications.missingMulticlass', { localize: true });
+                return false;
+            }
 
-                    if (multiclass.system.subclasses.every(x => x.uuid !== dataUuid)) {
+            const match = [multiclass, actorClass].find(
-                        ui.notifications.error(
+                c => c && (c._stats.compendiumSource ?? c.uuid) === this.linkedClass
-                            game.i18n.localize('DAGGERHEART.UI.Notifications.subclassNotInMulticlass')
+            );
-                        );
+            if (!match) {
-                        return false;
+                const key = multiclass ? 'subclassNotInMulticlass' : 'subclassNotInClass';
-                    }
+                ui.notifications.warn(`DAGGERHEART.UI.Notifications.${key}`, { localize: true });
-
+                return false;
-                    await this.updateSource({ isMulticlass: true });
+            } else if (match.system.isMulticlass) {
-                }
+                await this.updateSource({ isMulticlass: true });
-            } else {
-                const actorClass = this.actor.items.find(x => x.type === 'class' && !x.system.isMulticlass);
-                if (!actorClass) {
-                    ui.notifications.warn(game.i18n.localize('DAGGERHEART.UI.Notifications.missingClass'));
-                    return false;
-                }
-
-                if ((await actorClass.system.fetchSubclasses()).every(x => x.uuid !== dataUuid)) {
-                    ui.notifications.error(game.i18n.localize('DAGGERHEART.UI.Notifications.subclassNotInClass'));
-                    return false;
-                }
             }
         }
     }

module/documents/actor.mjs

@@ -153,10 +153,13 @@ export default class DhpActor extends Actor {
     async updateLevel(newLevel) {
         if (!['character', 'companion'].includes(this.type) || newLevel === this.system.levelData.level.changed) return;
 
+        const tiers = Object.values(game.settings.get(CONFIG.DH.id, CONFIG.DH.SETTINGS.gameSettings.LevelTiers).tiers);
+        const maxLevel = tiers.reduce((acc, tier) => Math.max(acc, tier.levels.end), 0);
+        const multiclassMinLevel = Math.min(
+            maxLevel,
+            ...tiers.filter(t => t.options.multiclass).map(t => t.levels.start)
+        );
         if (newLevel > this.system.levelData.level.current) {
-            const maxLevel = Object.values(
-                game.settings.get(CONFIG.DH.id, CONFIG.DH.SETTINGS.gameSettings.LevelTiers).tiers
-            ).reduce((acc, tier) => Math.max(acc, tier.levels.end), 0);
             if (newLevel > maxLevel) {
                 ui.notifications.warn(game.i18n.localize('DAGGERHEART.UI.Notifications.tooHighLevel'));
             }
@@ -231,18 +234,19 @@ export default class DhpActor extends Actor {
                     this.system.multiclass.subclass.update({ 'system.featureState': subclassFeatureState.multiclass });
                 }
 
-                if (multiclass) {
+                // Remove multiclass if we're removing a multiclass feature or if we're below the multiclass minimum level
-                    const multiclassItem = this.items.find(x => x.uuid === multiclass.itemUuid);
+                // Multclasses cannot be manually removed on the sheet, so this allows recovering in the case of errors
-                    const multiclassFeatures = this.items.filter(
+                if (multiclass || newLevel < multiclassMinLevel) {
-                        x => x.system.originItemType === 'class' && x.system.multiclassOrigin
+                    const multiclassItems = this.items.filter(
-                    );
+                        x =>
-                    const subclassFeatures = this.items.filter(
+                            x.uuid === multiclass?.itemUuid ||
-                        x => x.system.originItemType === 'subclass' && x.system.multiclassOrigin
+                            x.system.isMulticlass ||
+                            (['class', 'subclass'].includes(x.system.originItemType) && x.system.multiclassOrigin)
                     );
 
                     this.deleteEmbeddedDocuments(
                         'Item',
-                        [multiclassItem, ...multiclassFeatures, ...subclassFeatures].map(x => x.id)
+                        multiclassItems.map(x => x.id)
                     );
 
                     this.update({
@@ -281,6 +285,7 @@ export default class DhpActor extends Actor {
 
     async levelUp(levelupData) {
         const levelupAuto = game.settings.get(CONFIG.DH.id, CONFIG.DH.SETTINGS.gameSettings.Automation).levelupAuto;
+        const getStatsWithSource = document => ({ ...(document._stats ?? {}), compendiumSource: document.uuid });
 
         const levelups = {};
         for (var levelKey of Object.keys(levelupData)) {
@@ -393,8 +398,8 @@ export default class DhpActor extends Actor {
                     const embeddedItem = await this.createEmbeddedDocuments('Item', [
                         {
                             ...multiclassData,
-                            uuid: multiclassItem.uuid,
+                            uuid: multiclassItem.uuid, // todo: replace with setting an id and using keepId
-                            _stats: multiclassItem._stats,
+                            _stats: getStatsWithSource(multiclassItem),
                             system: {
                                 ...multiclassData.system,
                                 features: multiclassData.system.features.filter(x => x.type !== 'hope'),
@@ -407,8 +412,8 @@ export default class DhpActor extends Actor {
                     await this.createEmbeddedDocuments('Item', [
                         {
                             ...subclassData,
-                            uuid: subclassItem.uuid,
+                            uuid: subclassItem.uuid, // todo: replace with setting an id and using keepId
-                            _stats: subclassItem._stats,
+                            _stats: getStatsWithSource(subclassItem),
                             system: {
                                 ...subclassData.system,
                                 isMulticlass: true
@@ -428,8 +433,8 @@ export default class DhpActor extends Actor {
                     const embeddedItem = await this.createEmbeddedDocuments('Item', [
                         {
                             ...cardData,
-                            uuid: cardItem.uuid,
+                            uuid: cardItem.uuid, // todo: replace with setting an id and using keepId
-                            _stats: cardItem._stats,
+                            _stats: getStatsWithSource(cardItem),
                             system: {
                                 ...cardData.system,
                                 inVault: true
@@ -450,8 +455,7 @@ export default class DhpActor extends Actor {
                     const embeddedItem = await this.createEmbeddedDocuments('Item', [
                         {
                             ...cardData,
-                            uuid: cardItem.uuid,
+                            _stats: getStatsWithSource(cardItem),
-                            _stats: cardItem._stats,
                             system: {
                                 ...cardData.system,
                                 inVault: true