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src/services/companyImport.js

@@ -91,6 +91,51 @@ export function parseCsvRecords(text) {
     return records;
 }
 
+/**
+ * Extracts or derives a variant attribute value for a child article
+ * based on its name relative to its parent name, or SKU suffixes.
+ *
+ * @param {string} parentName
+ * @param {string} childName
+ * @param {string} childSku
+ * @param {string} parentSku
+ * @returns {string}
+ */
+export function extractVariantValue(parentName, childName, childSku, parentSku) {
+    let pName = (parentName || '').replace(/[©®™]/g, '').trim();
+    let cName = (childName || '').replace(/[©®™]/g, '').trim();
+
+    if (pName && cName) {
+        // Child name starts with parent name
+        if (cName.toLowerCase().startsWith(pName.toLowerCase())) {
+            let val = cName.slice(pName.length).trim().replace(/^[-–—:/,\s]+/, '').trim();
+            if (val) return val;
+        }
+        // Match common leading tokens
+        const pWords = pName.toLowerCase().split(/\s+/);
+        const cWords = cName.split(/\s+/);
+        if (cWords.length > 1 && pWords[0] === cWords[0].toLowerCase()) {
+            let matchCount = 0;
+            while (matchCount < pWords.length && matchCount < cWords.length && pWords[matchCount] === cWords[matchCount].toLowerCase()) {
+                matchCount++;
+            }
+            if (matchCount > 0) {
+                const remaining = cWords.slice(matchCount).join(' ').trim().replace(/^[-–—:/,\s]+/, '').trim();
+                if (remaining) return remaining;
+            }
+        }
+    }
+
+    // SKU suffix: "42001505-1" with parent "42001505" -> "1"
+    if (parentSku && childSku && childSku.startsWith(parentSku)) {
+        let suffix = childSku.slice(parentSku.length).trim().replace(/^[-_]+/, '').trim();
+        if (suffix) return suffix;
+    }
+
+    if (cName && cName !== pName) return cName;
+    return childSku || 'Standard';
+}
+
 /**
  * Executes full catalog import from preserved files in importDir.
  *
@@ -502,23 +547,108 @@ export async function executeCompanyImport({
     console.log(`[Import] Linking ${variantChildren.length} child variants to parents...`);
     onProgress('variants', 0, variantChildren.length, 'Linking variants');
 
-    let variantsLinked = 0;
-    for (let i = 0; i < variantChildren.length; i++) {
-        const child = variantChildren[i];
-        const childSku = String(child.cArtNr || '').trim();
+    // Ensure a default attribute (e.g. "Variante") exists for variant parents
+    let defaultVariantAttrId = null;
+    try {
+        const attrList = await store.attributename.list(googleAuthId);
+        const existingAttr = attrList.find(
+            (a) => (a.name || '').trim().toLowerCase() === 'variante'
+        );
+        if (existingAttr) {
+            defaultVariantAttrId = existingAttr.id;
+        } else {
+            const createdAttr = await store.attributename.create(googleAuthId, {
+                name: 'Variante',
+                exclusive: true,
+            });
+            defaultVariantAttrId = createdAttr.id;
+        }
+    } catch (err) {
+        log.warn('Could not ensure default "Variante" attribute:', err.message);
+    }
+
+    // Group children by parent SKU
+    const parentChildrenMap = new Map();
+    for (const child of variantChildren) {
         const parentJtlId = String(child.kVaterArtikel || '').trim();
         const parentSku = jtlArtIdToSku.get(parentJtlId);
+        const childSku = String(child.cArtNr || '').trim();
+        if (!parentSku || !childSku || parentSku === childSku) continue;
 
-        if (childSku && parentSku && childSku !== parentSku) {
-            try {
-                await store.article.setParentBySku(googleAuthId, childSku, parentSku);
-                variantsLinked++;
-            } catch (err) {
-                console.warn(`[Import] Failed to link child ${childSku} to parent ${parentSku}:`, err.message);
+        if (!parentChildrenMap.has(parentSku)) {
+            parentChildrenMap.set(parentSku, []);
+        }
+        parentChildrenMap.get(parentSku).push(child);
+    }
+
+    let variantsLinked = 0;
+    let processedCount = 0;
+
+    for (const [parentSku, children] of parentChildrenMap.entries()) {
+        let parentDetail = null;
+        try {
+            const res = await store.article.getBySku(googleAuthId, parentSku);
+            parentDetail = res.article;
+        } catch (err) {
+            log.warn(`[Import] Could not load parent ${parentSku}:`, err.message);
+            processedCount += children.length;
+            continue;
+        }
+
+        // Ensure parent has is_parent = 1 and parentattributename_id set
+        let parentAttrId = parentDetail?.parentAttributeNameId;
+        if (!parentDetail?.isParent || !parentAttrId) {
+            if (defaultVariantAttrId) {
+                try {
+                    await store.article.toggleParent(googleAuthId, parentSku, {
+                        isParent: true,
+                        attributeNameId: defaultVariantAttrId,
+                    });
+                    parentAttrId = defaultVariantAttrId;
+                } catch (err) {
+                    log.warn(`[Import] Could not toggle parent for ${parentSku}:`, err.message);
+                }
             }
         }
-        if (i % 20 === 0 || i === variantChildren.length - 1) {
-            onProgress('variants', i + 1, variantChildren.length, `${childSku} -> ${parentSku}`);
+
+        const parentName = parentDetail?.name || '';
+        const usedValues = new Set();
+
+        for (const child of children) {
+            processedCount++;
+            const childSku = String(child.cArtNr || '').trim();
+            let childName = '';
+            try {
+                const desc = JSON.parse(child.descriptions || '[]');
+                childName = (Array.isArray(desc) ? desc[0]?.cName : desc?.cName) || '';
+            } catch {}
+
+            let val = extractVariantValue(parentName, childName, childSku, parentSku);
+            if (usedValues.has(val.toLowerCase())) {
+                val = `${val} (${childSku})`;
+            }
+            usedValues.add(val.toLowerCase());
+
+            try {
+                if (parentAttrId) {
+                    await store.article.attachChild(googleAuthId, parentSku, {
+                        sku: childSku,
+                        value: val,
+                        reparent: true,
+                    });
+                    variantsLinked++;
+                } else {
+                    // Fallback to setParentBySku if toggleParent failed
+                    await store.article.setParentBySku(googleAuthId, childSku, parentSku);
+                    variantsLinked++;
+                }
+            } catch (err) {
+                console.warn(`[Import] Failed to attach child ${childSku} to parent ${parentSku}:`, err.message);
+            }
+
+            if (processedCount % 20 === 0 || processedCount === variantChildren.length) {
+                onProgress('variants', processedCount, variantChildren.length, `${childSku} -> ${parentSku}`);
+            }
         }
     }
     console.log(`[Import] Linked ${variantsLinked}/${variantChildren.length} variants`);