feat: Add TheTable form element

legalconsenthub-backend/src/main/kotlin/com/betriebsratkanzlei/legalconsenthub/application_form/ApplicationFormFormatService.kt

@@ -11,6 +11,8 @@ import com.betriebsratkanzlei.legalconsenthub_api.model.ApplicationFormSnapshotD
 import com.betriebsratkanzlei.legalconsenthub_api.model.FormElementSectionSnapshotDto
 import com.betriebsratkanzlei.legalconsenthub_api.model.FormElementSnapshotDto
 import com.betriebsratkanzlei.legalconsenthub_api.model.FormElementSubSectionSnapshotDto
+import com.fasterxml.jackson.core.type.TypeReference
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import org.springframework.stereotype.Service
 import org.thymeleaf.TemplateEngine
 import org.thymeleaf.context.Context
@@ -126,9 +128,53 @@ class ApplicationFormFormatService(
             "SWITCH" -> {
                 if (element.options.any { it.value == "true" }) "Ja" else "Nein"
             }
+            "TABLE" -> {
+                renderTableValue(element)
+            }
             else -> "Keine Auswahl getroffen"
         }
 
+    private fun renderTableValue(element: FormElementSnapshotDto): String {
+        if (element.options.isEmpty()) return "Keine Daten"
+
+        val objectMapper = jacksonObjectMapper()
+        val headers = element.options.map { LatexEscaper.escape(it.label ?: "") }
+        val columnData =
+            element.options.map { option ->
+                try {
+                    val typeRef = object : TypeReference<List<String>>() {}
+                    objectMapper.readValue(option.value ?: "[]", typeRef)
+                } catch (e: Exception) {
+                    emptyList<String>()
+                }
+            }
+
+        val rowCount = columnData.maxOfOrNull { col -> col.size } ?: 0
+        if (rowCount == 0) return "Keine Daten"
+
+        val columnSpec = headers.joinToString(" | ") { "l" }
+        val headerRow = headers.joinToString(" & ")
+        val dataRows =
+            (0 until rowCount).map { rowIndex ->
+                columnData.joinToString(" & ") { col: List<String> ->
+                    val value = col.getOrNull(rowIndex) ?: ""
+                    if (value.isBlank()) "-" else LatexEscaper.escape(value)
+                }
+            }
+
+        return buildString {
+            appendLine("\\begin{tabular}{$columnSpec}")
+            appendLine("\\hline")
+            appendLine("$headerRow \\\\")
+            appendLine("\\hline")
+            dataRows.forEach { row: String ->
+                appendLine("$row \\\\")
+            }
+            appendLine("\\hline")
+            appendLine("\\end{tabular}")
+        }
+    }
+
     private fun filterVisibleElements(snapshot: ApplicationFormSnapshotDto): ApplicationFormSnapshotDto {
         val allElements = collectAllFormElements(snapshot)
         val formElementsByRef = buildSnapshotFormElementsByRefMap(allElements)