try orc on faliled attempt

src/main/kotlin/com/android/trisolarisserver/component/AadhaarUtils.kt

@@ -0,0 +1,40 @@
+package com.android.trisolarisserver.component
+
+internal fun formatAadhaar(value: String): String {
+    if (value.length != 12) return value
+    return value.chunked(4).joinToString(" ")
+}
+
+internal fun isValidAadhaar(value: String): Boolean {
+    if (value.length != 12 || !value.all { it.isDigit() }) return false
+    var c = 0
+    val reversed = value.reversed()
+    for (i in reversed.indices) {
+        val digit = reversed[i].digitToInt()
+        c = aadhaarMultiplication[c][aadhaarPermutation[i % 8][digit]]
+    }
+    return c == 0
+}
+
+private val aadhaarMultiplication = arrayOf(
+    intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9),
+    intArrayOf(1, 2, 3, 4, 0, 6, 7, 8, 9, 5),
+    intArrayOf(2, 3, 4, 0, 1, 7, 8, 9, 5, 6),
+    intArrayOf(3, 4, 0, 1, 2, 8, 9, 5, 6, 7),
+    intArrayOf(4, 0, 1, 2, 3, 9, 5, 6, 7, 8),
+    intArrayOf(5, 9, 8, 7, 6, 0, 4, 3, 2, 1),
+    intArrayOf(6, 5, 9, 8, 7, 1, 0, 4, 3, 2),
+    intArrayOf(7, 6, 5, 9, 8, 2, 1, 0, 4, 3),
+    intArrayOf(8, 7, 6, 5, 9, 3, 2, 1, 0, 4),
+    intArrayOf(9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
+)
+private val aadhaarPermutation = arrayOf(
+    intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9),
+    intArrayOf(1, 5, 7, 6, 2, 8, 3, 0, 9, 4),
+    intArrayOf(5, 8, 0, 3, 7, 9, 6, 1, 4, 2),
+    intArrayOf(8, 9, 1, 6, 0, 4, 3, 5, 2, 7),
+    intArrayOf(9, 4, 5, 3, 1, 2, 6, 8, 7, 0),
+    intArrayOf(4, 2, 8, 6, 5, 7, 3, 9, 0, 1),
+    intArrayOf(2, 7, 9, 3, 8, 0, 6, 4, 1, 5),
+    intArrayOf(7, 0, 4, 6, 9, 1, 3, 2, 5, 8)
+)

src/main/kotlin/com/android/trisolarisserver/component/DocumentExtractionService.kt

@@ -15,7 +15,8 @@ class DocumentExtractionService(
     private val llamaClient: LlamaClient,
     private val guestRepo: GuestRepo,
     private val guestVehicleRepo: GuestVehicleRepo,
-    private val propertyRepo: PropertyRepo
+    private val propertyRepo: PropertyRepo,
+    private val paddleOcrClient: PaddleOcrClient
 ) {
     private val logger = LoggerFactory.getLogger(DocumentExtractionService::class.java)
 
@@ -295,6 +296,26 @@ class DocumentExtractionService(
             results[key] = formatAadhaar(retryNormalized)
             return
         }
+        val ocrResult = paddleOcrClient.extract(document.storagePath)
+        if (ocrResult != null) {
+            val ocrCandidate = ocrResult.aadhaar
+            if (ocrCandidate != null && isValidAadhaar(ocrCandidate.replace(" ", ""))) {
+                results[key] = ocrCandidate
+                return
+            }
+            if (ocrResult.texts.isNotEmpty()) {
+                val ocrText = ocrResult.texts.joinToString("\n")
+                val ocrAsk = llamaClient.askText(
+                    ocrText,
+                    "AADHAAR NUMBER (12 digits). Reply ONLY the 12 digits or NONE."
+                )
+                val ocrAskNormalized = normalizeDigits(cleanedValue(ocrAsk))
+                if (ocrAskNormalized != null && isValidAadhaar(ocrAskNormalized)) {
+                    results[key] = formatAadhaar(ocrAskNormalized)
+                    return
+                }
+            }
+        }
 
         logger.warn("Aadhaar retry failed; setting idNumber=NONE")
         results[key] = "NONE"
@@ -371,29 +392,6 @@ private fun cleanedValue(value: String?): String? {
 private val standardPlateRegex = Regex("^[A-Z]{2}\\d{1,2}[A-Z]{1,3}\\d{3,4}$")
 private val bhPlateRegex = Regex("^\\d{2}BH\\d{4}[A-Z]{1,2}$")
 private val pinCodeRegex = Regex("\\b\\d{6}\\b")
-private val aadhaarMultiplication = arrayOf(
-    intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9),
-    intArrayOf(1, 2, 3, 4, 0, 6, 7, 8, 9, 5),
-    intArrayOf(2, 3, 4, 0, 1, 7, 8, 9, 5, 6),
-    intArrayOf(3, 4, 0, 1, 2, 8, 9, 5, 6, 7),
-    intArrayOf(4, 0, 1, 2, 3, 9, 5, 6, 7, 8),
-    intArrayOf(5, 9, 8, 7, 6, 0, 4, 3, 2, 1),
-    intArrayOf(6, 5, 9, 8, 7, 1, 0, 4, 3, 2),
-    intArrayOf(7, 6, 5, 9, 8, 2, 1, 0, 4, 3),
-    intArrayOf(8, 7, 6, 5, 9, 3, 2, 1, 0, 4),
-    intArrayOf(9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
-)
-private val aadhaarPermutation = arrayOf(
-    intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9),
-    intArrayOf(1, 5, 7, 6, 2, 8, 3, 0, 9, 4),
-    intArrayOf(5, 8, 0, 3, 7, 9, 6, 1, 4, 2),
-    intArrayOf(8, 9, 1, 6, 0, 4, 3, 5, 2, 7),
-    intArrayOf(9, 4, 5, 3, 1, 2, 6, 8, 7, 0),
-    intArrayOf(4, 2, 8, 6, 5, 7, 3, 9, 0, 1),
-    intArrayOf(2, 7, 9, 3, 8, 0, 6, 4, 1, 5),
-    intArrayOf(7, 0, 4, 6, 9, 1, 3, 2, 5, 8)
-)
-
 private fun extractPinFromValue(value: String?): String? {
     if (value.isNullOrBlank()) return null
     val compact = value.replace(Regex("\\s+"), "")
@@ -413,21 +411,5 @@ private fun extractPinFromAddress(value: String?): String? {
 private fun normalizeDigits(value: String?): String? {
     if (value.isNullOrBlank()) return null
     val digits = value.filter { it.isDigit() }
-    return if (digits.isBlank()) null else digits
-}
-
-private fun formatAadhaar(value: String): String {
-    if (value.length != 12) return value
-    return value.chunked(4).joinToString(" ")
-}
-
-private fun isValidAadhaar(value: String): Boolean {
-    if (value.length != 12 || !value.all { it.isDigit() }) return false
-    var c = 0
-    val reversed = value.reversed()
-    for (i in reversed.indices) {
-        val digit = reversed[i].digitToInt()
-        c = aadhaarMultiplication[c][aadhaarPermutation[i % 8][digit]]
-    }
-    return c == 0
+    return digits.ifBlank { null }
 }

src/main/kotlin/com/android/trisolarisserver/component/PaddleOcrClient.kt

@@ -0,0 +1,97 @@
+package com.android.trisolarisserver.component
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import org.slf4j.LoggerFactory
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.core.io.FileSystemResource
+import org.springframework.http.HttpEntity
+import org.springframework.http.HttpHeaders
+import org.springframework.http.MediaType
+import org.springframework.stereotype.Component
+import org.springframework.util.LinkedMultiValueMap
+import org.springframework.web.client.RestTemplate
+import java.nio.file.Files
+import java.nio.file.Path
+
+@Component
+class PaddleOcrClient(
+    private val restTemplate: RestTemplate,
+    private val objectMapper: ObjectMapper,
+    @Value("\${ocr.paddle.enabled:false}")
+    private val enabled: Boolean,
+    @Value("\${ocr.paddle.baseUrl:https://ocr.hoteltrisolaris.in}")
+    private val baseUrl: String,
+    @Value("\${ocr.paddle.minScore:0.9}")
+    private val minScore: Double
+) {
+    private val logger = LoggerFactory.getLogger(PaddleOcrClient::class.java)
+
+    fun extract(filePath: String): PaddleOcrResult? {
+        if (!enabled) return null
+        val path = Path.of(filePath)
+        if (!Files.exists(path)) return null
+
+        return try {
+            val output = callOcr(path)
+            val filtered = filterByScore(output.texts, output.scores, minScore)
+            val aadhaar = extractAadhaar(filtered)
+            PaddleOcrResult(filtered, aadhaar)
+        } catch (ex: Exception) {
+            logger.warn("PaddleOCR failed: {}", ex.message)
+            null
+        }
+    }
+
+    private fun callOcr(path: Path): OcrPayload {
+        val headers = HttpHeaders()
+        headers.contentType = MediaType.MULTIPART_FORM_DATA
+        val body = LinkedMultiValueMap<String, Any>().apply {
+            add("file", FileSystemResource(path.toFile()))
+        }
+        val entity = HttpEntity(body, headers)
+        val response = restTemplate.postForEntity(baseUrl, entity, String::class.java)
+        val raw = response.body ?: return OcrPayload(emptyList(), emptyList())
+        val node = objectMapper.readTree(raw)
+        val texts = node.path("texts")
+        val scores = node.path("scores")
+        if (!texts.isArray) return OcrPayload(emptyList(), emptyList())
+        val parsedTexts = texts.mapNotNull { it.asText(null) }
+        val parsedScores = if (scores.isArray) {
+            scores.mapNotNull { if (it.isNumber) it.asDouble() else null }
+        } else {
+            emptyList()
+        }
+        return OcrPayload(parsedTexts, parsedScores)
+    }
+
+    private fun filterByScore(texts: List<String>, scores: List<Double>, min: Double): List<String> {
+        if (scores.size != texts.size || scores.isEmpty()) return texts
+        return texts.mapIndexedNotNull { index, text ->
+            if (scores[index] >= min) text else null
+        }
+    }
+
+    private fun extractAadhaar(texts: List<String>): String? {
+        val joined = texts.joinToString(" ")
+        val candidates = mutableListOf<String>()
+        val regex = Regex("\\b(?:\\d[\\s-]?){12}\\b")
+        regex.findAll(joined).forEach { match ->
+            val digits = match.value.filter { it.isDigit() }
+            if (digits.length == 12) {
+                candidates.add(digits)
+            }
+        }
+        val valid = candidates.firstOrNull { isValidAadhaar(it) } ?: return null
+        return formatAadhaar(valid)
+    }
+}
+
+data class PaddleOcrResult(
+    val texts: List<String>,
+    val aadhaar: String?
+)
+
+private data class OcrPayload(
+    val texts: List<String>,
+    val scores: List<Double>
+)

src/main/resources/application-dev.properties

@@ -1,2 +1,3 @@
 spring.datasource.url=jdbc:postgresql://192.168.1.53:5432/trisolaris
 ai.llama.baseUrl=https://ai.hoteltrisolaris.in/v1/chat/completions
+ocr.paddle.baseUrl=https://ocr.hoteltrisolaris.in/

src/main/resources/application-prod.properties

@@ -2,3 +2,4 @@ spring.datasource.url=jdbc:postgresql://localhost:5432/trisolaris
 ai.llama.baseUrl=http://localhost:8089/v1/chat/completions
 logging.level.com.android.trisolarisserver.controller.Auth=INFO
 storage.documents.aiBaseUrl=http://127.0.0.1:18921
+ocr.paddle.baseUrl=http://127.0.0.1/

src/main/resources/application.properties

@@ -28,3 +28,5 @@ ai.llama.topP=0.8
 ai.llama.minP=0.2
 ai.llama.repeatPenalty=1.0
 ai.llama.topK=40
+ocr.paddle.enabled=true
+ocr.paddle.minScore=0.9