add support for fahipay login and view history

app/src/main/java/sh/sar/basedbank/util/AccountCache.kt

@@ -10,6 +10,7 @@ object AccountCache {
     private const val PREFS = "account_cache"
     private const val KEY_MIB = "mib_accounts"
     private const val KEY_BML = "bml_accounts"
+    private const val KEY_FAHIPAY = "fahipay_accounts"
 
     fun save(context: Context, accounts: List<MibAccount>) {
         val arr = JSONArray()
@@ -86,6 +87,56 @@ object AccountCache {
         } catch (e: Exception) { emptyList() }
     }
 
+    fun saveFahipay(context: Context, accounts: List<MibAccount>) {
+        val arr = JSONArray()
+        for (acc in accounts) {
+            arr.put(JSONObject().apply {
+                put("profileName", acc.profileName)
+                put("profileType", acc.profileType)
+                put("accountNumber", acc.accountNumber)
+                put("accountBriefName", acc.accountBriefName)
+                put("currencyName", acc.currencyName)
+                put("accountTypeName", acc.accountTypeName)
+                put("availableBalance", acc.availableBalance)
+                put("currentBalance", acc.currentBalance)
+                put("blockedAmount", acc.blockedAmount)
+                put("mvrBalance", acc.mvrBalance)
+                put("statusDesc", acc.statusDesc)
+                put("loginTag", acc.loginTag)
+                put("internalId", acc.internalId)
+            })
+        }
+        context.getSharedPreferences(PREFS, Context.MODE_PRIVATE)
+            .edit().putString(KEY_FAHIPAY, CacheEncryption.encrypt(arr.toString())).apply()
+    }
+
+    fun loadFahipay(context: Context): List<MibAccount> {
+        val raw = context.getSharedPreferences(PREFS, Context.MODE_PRIVATE)
+            .getString(KEY_FAHIPAY, null) ?: return emptyList()
+        return try {
+            val arr = JSONArray(CacheEncryption.decrypt(raw))
+            (0 until arr.length()).map { i ->
+                val o = arr.getJSONObject(i)
+                MibAccount(
+                    profileName = o.optString("profileName"),
+                    profileType = o.optString("profileType"),
+                    accountNumber = o.optString("accountNumber"),
+                    accountBriefName = o.optString("accountBriefName"),
+                    currencyName = o.optString("currencyName"),
+                    accountTypeName = o.optString("accountTypeName"),
+                    availableBalance = o.optString("availableBalance"),
+                    currentBalance = o.optString("currentBalance"),
+                    blockedAmount = o.optString("blockedAmount"),
+                    mvrBalance = o.optString("mvrBalance"),
+                    statusDesc = o.optString("statusDesc"),
+                    profileImageHash = null,
+                    loginTag = o.optString("loginTag"),
+                    internalId = o.optString("internalId", "")
+                )
+            }
+        } catch (_: Exception) { emptyList() }
+    }
+
     fun clear(context: Context) {
         context.getSharedPreferences(PREFS, Context.MODE_PRIVATE).edit().clear().apply()
     }

app/src/main/java/sh/sar/basedbank/util/CredentialStore.kt

@@ -19,11 +19,13 @@ class CredentialStore(context: Context) {
 
     data class MibCredentials(val username: String, val passwordHash: String, val otpSeed: String)
     data class BmlCredentials(val username: String, val password: String, val otpSeed: String)
+    data class FahipayCredentials(val idCard: String, val password: String)
 
     // ── MIB login credentials ─────────────────────────────────────────────────
 
     fun hasMibCredentials(): Boolean = prefs.contains("mib_enc_username")
     fun hasBmlCredentials(): Boolean = prefs.contains("bml_enc_username")
+    fun hasFahipayCredentials(): Boolean = prefs.contains("fahipay_enc_id_card")
 
     fun saveMibCredentials(username: String, passwordHash: String, otpSeed: String) {
         val key = getOrCreateKey()
@@ -144,6 +146,114 @@ class CredentialStore(context: Context) {
             .apply()
     }
 
+    // ── Fahipay login credentials ─────────────────────────────────────────────
+
+    fun saveFahipayCredentials(idCard: String, password: String) {
+        val key = getOrCreateKey()
+        prefs.edit()
+            .putString("fahipay_enc_id_card", encrypt(idCard, key))
+            .putString("fahipay_enc_password", encrypt(password, key))
+            .apply()
+    }
+
+    fun loadFahipayCredentials(): FahipayCredentials? {
+        val key = getOrCreateKey()
+        val encId = prefs.getString("fahipay_enc_id_card", null) ?: return null
+        val encPw = prefs.getString("fahipay_enc_password", null) ?: return null
+        return try {
+            FahipayCredentials(decrypt(encId, key), decrypt(encPw, key))
+        } catch (_: Exception) { null }
+    }
+
+    fun clearFahipayCredentials() {
+        prefs.edit()
+            .remove("fahipay_enc_id_card")
+            .remove("fahipay_enc_password")
+            .apply()
+    }
+
+    // ── Fahipay session (authId + __Secure-sess cookie) ───────────────────────
+
+    fun saveFahipaySession(authId: String, sessionCookie: String) {
+        val key = getOrCreateKey()
+        prefs.edit()
+            .putString("fahipay_enc_auth_id", encrypt(authId, key))
+            .putString("fahipay_enc_session_cookie", encrypt(sessionCookie, key))
+            .apply()
+    }
+
+    fun loadFahipaySession(): Pair<String, String>? {
+        val key = getOrCreateKey()
+        val encAuth = prefs.getString("fahipay_enc_auth_id", null) ?: return null
+        val encCookie = prefs.getString("fahipay_enc_session_cookie", null) ?: return null
+        return try {
+            Pair(decrypt(encAuth, key), decrypt(encCookie, key))
+        } catch (_: Exception) { null }
+    }
+
+    fun clearFahipaySession() {
+        prefs.edit()
+            .remove("fahipay_enc_auth_id")
+            .remove("fahipay_enc_session_cookie")
+            .apply()
+    }
+
+    // ── Fahipay device UUID (generated once, shared across all Fahipay accounts) ─
+
+    fun getOrCreateFahipayDeviceUuid(): String {
+        val key = getOrCreateKey()
+        val enc = prefs.getString("fahipay_enc_device_uuid", null)
+        if (enc != null) {
+            try { return decrypt(enc, key) } catch (_: Exception) {}
+        }
+        val uuid = sh.sar.basedbank.api.fahipay.FahipayLoginFlow.generateDeviceUuid()
+        prefs.edit().putString("fahipay_enc_device_uuid", encrypt(uuid, key)).apply()
+        return uuid
+    }
+
+    // ── Fahipay user profile ──────────────────────────────────────────────────
+
+    data class FahipayUserProfile(
+        val fullName: String,
+        val email: String,
+        val mobile: String,
+        val nid: String,
+        val profileId: String,
+        val walletAccount: String,
+        val linkedAccounts: String
+    )
+
+    fun saveFahipayUserProfile(p: FahipayUserProfile) {
+        val json = org.json.JSONObject().apply {
+            put("fullName", p.fullName)
+            put("email", p.email)
+            put("mobile", p.mobile)
+            put("nid", p.nid)
+            put("profileId", p.profileId)
+            put("walletAccount", p.walletAccount)
+            put("linkedAccounts", p.linkedAccounts)
+        }.toString()
+        val key = getOrCreateKey()
+        prefs.edit().putString("fahipay_enc_profile", encrypt(json, key)).apply()
+    }
+
+    fun loadFahipayUserProfile(): FahipayUserProfile? {
+        val key = getOrCreateKey()
+        val enc = prefs.getString("fahipay_enc_profile", null) ?: return null
+        return try {
+            val o = org.json.JSONObject(decrypt(enc, key))
+            FahipayUserProfile(
+                fullName = o.optString("fullName"),
+                email = o.optString("email"),
+                mobile = o.optString("mobile"),
+                nid = o.optString("nid"),
+                profileId = o.optString("profileId"),
+                walletAccount = o.optString("walletAccount"),
+                linkedAccounts = o.optString("linkedAccounts", "{}")
+            )
+        } catch (_: Exception) { null }
+    }
+
     // ── Security credential (PIN / pattern hash) ──────────────────────────────
 
     /**