diff --git a/modules/account.py b/modules/account.py
index a78d41c..93466f4 100644
--- a/modules/account.py
+++ b/modules/account.py
@@ -1,4 +1,136 @@
 # modules/account.py
 # พวกระบบบัญชี (ยังไม่ทำจริง แค่โครง)
-print("หี ควย แตด หน้าหี")
-#asdwqweqewqwe
\ No newline at end of file
+from logging import exception
+import datetime
+import random
+import file_handler
+from modules.file_handler import read_transaction_file
+
+#randomตัวเลขธุรกรรม
+def transaction_id_generator():
+    x = random.randint(100000000000000000,999999999999999999)
+    return str(x)
+
+#ฝากเงิน
+def add_transaction_deposit(account_number,amount):
+    plus_num = 0
+    dep = file_handler.read_transaction_file(account_number)
+    lol = len(dep)
+    for i in range(lol):
+        acc_num = dep[i].split(",")[3]
+        new_balance = dep[i].split(",")[4]
+        Deletepoint = acc_num.find(".")
+        Deletepoint1 = new_balance.find(".")
+        cut = acc_num[:Deletepoint]
+        cut1 = new_balance[:Deletepoint1]
+        if i == lol - 1:
+            decimal = float(cut)
+            decimal1 = float(cut1)
+            plus_num += decimal1
+            print(plus_num)
+            print(cut,cut1)
+    timestamps = datetime.datetime.now().isoformat()
+    file_handler.append_transaction_log_file(
+        account_number=account_number,
+        transaction_id=transaction_id_generator(),
+        timestamp=timestamps[0:19],
+        type_i="deposit",
+        amount=amount,
+        balance= amount+plus_num,
+        target="")
+
+#เซ็คเลขบัญชีว่ามีอยู่จริงมั้ย
+def add_transaction_firstdeposit(account_number,amount):
+    checkfile = False
+    check = False
+    num_acc = file_handler.read_accounts_file()
+    for i in range(len(num_acc)):
+        acc_num = num_acc[i].split(",")[3]
+        if acc_num == account_number :
+            check = True
+            print(acc_num)
+            break
+
+    try:
+        file_handler.read_transaction_file(account_number)
+    except:
+        checkfile = True
+    if check == True and checkfile == True:
+        timestamps = datetime.datetime.now().isoformat()
+        file_handler.append_transaction_log_file(
+            account_number=account_number,
+            transaction_id=transaction_id_generator(),
+            timestamp=timestamps[0:19],
+            type_i="deposit",
+            amount=amount,
+            balance=amount,
+            target="")
+        return {"status":"success","msg":"มันไม่มีบัญชี"}
+    else:
+        return {"status":"error","msg":"มันไม่มีบัญชี"}
+
+#ถอนเงิน
+def add_transaction_withdrawal(account_number,amount):
+    plus_num = 0
+    dep = file_handler.read_transaction_file(account_number)
+    lol = len(dep)
+    for i in range(lol):
+        acc_num = dep[i].split(",")[3]
+        new_balance = dep[i].split(",")[4]
+        Deletepoint = acc_num.find(".")
+        Deletepoint1 = new_balance.find(".")
+        cut = acc_num[:Deletepoint]
+        cut1 = new_balance[:Deletepoint1]
+        if i == lol - 1:
+            decimal = float(cut)
+            decimal1 = float(cut1)
+            plus_num -= decimal1
+    timestamps = datetime.datetime.now().isoformat()
+    file_handler.append_transaction_log_file(
+        account_number=account_number,
+        transaction_id=transaction_id_generator(),
+        timestamp=timestamps[0:19],
+        type_i="withdrawal",
+        amount=amount,
+        balance= amount-plus_num,
+        target="")
+
+#เซ็กยอดเงิน
+def check_balance(account_number):
+    dep = file_handler.read_transaction_file(account_number)
+    lol = len(dep)
+    for i in range(lol):
+        acc_num = dep[i].split(",")[4]
+        if i == lol - 1:
+            return acc_num
+
+#โอนเงิน
+def add_transaction_transfer(account_number,account_numberv2,amount):
+    plus_num = 0
+    dep = file_handler.read_transaction_file(account_number)
+    lol = len(dep)
+    for i in range(lol):
+        acc_num = dep[i].split(",")[3]
+        new_balance = dep[i].split(",")[4]
+        Deletepoint = acc_num.find(".")
+        Deletepoint1 = new_balance.find(".")
+        cut = acc_num[:Deletepoint]
+        cut1 = new_balance[:Deletepoint1]
+        if i == lol - 1:
+            decimal = float(cut)
+            decimal1 = float(cut1)
+            plus_num -= decimal1
+    timestamps = datetime.datetime.now().isoformat()
+    file_handler.append_transaction_log_file(
+        account_number=account_number,
+        transaction_id=transaction_id_generator(),
+        timestamp=timestamps[0:19],
+        type_i="transfer",
+        amount=amount,
+        balance= amount-plus_num,
+        target=account_numberv2
+    )
+    add_transaction_firstdeposit(account_numberv2,abs(amount))
+    if len(file_handler.read_transaction_file(account_numberv2))>= 2:
+        add_transaction_deposit(account_numberv2, abs(amount))
+#asdwqweqewqwe