feat: integrate Drizzle ORM and SQLite for authentication

server/api/register.post.ts

@@ -1,21 +1,43 @@
 import { defineEventHandler, readBody, setResponseStatus } from 'h3';
+import { db, customers } from '~/server/db';
+import bcrypt from 'bcryptjs';
 
 export default defineEventHandler(async (event) => {
   const body = await readBody(event);
-
   const { name, gender, contact, idCard, password } = body;
 
   if (!name || !gender || !contact || !idCard || !password) {
     setResponseStatus(event, 400);
-    return {
-      message: '请填写完整信息',
-    };
+    return { message: '请填写完整信息' };
   }
 
-  // TODO: Add database logic to save the user
-  console.log('Registering new user:', { name, gender, contact, idCard });
+  try {
+    const hashedPassword = bcrypt.hashSync(password, 10);
 
-  return {
-    message: '注册成功！',
-  };
+    await db.insert(customers).values({
+      name,
+      gender,
+      contact,
+      idCard,
+      password: hashedPassword,
+    });
+
+    return { message: '注册成功！' };
+
+  } catch (error: any) {
+    // Check for unique constraint violation
+    if (error.message?.includes('UNIQUE constraint failed')) {
+      setResponseStatus(event, 409); // Conflict
+      if (error.message.includes('customers.contact')) {
+        return { message: '该手机号已被注册' };
+      }
+      if (error.message.includes('customers.id_card')) {
+        return { message: '该身份证号已被注册' };
+      }
+    }
+
+    console.error('Registration error:', error);
+    setResponseStatus(event, 500);
+    return { message: '注册失败，请稍后重试' };
+  }
 });