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YuMi/E-P/Login/Models/EPLoginState.swift.backup

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+//
+//  EPLoginState.swift
+//  YuMi
+//
+//  Created by AI on 2025-01-27.
+//
+
+import Foundation
+
+/// 登录显示类型枚举
+enum EPLoginDisplayType {
+    case id              // ID + 密码
+    case email           // 邮箱 + 验证码
+    case phone           // 手机号 + 验证码
+    case emailReset      // 邮箱找回密码
+    case phoneReset      // 手机号找回密码
+}
+
+/// 登录状态验证器（Phase 2 实现）
+class EPLoginValidator {
+    
+    /// 密码强度验证：6-16位，必须包含字母+数字
+    func validatePassword(_ password: String) -> Bool {
+        guard password.count >= 6 && password.count <= 16 else { return false }
+        
+        let hasLetter = password.rangeOfCharacter(from: .letters) != nil
+        let hasDigit = password.rangeOfCharacter(from: .decimalDigits) != nil
+        
+        return hasLetter && hasDigit
+    }
+    
+    /// 邮箱格式验证
+    func validateEmail(_ email: String) -> Bool {
+        let emailRegex = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,}"
+        let emailPredicate = NSPredicate(format: "SELF MATCHES %@", emailRegex)
+        return emailPredicate.evaluate(with: email)
+    }
+    
+    /// 验证码格式验证（6位数字）
+    func validateCode(_ code: String) -> Bool {
+        guard code.count == 6 else { return false }
+        return code.allSatisfy { $0.isNumber }
+    }
+    
+    /// 手机号格式验证（简单验证）
+    func validatePhone(_ phone: String) -> Bool {
+        let phoneRegex = "^[0-9]{10,15}$"
+        let phonePredicate = NSPredicate(format: "SELF MATCHES %@", phoneRegex)
+        return phonePredicate.evaluate(with: phone)
+    }
+}
+