package com.demo.action;

import com.opensymphony.xwork2.ActionSupport;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

public class UserAction extends ActionSupport {

    private static final DateTimeFormatter TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");

    private String username;
    private String email;
    private String phone;
    private String submittedAt;
    private String profileStage;

    public String submit() {
        username = normalize(username);
        email = normalize(email);
        phone = normalize(phone);

        if (!isValid()) {
            return INPUT;
        }

        submittedAt = LocalDateTime.now().format(TIME_FORMATTER);
        profileStage = (phone != null && phone.length() >= 7) ? "Profile ready for follow-up demos." : "Profile captured. Add a stronger phone number next time.";
        return SUCCESS;
    }

    private boolean isValid() {
        boolean valid = true;
        if (username == null || username.length() < 3) {
            addFieldError("username", "Username must be at least 3 characters.");
            valid = false;
        }
        if (email == null || !email.contains("@")) {
            addFieldError("email", "Enter a valid email address.");
            valid = false;
        }
        if (phone == null || phone.replaceAll("[^0-9]", "").length() < 7) {
            addFieldError("phone", "Enter at least 7 digits for the phone number.");
            valid = false;
        }
        return valid;
    }

    private String normalize(String value) {
        return value == null ? null : value.trim();
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getPhone() {
        return phone;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }

    public String getSubmittedAt() {
        return submittedAt;
    }

    public String getProfileStage() {
        return profileStage;
    }
}