import { LightningElement, track } from "lwc";
import { ShowToastEvent } from "lightning/platformShowToastEvent";

/**
 * Account Quick Create (Standalone Inputs)
 * - Standalone lightning-input fields for First Name, Last Name, and Email
 * - No LDS save; exposes values and basic validation
 */
export default class AccountQuickCreate extends LightningElement {
  @track message;
  @track firstName = "";
  @track lastName = "";
  @track email = "";

  get isContinueDisabled() {
    // Require Last Name per standard person-name requirements; email optional here
    return !this.lastName;
  }

  handleInputChange(event) {
    const { name, value } = event.target;
    if (name === "firstName") {
      this.firstName = value;
    } else if (name === "lastName") {
      this.lastName = value;
    } else if (name === "email") {
      this.email = value;
    }
    this.message = undefined;
  }

  handleContinue() {
    // Basic validation: enforce Last Name
    if (!this.lastName) {
      this.dispatchEvent(
        new ShowToastEvent({
          title: "Validation",
          message: "Last Name is required.",
          variant: "warning"
        })
      );
      return;
    }

    // Email validation
    if (this.email && !this.isValidEmail(this.email)) {
      this.dispatchEvent(
        new ShowToastEvent({
          title: "Validation",
          message: "Please enter a valid email address.",
          variant: "warning"
        })
      );
      return;
    }

    // Example: expose collected values (could dispatch custom event to parent)
    const detail = {
      firstName: this.firstName?.trim(),
      lastName: this.lastName?.trim(),
      email: this.email?.trim()
    };

    this.dispatchEvent(
      new CustomEvent("contactinput", {
        detail,
        bubbles: true,
        composed: true
      })
    );

    this.message = `Captured input - First: ${detail.firstName || ""}, Last: ${detail.lastName}, Email: ${detail.email || ""}`;
  }

  isValidEmail(email) {
    const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
    return emailRegex.test(email);
  }
}