/**
 * Invoice Ninja (https://invoiceninja.com)
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license 
 */

class AuthorizeACH {
    constructor(publicKey, loginId) {
        this.form = document.getElementById('server_response');
        this.submitButton = document.getElementById('card_button');
        this.errorDiv = document.getElementById('errors');
        this.publicKey = publicKey;
        this.loginId = loginId;
        // Input fields
        this.accountHolderName = document.getElementById('account_holder_name');
        this.routingNumber = document.getElementById('routing_number');
        this.accountNumber = document.getElementById('account_number');
        this.acceptTerms = document.getElementById('accept-terms');

        // Validation state
        this.isValid = {
            accountHolderName: false,
            routingNumber: false,
            accountNumber: false,
            acceptTerms: false
        };

        this.setupEventListeners();
        this.updateSubmitButton(); // Initial state
    }

    setupEventListeners() {
        // Monitor account holder name
        this.accountHolderName.addEventListener('input', () => {
            this.validateAccountHolderName();
            this.updateSubmitButton();
        });

        // Monitor routing number
        this.routingNumber.addEventListener('input', () => {
            this.validateRoutingNumber();
            this.updateSubmitButton();
        });

        // Monitor account number
        this.accountNumber.addEventListener('input', () => {
            this.validateAccountNumber();
            this.updateSubmitButton();
        });

        this.acceptTerms.addEventListener('change', () => {
            this.validateAcceptTerms();
            this.updateSubmitButton();
        });

        // Submit button handler
        this.submitButton.addEventListener('click', (e) => {
            e.preventDefault();
            if (this.isFormValid()) {
                this.handleSubmit();
            }
        });
    }

    validateAcceptTerms() {
        this.isValid.acceptTerms = this.acceptTerms.checked;
        if (!this.isValid.acceptTerms) {
            this.acceptTerms.classList.add('border-red-500');
        } else {
            this.acceptTerms.classList.remove('border-red-500');
        }
    }
    
    validateAccountHolderName() {
        const name = this.accountHolderName.value.trim();
        this.isValid.accountHolderName = name.length > 0 && name.length <= 22;
        
        if (!this.isValid.accountHolderName) {
            this.accountHolderName.classList.add('border-red-500');
        } else {
            this.accountHolderName.classList.remove('border-red-500');
        }
    }

    validateRoutingNumber() {
        const routing = this.routingNumber.value.replace(/\D/g, '');
        this.isValid.routingNumber = routing.length === 9;
        
        if (!this.isValid.routingNumber) {
            this.routingNumber.classList.add('border-red-500');
        } else {
            this.routingNumber.classList.remove('border-red-500');
        }
    }

    validateAccountNumber() {
        const account = this.accountNumber.value.replace(/\D/g, '');
        this.isValid.accountNumber = account.length >= 1 && account.length <= 17;
        
        if (!this.isValid.accountNumber) {
            this.accountNumber.classList.add('border-red-500');
        } else {
            this.accountNumber.classList.remove('border-red-500');
        }
    }

    isFormValid() {
        return Object.values(this.isValid).every(Boolean);
    }

    updateSubmitButton() {
        const isValid = this.isFormValid();
        this.submitButton.disabled = !isValid;
        
        // Visual feedback
        if (isValid) {
            this.submitButton.classList.remove('opacity-50', 'cursor-not-allowed');
            this.submitButton.classList.add('hover:bg-primary-dark');
        } else {
            this.submitButton.classList.add('opacity-50', 'cursor-not-allowed');
            this.submitButton.classList.remove('hover:bg-primary-dark');
        }
    }

    handleSubmit() {
        if (!this.isFormValid()) {
            return;
        }

        // Disable the submit button and show loading state
        this.submitButton.disabled = true;
        this.submitButton.querySelector('svg')?.classList.remove('hidden');
        this.submitButton.querySelector('span')?.classList.add('hidden');

        // Get the selected account type
        const accountType = document.querySelector('input[name="account_type"]:checked').value ?? 'checking';

        var authData = {};
        authData.clientKey = this.publicKey;
        authData.apiLoginID = this.loginId;

        // Prepare the data for Authorize.net
        var bankData = {};
        bankData.accountType = accountType;
        bankData.routingNumber = this.routingNumber.value;
        bankData.accountNumber = this.accountNumber.value;
        bankData.nameOnAccount = this.accountHolderName.value;
        
        var secureData = {};
        secureData.authData = authData;
        secureData.bankData = bankData;

        // Initialize Accept.js
        Accept.dispatchData(secureData, this.handleResponse.bind(this));
    }

    handleResponse(response) {
        if (response.messages.resultCode === 'Error') {
            let errorMessage = '';
            for (let i = 0; i < response.messages.message.length; i++) {
                errorMessage += `${response.messages.message[i].code}: ${response.messages.message[i].text}\n`;
            }
            
            this.errorDiv.textContent = errorMessage;
            this.errorDiv.hidden = false;
            
            // Re-enable the submit button
            this.submitButton.disabled = false;
            this.submitButton.querySelector('svg')?.classList.add('hidden');
            this.submitButton.querySelector('span')?.classList.remove('hidden');
            
            return;
        }

        // On success, update the hidden form fields
        document.getElementById('dataDescriptor').value = response.opaqueData.dataDescriptor;
        document.getElementById('dataValue').value = response.opaqueData.dataValue;
        
        // Submit the form
        this.form.submit();
    }
}

const publicKey = document.querySelector(
    'meta[name="authorize-public-key"]'
).content;

const loginId = document.querySelector(
    'meta[name="authorize-login-id"]'
).content;

// Initialize when the DOM is ready
document.addEventListener('DOMContentLoaded', () => {
    new AuthorizeACH(publicKey, loginId);
});