/**
 * Confirmation Modal Manager
 * Handles showing and hiding a Bootstrap modal for confirmations and prompts.
 */
class Confirmation {
    constructor(modalId) {
        this.modalElement = document.getElementById(modalId);
        this.modal = new bootstrap.Modal(this.modalElement);
        this.messageElement = this.modalElement.querySelector('#confirmationMessage');
        this.inputElement = this.modalElement.querySelector('#confirmationInput');
        this.confirmButton = this.modalElement.querySelector('#confirmButton');
        this.titleElement = this.modalElement.querySelector('.modal-title');
        this.currentResolver = null;
    }

    _show(message, title, showInput = false, defaultValue = '') {
        return new Promise((resolve) => {
            this.currentResolver = resolve;
            this.titleElement.textContent = title;
            this.messageElement.textContent = message;

            if (showInput) {
                this.inputElement.style.display = 'block';
                this.inputElement.value = defaultValue;
                this.inputElement.focus();
            } else {
                this.inputElement.style.display = 'none';
            }

            this.confirmButton.onclick = () => this._handleConfirm(showInput);
            this.modalElement.addEventListener('hidden.bs.modal', () => this._handleCancel(), { once: true });
            
            this.modal.show();
        });
    }

    _handleConfirm(isPrompt) {
        if (this.currentResolver) {
            const value = isPrompt ? this.inputElement.value : true;
            this.currentResolver(value);
            this._cleanup();
        }
    }

    _handleCancel() {
        if (this.currentResolver) {
            this.currentResolver(null); // Resolve with null for cancellation
            this._cleanup();
        }
    }

    _cleanup() {
        this.confirmButton.onclick = null;
        this.modal.hide();
        this.currentResolver = null;
    }

    confirm(message, title = 'Confirmation') {
        return this._show(message, title, false);
    }

    prompt(message, defaultValue = '', title = 'Prompt') {
        return this._show(message, title, true, defaultValue);
    }
}

// Make it globally available
window.ConfirmationManager = new Confirmation('confirmationModal');