/**
 * TxaModal - Premium Modal System
 * Migration: TPHIMX V2 (Vite Compatible)
 */

export class TxaModal {
    constructor() {
        this.containerCreated = false;
        this.container = null;
        this.overlay = null;
        this.modal = null;
    }

    createContainer() {
        if (this.containerCreated && document.getElementById('txamodal-container')) {
            this.container = document.getElementById('txamodal-container');
            this.overlay = document.getElementById('txamodal-overlay');
            this.modal = document.getElementById('txamodal-content');
            return true;
        }

        const container = document.createElement('div');
        container.id = 'txamodal-container';
        container.style.cssText = `position: fixed; top: 0; left: 0; width: 100%; height: 100%; display: none; align-items: center; justify-content: center; z-index: 2147483640; padding: 20px;`;

        const overlay = document.createElement('div');
        overlay.id = 'txamodal-overlay';
        overlay.style.cssText = `position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(10, 15, 25, 0.7); backdrop-filter: blur(12px); opacity: 0; transition: opacity 0.3s ease;`;

        const modal = document.createElement('div');
        modal.id = 'txamodal-content';
        modal.style.cssText = `position: relative; background: rgba(30, 41, 59, 0.7); backdrop-filter: blur(24px); width: 100%; max-width: 500px; border-radius: 28px; border: 1px solid rgba(255, 255, 255, 0.1); box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8); transform: scale(0.9) translateY(30px); opacity: 0; transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1); overflow: hidden; display: flex; flex-direction: column;`;

        container.appendChild(overlay);
        container.appendChild(modal);
        document.body.appendChild(container);

        this.container = container;
        this.overlay = overlay;
        this.modal = modal;
        this.containerCreated = true;
        return true;
    }

    show({ title, message, type = 'info', confirmText = 'Xác nhận', cancelText = 'Hủy', onConfirm = null, onCancel = null, input = null, inputPlaceholder = '', inputType = 'text' }) {
        if (!this.createContainer()) return;

        let icon = '<i class="fas fa-info-circle text-indigo-500"></i>';
        let btnConfirmStyle = 'background: linear-gradient(135deg, #6366f1, #a855f7); color: #fff;';

        if (type === 'danger') {
            icon = '<i class="fas fa-exclamation-triangle text-red-500"></i>';
            btnConfirmStyle = 'background: #ef4444; color: #fff;';
        } else if (type === 'warning') {
            icon = '<i class="fas fa-exclamation-circle text-amber-500"></i>';
            btnConfirmStyle = 'background: linear-gradient(135deg, #f59e0b, #ea580c); color: #fff;';
        } else if (type === 'success') {
            icon = '<i class="fas fa-check-circle text-emerald-500"></i>';
            btnConfirmStyle = 'background: #10b981; color: #fff;';
        }

        let inputHtml = '';
        if (input) {
            inputHtml = `
                <div style="margin-top: 24px;">
                    <input id="txamodal-input" type="${inputType}" placeholder="${inputPlaceholder}" 
                           style="width: 100%; background: rgba(0,0,0,0.4); border: 1px solid rgba(255,255,255,0.1); padding: 14px 20px; border-radius: 16px; color: #fff; outline: none; font-family: inherit;">
                </div>
            `;
        }

        this.modal.innerHTML = `
            <div style="padding: 40px 30px; text-align: center;">
                <div style="font-size: 64px; margin-bottom: 24px;">${icon}</div>
                <h3 style="margin: 0 0 16px 0; font-size: 24px; font-weight: 800; color: #fff;">${title}</h3>
                <div style="color: #94a3b8; line-height: 1.6;">${message}</div>
                ${inputHtml}
            </div>
            <div style="padding: 24px 30px; background: rgba(0, 0, 0, 0.3); display: flex; gap: 12px;">
                <button id="txamodal-cancel" style="flex: 1; padding: 14px; border-radius: 16px; border: 1px solid rgba(255, 255, 255, 0.1); background: rgba(255, 255, 255, 0.05); color: #94a3b8; font-weight: 600; cursor: pointer; transition: all 0.2s;">${cancelText}</button>
                <button id="txamodal-confirm" style="flex: 1; padding: 14px; border-radius: 16px; border: none; ${btnConfirmStyle} font-weight: 700; cursor: pointer; transition: all 0.2s; box-shadow: 0 4px 15px rgba(0,0,0,0.3);">${confirmText}</button>
            </div>
        `;

        this.container.style.display = 'flex';
        setTimeout(() => {
            this.overlay.style.opacity = '1';
            this.modal.style.opacity = '1';
            this.modal.style.transform = 'scale(1) translateY(0)';
            if (input) document.getElementById('txamodal-input').focus();
        }, 10);

        document.getElementById('txamodal-confirm').onclick = async () => {
            let result = true;
            if (input) {
                const val = document.getElementById('txamodal-input').value;
                if (onConfirm) result = await onConfirm(val);
            } else {
                if (onConfirm) result = await onConfirm();
            }
            if (result !== false) this.hide();
        };
        document.getElementById('txamodal-cancel').onclick = () => {
            if (typeof onCancel === 'function') {
                try { onCancel(); } catch (_) { /* noop */ }
            }
            this.hide();
        };
    }

    hide() {
        if (!this.container) return;
        this.overlay.style.opacity = '0';
        this.modal.style.opacity = '0';
        this.modal.style.transform = 'scale(0.95) translateY(20px)';
        setTimeout(() => { this.container.style.display = 'none'; }, 400);
    }
}

window.txamodal = new TxaModal();