class ToolDecider extends HTMLElement {
    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.shadowRoot.innerHTML = `
            <style>
                .container {
                    background: #1e293b;
                    border-radius: 1rem;
                    padding: 2rem;
                    border: 1px solid #334155;
                    display: flex;
                    flex-direction: column;
                    align-items: center;
                    min-height: 400px;
                    justify-content: center;
                    position: relative;
                    overflow: hidden;
                }
                .input-area {
                    width: 100%;
                    margin-bottom: 1.5rem;
                    text-align: center;
                    transition: opacity 0.3s;
                }
                label {
                    display: block;
                    margin-bottom: 0.5rem;
                    color: #cbd5e1;
                    font-size: 0.9rem;
                    font-weight: 500;
                }
                textarea {
                    width: 100%;
                    background: #0f172a;
                    border: 1px solid #334155;
                    border-radius: 0.5rem;
                    padding: 1rem;
                    color: white;
            resize: vertical;
                    min-height: 100px;
                    font-family: inherit;
                }
                textarea:focus {
                    outline: none;
                    border-color: #db2777; /* Pink-600 */
                }
                .action-btn {
                    background: linear-gradient(135deg, #db2777, #be185d);
                    color: white;
                    border: none;
                    padding: 0.75rem 2.5rem;
                    border-radius: 9999px;
                    font-size: 1.1rem;
                    font-weight: 700;
                    cursor: pointer;
                    box-shadow: 0 4px 20px rgba(219, 39, 119, 0.4);
                    transition: transform 0.2s, box-shadow 0.2s;
                }
                .action-btn:hover {
                    transform: translateY(-2px);
                    box-shadow: 0 6px 25px rgba(219, 39, 119, 0.5);
                }
                .action-btn:active {
                    transform: scale(0.98);
                }
                .result-area {
                    text-align: center;
                    opacity: 0;
                    transform: scale(0.9);
                    transition: all 0.4s ease-out;
                    position: absolute;
                    top: 50%;
                    left: 50%;
                    transform: translate(-50%, -50%) scale(0.9);
                    width: 80%;
                }
                .result-area.show {
                    opacity: 1;
                    transform: translate(-50%, -50%) scale(1);
                }
                .winner-text {
                    font-size: 2.5rem;
                    font-weight: 800;
                    background: linear-gradient(to right, #f472b6, #db2777);
                    -webkit-background-clip: text;
                    -webkit-text-fill-color: transparent;
                    margin-bottom: 1rem;
                    line-height: 1.2;
                }
                .reset-link {
                    color: #94a3b8;
                    text-decoration: underline;
                    cursor: pointer;
                    font-size: 0.9rem;
                }
                .reset-link:hover {
                    color: #fff;
                }
                .hint {
                    font-size: 0.8rem;
                    color: #64748b;
                    margin-top: 0.5rem;
                }
            </style>
            
            <div class="container">
                <div class="input-area" id="inputArea">
                    <label for="options">Enter options (separated by commas or new lines)</label>
                    <textarea id="options" placeholder="e.g. Pizza, Sushi, Salad&#10;Go to gym, Sleep, Work"></textarea>
                    <div class="hint">Analysis paralysis killer</div>
                    <br>
                    <button class="action-btn" id="decideBtn">Decide For Me</button>
                </div>

                <div class="result-area" id="resultArea">
                    <div style="font-size: 3rem; margin-bottom: 1rem;">🎲</div>
                    <div class="winner-text" id="winnerText">Result</div>
                    <div class="reset-link" id="resetLink">Start Over</div>
                </div>
            </div>
        `;

        this.inputArea = this.shadowRoot.getElementById('inputArea');
        this.resultArea = this.shadowRoot.getElementById('resultArea');
        this.textarea = this.shadowRoot.getElementById('options');
        this.decideBtn = this.shadowRoot.getElementById('decideBtn');
        this.resetLink = this.shadowRoot.getElementById('resetLink');
        this.winnerText = this.shadowRoot.getElementById('winnerText');

        this.decideBtn.addEventListener('click', () => this.decide());
        this.resetLink.addEventListener('click', () => this.reset());
    }

    decide() {
        const raw = this.textarea.value;
        // Split by comma or newline, filter empty
        const options = raw.split(/[\n,]+/).map(s => s.trim()).filter(s => s.length > 0);

        if (options.length < 2) {
            // Simple feedback
            this.textarea.style.borderColor = '#ef4444';
            setTimeout(() => {
                this.textarea.style.borderColor = '#334155';
            }, 1000);
            return;
        }

        // Simulate "thinking" or rolling
        this.decideBtn.textContent = 'Rolling...';
        this.decideBtn.disabled = true;

        let counter = 0;
        const maxRolls = 15;
        
        const interval = setInterval(() => {
            this.winnerText.textContent = options[Math.floor(Math.random() * options.length)];
            counter++;
            
            if (counter >= maxRolls) {
                clearInterval(interval);
                this.showResult(options);
            }
        }, 80);
    }

    showResult(options) {
        const winner = options[Math.floor(Math.random() * options.length)];
        this.winnerText.textContent = winner;
        
        this.inputArea.style.display = 'none';
        this.resultArea.classList.add('show');
    }

    reset() {
        this.resultArea.classList.remove('show');
        this.inputArea.style.display = 'block';
        this.decideBtn.textContent = 'Decide For Me';
        this.decideBtn.disabled = false;
        this.textarea.value = '';
        this.textarea.focus();
    }
}
customElements.define('tool-decider', ToolDecider);