class LootBoxCarousel extends HTMLElement {
    constructor() {
        super();
        this.boxes = [
            { rarity: 'common', value: 5, color: 'green' },
            { rarity: 'common', value: 5, color: 'green' },
            { rarity: 'common', value: 10, color: 'green' },
            { rarity: 'rare', value: 15, color: 'blue' },
            { rarity: 'rare', value: 20, color: 'blue' },
            { rarity: 'epic', value: 30, color: 'purple' },
            { rarity: 'legendary', value: 50, color: 'gold' },
            { rarity: 'epic', value: 25, color: 'purple' },
            { rarity: 'rare', value: 15, color: 'blue' },
            { rarity: 'common', value: 10, color: 'green' }
        ];
        this.selectedIndex = 0;
    }

    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.render();
    }

    render() {
        this.shadowRoot.innerHTML = `
            <style>
                :host {
                    display: block;
                    width: 100%;
                    position: relative;
                    height: 180px;
                    margin-bottom: 20px;
                }
                
                .track {
                    position: relative;
                    height: 100%;
                    background: rgba(20, 20, 20, 0.5);
                    border-radius: 8px;
                    border: 1px solid rgba(255, 140, 0, 0.2);
                    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.5);
                    overflow: hidden;
                }
                
                .track::before {
                    content: '';
                    position: absolute;
                    inset: 0;
                    background: linear-gradient(90deg, rgba(255, 140, 0, 0.1) 0%, transparent 50%, rgba(255, 140, 0, 0.1) 100%);
                }
                
                .boxes-container {
                    position: absolute;
                    display: flex;
                    height: 100%;
                    align-items: center;
                    gap: 20px;
                    padding: 0 50%;
                    will-change: transform;
                    transition: transform 0.1s linear;
                }
                
                .loot-box {
                    width: 100px;
                    height: 100px;
                    border-radius: 8px;
                    display: flex;
                    flex-direction: column;
                    justify-content: center;
                    align-items: center;
                    position: relative;
                    transition: all 0.3s ease;
                    z-index: 5;
                }
                
                .loot-box.common {
                    background: rgba(30, 30, 30, 0.8);
                    border: 2px solid var(--premium-green);
                    box-shadow: 0 0 15px var(--premium-green);
                }
                
                .loot-box.rare {
                    background: rgba(30, 30, 30, 0.8);
                    border: 2px solid var(--premium-blue);
                    box-shadow: 0 0 15px var(--premium-blue);
                }
                
                .loot-box.epic {
                    background: rgba(30, 30, 30, 0.8);
                    border: 2px solid var(--premium-purple);
                    box-shadow: 0 0 20px var(--premium-purple);
                }
                
                .loot-box.legendary {
                    background: rgba(30, 30, 30, 0.8);
                    border: 2px solid var(--premium-gold);
                    box-shadow: 0 0 25px var(--premium-gold);
                }
                
                .loot-box.selected {
                    transform: scale(1.2);
                    z-index: 10;
                }
                
                .loot-box.selected.common {
                    box-shadow: 0 0 25px var(--premium-green);
                }
                
                .loot-box.selected.rare {
                    box-shadow: 0 0 30px var(--premium-blue);
                }
                
                .loot-box.selected.epic {
                    box-shadow: 0 0 35px var(--premium-purple);
                }
                
                .loot-box.selected.legendary {
                    box-shadow: 0 0 40px var(--premium-gold);
                }
                
                .box-icon {
                    font-size: 24px;
                    margin-bottom: 5px;
                }
                
                .rarity {
                    font-size: 10px;
                    text-transform: uppercase;
                    font-weight: bold;
                    margin-top: 5px;
                }
                
                .selection-window {
                    position: absolute;
                    left: 50%;
                    transform: translateX(-50%);
                    height: 120px;
                    width: 120px;
                    border: 2px solid rgba(255, 140, 0, 0.8);
                    border-radius: 8px;
                    box-shadow: 0 0 20px rgba(255, 140, 0, 0.5);
                    z-index: 4;
                    pointer-events: none;
                }
            </style>
            
            <div class="track">
                <div class="selection-window"></div>
                <div class="boxes-container">
                    ${this.boxes.map((box, index) => `
                        <div class="loot-box ${box.rarity} ${index === this.selectedIndex ? 'selected' : ''}" data-index="${index}">
                            <i data-feather="box" class="box-icon"></i>
                            <span class="rarity">${box.rarity}</span>
                        </div>
                    `).join('')}
                </div>
            </div>
        `;
        
        // Initialize feather icons
        feather.replace();
    }

    startSpin() {
        const container = this.shadowRoot.querySelector('.boxes-container');
        const boxes = this.shadowRoot.querySelectorAll('.loot-box');
        
        // Reset selection
        boxes.forEach(box => box.classList.remove('selected'));
        
        // Animate spin
        let currentPosition = 0;
        let speed = 0;
        const maxSpeed = 30;
        const deceleration = 0.5;
        const targetIndex = Math.floor(Math.random() * this.boxes.length);
        
        const animate = () => {
            currentPosition += speed;
            speed = Math.max(0, speed - deceleration);
            
            // Apply movement
            container.style.transform = `translateX(${currentPosition}px)`;
            
            // Highlight box in center
            const centerPosition = -currentPosition - container.offsetWidth / 2 + this.offsetWidth / 2;
            const boxWidth = 120; // box width + gap
            
            const centerIndex = Math.round(centerPosition / boxWidth) % this.boxes.length;
            const selectedIndex = (centerIndex + this.boxes.length) % this.boxes.length;
            
            boxes.forEach((box, i) => {
                box.classList.toggle('selected', i === selectedIndex);
            });
            
            // Continue animation until stopped
            if (speed > 0) {
                requestAnimationFrame(animate);
            } else {
                // Final selection
                this.selectedIndex = targetIndex;
                this.render();
            }
        };
        
        // Initial acceleration
        speed = maxSpeed;
        animate();
    }

    getSelectedBox() {
        return this.boxes[this.selectedIndex];
    }
}

customElements.define('loot-box-carousel', LootBoxCarousel);