// 订单页面模块

const OrdersPage = {
    // 初始化
    init() {
        this.loadOrders();
    },

    // 加载订单
    async loadOrders() {
        try {
            const res = await fetch(`${API_BASE}/orders/`);
            const data = await res.json();
            AppState.setOrders(data);
            this.renderOrders();
        } catch (e) {
            console.error('加载订单失败:', e);
        }
    },

    // 渲染订单
    renderOrders() {
        const container = document.getElementById('order-list');
        if (!container) return;

        const orders = AppState.getFilteredOrders();

        if (orders.length === 0) {
            container.innerHTML = `
                <div class="empty-state">
                    <div class="empty-icon">📋</div>
                    <div class="empty-title">暂无聚会</div>
                    <div class="empty-desc">点击下方按钮创建第一个聚会吧</div>
                </div>
            `;
            return;
        }

        container.innerHTML = orders.map(order => OrderCard.render(order)).join('');

        // 绑定点击事件
        container.querySelectorAll('.order-card').forEach(card => {
            card.addEventListener('click', () => {
                showOrderDetail(card.dataset.id);
            });
        });
    },

    // 筛选订单
    filterOrders(status) {
        AppState.setCurrentOrderFilter(status);
        this.renderOrders();
    },

    // 创建订单
    async createOrder(name, dishIds, partyDate) {
        try {
            const data = {
                name,
                dish_ids: dishIds,
                party_date: partyDate
            };
            const res = await fetch(`${API_BASE}/orders/`, {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify(data)
            });
            const order = await res.json();
            await this.loadOrders();
            return order;
        } catch (e) {
            console.error('创建订单失败:', e);
            throw e;
        }
    },

    // 完成订单
    async completeOrder(orderId) {
        try {
            const res = await fetch(`${API_BASE}/orders/${orderId}/complete/`, {
                method: 'POST'
            });
            await res.json();
            await this.loadOrders();
        } catch (e) {
            console.error('完成订单失败:', e);
            throw e;
        }
    },

    // 删除订单
    async deleteOrder(orderId) {
        try {
            await fetch(`${API_BASE}/orders/${orderId}/`, { method: 'DELETE' });
            await this.loadOrders();
        } catch (e) {
            console.error('删除订单失败:', e);
            throw e;
        }
    }
};

// 导出
window.OrdersPage = OrdersPage;