// Vue 3 应用
const { createApp } = Vue;

createApp({
    data() {
        return {
            messages: [],
            userInput: '',
            loading: false,
            sessionId: null,
            showSkillPanel: false,
            skills: [],
            charts: {}
        };
    },
    mounted() {
        this.loadSkills();
        // 生成会话ID
        this.sessionId = this.generateSessionId();
    },
    methods: {
        async sendMessage() {
            if (!this.userInput.trim() || this.loading) return;

            const message = this.userInput.trim();
            this.userInput = '';

            // 添加用户消息
            this.messages.push({
                role: 'user',
                content: message,
                timestamp: new Date()
            });

            // 滚动到底部
            this.$nextTick(() => {
                this.scrollToBottom();
            });

            // 发送请求
            this.loading = true;

            try {
                const response = await fetch('/api/chat/message', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json'
                    },
                    body: JSON.stringify({
                        message: message,
                        session_id: this.sessionId
                    })
                });

                if (!response.ok) {
                    throw new Error('请求失败');
                }

                const data = await response.json();

                // 添加助手消息
                const assistantMessage = {
                    role: 'assistant',
                    content: data.message,
                    timestamp: new Date(),
                    metadata: data.metadata
                };

                this.messages.push(assistantMessage);

                // 如果有图表数据，渲染图表
                if (data.metadata && data.metadata.type === 'chart') {
                    this.$nextTick(() => {
                        const index = this.messages.length - 1;
                        this.renderChart(index, data.metadata.data);
                    });
                }

                // 滚动到底部
                this.$nextTick(() => {
                    this.scrollToBottom();
                });

            } catch (error) {
                console.error('发送消息失败:', error);
                this.messages.push({
                    role: 'assistant',
                    content: '抱歉，发送消息失败，请稍后重试。',
                    timestamp: new Date()
                });
            } finally {
                this.loading = false;
            }
        },

        async loadSkills() {
            try {
                const response = await fetch('/api/skills/');
                if (!response.ok) {
                    throw new Error('加载技能失败');
                }
                const data = await response.json();
                this.skills = data.skills;
            } catch (error) {
                console.error('加载技能失败:', error);
            }
        },

        async toggleSkill(skillName, enabled) {
            try {
                const endpoint = enabled ? 'enable' : 'disable';
                const response = await fetch(`/api/skills/${skillName}/${endpoint}`, {
                    method: 'POST'
                });

                if (!response.ok) {
                    throw new Error('切换技能失败');
                }

                // 重新加载技能列表
                await this.loadSkills();
            } catch (error) {
                console.error('切换技能失败:', error);
                // 恢复原状态
                await this.loadSkills();
            }
        },

        renderChart(index, chartData) {
            const containerId = `chart-${index}`;
            const container = document.getElementById(containerId);

            if (!container || !chartData) return;

            try {
                // 创建图表
                const chart = LightweightCharts.createChart(container, {
                    width: container.clientWidth,
                    height: 400,
                    layout: {
                        background: { color: '#ffffff' },
                        textColor: '#333',
                    },
                    grid: {
                        vertLines: { color: '#f0f0f0' },
                        horzLines: { color: '#f0f0f0' },
                    },
                    timeScale: {
                        borderColor: '#cccccc',
                    },
                });

                // 添加K线图
                if (chartData.candlestick_data) {
                    const candlestickSeries = chart.addCandlestickSeries({
                        upColor: '#26a69a',
                        downColor: '#ef5350',
                        borderVisible: false,
                        wickUpColor: '#26a69a',
                        wickDownColor: '#ef5350',
                    });
                    candlestickSeries.setData(chartData.candlestick_data);
                }

                // 添加成交量
                if (chartData.volume_data) {
                    const volumeSeries = chart.addHistogramSeries({
                        color: '#26a69a',
                        priceFormat: {
                            type: 'volume',
                        },
                        priceScaleId: '',
                        scaleMargins: {
                            top: 0.8,
                            bottom: 0,
                        },
                    });
                    volumeSeries.setData(chartData.volume_data);
                }

                // 自适应大小
                chart.timeScale().fitContent();

                // 保存图表实例
                this.charts[containerId] = chart;

                // 窗口大小改变时调整图表
                window.addEventListener('resize', () => {
                    if (this.charts[containerId]) {
                        this.charts[containerId].applyOptions({
                            width: container.clientWidth
                        });
                    }
                });

            } catch (error) {
                console.error('渲染图表失败:', error);
            }
        },

        scrollToBottom() {
            const container = this.$refs.messagesContainer;
            if (container) {
                container.scrollTop = container.scrollHeight;
            }
        },

        formatTime(timestamp) {
            const date = new Date(timestamp);
            const hours = date.getHours().toString().padStart(2, '0');
            const minutes = date.getMinutes().toString().padStart(2, '0');
            return `${hours}:${minutes}`;
        },

        generateSessionId() {
            return 'session_' + Date.now() + '_' + Math.random().toString(36).substr(2, 9);
        }
    }
}).mount('#app');