// src/mocks/handlers/market.js
// 市场行情相关的 Mock Handlers

import { http, HttpResponse } from 'msw';
import { generateMarketData } from '../data/market';

// 模拟延迟
const delay = (ms) => new Promise(resolve => setTimeout(resolve, ms));

export const marketHandlers = [
    // 1. 成交数据
    http.get('/api/market/trade/:stockCode', async ({ params, request }) => {
        await delay(200);
        const { stockCode } = params;
        const data = generateMarketData(stockCode);
        return HttpResponse.json(data.tradeData);
    }),

    // 2. 资金流向
    http.get('/api/market/funding/:stockCode', async ({ params }) => {
        await delay(200);
        const { stockCode } = params;
        const data = generateMarketData(stockCode);
        return HttpResponse.json(data.fundingData);
    }),

    // 3. 大单统计
    http.get('/api/market/bigdeal/:stockCode', async ({ params }) => {
        await delay(200);
        const { stockCode } = params;
        const data = generateMarketData(stockCode);
        return HttpResponse.json(data.bigDealData);
    }),

    // 4. 异动分析
    http.get('/api/market/unusual/:stockCode', async ({ params }) => {
        await delay(200);
        const { stockCode } = params;
        const data = generateMarketData(stockCode);
        return HttpResponse.json(data.unusualData);
    }),

    // 5. 股权质押
    http.get('/api/market/pledge/:stockCode', async ({ params }) => {
        await delay(200);
        const { stockCode } = params;
        const data = generateMarketData(stockCode);
        return HttpResponse.json(data.pledgeData);
    }),

    // 6. 市场摘要
    http.get('/api/market/summary/:stockCode', async ({ params }) => {
        await delay(200);
        const { stockCode } = params;
        const data = generateMarketData(stockCode);
        return HttpResponse.json(data.summaryData);
    }),

    // 7. 涨停分析
    http.get('/api/market/rise-analysis/:stockCode', async ({ params }) => {
        await delay(200);
        const { stockCode } = params;
        const data = generateMarketData(stockCode);
        return HttpResponse.json(data.riseAnalysisData);
    }),

    // 8. 最新分时数据
    http.get('/api/stock/:stockCode/latest-minute', async ({ params }) => {
        await delay(300);
        const { stockCode } = params;
        const data = generateMarketData(stockCode);
        return HttpResponse.json(data.latestMinuteData);
    }),

    // 9. 热门概念数据（个股中心页面使用）
    http.get('/api/concepts/daily-top', async ({ request }) => {
        await delay(300);
        const url = new URL(request.url);
        const limit = parseInt(url.searchParams.get('limit') || '6');
        const date = url.searchParams.get('date');

        // 获取当前日期或指定日期
        const tradeDate = date || new Date().toISOString().split('T')[0];

        // 热门概念列表
        const conceptPool = [
            { name: '人工智能', desc: '人工智能是"技术突破+政策扶持"双轮驱动的硬科技主题。随着大模型技术的突破，AI应用场景不断拓展。' },
            { name: '新能源汽车', desc: '新能源汽车行业景气度持续向好，渗透率不断提升。政策支持力度大，产业链上下游企业均受益。' },
            { name: '半导体', desc: '国产半导体替代加速，自主可控需求强烈。政策和资金支持力度大，行业迎来黄金发展期。' },
            { name: '光伏', desc: '光伏装机量快速增长，成本持续下降，行业景气度维持高位。双碳目标下前景广阔。' },
            { name: '锂电池', desc: '锂电池技术进步，成本优势扩大，下游应用领域持续扩张。新能源汽车和储能需求旺盛。' },
            { name: '储能', desc: '储能市场爆发式增长，政策支持力度大，应用场景不断拓展。未来市场空间巨大。' },
            { name: '算力', desc: 'AI大模型推动算力需求爆发，数据中心、服务器、芯片等产业链受益明显。' },
            { name: '机器人', desc: '人形机器人产业化加速，特斯拉、小米等巨头入局，产业链迎来发展机遇。' },
        ];

        // 股票池
        const stockPool = [
            { stock_code: '600519', stock_name: '贵州茅台' },
            { stock_code: '300750', stock_name: '宁德时代' },
            { stock_code: '601318', stock_name: '中国平安' },
            { stock_code: '002594', stock_name: '比亚迪' },
            { stock_code: '601012', stock_name: '隆基绿能' },
            { stock_code: '300274', stock_name: '阳光电源' },
            { stock_code: '688981', stock_name: '中芯国际' },
            { stock_code: '000725', stock_name: '京东方A' },
        ];

        // 生成概念数据
        const concepts = [];
        for (let i = 0; i < Math.min(limit, conceptPool.length); i++) {
            const concept = conceptPool[i];
            const changePercent = parseFloat((Math.random() * 8 - 1).toFixed(2)); // -1% ~ 7%
            const stockCount = Math.floor(Math.random() * 40) + 20; // 20-60只股票

            // 随机选取3-4只相关股票
            const relatedStocks = [];
            const stockIndices = new Set();
            while (stockIndices.size < Math.min(4, stockPool.length)) {
                stockIndices.add(Math.floor(Math.random() * stockPool.length));
            }
            stockIndices.forEach(idx => relatedStocks.push(stockPool[idx]));

            concepts.push({
                concept_id: `CONCEPT_${1001 + i}`,
                concept_name: concept.name,
                change_percent: changePercent,
                stock_count: stockCount,
                description: concept.desc,
                stocks: relatedStocks
            });
        }

        // 按涨跌幅降序排序
        concepts.sort((a, b) => b.change_percent - a.change_percent);

        console.log('[Mock Market] 获取热门概念:', { limit, date: tradeDate, count: concepts.length });

        return HttpResponse.json({
            success: true,
            data: concepts,
            trade_date: tradeDate
        });
    }),

    // 10. 市值热力图数据（个股中心页面使用）
    http.get('/api/market/heatmap', async ({ request }) => {
        await delay(400);
        const url = new URL(request.url);
        const limit = parseInt(url.searchParams.get('limit') || '500');
        const date = url.searchParams.get('date');

        const tradeDate = date || new Date().toISOString().split('T')[0];

        // 行业列表
        const industries = ['食品饮料', '银行', '医药生物', '电子', '计算机', '汽车', '电力设备', '机械设备', '化工', '房地产', '有色金属', '钢铁'];
        const provinces = ['北京', '上海', '广东', '浙江', '江苏', '山东', '四川', '湖北', '福建', '安徽'];

        // 常见股票数据
        const majorStocks = [
            { code: '600519', name: '贵州茅台', cap: 1850, industry: '食品饮料', province: '贵州' },
            { code: '601318', name: '中国平安', cap: 920, industry: '保险', province: '广东' },
            { code: '600036', name: '招商银行', cap: 850, industry: '银行', province: '广东' },
            { code: '300750', name: '宁德时代', cap: 780, industry: '电力设备', province: '福建' },
            { code: '601166', name: '兴业银行', cap: 420, industry: '银行', province: '福建' },
            { code: '000858', name: '五粮液', cap: 580, industry: '食品饮料', province: '四川' },
            { code: '002594', name: '比亚迪', cap: 650, industry: '汽车', province: '广东' },
            { code: '601012', name: '隆基绿能', cap: 320, industry: '电力设备', province: '陕西' },
            { code: '688981', name: '中芯国际', cap: 280, industry: '电子', province: '上海' },
            { code: '600900', name: '长江电力', cap: 520, industry: '公用事业', province: '湖北' },
        ];

        // 生成热力图数据
        const heatmapData = [];
        let risingCount = 0;
        let fallingCount = 0;

        // 先添加主要股票
        majorStocks.forEach(stock => {
            const changePercent = parseFloat((Math.random() * 12 - 4).toFixed(2)); // -4% ~ 8%
            const amount = parseFloat((Math.random() * 100 + 10).toFixed(2)); // 10-110亿

            if (changePercent > 0) risingCount++;
            else if (changePercent < 0) fallingCount++;

            heatmapData.push({
                stock_code: stock.code,
                stock_name: stock.name,
                market_cap: stock.cap,
                change_percent: changePercent,
                amount: amount,
                industry: stock.industry,
                province: stock.province
            });
        });

        // 生成更多随机股票数据
        for (let i = majorStocks.length; i < Math.min(limit, 200); i++) {
            const changePercent = parseFloat((Math.random() * 14 - 5).toFixed(2)); // -5% ~ 9%
            const marketCap = parseFloat((Math.random() * 500 + 20).toFixed(2)); // 20-520亿
            const amount = parseFloat((Math.random() * 50 + 1).toFixed(2)); // 1-51亿

            if (changePercent > 0) risingCount++;
            else if (changePercent < 0) fallingCount++;

            heatmapData.push({
                stock_code: `${600000 + i}`,
                stock_name: `股票${i}`,
                market_cap: marketCap,
                change_percent: changePercent,
                amount: amount,
                industry: industries[Math.floor(Math.random() * industries.length)],
                province: provinces[Math.floor(Math.random() * provinces.length)]
            });
        }

        console.log('[Mock Market] 获取热力图数据:', { limit, date: tradeDate, count: heatmapData.length });

        return HttpResponse.json({
            success: true,
            data: heatmapData,
            trade_date: tradeDate,
            statistics: {
                rising_count: risingCount,
                falling_count: fallingCount
            }
        });
    }),

    // 11. 市场统计数据（个股中心页面使用）
    http.get('/api/market/statistics', async ({ request }) => {
        await delay(200);
        const url = new URL(request.url);
        const date = url.searchParams.get('date');

        const tradeDate = date || new Date().toISOString().split('T')[0];

        // 生成最近30个交易日
        const availableDates = [];
        const currentDate = new Date(tradeDate);
        for (let i = 0; i < 30; i++) {
            const d = new Date(currentDate);
            d.setDate(d.getDate() - i);
            // 跳过周末
            if (d.getDay() !== 0 && d.getDay() !== 6) {
                availableDates.push(d.toISOString().split('T')[0]);
            }
        }

        console.log('[Mock Market] 获取市场统计数据:', { date: tradeDate });

        return HttpResponse.json({
            success: true,
            summary: {
                total_market_cap: parseFloat((Math.random() * 5000 + 80000).toFixed(2)), // 80000-85000亿
                total_amount: parseFloat((Math.random() * 3000 + 8000).toFixed(2)),     // 8000-11000亿
                avg_pe: parseFloat((Math.random() * 5 + 12).toFixed(2)),                 // 12-17
                avg_pb: parseFloat((Math.random() * 0.5 + 1.3).toFixed(2)),              // 1.3-1.8
                rising_stocks: Math.floor(Math.random() * 1500 + 1500),                  // 1500-3000
                falling_stocks: Math.floor(Math.random() * 1500 + 1000),                 // 1000-2500
                unchanged_stocks: Math.floor(Math.random() * 200 + 100)                  // 100-300
            },
            trade_date: tradeDate,
            available_dates: availableDates.slice(0, 20) // 返回最近20个交易日
        });
    }),
];