const fs = require('fs');
const path = require('path');

function read(relativePath) {
    return fs.readFileSync(path.join(__dirname, '..', relativePath), 'utf8');
}

function floatingPositionTypeText(posiDirection, positionType) {
    return posiDirection === positionType ? '多头' : '空头';
}

describe('收益互换浮动端多空方向展示', () => {
    test.each([
        [1, 1, '多头'],
        [1, 2, '空头'],
        [2, 1, '空头'],
        [2, 2, '多头']
    ])('收支方向=%i，多空方向=%i时展示%s', (posiDirection, positionType, expected) => {
        expect(floatingPositionTypeText(posiDirection, positionType)).toBe(expected);
    });

    test('查看交易的初始持仓、实时持仓、平仓和互换记录均使用计算后的方向', () => {
        const source = read('Views/SwapTrade2/TradeView.cshtml');

        expect(source).toContain('FloatingPositionTypeText(item.PosiDirection, item.PositionType)');
        expect(source.match(/FloatingPositionTypeText\(item\.PosiDirection, item\.PositionType\)/g)).toHaveLength(2);
        expect(source.match(/FloatingPositionTypeText\(closeFloat\.PayDirection, closeFloat\.PositionType\)/g)).toHaveLength(2);
    });

    test.each([
        'Views/SwapTrade2/SwapUnwind.cshtml',
        'Views/SwapTrade2/SwapIncome.cshtml'
    ])('%s按收支方向和多空方向计算展示值', relativePath => {
        const source = read(relativePath);

        expect(source).toContain('floatPosition.PayDirection==floatPosition.PositionType?"多头":"空头"');
        expect(source).toContain('floatPosition.PositionType==1?"多头":"空头"');
    });

    test('平仓详情隐藏浮动收支方向并计算多空展示值', () => {
        const source = read('Views/SwapTrade2/CloseDetial.cshtml');

        expect(source).toContain('bool hideFloatingIncomeDirection = PS.Config.ErpElement.SwapFloatingIncomeReceiveOnlyMode;');
        expect(source).toContain('FloatingPositionTypeText(item.PosiDirection, item.PositionType)');
        expect(source).toMatch(/@if \(!hideFloatingIncomeDirection\)[\s\S]*<td>收支方向<\/td>/);
    });
});