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

let passed = 0;
let failed = 0;

function assert(condition, testName, detail = '') {
    if (condition) {
        console.log(` [PASS] ${testName}`);
        passed++;
    } else {
        console.error(` [FAIL] ${testName} - ${detail}`);
        failed++;
    }
}

console.log("========================================================");
console.log("  dmepa汇率高精度（不四舍五入）全链路自适应规范自动化测试");
console.log("========================================================\n");

// 1. 验证 IdentityService.php 的 formatRate 改造
const identityPath = path.resolve(__dirname, '../addons/shopro/service/partner/IdentityService.php');
assert(fs.existsSync(identityPath), 'IdentityService.php 存在');
const identityContent = fs.readFileSync(identityPath, 'utf-8');

assert(
    !identityContent.includes("number_format((float) $value, 8, '.', '')"),
    'formatRate() 已废除死锁的 8 位截断四舍五入 number_format(..., 8)'
);
assert(
    identityContent.includes("number_format($floatVal, 12, '.', '')"),
    'formatRate() 升级为 12 位高精度展开，杜绝科学计数法并容纳 9~12 位微小汇率'
);
assert(
    identityContent.includes("rtrim(rtrim($formatted, '0'), '.')"),
    'formatRate() 具备末尾无效 0 动态裁切能力，实现原值精准输出'
);

// 2. 验证 RateService.php 的 calcRate 计算精度
const rateServicePath = path.resolve(__dirname, '../addons/shopro/service/partner/RateService.php');
assert(fs.existsSync(rateServicePath), 'RateService.php 存在');
const rateServiceContent = fs.readFileSync(rateServicePath, 'utf-8');

assert(
    rateServiceContent.includes("number_format($base, 12, '.', '')"),
    'calcRate() 展开 baseStr 使用 12 位高精度，防止乘法前被截断'
);
assert(
    rateServiceContent.includes("bcmul($baseStr, $multipleStr, 12)"),
    'calcRate() 使用 bcmul 保留 12 位高精度安全计算'
);

// 3. 验证 DailySettleService 与 PartnerClean 统一调用
const dailySettlePath = path.resolve(__dirname, '../addons/shopro/service/partner/DailySettleService.php');
const dailySettleContent = fs.readFileSync(dailySettlePath, 'utf-8');
assert(
    dailySettleContent.includes("'rate' => IdentityService::formatRate($rate)"),
    'DailySettleService 试算预览统一使用 IdentityService::formatRate'
);

const cleanCmdPath = path.resolve(__dirname, '../addons/shopro/console/PartnerClean.php');
const cleanCmdContent = fs.readFileSync(cleanCmdPath, 'utf-8');
assert(
    cleanCmdContent.includes("IdentityService::formatRate($resetRate)"),
    'PartnerClean 重置提示统一使用 IdentityService::formatRate'
);

// 4. 精确模拟 PHP formatRate 算法逻辑测试
function formatRateSim(value) {
    if (value === null || value === '' || value === undefined) {
        value = '0.00000075';
    }
    const floatVal = parseFloat(value);
    if (isNaN(floatVal) || floatVal <= 0) {
        return '0';
    }
    // 模拟 number_format($floatVal, 12, '.', '')
    const formatted = floatVal.toFixed(12);
    // 模拟 rtrim(rtrim($formatted, '0'), '.')
    const trimmed = formatted.replace(/\.?0+$/, '');
    return trimmed !== '' ? trimmed : '0';
}

// 针对用户实际痛点：设置 0.000000715 时不可四舍五入为 0.00000072
assert(
    formatRateSim('0.000000715') === '0.000000715',
    '汇率 0.000000715（9位小数）精准输出为 0.000000715，不发生四舍五入'
);
assert(
    formatRateSim('0.000000715') !== '0.00000072',
    '汇率 0.000000715 绝对不能被四舍五入成 0.00000072'
);
assert(
    formatRateSim('0.00000075') === '0.00000075',
    '默认汇率 0.00000075（8位小数）保持为 0.00000075'
);
assert(
    formatRateSim('0.0000007153') === '0.0000007153',
    '高精度汇率 0.0000007153（10位小数）精准输出为 0.0000007153'
);
assert(
    formatRateSim(0.000000715 * 2) === '0.00000143',
    '翻倍汇率 0.000000715 * 2 = 0.00000143 精确输出，不被截断'
);
assert(
    formatRateSim('0') === '0',
    '0 值正确输出为 0'
);
assert(
    formatRateSim(null) === '0.00000075',
    'null 兜底输出基准汇率 0.00000075'
);

console.log("\n--------------------------------------------------------");
console.log(`测试执行结果: 通过 ${passed} 项, 失败 ${failed} 项`);
console.log("========================================================\n");

if (failed > 0) {
    process.exit(1);
}