import fs from 'fs';
import path from 'path';

// read dummy data or mock 
const mockSalesData = [
    {
        asin: 'B08F2J8S1Y',
        line: 'LEGENDS',
        year: 2026,
        week: 1,
        unitsTotal: 10,
        salesTotal: 100,
    },
    {
        asin: 'B08F2J8S1Y',
        line: 'LEGENDS',
        year: 2026,
        week: 2,
        unitsTotal: 15,
        salesTotal: 150,
    }
];

const experimentAsins = ['LINE:LEGENDS'];

const lines = new Set();
const explicitAsins = new Set();
experimentAsins.forEach(a => {
    const val = (a || '').trim().toUpperCase();
    if (val.startsWith('LINE:')) {
        lines.add(val.substring(5).trim());
    } else if (val) {
        explicitAsins.add(val);
    }
});

const asinSet = new Set(explicitAsins);
if (lines.size > 0 && mockSalesData) {
    mockSalesData.forEach(r => {
        const line = (r.line || '').trim().toUpperCase();
        if (line && lines.has(line)) {
            if (r.asin) asinSet.add(r.asin.toUpperCase());
        }
    });
}

console.log('Resolved ASINs:', Array.from(asinSet));

// Date test
const startDateStr = '2026-01-01';
const endDateStr = '2026-01-14';

const startDate = new Date(startDateStr);
const endDate = new Date(endDateStr);

console.log('Start Date UTC:', startDate.toISOString(), 'Local:', startDate.toString());
console.log('End Date UTC:', endDate.toISOString(), 'Local:', endDate.toString());

const recordDate1 = new Date(2026, 0, 1); // week 1
const recordDate2 = new Date(2026, 0, 8); // week 2
const recordDate3 = new Date(2026, 0, 15); // week 3

console.log('Week 1 Record Date Local:', recordDate1.toString());
console.log('Week 1 included in experiment?', recordDate1 >= startDate && recordDate1 <= endDate);
console.log('Week 2 Record Date Local:', recordDate2.toString());
console.log('Week 2 included in experiment?', recordDate2 >= startDate && recordDate2 <= endDate);
console.log('Week 3 Record Date Local:', recordDate3.toString());
console.log('Week 3 included in experiment?', recordDate3 >= startDate && recordDate3 <= endDate);