import { createClient } from '@supabase/supabase-js';

interface Experiment {
  id: string;
  name: string;
  start_date: string;
  end_date?: string;
  marketplace: string;
  asins: string[];
  baseline_start_date?: string;
  baseline_end_date?: string;
}

// Configura Supabase con credenciales hardcodeadas para debug
const supabase = createClient(
  'https://qjioywarwdbxmdihyrti.supabase.co',
  'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6InFqaW95d2Fyd2RieG1kaWh5cnRpIiwicm9sZSI6InNlcnZpY2Vfcm9sZSIsImlhdCI6MTc3MTUxMDU0NCwiZXhwIjoyMDg3MDg2NTQ0fQ.oXxdNBDvMSyfMRaf57oCb8cUS2Bqm73CeyM19v3GJPI'
);

async function debugBodynessExperiment() {
  console.log('=== DEBUG BODYNESS ES EXPERIMENT ===\n');

  // 1. Obtener el experimento
  const { data: expData, error: expError } = await supabase
    .from('experiments')
    .select('*')
    .ilike('name', '%bodyness%')
    .single();

  if (expError || !expData) {
    console.log('❌ No se encontró el experimento');
    console.log('Error:', expError);
    return;
  }

  const experiment: Experiment = expData;
  console.log('📋 Experimento:', experiment.name);
  console.log('📅 Start:', experiment.start_date);
  console.log('📅 End:', experiment.end_date);
  console.log('🌍 Marketplace:', experiment.marketplace);
  console.log('📦 ASINs:', experiment.asins);
  console.log('');

  // 2. Obtener datos de ventas (sin filtro de año primero) - verificar total
  const { count, error: countError } = await supabase
    .from('vendor_daily_data')
    .select('*', { count: 'exact', head: true });

  console.log(`📊 Total registros en vendor_daily_data: ${count || 'unknown'}`);
  console.log('');

  // Buscar específicamente los ASINs del experimento
  console.log('🔍 Buscando ASINs del experimento en la DB...');
  const { data: asinData, error: asinError } = await supabase
    .from('vendor_daily_data')
    .select('*')
    .in('asin', experiment.asins);

  if (asinError) {
    console.log('Error buscando ASINs:', asinError.message);
  } else {
    console.log(`✅ Registros encontrados para los ASINs del experimento: ${asinData?.length || 0}`);
    if (asinData && asinData.length > 0) {
      const asinsEncontrados = [...new Set(asinData.map(r => r.asin))];
      console.log('ASINs encontrados:', asinsEncontrados);
      const marketsEncontrados = [...new Set(asinData.map(r => r.market))];
      console.log('Markets encontrados:', marketsEncontrados);
    }
  }
  console.log('');

  // Obtener datos filtrados por los ASINs del experimento (usamos asinData que ya tiene los datos)
  const salesData = asinData || [];
  console.log(`📊 Total registros para ASINs del experimento: ${salesData.length}`);
  console.log('');

  // Ver muestra de datos
  console.log('📋 Muestra de datos (primeros 3 registros - todos los campos):');
  salesData.slice(0, 3).forEach((r: any, i) => {
    console.log(`  ${i+1}.`, JSON.stringify(r, null, 2));
  });
  console.log('');

  // Ver rango de fechas
  const dates = salesData.map(r => r.date).filter(Boolean).sort();
  if (dates.length > 0) {
    console.log(`📅 Rango de fechas: ${dates[0]} → ${dates[dates.length - 1]}`);
  }
  console.log('');

  // 4. Ver marketplace en los datos
  const marketplaces = [...new Set(salesData.map(r => r.market || 'N/A'))];
  console.log('🌍 Marketplaces en los datos:', marketplaces);
  console.log('');

  // 5. Filtrar por marketplace del experimento (ES)
  const mktFilter = (experiment.marketplace || '').toLowerCase();
  console.log(`Filtrando por marketplace: "${experiment.marketplace}"`);

  const filteredByMkt = salesData.filter(r => {
    const mkt = (r.market || '').toLowerCase();
    return !mktFilter || mktFilter === 'all' || mkt.includes(mktFilter) || mktFilter.includes(mkt);
  });

  console.log(`✅ Registros después de filtrar por marketplace: ${filteredByMkt.length}`);
  console.log('');

  // 6. Agrupar por semana ISO (usando el campo date)
  const weeksMap = new Map<string, { units: number; records: number; dates: string[] }>();
  filteredByMkt.forEach((r: any) => {
    const dateStr = r.date;
    if (!dateStr) return;
    const date = new Date(dateStr);
    const iso = getISOWeek(date);
    const key = `${iso.year}-W${String(iso.week).padStart(2, '0')}`;
    const existing = weeksMap.get(key) || { units: 0, records: 0, dates: [] as string[] };
    existing.units += (r.units || r.unitsTotal || 0);
    existing.records++;
    if (!existing.dates.includes(dateStr)) existing.dates.push(dateStr);
    weeksMap.set(key, existing);
  });

  console.log('📅 Unidades por semana (TODOS los datos):');
  const sortedWeeks = Array.from(weeksMap.entries()).sort();
  sortedWeeks.forEach(([week, data]) => {
    console.log(`   ${week}: ${data.units} unidades (${data.records} registros) - fechas: ${data.dates.sort().join(', ')}`);
  });
  console.log('');

  // 7. Ver semanas dentro del período del experimento (Jan 22 - Feb 4, 2026)
  const startDate = new Date(experiment.start_date!);
  const endDate = new Date(experiment.end_date!);
  
  console.log('📅 Período del experimento:', startDate.toISOString().split('T')[0], '→', endDate.toISOString().split('T')[0]);
  
  // Calcular semanas ISO que toca el experimento
  const startISO = getISOWeek(startDate);
  const endISO = getISOWeek(endDate);
  console.log(`📅 Semanas ISO: ${startISO.year}-W${startISO.week} → ${endISO.year}-W${endISO.week}`);
  
  const afterWeeks: string[] = [];
  let currentYear = startISO.year;
  let currentWeek = startISO.week;
  
  while (true) {
    const weekKey = `${currentYear}-W${String(currentWeek).padStart(2, '0')}`;
    afterWeeks.push(weekKey);
    
    if (currentYear === endISO.year && currentWeek === endISO.week) {
      break;
    }
    
    currentWeek++;
    const weeksInYear = getWeeksInYear(currentYear);
    if (currentWeek > weeksInYear) {
      currentWeek = 1;
      currentYear++;
    }
  }
  
  console.log(`📅 Semanas incluidas en AFTER: ${afterWeeks.join(', ')}`);
  console.log('');

  // 8. Calcular unidades en esas semanas
  let afterUnits = 0;
  let afterWeekCount = 0;
  
  console.log('📊 Unidades en semanas AFTER:');
  sortedWeeks.forEach(([week, data]) => {
    if (afterWeeks.includes(week)) {
      afterUnits += data.units;
      afterWeekCount++;
      console.log(`   ✅ ${week}: ${data.units} unidades`);
    }
  });
  
  console.log('');
  console.log(`📊 Total unidades en AFTER: ${afterUnits}`);
  console.log(`📊 Número de semanas con datos: ${afterWeekCount}`);
  console.log(`📊 Media calculada: ${afterUnits} / ${afterWeekCount} = ${(afterUnits / afterWeekCount).toFixed(2)}`);
  console.log('');

  // 9. Ver baseline (3 semanas antes)
  const baselineEndTs = getISOWeekMonday(startISO.year, startISO.week);
  const baselineStartTs = baselineEndTs - (afterWeeks.length * 7 * 86400000);
  
  console.log('📅 Baseline período:', new Date(baselineStartTs).toISOString().split('T')[0], '→', new Date(baselineEndTs).toISOString().split('T')[0]);
  
  // Calcular semanas del baseline
  const baselineWeeks: string[] = [];
  let baselineDate = new Date(baselineStartTs);
  while (baselineDate.getTime() < baselineEndTs) {
    const iso = getISOWeek(baselineDate);
    const weekKey = `${iso.year}-W${String(iso.week).padStart(2, '0')}`;
    if (!baselineWeeks.includes(weekKey)) {
      baselineWeeks.push(weekKey);
    }
    baselineDate.setDate(baselineDate.getDate() + 7);
  }
  
  console.log(`📅 Semanas del BASELINE: ${baselineWeeks.join(', ')}`);
  
  let beforeUnits = 0;
  let beforeWeekCount = 0;
  console.log('📊 Unidades en semanas BASELINE:');
  sortedWeeks.forEach(([week, data]) => {
    if (baselineWeeks.includes(week)) {
      beforeUnits += data.units;
      beforeWeekCount++;
      console.log(`   ✅ ${week}: ${data.units} unidades`);
    }
  });
  
  console.log('');
  console.log(`📊 Total unidades en BASELINE: ${beforeUnits}`);
  console.log(`📊 Número de semanas con datos: ${beforeWeekCount}`);
  console.log(`📊 Media calculada: ${beforeUnits} / ${beforeWeekCount} = ${(beforeUnits / beforeWeekCount).toFixed(2)}`);
}

// Funciones helper ISO week
function getISOWeek(date: Date): { year: number; week: number } {
  const d = new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate()));
  const dayNum = d.getUTCDay() || 7;
  d.setUTCDate(d.getUTCDate() + 4 - dayNum);
  const yearStart = new Date(Date.UTC(d.getUTCFullYear(), 0, 1));
  const weekNum = Math.ceil((((d.getTime() - yearStart.getTime()) / 86400000) + 1) / 7);
  return { year: d.getUTCFullYear(), week: weekNum };
}

function getWeeksInYear(year: number): number {
  const dec28 = new Date(Date.UTC(year, 11, 28));
  const iso = getISOWeek(dec28);
  return iso.week;
}

function getISOWeekMonday(year: number, week: number): number {
  const jan4 = new Date(Date.UTC(year, 0, 4));
  const dayOfWeek = jan4.getUTCDay() || 7;
  const week1Monday = new Date(Date.UTC(year, 0, 4 - (dayOfWeek - 1)));
  return week1Monday.getTime() + (week - 1) * 7 * 86400000;
}

debugBodynessExperiment().catch(console.error);