#!/usr/bin/env node
'use strict';
/**
 * PLT Dataset — Validator
 * Validates JSONL files against SCHEMA.md trajectory structure.
 */
const fs = require('fs');
const path = require('path');
const DATA = path.join(__dirname, '..', 'data');

const REQUIRED_TOP = ['id', 'type', 'payload', 'plb', 'meta'];
const VALID_TYPES = ['cheat_code','law','archetype','mistake','soul_code','chamber','council_member','council_trace','decision','reflection','doctrine_snippet','frequency_marker','daily_log','exit_calculation','frequency_band','dimension','multiversal_principle','quantum_decision','fractal_code','paradox'];
const VALID_HORIZONS = ['90d', '1yr', '5yr', 'multiple', 'real-time', 'generational', 'infinity'];

let errors = 0, warnings = 0, total = 0;

const files = fs.readdirSync(DATA).filter(f => f.endsWith('.jsonl')).sort();
console.log('=== PLT Dataset Validation ===\n');

for (const file of files) {
  const rows = fs.readFileSync(path.join(DATA, file), 'utf8')
    .split('\n').filter(Boolean);
  let fileErrors = 0;

  console.log(`\n${file} (${rows.length} rows)`);

  rows.forEach((line, i) => {
    total++;
    let row;
    try { row = JSON.parse(line); } catch {
      errors++; fileErrors++;
      console.log(`  ✗ Row ${i+1}: invalid JSON`);
      return;
    }

    // Required top-level
    for (const k of REQUIRED_TOP) {
      if (!(k in row)) {
        errors++; fileErrors++;
        console.log(`  ✗ Row ${i+1} (${row.id || '?'}): missing field "${k}"`);
      }
    }

    // Type validation
    if (!VALID_TYPES.includes(row.type)) {
      warnings++;
      console.log(`  ⚠ Row ${i+1}: unknown type "${row.type}"`);
    }

    // plb validation
    const plb = row.plb || {};
    for (const k of ['profit', 'love', 'tax']) {
      if (typeof plb[k] !== 'number' || plb[k] < -1 || plb[k] > 1) {
        warnings++;
        console.log(`  ⚠ Row ${i+1}: plb.${k} out of range: ${plb[k]}`);
      }
    }
    if (!VALID_HORIZONS.includes(plb.time_horizon)) {
      warnings++;
      console.log(`  ⚠ Row ${i+1}: invalid time_horizon "${plb.time_horizon}"`);
    }

    // Type-specific payload checks
    if (row.type === 'cheat_code' && !row.payload?.rcc_number) {
      console.log(`  ⚠ Row ${i+1}: cheat_code missing rcc_number`);
    }
    if (row.type === 'archetype' && !row.payload?.number) {
      console.log(`  ⚠ Row ${i+1}: archetype missing number`);
    }

    // Meta checks
    if (!row.meta?.source_book) {
      warnings++;
      console.log(`  ⚠ Row ${i+1}: meta.source_book missing`);
    }
  });

  console.log(`  ${fileErrors} errors, ${rows.length - fileErrors} OK`);
}

console.log(`\n=== Summary ===`);
console.log(`Total rows: ${total}`);
console.log(`Errors: ${errors}`);
console.log(`Warnings: ${warnings}`);
console.log(errors === 0 ? '\n✓ All files valid.' : `\n✗ ${errors} errors found.`);
process.exit(errors > 0 ? 1 : 0);