'use strict';
// CI-only validation: build a sample study-load XLSX/CSV/JSON and confirm they
// open in real readers. The XLSX is re-parsed with python3 openpyxl (installed
// in CI), which catches malformed XML / cell-reference issues that the Node
// ZIP-structure tests cannot.
const fs = require('fs');
const path = require('path');
const os = require('os');
const { buildStudyLoadXlsx } = require('../export-xlsx.js');
const { buildStudyLoadCsv, buildNextUpCsv } = require('../export-csv.js');
const { buildStudyLoadJson } = require('../export-json.js');

const data = {
  year: '2024',
  period: '1ST Semester',
  totalUnits: '21.00',
  header: {
    program: 'BACHELOR OF SCIENCE IN INFORMATION TECHNOLOGY',
    fullName: 'ADRIAN ALFRED CHIONG BONPIN',
    studentId: '22103625',
    semester: '1ST Semester 2024',
    yearLevel: '3'
  },
  courses: [
    { group: '1', courseCode: 'IT 3101N', description: 'PLATFORM TECHNOLOGIES',
      schedule: 'F 01:30 PM - 04:30 PM LB486', faculty: 'TAN', units: '3.0', status: 'REGULAR' },
    { group: '1', courseCode: 'CIS 1101', description: 'PROGRAMMING, INTRO',
      schedule: 'T Th 03:00 PM - 04:30 PM LB468', faculty: '', units: '3.0', status: 'REGULAR' }
  ]
};

const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'ismis-export-'));

fs.writeFileSync(path.join(dir, 'study-load.xlsx'), Buffer.from(buildStudyLoadXlsx(data)));
fs.writeFileSync(path.join(dir, 'study-load.csv'), buildStudyLoadCsv(data), 'utf8');
fs.writeFileSync(path.join(dir, 'study-load.json'), JSON.stringify(buildStudyLoadJson(data), null, 2), 'utf8');
fs.writeFileSync(path.join(dir, 'study-load-nextup.csv'), buildNextUpCsv(data), 'utf8');

console.log('wrote sample exports to', dir);

// XLSX: require python3 + openpyxl, parse and assert key cells.
const { execSync } = require('child_process');
const pyFile = path.join(dir, 'check.py');
const py = `
import openpyxl
wb = openpyxl.load_workbook('${path.join(dir, 'study-load.xlsx')}')
ws = wb.active
assert ws.title == 'Study Load', ws.title
assert ws['B2'].value == 'BACHELOR OF SCIENCE IN INFORMATION TECHNOLOGY', ws['B2'].value
assert ws['B3'].value == 'ADRIAN ALFRED CHIONG BONPIN'
assert ws['B6'].value == '3'
assert ws['A10'].value == '1' and ws['B10'].value == 'IT 3101N'
assert ws['F10'].value == '3.0'
print('openpyxl OK')
`;
fs.writeFileSync(pyFile, py);
try {
  execSync('python3 ' + JSON.stringify(pyFile), { stdio: 'inherit' });
} catch (e) {
  console.error('openpyxl validation failed');
  process.exit(1);
}

console.log('ALL EXPORT VALIDATION PASSED');