import ExcelJS from "exceljs";
import { applyMergePattern } from "./lib";

/* const inputFile = Bun.file("mapa.xlsx");
const inputBuffer = await inputFile.arrayBuffer();

const workbook = new ExcelJS.Workbook();
await workbook.xlsx.load(inputBuffer); */

const workbook = new ExcelJS.Workbook();
await workbook.xlsx.readFile("mapa.xlsx");

const sheetName = 'RÍGIDO-Anexo 2 (A)'
const sheet = workbook.getWorksheet(sheetName)
if (!sheet) {
    throw new Error(`Workbook has no sheet named: ${sheetName}`);
}

const CICLOS = 9;
const matrizAsignaturas = {
    startColumns: ["C", "I", "O", "U", "AA"],
    firstStartRow: 8,
    mergeWidthInColumns: 5,
    mergeHeightInRows: 3,
    mergeBlockCount: CICLOS,
    rowStepBetweenBlocks: 14 - 8,
} as const;
const semestres = {
    startColumns: ["A"],
    firstStartRow: 7,
    mergeWidthInColumns: 1,
    mergeHeightInRows: 5,
    mergeBlockCount: CICLOS,
    rowStepBetweenBlocks: 13 - 7,
} as const;

applyMergePattern(sheet, matrizAsignaturas);
applyMergePattern(sheet, semestres);

const outputBuffer = await workbook.xlsx.writeBuffer();
await Bun.write("excel2.xlsx", outputBuffer);

const end = Bun.nanoseconds();