#!/usr/bin/env node

var commander = require("commander"),
    d3 = require("../"),
    read = require("./read"),
    write = require("./write");

commander
    .version(require("../package.json").version)
    .usage("[options] [file]")
    .description("Stitch equirectangular GeoJSON in degrees, removing antimeridian and polar cuts.")
    .option("-o, --out <file>", "output file name; defaults to “-” for stdout", "-")
    .option("-n, --newline-delimited", "use newline-delimited JSON")
    .parse(process.argv);

if (commander.args.length === 0) commander.args[0] = "-";
else if (commander.args.length !== 1) {
  console.error();
  console.error("  error: multiple input files");
  console.error();
  process.exit(1);
}

var reader = read(commander.args[0], commander.newlineDelimited, stitch).then(end).catch(abort),
    writer = write(commander.out);

function stitch(d) {
  return writer.write(JSON.stringify(d3.geoStitch(d)) + "\n");
}

function end() {
  return writer.end();
}

function abort(error) {
  console.error(error.stack);
}