#!/usr/bin/env node

RDF = require('../../RDF'); // ugly global for TurtleParser
require('../../TurtleParser.js'); // even worse
var Mapper = require('../../ShExMap');

var fromFiles = [];
var toFiles = [];
var dataFile = null;

for (var i = 2; i < process.argv.length; ++i) {
  if (process.argv[i] === '-i') {
    if (++i === process.argv.length) {
      throw "exepcted input schema file after -i flag";
    }
    fromFiles.push(process.argv[i]);
  } else if (process.argv[i] === '-o') {
    if (++i === process.argv.length) {
      throw "exepcted output schema file after -o flag";
    }
    toFiles.push(process.argv[i]);
  } else if (process.argv[i] === '-d') {
    if (++i === process.argv.length) {
      throw "exepcted data file after -d flag";
    }
    if (dataFile !== null) {
      throw "duplicate data file -- already saw " + dataFile;
    }
    dataFile = process.argv[i];
  } else {
    throw "unknown option " + process.argv[i];
  }
}
if (fromFiles.length === 0) {
  throw "expected at least one input schema file"
}
if (toFiles.length === 0) {
  throw "expected at least one output schema file"
}
if (dataFile === null) {
  throw "expected one input data file"
}

console.log(Mapper(fromFiles, toFiles).materialize(dataFile).toString());

/* try
     materialize -i BPFHIR.shex -o BPunitsDAM.shex -d BPFHIR.ttl
     materialize -i BPunitsDAM.shex -o BPFHIR.shex -d BPunitsDAM.ttl
     materialize -i BPFHIRsys.shex -i BPFHIRdia.shex -o BPunitsDAM.shex -d BPFHIR.ttl
*/