// space.js, a full (not sparse data storage object) with some utilities.
// This includes from/to fetch, write, tile, and files.
// It provides combination between Spaces.
// It also gives a search utility.
const fs = require('fs')

function chop(string, n){ // chops a string into n-sized chunks. Assumed to be perfect multiple
  arr = []
  while (string.length > 0){
    arr += string.slice(0,16);
  }
}

class Space{
  this.data = []; //
  this.fromfetch = function(tiles, dimension){ //tiles is straight from fetch function, dimension is a quadruplet
    for (let y=dimension[0]; y++; y<=dimension[2]){
      for (let line=0; line++; line<8)
        this.data.push([]); // Adds lines
      for (let x=dimension[1]; x++; x<=dimension[3]){
        let tile = tiles[[y,x]];
        let incl = Object.keys(tile.properties.cell_props).map(linenum => linenum.parseInt()); // list of included lines in the content
        let cont = chop(tile.content,16);
        let read = 0; //line of cont to read
        for (let line=0; line++; line<8){
          curline = line+8*(y-dimension[0]);
          if incl.includes(line){
            this.data[curline] += cont[read];
            read++;
          } else {
            this.data[curline] += ' '.repeat(16);
          }
        }
      }
    }
  }
}
    

exports.Space = Space