const gulp = require("gulp"),
  concat = require("gulp-concat"),
  path = require("path"),
  glob = require("glob");

const sass = require("gulp-sass")(require("sass"));

/**
   ___ _                __             _      ___
 / __| |_ ___ _ _ ___ / _|_ _ ___ _ _| |_   / __| __ _ ______
 \__ \  _/ _ \ '_/ -_)  _| '_/ _ \ ' \  _|  \__ \/ _` (_-<_-<
 |___/\__\___/_| \___|_| |_| \___/_||_\__|  |___/\__,_/__/__/

 */
// Custom sass para o storefront
const pathsStore = {
  styles: {
    styles: "styles/sass/**/",
    ext: "styles/sass/**/*.{css,scss,sass}",
    dest: "styles/css",
  },
};

// Quick/efficient way to get the unique values from a array.
function uniqValuesArray(a) {
  let seen = {};
  let out = [];
  let len = a.length;
  let j = 0;
  for (let i = 0; i < len; i++) {
    let item = a[i];
    if (seen[item] !== 1) {
      seen[item] = 1;
      out[j++] = item;
    }
  }
  return out;
}
function getCurrentTimestamp() {
  const date = new Date();

  const hours = String(date.getHours()).padStart(2, "0");
  const minutes = String(date.getMinutes()).padStart(2, "0");
  const seconds = String(date.getSeconds()).padStart(2, "0");

  return `\x1b[35m[${hours}:${minutes}:${seconds}]\x1b[0m`;
}

let filteredFiles = [];

gulp.task("getFiles", function (done) {
  glob(pathsStore.styles.ext, function (er, files) {
    filteredFiles = uniqValuesArray([
      ...files.map((file) => path.basename(file)),
    ]);
    done();
  });
});

gulp.task("sass", function (done) {
  filteredFiles.forEach((file) => {
    const fileName = file;

    gulp
      .src([
        "styles/sass/utils/_mixin.scss",
        "styles/sass/utils/_vars.scss",
        pathsStore.styles.styles + fileName,
      ])
      .pipe(concat(fileName))
      .pipe(sass().on("error", sass.logError))
      .pipe(gulp.dest(pathsStore.styles.dest));
  });
  done();
});

gulp.task("run", gulp.series("getFiles", "sass"));

gulp.task("watch", function () {
  gulp.watch(pathsStore.styles.ext).on("change", function (fileName) {
    fileName = path.basename(fileName);

    if (fileName.includes(".css")) {
      gulp
        .src(pathsStore.styles.styles + fileName)
        .pipe(concat(fileName))
        .pipe(gulp.dest(pathsStore.styles.dest));
    } else {
      gulp
        .src([
          "styles/sass/utils/_mixin.scss",
          "styles/sass/utils/_vars.scss",
          pathsStore.styles.styles + fileName,
        ])
        .pipe(concat(fileName))
        .pipe(sass().on("error", sass.logError))
        .pipe(gulp.dest(pathsStore.styles.dest));
    }

    console.log(
      getCurrentTimestamp() + " File: \x1b[32m" + fileName + "\x1b[0m builded."
    );
  });
});

gulp.task("storefront", gulp.series("run", "watch"));