export class RdDResolutionTable {
  static resolutionTable = this.build()

  /* -------------------------------------------- */
  static build() {
    let table = []
    for (var carac = 0; carac <= 30; carac++) {
      table[carac] = this._computeRow(carac);
    }
    return table;
  }

  /* -------------------------------------------- */
  static _computeRow(carac) {
    let dataRow = [
      this._computeScore(-10, Math.max(Math.floor(carac / 4), 1)),
      this._computeScore(-9, Math.max(Math.floor(carac / 2), 1))
    ]
    for (var diff = -8; diff <= 22; diff++) {
      dataRow[diff + 10] = this._computeScore(diff, Math.max(Math.floor(carac * (diff + 10) / 2), 1));
    }
    return dataRow;
  }

  static _computeScore(diff, score) {
    return {
      niveau: diff,
      score: score,
      sign: this._reussiteSignificative(score),
      part: this._reussitePart(score),
      epart: this._echecParticulier(score),
      etotal: this._echecTotal(score)
    }
  }

  static _reussiteSignificative(score) {
    return Math.floor(score / 2);
  }

  static _reussitePart(score) {
    return Math.ceil(score / 5);
  }

  static _echecParticulier(score) {
    return Math.ceil(score / 5) + 80;
  }

  static _echecTotal(score) {
    return Math.ceil(score / 10) + 91;
  }

  /* -------------------------------------------- */
  static buildHTMLTable(caracValue, levelValue, minCarac = 1, maxCarac = 21, minLevel = -10, maxLevel = 11) {
    return this._buildHTMLTable(caracValue, levelValue, minCarac, maxCarac, minLevel, maxLevel)
  }

  /* -------------------------------------------- */
  static _buildHTMLTable(caracValue, levelValue, minCarac, maxCarac, minLevel, maxLevel) {
    minCarac = Math.max(minCarac, 1);
    maxCarac = Math.min(maxCarac, 30);
    minLevel = Math.max(minLevel, -10);
    maxLevel = Math.min(maxLevel, 22);

    var table = $("<table class='table-resolution'/>")
      .append(this._buildHTMLHeader(this.resolutionTable[0], minLevel, maxLevel));

    for (var carac = minCarac; carac <= maxCarac; carac++) {
      table.append(this._buildHTMLRow(this.resolutionTable[carac], carac, caracValue, levelValue, minLevel, maxLevel));
    }
    return table;
  }

  static _buildHTMLHeader(dataRow, minLevel, maxLevel) {
    var tr = $("<tr/>");
    for (var difficulte = minLevel; difficulte <= maxLevel; difficulte++) {
      const niveau = dataRow[difficulte + 10].niveau;
      const txt = (niveau > 0 ? "+" : "") + niveau;
      tr.append($("<th class='table-resolution-level'/>").text(txt));
    }
    return tr;
  }

  static _buildHTMLRow(dataRow, rowIndex, caracValue, levelValue, minLevel, maxLevel) {
    var tr = $("<tr/>");
    for (var difficulte = minLevel; difficulte <= maxLevel; difficulte++) {
      var td = $("<td/>");
      let score = dataRow[difficulte + 10].score;
      if (rowIndex == caracValue && levelValue == difficulte) {
        td.addClass('table-resolution-target');
      } else if (difficulte == -8) {
        td.addClass('table-resolution-carac');
      }
      tr.append(td.text(score));
    }
    return tr;
  }

}