import { ChatUtility } from "./chat-utility.js";
import { RdDItemArme } from "./item-arme.js";
import { Misc } from "./misc.js";
import { RdDBonus } from "./rdd-bonus.js";
import { RdDCombat } from "./rdd-combat.js";
import { RdDDice } from "./rdd-dice.js";

/**
 * difficultés au delà de -10
 */
const levelDown = [
  { level: -11, score: 1, sign: 0, part: 0, epart: 2, etotal: 90 },
  { level: -12, score: 1, sign: 0, part: 0, epart: 2, etotal: 70 },
  { level: -13, score: 1, sign: 0, part: 0, epart: 2, etotal: 50 },
  { level: -14, score: 1, sign: 0, part: 0, epart: 2, etotal: 30 },
  { level: -15, score: 1, sign: 0, part: 0, epart: 2, etotal: 10 },
  { level: -16, score: 1, sign: 0, part: 0, epart: 0, etotal: 2 }
];
const levelImpossible = { score: 0, sign: 0, part: 0, epart: 0, etotal: 1 };
/**
 * Table des résultats spéciaux - inutilisée, conservée si on veut afficher la table
 */
const specialResults = [
  { part: 0, epart: 0, etotal: 0, min: 0, max: 0 },
  { part: 1, epart: 81, etotal: 92, min: 1, max: 5 },
  { part: 2, epart: 82, etotal: 92, min: 6, max: 10 },
  { part: 3, epart: 83, etotal: 93, min: 11, max: 15 },
  { part: 4, epart: 84, etotal: 93, min: 16, max: 20 },
  { part: 5, epart: 85, etotal: 94, min: 21, max: 25 },
  { part: 6, epart: 86, etotal: 94, min: 26, max: 30 },
  { part: 7, epart: 87, etotal: 95, min: 31, max: 35 },
  { part: 8, epart: 88, etotal: 95, min: 36, max: 40 },
  { part: 9, epart: 89, etotal: 96, min: 41, max: 45 },
  { part: 10, epart: 90, etotal: 96, min: 46, max: 50 },
  { part: 11, epart: 91, etotal: 97, min: 51, max: 55 },
  { part: 12, epart: 92, etotal: 97, min: 56, max: 60 },
  { part: 13, epart: 93, etotal: 98, min: 61, max: 65 },
  { part: 14, epart: 94, etotal: 98, min: 65, max: 70 },
  { part: 15, epart: 95, etotal: 99, min: 71, max: 75 },
  { part: 16, epart: 96, etotal: 99, min: 76, max: 80 },
  { part: 17, epart: 97, etotal: 100, min: 81, max: 85 },
  { part: 18, epart: 98, etotal: 100, min: 86, max: 90 },
  { part: 19, epart: 99, etotal: 100, min: 81, max: 95 },
  { part: 20, epart: 100, etotal: 100, min: 96, max: 100 }
];

const reussites = [
  { code: "etotal", isPart: false, isSign: false, isSuccess: false, isEchec: true, isEPart: true, isETotal: true, ptTache: -4, ptQualite: -6, quality: "Echec total", condition: (target, roll) => roll >= target.etotal && roll <= 100 },
  { code: "epart", isPart: false, isSign: false, isSuccess: false, isEchec: true, isEPart: true, isETotal: false, ptTache: -2, ptQualite: -4, quality: "Echec particulier", condition: (target, roll) => (roll >= target.epart && roll < target.etotal) },
  { code: "echec", isPart: false, isSign: false, isSuccess: false, isEchec: true, isEPart: false, isETotal: false, ptTache: 0, ptQualite: -2, quality: "Echec normal", condition: (target, roll) => (roll > target.norm && roll < target.etotal) },
  { code: "norm", isPart: false, isSign: false, isSuccess: true, isEchec: false, isEPart: false, isETotal: false, ptTache: 1, ptQualite: 0, quality: "Réussite normale", condition: (target, roll) => (roll > target.sign && roll <= target.norm) },
  { code: "sign", isPart: false, isSign: true, isSuccess: true, isEchec: false, isEPart: false, isETotal: false, ptTache: 2, ptQualite: 1, quality: "Réussite significative", condition: (target, roll) => (roll > target.part && roll <= target.sign) },
  { code: "part", isPart: true, isSign: true, isSuccess: true, isEchec: false, isEPart: false, isETotal: false, ptTache: 3, ptQualite: 2, quality: "Réussite Particulière!", condition: (target, roll) => (roll > 0 && roll <= target.part) },
  { code: "error", isPart: false, isSign: false, isSuccess: false, isEchec: true, isEPart: true, isETotal: true, ptTache: 0, ptQualite: 0, quality: "Jet de dés invalide", condition: (target, roll) => (roll <= 0 || roll > 100) }
];

/* -------------------------------------------- */
const reussiteSignificative = reussites.find(r => r.code == "sign");
const reussiteNormale = reussites.find(r => r.code == "norm");
const echecNormal = reussites.find(r => r.code == "echec");
const caracMaximumResolution = 60;
/* -------------------------------------------- */
export class RdDResolutionTable {
  static resolutionTable = this.build()

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

  /* -------------------------------------------- */
  static getResultat(code) {
    let resultat = reussites.find(r => code == r.code);
    if (resultat == undefined) {
      resultat = reussites.find(r => r.code == "error");
    }
    return resultat;
  }

  /* -------------------------------------------- */
  static explain(rolled) {
    let message = "<br>Jet : <strong>" + rolled.roll + "</strong> sur " + rolled.score + "% ";
    if (rolled.caracValue != null && rolled.finalLevel != null) {
      message += (rolled.diviseur > 1 ? `(1/${rolled.diviseur} de ` : "(")
        + rolled.caracValue + " à " + Misc.toSignedString(rolled.finalLevel) + ") ";
    }
    message += '<strong>' + rolled.quality + '</strong>'
    return message;
  }

  /* -------------------------------------------- */
  static async buildRollDataHtml(rollData, template = 'chat-resultat-general.html') {
    rollData.ajustements = RdDResolutionTable._buildAjustements(rollData);
    rollData.show = rollData.show || {};

    return await renderTemplate(`systems/foundryvtt-reve-de-dragon/templates/${template}`, rollData);
  }

  /* -------------------------------------------- */
  static async displayRollData(rollData, userName, template = 'chat-resultat-general.html') {

    ChatUtility.chatWithRollMode(
      { content: await RdDResolutionTable.buildRollDataHtml(rollData, template) },
      userName)
  }

  static _buildAjustements(rollData) {
    let list = [];
    if (rollData.competence) {
      list.push({ label: rollData.competence.name, value: rollData.competence.data.niveau });
    }
    if (rollData.tactique) {
      const surprise = RdDBonus.find(rollData.tactique);
      list.push({ label: surprise.descr, value: surprise.attaque });
    }
    if (rollData.surpriseDefenseur) {
      const surprise = RdDBonus.find(rollData.surpriseDefenseur);
      list.push({ label: surprise.descr, value: surprise.attaque });
    }
    if (rollData.diffLibre != undefined) {
      const label = rollData.selectedSort ? rollData.selectedSort.name : 'Libre';
      list.push({ label: label, value: rollData.diffLibre });
    }
    if (rollData.diffConditions != undefined) {
      list.push({ label: 'Conditions', value: rollData.diffConditions });
    }
    if (rollData.etat != undefined) {
      list.push({ label: 'Etat', value: rollData.etat });
    }
    if (rollData.selectedCarac != undefined && rollData.moral != undefined && rollData.selectedCarac.label == 'Volonté') {
      list.push({ label: 'Moral', value: rollData.selectedCarac != undefined && rollData.moral != undefined && rollData.selectedCarac.label == 'Volonté' ? rollData.moral : undefined });
    }
    if (RdDResolutionTable.isAjustementAstrologique(rollData)) {
      list.push({ label: 'Astrologique', value: rollData.ajustementAstrologique || 0 });
    }
    if (rollData.rolled.bonus && rollData.selectedSort) {
      list.push({ descr: `Bonus de case: ${rollData.rolled.bonus}%` });
    }
    if (rollData.diviseur > 1) {
      list.push({ descr: `Facteur significative &times;${RdDResolutionTable._getFractionHtml(rollData.diviseur)}` });
    }
    if (RdDCombat.isAttaqueFinesse(rollData.attackerRoll)) {
      list.push({ descr: 'Attaque particulière en finesse' });
    }
    if (rollData.needParadeSignificative) {
      const catAttaque = RdDItemArme.getNomCategorieParade(rollData.attackerRoll.arme);
      const catParade = RdDItemArme.getNomCategorieParade(rollData.arme);
      list.push({ descr: `${catAttaque} vs ${catParade}` });
    }
    if (rollData.surprise) {
      list.push({ descr: RdDBonus.find(rollData.surprise).descr });
    }
    return list;
  }
  static _getFractionHtml(diviseur) {
    if (!diviseur || diviseur <= 1) return undefined;
    switch (diviseur || 1) {
      case 2: return '&frac12;';
      case 4: return '&frac14;';
      default: return '1/' + diviseur;
    }
  }

  /* -------------------------------------------- */
  static async rollData(rollData) {
    rollData.rolled = await this.roll(rollData.caracValue, rollData.finalLevel, rollData.bonus, rollData.diviseur, rollData.showDice);
    return rollData;
  }

  /* -------------------------------------------- */
  static async roll(caracValue, finalLevel, bonus = undefined, diviseur = undefined, showDice = true) {
    let chances = this.computeChances(caracValue, finalLevel);
    this._updateChancesWithBonus(chances, bonus);
    this._updateChancesFactor(chances, diviseur);
    chances.showDice = showDice;

    let rolled = await this.rollChances(chances);
    rolled.caracValue = caracValue;
    rolled.finalLevel = finalLevel;
    rolled.bonus = bonus;
    rolled.factorHtml = RdDResolutionTable._getFractionHtml(diviseur);
    return rolled;
  }

  /* -------------------------------------------- */
  static _updateChancesFactor(chances, diviseur) {
    if (diviseur && diviseur > 1) {
      let newScore = Math.floor(Number(chances.score) / diviseur);
      mergeObject(chances, this._computeCell(null, newScore), { overwrite: true });
    }
  }

  /* -------------------------------------------- */
  static _updateChancesWithBonus(chances, bonus) {
    if (bonus) {
      let newScore = Number(chances.score) + Number(bonus);
      mergeObject(chances, this._computeCell(null, newScore), { overwrite: true });
    }
  }

  /* -------------------------------------------- */
  static async rollChances(chances) {
    let myRoll = new Roll("1d100").roll();
    myRoll.showDice = chances.showDice;
    await RdDDice.show(myRoll);
    chances.roll = myRoll.total;
    mergeObject(chances, this._computeReussite(chances, chances.roll));
    return chances;
  }

  /* -------------------------------------------- */
  static computeChances(caracValue, difficulte) {
    if (difficulte < -16) {
      return duplicate(levelImpossible);
    }
    if (difficulte < -10) {
      return duplicate(levelDown.find(levelData => levelData.level == difficulte));
    }
    return duplicate(RdDResolutionTable.resolutionTable[caracValue][difficulte + 10]);
  }

  static isAjustementAstrologique(rollData) {
    if (rollData.selectedCarac && rollData.selectedCarac.label.toLowerCase().includes('chance')) {
      return true;
    }
    if (rollData.selectedSort && rollData.selectedSort.data.isrituel) {
      return true;
    }
    return false;
  }

  /* -------------------------------------------- */
  static isEchec(rollData) {
    switch (rollData.surprise) {
      case 'demi': return !rollData.rolled.isSign;
      case 'totale': return true;
    }
    return rollData.rolled.isEchec;
  }

  /* -------------------------------------------- */
  static isEchecTotal(rollData) {
    if (rollData.arme && rollData.surprise == 'demi') {
      return rollData.rolled.isEchec;
    }
    return rollData.rolled.isETotal;
  }

  /* -------------------------------------------- */
  static isParticuliere(rollData) {
    if (rollData.arme && rollData.surprise) {
      return false;
    }
    return rollData.rolled.isPart;
  }

  /* -------------------------------------------- */
  static isReussite(rollData) {
    switch (rollData.surprise) {
      case 'demi': return rollData.rolled.isSign;
      case 'totale': return false;
    }
    return rollData.rolled.isSuccess;
  }

  /* -------------------------------------------- */
  static _computeReussite(chances, roll) {
    return reussites.find(x => x.condition(chances, roll));
  }

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

  /* -------------------------------------------- */
  static _computeCell(niveau, percentage) {
    return {
      niveau: niveau,
      score: percentage,
      norm: Math.min(99, percentage),
      sign: this._reussiteSignificative(percentage),
      part: this._reussitePart(percentage),
      epart: this._echecParticulier(percentage),
      etotal: this._echecTotal(percentage)
    };
  }

  /* -------------------------------------------- */
  static _reussiteSignificative(percentage) {
    return Math.floor(percentage / 2);
  }

  /* -------------------------------------------- */
  static _reussitePart(percentage) {
    return Math.ceil(percentage / 5);
  }

  /* -------------------------------------------- */
  static _echecParticulier(percentage) {
    const epart = Math.ceil(percentage / 5) + 80;
    return epart >= 100 ? 101 : epart;
  }

  /* -------------------------------------------- */
  static _echecTotal(percentage) {
    const etotal = Math.ceil(percentage / 10) + 91;
    return percentage >= 100 ? 101 : Math.min(etotal, 100);
  }

  /* -------------------------------------------- */
  static buildHTMLResults(caracValue, levelValue) {
    let cell = this.computeChances(caracValue, levelValue);
    cell.epart = cell.epart>99? 'N/A' : cell.epart;
    cell.etotal = cell.etotal>100? 'N/A' : cell.etotal;
    cell.score = Math.min(cell.score, 99);

    return `
<span class="span-valeur competence-label">
Particulière: <span class="rdd-roll-part">${cell.part}</span>
- Significative: <span class="rdd-roll-sign">${cell.sign}</span>
- Réussite: <span class="rdd-roll-norm">${cell.score}</span>
- Echec Particulier: <span class="rdd-roll-epart">${cell.epart}</span>
- Echec Total: <span class="rdd-roll-etotal">${cell.etotal}</span>
</span>
`
  }

  /* -------------------------------------------- */
  static buildHTMLTableExtract(caracValue, levelValue) {
    return this.buildHTMLTable(caracValue, levelValue, caracValue - 2, caracValue + 2, levelValue - 5, levelValue + 5)
  }

  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) {
    let countColonnes = maxLevel - minLevel;
    minCarac = Math.max(minCarac, 1);
    maxCarac = Math.min(maxCarac, caracMaximumResolution);
    minLevel = Math.max(minLevel, -10);
    maxLevel = Math.max(Math.min(maxLevel, 22), minLevel + countColonnes);

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

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

  /* -------------------------------------------- */
  static _buildHTMLHeader(dataRow, minLevel, maxLevel) {
    let tr = $("<tr/>");

    if (minLevel > -8) {
      tr.append($("<th class='table-resolution-level'/>").text("-8"))
    }
    if (minLevel > -7) {
      tr.append($("<th class='table-resolution-level'/>").text("..."));
    }
    for (let difficulte = minLevel; difficulte <= maxLevel; difficulte++) {
      tr.append($("<th class='table-resolution-level'/>").text(Misc.toSignedString(difficulte)));
    }
    return tr;
  }

  /* -------------------------------------------- */
  static _buildHTMLRow(dataRow, rowIndex, caracValue, levelValue, minLevel, maxLevel) {
    let tr = $("<tr/>");
    let max = maxLevel;

    if (minLevel > -8) {
      let score = dataRow[-8 + 10].score;
      tr.append($("<td class='table-resolution-carac'/>").text(score))
    }
    if (minLevel > -7) {
      tr.append($("<td/>"))
    }
    for (let difficulte = minLevel; difficulte <= max; difficulte++) {
      let 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;
  }

}