/**
 * Extend the base Dialog entity by defining a custom window to perform spell.
 * @extends {Dialog}
 */
import { RdDUtility } from "./rdd-utility.js";
import { TMRUtility } from "./tmr-utility.js";
import { RdDRollTables } from "./rdd-rolltables.js";
import { RdDResolutionTable } from "./rdd-resolution-table.js";

/* -------------------------------------------- */
const tmrConstants = {
  col1_y: 30,
  col2_y: 55,
  cellw: 55,
  cellh: 55,
  gridx: 28,
  gridy: 28
}

/* -------------------------------------------- */
export class RdDTMRDialog extends Dialog {

  /* -------------------------------------------- */
  constructor(html, actor, tmrData, viewOnly) {
    const dialogConf = {
      title: "Terres Médianes de Rêve",
      content: html,
      buttons: {
        closeButton: { label: "Fermer", callback: html => this.close(html) }
      },
      default: "closeButton"
    }

    const dialogOptions = {
      classes: ["tmrdialog"],
      width: 920, height: 980,
      'z-index': 20
    }
    super(dialogConf, dialogOptions);

    this.tmrdata = duplicate(tmrData);
    this.actor = actor;
    this.actor.tmrApp = this; // reference this app in the actor structure
    this.viewOnly = viewOnly
    this.nbFatigue = this.viewOnly ? 0 : 1; // 1 premier point de fatigue du à la montée
    this.rencontresExistantes = duplicate(this.actor.data.data.reve.rencontre.list);
    this.sortReserves = duplicate(this.actor.data.data.reve.reserve.list);
    this.allTokens = [];
    this.rencontreState = 'aucune';
    this.pixiApp = new PIXI.Application({ width: 720, height: 860 });
  }

  /* -------------------------------------------- */
  close() {
    this.actor.santeIncDec("fatigue", this.nbFatigue).then(super.close()); // moving 1 cell costs 1 fatigue
    this.actor.tmrApp = undefined; // Cleanup reference
  }

  /* -------------------------------------------- */
  displaySortReserve() {
    console.debug("displaySortReserve", this.sortReserves);
    for (let sort of this.sortReserves) {
      this._trackToken(this._tokenSortEnReserve(sort));
    }
  }

  /* -------------------------------------------- */
  displayPreviousRencontres() {
    console.debug("displayPreviousRencontres", this.rencontresExistantes);
    for (let rencontre of this.rencontresExistantes) {
      this._trackToken(this._tokenRencontre(rencontre));
    }
  }

  /* -------------------------------------------- */
  updatePreviousRencontres() {
    this._removeTokens(t => t.rencontre != undefined);
    this.rencontresExistantes = duplicate(this.actor.data.data.reve.rencontre.list);
    this.displayPreviousRencontres();
  }

  /* -------------------------------------------- */
  updateSortReserve() {
    this._removeTokens(t => t.sort != undefined);
    this.sortReserves = duplicate(this.actor.data.data.reve.reserve.list);
    this.displaySortReserve();
  }

  /* -------------------------------------------- */
  async derober() {
    await this.actor.addTMRRencontre(this.currentRencontre);
    console.log("-> derober", this.currentRencontre);
    this._tellToGM(this.actor.name + " s'est dérobé et quitte les TMR.");
    this.close();
  }
  /* -------------------------------------------- */
  async refouler(data) {
    this._tellToGM(this.actor.name + " a refoulé une rencontre.");
    await this.actor.deleteTMRRencontreAtPosition(); // Remove the stored rencontre if necessary
    let result = await this.actor.ajouterRefoulement(1);
    this.updatePreviousRencontres();
    console.log("-> refouler", this.currentRencontre)
    this.updateValuesDisplay();
    this.nettoyerRencontre();
  }

  /* -------------------------------------------- */
  colorierZoneRencontre( locList) {
    this.currentRencontre.graphics = []; // Keep track of rectangles to delete it
    this.currentRencontre.locList = duplicate(locList); // And track of allowed location
    for (let loc of locList) {
      let rect = this._getCaseRectangleCoord( loc);
      var rectDraw = new PIXI.Graphics();
      rectDraw.beginFill(0xFFFF00, 0.3);
      // set the line style to have a width of 5 and set the color to red
      rectDraw.lineStyle(5, 0xFF0000);
      // draw a rectangle
      rectDraw.drawRect(rect.x, rect.y, rect.w, rect.h);
      this.pixiApp.stage.addChild(rectDraw);
      this.currentRencontre.graphics.push(rectDraw); // garder les objets pour gestion post-click
    }
  }

  /* -------------------------------------------- */
  /** Gère les rencontres avec du post-processing graphique (passeur, messagers, tourbillons, ...) */
  rencontrePostProcess( rencontreData) {
    if (!rencontreData) return; // Sanity check
    this.rencontreState = rencontreData.state; // garder la trace de l'état en cours
    
    if ( this.rencontreState == 'passeur') {
      console.log("Processing passeur");
      // Récupère la liste des cases à portées
      let locList = TMRUtility.getTMRArea(this.actor.data.data.reve.tmrpos.coord, this.currentRencontre.force, tmrConstants );
      this.colorierZoneRencontre( locList );
    } else if ( this.rencontreState == 'messager') {
      console.log("Processing messager");
      // Récupère la liste des cases à portées
      let locList = TMRUtility.getTMRArea(this.actor.data.data.reve.tmrpos.coord, this.currentRencontre.force, tmrConstants );
      this.colorierZoneRencontre( locList );
    } else {
      this.currentRencontre = undefined; // Cleanup, not used anymore
    }
  }

  /* -------------------------------------------- */
  async maitriser(data) {
    this.actor.deleteTMRRencontreAtPosition(); // Remove the stored rencontre if necessary    
    this.updatePreviousRencontres();

    const draconic = this.actor.getBestDraconic();
    const carac = this.actor.getReveActuel();
    // TODO: ajouter l'état général? 
    const etatGeneral = this.actor.data.data.compteurs.etat.value
    const difficulte = draconic.data.niveau - this.currentRencontre.force;
    console.log("Maitriser", carac, draconic.data.niveau, this.currentRencontre.force);

    let rolled = RdDResolutionTable.roll(carac, difficulte);
    let message = "<br><strong>Test : Rêve actuel / " + draconic.name + " / " + this.currentRencontre.name + "</strong>" + "<br>"
      + RdDResolutionTable.explain(rolled);

    let rencontreData
    if (rolled.isEchec) {
      rencontreData =  await TMRUtility.processRencontreEchec(this.actor, this.currentRencontre, rolled, this);
      message += rencontreData.message;
      this._tellToUser("Vous avez <strong>échoué</strong> à maîtriser un " + this.currentRencontre.name + " de force " + this.currentRencontre.force
            + message);
      if (this.currentRencontre.data.quitterTMR) // Selon les rencontres, quitter TMR ou pas
        this.close();
    } else {
      rencontreData = await TMRUtility.processRencontreReussite(this.actor, this.currentRencontre, rolled);
      message += rencontreData.message;
      this._tellToUser("Vous avez <strong>réussi</strong> à maîtriser un " + this.currentRencontre.name + " de force " + this.currentRencontre.force + message);
    }

    this.rencontrePostProcess( rencontreData );

    console.log("-> matriser", this.currentRencontre);
    this.updateValuesDisplay();
  }

  /* -------------------------------------------- */
  _tellToUser(message) {
    ChatMessage.create({ title: "TMR", content: message, user: game.user._id });
  }

  /* -------------------------------------------- */
  _tellToGM(message) {
    ChatMessage.create({ title: "TMR", content: message, user: game.user._id, whisper: ChatMessage.getWhisperRecipients("GM") });
  }
  
  /* -------------------------------------------- */
  async manageRencontre(coordTMR, cellDescr) {
    if (this.viewOnly) {
      return;
    }
    this.currentRencontre = undefined;
    let rencontre = this.rencontresExistantes.find(prev => prev.coord == coordTMR);
    if (rencontre == undefined) {
      let myRoll = new Roll("d7").roll();
      if (myRoll.total == 7) {
        rencontre = await TMRUtility.rencontreTMRRoll(coordTMR, cellDescr);
      }
    }
    //rencontre = await TMRUtility.rencontreTMRRoll(coordTMR, cellDescr);
    
    if (rencontre) { // Manages it
      if (rencontre.rencontre) rencontre = rencontre.rencontre; // Manage stored rencontres
      console.log("manageRencontre", rencontre)
      this.currentRencontre = duplicate(rencontre);

      let dialog = new Dialog({
        title: "Rencontre en TMR!",
        content: "Vous recontrez un " + rencontre.name + " de force " + rencontre.force + "<br>",
        buttons: {
          derober: { icon: '<i class="fas fa-check"></i>', label: "Se dérober", callback: () => this.derober() },
          refouler: { icon: '<i class="fas fa-check"></i>', label: "Refouler", callback: () => this.refouler() },
          maitiser: { icon: '<i class="fas fa-check"></i>', label: "Maîtriser", callback: () => this.maitriser() }
        },
        default: "derober"
      });
      dialog.render(true);
    }
  }

  /* -------------------------------------------- */
  performRoll(html) {
    if (this.viewOnly) {
      return;
    }
    this.actor.performRoll(this.rollData);
  }

  /* -------------------------------------------- */
  updateValuesDisplay() {
    let ptsreve = document.getElementById("pointsreve-value");
    ptsreve.innerHTML = this.actor.data.data.reve.reve.value;

    let tmrpos = document.getElementById("tmr-pos");
    let tmr = TMRUtility.getTMRDescription(this.actor.data.data.reve.tmrpos.coord);
    //console.log("updateValuesDisplay", this.actor.data.data.reve.tmrpos, tmr);
    tmrpos.innerHTML = this.actor.data.data.reve.tmrpos.coord + " (" + tmr.label + ")";

    let etat = document.getElementById("etatgeneral-value");
    etat.innerHTML = this.actor.data.data.compteurs.etat.value;

    let refoulement = document.getElementById("refoulement-value");
    refoulement.innerHTML = this.actor.data.data.reve.refoulement.value;

    let fatigueItem = document.getElementById("fatigue-table");
    fatigueItem.innerHTML = "<table class='table-fatigue'>" + RdDUtility.makeHTMLfatigueMatrix(this.actor.data.data.sante.fatigue.value, this.actor.data.data.sante.endurance.max).html() + "</table>";
  }

  /* -------------------------------------------- */
  manageCaseHumideResult() {
    if (this.toclose)
      this.close();
  }

  /* -------------------------------------------- */
  async manageCaseHumide(cellDescr) {
    if (this.viewOnly) {
      return;
    }
    if (cellDescr.type == "lac" || cellDescr.type == "fleuve" || cellDescr.type == "marais") {
      let draconic = this.actor.getBestDraconic();

      let carac = this.actor.getReveActuel();
      // TODO: ajouter l'état général? 
      const etatGeneral = this.actor.data.data.compteurs.etat.value
      let difficulte = draconic.data.niveau - 7;
      let rolled = RdDResolutionTable.roll(carac, difficulte);

      console.log("manageCaseHumide >>", rolled);

      let explication = "";
      this.toclose = rolled.isEchec;
      if (rolled.isEchec) {
        explication += "Vous êtes entré sur une case humide, et vous avez <strong>raté</strong> votre maîtrise ! Vous <strong>quittez les Terres Médianes</strong> !"
      }
      else {
        explication += "Vous êtes entré sur une case humide, et vous avez <strong>réussi</strong> votre maîtrise !"
      }
      explication += "<br><strong>Test : Rêve actuel / " + draconic.name + " / " + cellDescr.type + "</strong>"
        + RdDResolutionTable.explain(rolled);

      if (rolled.isETotal) {
        let souffle = RdDRollTables.getSouffle();
        explication += "<br>Vous avez fait un Echec Total. Vous subissez un Souffle de Dragon : " + souffle.name;
        this.actor.createOwnedItem(souffle);
      }
      if (rolled.isPart) {
        explication += "<br>Vous avez fait une Réussite Particulière";
        explication += RdDResolutionTable.buildXpMessage(rolled, difficulte)
      }

      let humideDiag = new Dialog({
        title: "Case humide",
        content: explication,
        buttons: {
          choice: { icon: '<i class="fas fa-check"></i>', label: "Fermer", callback: () => this.manageCaseHumideResult() }
        }
      }
      );
      humideDiag.render(true);
    }
  }

  /* -------------------------------------------- */
  async declencheSortEnReserve(coordTMR) {
    if (this.viewOnly) {
      return;
    }
    let sortReserve = this.sortReserves.find(it => it.coord == coordTMR)
    if (sortReserve != undefined) {
      await this.actor.deleteSortReserve(sortReserve.coord);
      this.updateSortReserve();
      console.log("declencheSortEnReserve", sortReserve)
      const declenchementSort = "Vous avez déclenché le sort <strong>" + sortReserve.sort.name
        + "</strong> en réserve en " + sortReserve.coord + " (" + TMRUtility.getTMRDescription(sortReserve.coord).label
        + ") avec " + sortReserve.sort.ptreve_reel + " points de Rêve";
      this._tellToUser(declenchementSort);
      this.close();
    }
  }

  /* -------------------------------------------- */
  nettoyerRencontre( ) {
    if ( !this.currentRencontre) return; // Sanity check
    if ( this.currentRencontre.graphics) {
      for (let drawRect of this.currentRencontre.graphics) { // Suppression des dessins des zones possibles
        this.pixiApp.stage.removeChild( drawRect ); 
      }
    }
    this.currentRencontre = undefined; // Nettoyage de la structure
    this.rencontreState = 'aucune'; // Et de l'état
  }

  /* -------------------------------------------- */
  processClickPostRencontre( coord ) {
    let deplacementType = "erreur";
    if (this.rencontreState == 'passeur' || this.rencontreState == 'messager') {
      console.log("Searching", this.currentRencontre.locList, coord);
      let isInArea = this.currentRencontre.locList.find(locCoord => locCoord == coord );
      if ( isInArea ) { // OK !
        deplacementType = (this.rencontreState == 'messager') ? 'messager' : 'saut';
      }      
    }
    return deplacementType;
  }

  /* -------------------------------------------- */
  async deplacerDemiReve(event) {
    if (this.viewOnly) {
      return;
    }
    let origEvent = event.data.originalEvent;
    let myself = event.target.tmrObject;

    let eventCoord = RdDTMRDialog._computeEventCoord(origEvent);
    let cellx = eventCoord.cellx;
    let celly = eventCoord.celly;
    console.log("deplacerDemiReve >>>>", cellx, celly);
    let currentPos = TMRUtility.convertToCellCoord(myself.actor.data.data.reve.tmrpos.coord);
    let coordTMR = TMRUtility.convertToTMRCoord(cellx, celly);
    
    // Validation de la case de destination (gestion du cas des rencontres qui peuvent téléporter)
    let deplacementType = 'erreur';
    if ( myself.rencontreState == 'aucune') { // Pas de recontre en post-processing, donc deplacement normal
      if ( !RdDTMRDialog._horsDePortee(currentPos, cellx, celly) ) {
        deplacementType = 'normal';
      }
    } else {
      deplacementType = myself.processClickPostRencontre( coordTMR );
    }
    // Si le deplacement est valide
    if ( deplacementType == 'normal' || deplacementType == 'saut') {
      if ( myself.currentRencontre != 'normal' ) 
        myself.nettoyerRencontre();
      let cellDescr = TMRUtility.getTMRDescription(coordTMR);

      console.log("deplacerDemiReve: TMR column is", coordTMR, cellx, celly, cellDescr, this);

      let tmrPos = duplicate(myself.actor.data.data.reve.tmrpos);
      tmrPos.coord = coordTMR;
      await myself.actor.update({ "data.reve.tmrpos": tmrPos });
      myself._updateDemiReve(myself);
      myself.nbFatigue += 1;
      myself.updateValuesDisplay();

      if ( deplacementType == 'normal') { // Pas de rencontres après un saut de type passeur/changeur/...
        myself.manageRencontre(coordTMR, cellDescr);
      }
      myself.manageCaseHumide(cellDescr);
      await myself.declencheSortEnReserve(coordTMR);

    } else if (deplacementType == 'messager') { // Dans ce cas, ouverture du lancement de sort sur la case visée
      myself.actor.rollUnSort( coordTMR );
      myself.nettoyerRencontre();
    
    } else {
      ui.notifications.error("Vous ne pouvez vous déplacer que sur des cases adjacentes à votre position ou valides dans le cas d'une rencontre");
      console.log("STATUS :", myself.rencontreState, myself.currentRencontre);
    }
  }

  /* -------------------------------------------- */
  async forceDemiRevePosition( coordTMR ) {
    await this.actor.updateCoordTMR(coordTMR);
    this._updateDemiReve(this);
    let cellDescr = TMRUtility.getTMRDescription(coordTMR);
    this.manageRencontre(coordTMR, cellDescr);
    this.manageCaseHumide(cellDescr);
    await this.declencheSortEnReserve(coordTMR);
  }

  /* -------------------------------------------- */
  async activateListeners(html) {
    super.activateListeners(html);

    var row = document.getElementById("tmrrow1");
    var cell1 = row.insertCell(1);
    cell1.append(this.pixiApp.view);

    if (this.viewOnly) {
      html.find('#lancer-sort').remove();
    }
    else {
      // Roll Sort
      html.find('#lancer-sort').click((event) => {
        this.actor.rollUnSort(this.actor.data.data.reve.tmrpos.coord);
      });
    }

    // load the texture we need
    await this.pixiApp.loader
      .add('tmr', 'systems/foundryvtt-reve-de-dragon/styles/img/ui/tmp_main_r1.webp')
      .add('demi-reve', "icons/svg/sun.svg")
      .load((loader, resources) => {

        // This creates a texture from a TMR image
        const mytmr = new PIXI.Sprite(resources.tmr.texture);
        // Setup the position of the TMR
        mytmr.x = 0;
        mytmr.y = 0;
        mytmr.width = 720;
        mytmr.height = 860;
        // Rotate around the center
        mytmr.anchor.x = 0;
        mytmr.anchor.y = 0;
        mytmr.interactive = true;
        mytmr.buttonMode = true;
        mytmr.tmrObject = this;
        if (!this.viewOnly) {
          mytmr.on('pointerdown', this.deplacerDemiReve);
        }
        this.pixiApp.stage.addChild(mytmr);

        this._addDemiReve();
        this.displayPreviousRencontres();
        this.displaySortReserve();

      });

    if (this.viewOnly) {
      return;
    }
    await this.actor.updatePointsDeReve((this.tmrdata.isRapide) ? -2 : -1); // 1 point defatigue
    this.updateValuesDisplay();
    let cellDescr = TMRUtility.getTMRDescription(this.actor.data.data.reve.tmrpos.coord);
    this.manageRencontre(this.actor.data.data.reve.tmrpos.coord, cellDescr);
    this.manageCaseHumide(cellDescr);
  }

  /* -------------------------------------------- */
  static _computeEventCoord(origEvent) {
    let canvasRect = origEvent.target.getBoundingClientRect();
    let x = origEvent.clientX - canvasRect.left;
    let y = origEvent.clientY - canvasRect.top;
    let cellx = Math.floor(x / tmrConstants.cellw); //  [From 0 -> 12]
    y -= (cellx % 2 == 0) ? tmrConstants.col1_y : tmrConstants.col2_y;
    let celly = Math.floor(y / tmrConstants.cellh); //  [From 0 -> 14]
    return { cellx, celly };
  }

  /* -------------------------------------------- */
  static _horsDePortee(pos, cellx, celly) {
    return Math.abs(cellx - pos.x) > 1
      || Math.abs(celly - pos.y) > 1
      || (pos.y == 0 && celly > pos.y && cellx != pos.x && pos.x % 2 == 0)
      || (celly == 0 && celly < pos.y && cellx != pos.x && pos.x % 2 == 1);
  }

  /* -------------------------------------------- */
  _tokenRencontre(rencontre) {
    let sprite = new PIXI.Graphics();
    sprite.beginFill(0x767610, 0.6);
    sprite.drawCircle(0, 0, 6);
    sprite.endFill();
    sprite.decallage = {
      x: (tmrConstants.cellw / 2) - 16,
      y: 16 - (tmrConstants.cellh / 2)
    };
    return { sprite: sprite, rencontre: rencontre, coordTMR: () => rencontre.coord };
  }

  /* -------------------------------------------- */
  _tokenSortEnReserve(sort) {
    let sprite = new PIXI.Graphics();
    sprite.beginFill(0x101010, 0.8);
    sprite.drawCircle(0, 0, 6);
    sprite.endFill();
    sprite.decallage = {
      x: 16 - (tmrConstants.cellw / 2),
      y: 16 - (tmrConstants.cellh / 2)
    }
    return { sprite: sprite, sort: sort, coordTMR: () => sort.coord }
  }

  /* -------------------------------------------- */
  _tokenDemiReve() {
    let texture = PIXI.utils.TextureCache['demi-reve'];
    let sprite = new PIXI.Sprite(texture);
    sprite.width = tmrConstants.cellw * 0.7;
    sprite.height = tmrConstants.cellh * 0.7;
    sprite.anchor.set(0.5);
    sprite.tint = 0x00FFEE;
    return { sprite: sprite, actor: this.actor, coordTMR: () => this.actor.data.data.reve.tmrpos.coord }
  }

  /* -------------------------------------------- */
  _addDemiReve() {
    this.demiReve = this._tokenDemiReve();
    this._setTokenPosition(this.demiReve);
    this.pixiApp.stage.addChild(this.demiReve.sprite);
  }

  /* -------------------------------------------- */
  _updateDemiReve(myself) {
    myself._setTokenPosition(myself.demiReve);
  }

  /* -------------------------------------------- */
  /** Retourne les coordonnées x, h, w, h du rectangle d'une case donnée */
  _getCaseRectangleCoord( coord ) {
    let coordXY = TMRUtility.convertToCellCoord( coord );
    let decallagePairImpair = (coordXY.x % 2 == 0) ? tmrConstants.col1_y : tmrConstants.col2_y;
    let x = tmrConstants.gridx + (coordXY.x * tmrConstants.cellw) - (tmrConstants.cellw /2);
    let y = tmrConstants.gridy + (coordXY.y * tmrConstants.cellh) - (tmrConstants.cellh /2) + decallagePairImpair;
    return {x: x, y: y, w: tmrConstants.cellw, h: tmrConstants.cellh}
  }

  /* -------------------------------------------- */
  _setTokenPosition(token) {
    let coordXY = TMRUtility.convertToCellCoord(token.coordTMR());
    let decallagePairImpair = (coordXY.x % 2 == 0) ? tmrConstants.col1_y : tmrConstants.col2_y;
    let dx = (token.sprite.decallage == undefined) ? 0 : token.sprite.decallage.x;
    let dy = (token.sprite.decallage == undefined) ? 0 : token.sprite.decallage.y;
    token.sprite.x = tmrConstants.gridx + (coordXY.x * tmrConstants.cellw) + dx;
    token.sprite.y = tmrConstants.gridy + (coordXY.y * tmrConstants.cellh) + dy + decallagePairImpair;
  }

  /* -------------------------------------------- */
  _removeTokens(filter) {
    const tokensToRemove = this.allTokens.filter(filter);
    for (let token of tokensToRemove) {
      this.pixiApp.stage.removeChild(token.sprite);
    }
  }

  /* -------------------------------------------- */
  _trackToken(token) {
    this.allTokens.push(token)
    this._setTokenPosition(token);
    this.pixiApp.stage.addChild(token.sprite);
  }

}