import gems from "./gems.png";
import Match3 from "./match3";
import bg from "./bg.jpg";
import "../../font.css";
const gameOptions = {
  gemSize: 260,
  frameSize: 238,
  swapSpeed: 200,
  fallSpeed: 100,
  destroySpeed: 200,
  boardOffset: {
    x: 300,
    y: 520,
  },
};
export default class playGame extends Phaser.Scene {
  constructor() {
    super("scene");
  }
  preload() {
    this.load.image("bg", bg);
    this.load.spritesheet("gems", gems, {
      frameWidth: gameOptions.frameSize,
      frameHeight: gameOptions.frameSize,
    });
  }
  updateTexts() {
    this.score.text = this.scoreNum;
    this.moves.text = this.moveNum;
  }
  create() {
    const bg = this.add.image(
      this.game.config.width / 2,
      this.game.config.height / 2,
      "bg"
    );
    bg.displayWidth = this.game.config.width;
    bg.displayHeight = this.game.config.height;
    this.scoreNum = 0;
    this.moveNum = 30;
    this.score = this.add.text(700, 320, this.scoreNum, {
      fontSize: 100,
      fontFamily: "game",
      color: "#3aab7d",
    });
    this.moves = this.add.text(1552, 320, this.moveNum, {
      fontSize: 100,
      fontFamily: "game",
      color: "#3aab7d",
    });
    this.match3 = new Match3({
      rows: 6,
      columns: 6,
      items: 6,
    });
    this.match3.generateField();
    this.canPick = true;
    this.dragging = false;
    this.drawField();
    this.input.on("pointerdown", this.gemSelect, this);
  }
  drawField() {
    this.poolArray = [];
    for (let i = 0; i < this.match3.getRows(); i++) {
      for (let j = 0; j < this.match3.getColumns(); j++) {
        let gemX =
          gameOptions.boardOffset.x +
          gameOptions.gemSize * j +
          gameOptions.gemSize / 2;
        let gemY =
          gameOptions.boardOffset.y +
          gameOptions.gemSize * i +
          gameOptions.gemSize / 2;
        let gem = this.add.sprite(
          gemX,
          gemY,
          "gems",
          this.match3.valueAt(i, j)
        );
        this.match3.setCustomData(i, j, gem);
      }
    }
  }
  gemSelect(pointer) {
    if (this.canPick) {
      this.dragging = true;
      let row = Math.floor(
        (pointer.y - gameOptions.boardOffset.y) / gameOptions.gemSize
      );
      let col = Math.floor(
        (pointer.x - gameOptions.boardOffset.x) / gameOptions.gemSize
      );
      if (this.match3.validPick(row, col)) {
        let selectedGem = this.match3.getSelectedItem();
        if (!selectedGem) {
          this.match3.customDataOf(row, col).setScale(1.2);
          this.match3.customDataOf(row, col).setDepth(1);
          this.match3.setSelectedItem(row, col);
        } else {
          if (
            this.match3.areTheSame(
              row,
              col,
              selectedGem.row,
              selectedGem.column
            )
          ) {
            this.match3.customDataOf(row, col).setScale(1);
            this.match3.deleselectItem();
          } else {
            if (
              this.match3.areNext(row, col, selectedGem.row, selectedGem.column)
            ) {
              this.match3
                .customDataOf(selectedGem.row, selectedGem.column)
                .setScale(1);
              this.match3.deleselectItem();
              if (this.moveNum === 0) {
                return this.game.onLose && this.game.onLose();
              }
              this.moveNum--;
              this.updateTexts();
              this.swapGems(
                row,
                col,
                selectedGem.row,
                selectedGem.column,
                true
              );
            } else {
              this.match3
                .customDataOf(selectedGem.row, selectedGem.column)
                .setScale(1);
              this.match3.customDataOf(row, col).setScale(1.2);
              this.match3.setSelectedItem(row, col);
            }
          }
        }
      }
    }
  }
  swapGems(row, col, row2, col2, swapBack) {
    let movements = this.match3.swapItems(row, col, row2, col2);
    this.swappingGems = 2;
    this.canPick = false;
    movements.forEach(
      function (movement) {
        this.tweens.add({
          targets: this.match3.customDataOf(movement.row, movement.column),
          x:
            this.match3.customDataOf(movement.row, movement.column).x +
            gameOptions.gemSize * movement.deltaColumn,
          y:
            this.match3.customDataOf(movement.row, movement.column).y +
            gameOptions.gemSize * movement.deltaRow,
          duration: gameOptions.swapSpeed,
          callbackScope: this,
          onComplete: function () {
            this.swappingGems--;
            if (this.swappingGems == 0) {
              if (!this.match3.matchInBoard()) {
                if (swapBack) {
                  this.swapGems(row, col, row2, col2, false);
                } else {
                  this.canPick = true;
                }
              } else {
                this.handleMatches();
              }
            }
          },
        });
      }.bind(this)
    );
  }
  handleMatches() {
    let gemsToRemove = this.match3.getMatchList();
    this.scoreNum += gemsToRemove.length * 10;
    this.updateTexts();
    let destroyed = 0;
    gemsToRemove.forEach(
      function (gem) {
        this.poolArray.push(this.match3.customDataOf(gem.row, gem.column));
        destroyed++;
        this.tweens.add({
          targets: this.match3.customDataOf(gem.row, gem.column),
          alpha: 0,
          duration: gameOptions.destroySpeed,
          callbackScope: this,
          onComplete: function (event, sprite) {
            destroyed--;
            if (destroyed == 0) {
              this.makeGemsFall();
            }
          },
        });
      }.bind(this)
    );
  }
  makeGemsFall() {
    let moved = 0;
    this.match3.removeMatches();
    let fallingMovements = this.match3.arrangeBoardAfterMatch();
    fallingMovements.forEach(
      function (movement) {
        moved++;
        this.tweens.add({
          targets: this.match3.customDataOf(movement.row, movement.column),
          y:
            this.match3.customDataOf(movement.row, movement.column).y +
            movement.deltaRow * gameOptions.gemSize,
          duration: gameOptions.fallSpeed * Math.abs(movement.deltaRow),
          callbackScope: this,
          onComplete: function () {
            moved--;
            if (moved == 0) {
              this.endOfMove();
            }
          },
        });
      }.bind(this)
    );
    let replenishMovements = this.match3.replenishBoard();
    replenishMovements.forEach(
      function (movement) {
        moved++;
        let sprite = this.poolArray.pop();
        sprite.alpha = 1;
        sprite.y =
          gameOptions.boardOffset.y +
          gameOptions.gemSize * (movement.row - movement.deltaRow + 1) -
          gameOptions.gemSize / 2;
        (sprite.x =
          gameOptions.boardOffset.x +
          gameOptions.gemSize * movement.column +
          gameOptions.gemSize / 2),
          sprite.setFrame(this.match3.valueAt(movement.row, movement.column));
        this.match3.setCustomData(movement.row, movement.column, sprite);
        this.tweens.add({
          targets: sprite,
          y:
            gameOptions.boardOffset.y +
            gameOptions.gemSize * movement.row +
            gameOptions.gemSize / 2,
          duration: gameOptions.fallSpeed * movement.deltaRow,
          callbackScope: this,
          onComplete: function () {
            moved--;
            if (moved == 0) {
              this.endOfMove();
            }
          },
        });
      }.bind(this)
    );
  }
  endOfMove() {
    if (this.match3.matchInBoard()) {
      this.time.addEvent({
        delay: 250,
        callback: this.handleMatches(),
      });
    } else {
      this.canPick = true;
      this.selectedGem = null;
    }
  }
}