//=============================================================================
// CallCommonEventBeforeSkill.js
//=============================================================================

/*:
 *
 * @help
 * Usage:
 *  skill note write on "<before:CommonEvent:1>".
 *  call "common event 0001" before use skill.
 *
 */

/*:ja
 *
 * @help
 * 使い方:
 *  Skill Note <before:CommonEvent:1>
 *
 */

var Imported = Imported || {};
Imported.CallCommonEventBeforeSkill = {};

(function () {
  "use strict";

  var parameters = PluginManager.parameters("CallCommonEventBeforeSkill");

  var IsCallCommonEvent = function (item) {
    try {
      var source = item.meta.before;
    } catch (e) {
      return false;
    }
    var pattern = new RegExp("CommonEvent:(\\d+)", "g");
    return pattern.test(source);
  };

  var CallCommonEvent = function (source) {
    var pattern = new RegExp("CommonEvent:(\\d+)", "g");
    var targetId = new Number(pattern.exec(source)[1]);
    if (targetId != NaN) {
      $gameTemp.reserveCommonEvent(targetId);
      if (!$gameParty.inBattle()) {
        SceneManager.update();
      }
    }
  };

  var BeforeSkillUse = function (item) {
    try {
      var source = item.meta.before;
      CallCommonEvent(source);
    } catch (e) {}
  };

  var dummySkill = {
    animationId: 0,
    hitType: 0,
    mpCost: 0,
    tpCost: 0,
    tpGain: 0,
    iconIndex: 0,
    scope: 0,
    successRate: 100,
    speed: 0,
    requireWtypeId1: 0,
    requireWytpeId2: 0,
    reqpeats: 1,
    occasion: 0,
    message1: "",
    message2: "",
    damage: { type: 0 },
    effects: [],
  };

  var flags = [false, false];

  var Game_Battler_onAllActionsEnd = Game_Battler.prototype.onAllActionsEnd;
  Game_Battler.prototype.onAllActionsEnd = function () {
    flags = [false, false];

    Game_Battler_onAllActionsEnd.call(this);
  };

  var Game_Battler_onTrunEnd = Game_Battler.prototype.onTurnEnd;
  Game_Battler.prototype.onTurnEnd = function () {
    flags = [false, false];

    Game_Battler_onTrunEnd.call(this);
  };

  var Game_Battler_currentAction = Game_Battler.prototype.currentAction;
  Game_Battler.prototype.currentAction = function () {
    if (flags[0]) {
      return Game_Battler_currentAction.call(this);
    }
    var action = this._actions[0];
    if (action && action.isSkill() && !action.isAttack() && !action.isGuard()) {
      if (!IsCallCommonEvent(action.item())) {
        return Game_Battler_currentAction.call(this);
      }
      this._actions.unshift(action);
      flags[1] = true;
      var dummyAction = new Game_Action(this, true);
      $dataSkills.push(dummySkill);
      dummyAction.setSkill($dataSkills.length - 1);
      dummyAction._item._itemId = $dataSkills.length - 1;
      BeforeSkillUse(action.item());
      return dummyAction;
    }

    return Game_Battler_currentAction.call(this);
  };

  var Scene_Skill_useItem = Scene_Skill.prototype.useItem;
  Scene_Skill.prototype.useItem = function () {
    BeforeSkillUse(this.item());

    Scene_Skill_useItem.call(this);
  };

  var Game_Interpreter_terminate = Game_Interpreter.prototype.terminate;
  Game_Interpreter.prototype.terminate = function () {
    if (flags[1]) {
      $dataSkills.pop();
      BattleManager._subject._actions.shift();

      flags[1] = false;
      flags[0] = !flags[0];
    }

    Game_Interpreter_terminate.call(this);
  };
})();