/*
 * --------------------------------------------------
 * MNKR_SkillChoiceScene.js
 *   Ver.0.0.6
 * Copyright (c) 2021 Munokura
 * This software is released under the MIT license.
 * http://opensource.org/licenses/mit-license.php
 * --------------------------------------------------
 */

/*:
@target MV
@url https://raw.githubusercontent.com/munokura/MNKR-MV-plugins/master/MNKR_SkillChoiceScene.js
@plugindesc Adds skill selection scenes and plugin commands for increasing and decreasing skills.
@author munokura
@license MIT License

@help
Adds a skill selection scene and plugin commands for increasing and decreasing
skills.

Skill Selection Scene
MNKR_SkillChoice select actor ID variable ID
Opens a list of skills specified by the actor ID,
and assigns the selected skill ID to the specified variable.
If canceled, assigns -1 to the specified variable.

Increase Skill
MNKR_SkillChoice learn actor ID skill ID

Decrease Skill
MNKR_SkillChoice forget actor ID skill ID

If you want to use variables as arguments, please use the following plugin in
conjunction with this.
http://newrpg.seesaa.net/article/475509661.html
NRP_EvalPluginCommand.js

Ver. 0.0.6 Added help display function
If you are upgrading, please replace the plugin file and
open the parameter setting screen from Plugin Manager.

Terms of Use:
MIT License.
http://opensource.org/licenses/mit-license.php
You may modify and redistribute this without permission from the author, and
there are no restrictions on its use (commercial, R18, etc.).

@param windowX
@text Window X coordinate
@desc Window X coordinate of the skill selection scene
@type number
@default 0

@param windowY
@text Window Y coordinate
@desc Window Y coordinate of the skill selection scene
@type number
@default 0

@param windowWidth
@text Window Width
@desc Window width for skill selection scene. If 0, maximize the screen.
@type number
@default 0

@param windowHeight
@text Window Height
@desc Window height for skill selection scene. If 0, maximize the screen.
@type number
@default 0

@param helpWindow
@text Help window display
@desc Displays the skill's help window.
@type boolean
@on display
@off hidden
@default true
*/

/*:ja
@target MV
@url https://raw.githubusercontent.com/munokura/MNKR-MV-plugins/master/MNKR_SkillChoiceScene.js
@plugindesc スキル選択シーンとスキルの増減のプラグインコマンドを追加します。
@author munokura

@help
スキル選択シーンとスキルの増減のプラグインコマンドを追加します。

スキル選択シーン
MNKR_SkillChoice select アクターID 変数ID
アクターIDで指定したスキルの一覧ウィンドウを開き、
選択したスキルのIDを指定変数に代入します。
キャンセルした場合、指定変数に-1を代入します。

スキルを増やす
MNKR_SkillChoice learn アクターID スキルID

スキルを減らす
MNKR_SkillChoice forget アクターID スキルID

引数に変数を使いたい場合、下記のプラグインを併用ください。
http://newrpg.seesaa.net/article/475509661.html
NRP_EvalPluginCommand.js

Ver.0.0.6 ヘルプ表示機能を追加
 バージョンアップされる方は、プラグインファイルを差し替え後、
 プラグイン管理からパラメーター設定画面を開いてください。

利用規約:
  MITライセンスです。
  http://opensource.org/licenses/mit-license.php
  作者に無断で改変、再配布が可能で、
  利用形態（商用、18禁利用等）についても制限はありません。

@param windowX
@text ウィンドウX座標
@type number
@default 0
@desc スキル選択シーンのウィンドウX座標

@param windowY
@text ウィンドウY座標
@type number
@default 0
@desc スキル選択シーンのウィンドウY座標

@param windowWidth
@text ウィンドウ幅
@type number
@default 0
@desc スキル選択シーンのウィンドウ幅。0の場合、画面最大にします。

@param windowHeight
@text ウィンドウ高さ
@type number
@default 0
@desc スキル選択シーンのウィンドウ高さ。0の場合、画面最大にします。

@param helpWindow
@text ヘルプウィンドウ表示
@desc スキルのヘルプウィンドウを表示します。
@type boolean
@on 表示
@off 非表示
@default true
*/

(() => {
	"use strict";

	const pluginName = document.currentScript.src.split("/").pop().replace(/\.js$/, "");
	const parameters = PluginManager.parameters(pluginName);

	const param = {};
	param.windowX = Number(parameters['windowX'] || 0);
	param.windowY = Number(parameters['windowY'] || 0);
	param.windowWidth = Number(parameters['windowWidth'] || 0);
	param.windowHeight = Number(parameters['windowHeight'] || 0);
	param.helpWindow = parameters['helpWindow'] === "true";

	const MNKR_SkillChoice = {
		choose: '',
		actorId: 0,
		selectSkillId: 0,
		variableId: 0
	};

	const _Game_Interpreter_pluginCommand = Game_Interpreter.prototype.pluginCommand;
	Game_Interpreter.prototype.pluginCommand = function (command, args) {
		_Game_Interpreter_pluginCommand.call(this, command, args);

		if (command === 'MNKR_SkillChoice') {
			MNKR_SkillChoice.choose = args[0];
			MNKR_SkillChoice.actorId = Number(args[1]);
			switch (MNKR_SkillChoice.choose) {
				case 'select':
					MNKR_SkillChoice.variableId = Number(args[2]);
					SceneManager.push(MNKR_Scene_SkillChoice);
					break;
				case 'learn':
					MNKR_SkillChoice.skillId = Number(args[2]);
					$gameActors.actor(MNKR_SkillChoice.actorId).learnSkill(MNKR_SkillChoice.skillId);
					break;
				case 'forget':
					MNKR_SkillChoice.skillId = Number(args[2]);
					$gameActors.actor(MNKR_SkillChoice.actorId).forgetSkill(MNKR_SkillChoice.skillId);
					break;
				default:
			}
		}
	};

	//-----------------------------------------------------------------------------
	// MNKR_Scene_SkillChoice

	function MNKR_Scene_SkillChoice() {
		this.initialize.apply(this, arguments);
	}

	MNKR_Scene_SkillChoice.prototype = Object.create(Scene_MenuBase.prototype);
	MNKR_Scene_SkillChoice.prototype.constructor = MNKR_Scene_SkillChoice;

	MNKR_Scene_SkillChoice.prototype.create = function () {
		Scene_MenuBase.prototype.create.call(this);
		if (param.helpWindow) {
			this.createHelpWindow();
		}
		this.createSkillChoiceWindow();
	};

	MNKR_Scene_SkillChoice.prototype.createSkillChoiceWindow = function () {
		const wx = param.windowX;
		const ww = param.windowWidth === 0 ? Graphics.boxWidth : param.windowWidth;
		let wy, wh;
		if (param.helpWindow) {
			wy = param.windowY === 0 ? this._helpWindow.height : param.windowY;
			wh = param.windowHeight === 0 ? Graphics.boxHeight - this._helpWindow.height : param.windowHeight;
		} else {
			wy = param.windowY;
			wh = param.windowHeight === 0 ? Graphics.boxHeight : param.windowHeight;
		}
		this._skillChoiceWindow = new MNKR_Window_SkillChoice(wx, wy, ww, wh);
		if (param.helpWindow) {
			this._skillChoiceWindow.setHelpWindow(this._helpWindow);
		}
		this._skillChoiceWindow.setHandler('ok', this.onItemOk.bind(this));
		this._skillChoiceWindow.setHandler('cancel', this.onItemCancel.bind(this));
		this.addWindow(this._skillChoiceWindow);
	};

	MNKR_Scene_SkillChoice.prototype.onItemOk = function () {
		MNKR_SkillChoice.selectSkillId = this._skillChoiceWindow.item().id;
		$gameVariables.setValue(MNKR_SkillChoice.variableId, MNKR_SkillChoice.selectSkillId);
		this.popScene();
	};

	MNKR_Scene_SkillChoice.prototype.onItemCancel = function () {
		$gameVariables.setValue(MNKR_SkillChoice.variableId, -1);
		this.popScene();
	};

	//-----------------------------------------------------------------------------
	// MNKR_Window_SkillChoice

	function MNKR_Window_SkillChoice() {
		this.initialize.apply(this, arguments);
	}

	MNKR_Window_SkillChoice.prototype = Object.create(Window_SkillList.prototype);
	MNKR_Window_SkillChoice.prototype.constructor = MNKR_Window_SkillChoice;

	MNKR_Window_SkillChoice.prototype.initialize = function (x, y, width, height) {
		Window_Selectable.prototype.initialize.call(this, x, y, width, height);
		this._actor = $gameActors.actor(MNKR_SkillChoice.actorId);
		this._data = this._actor.skills();
		this.refresh();
		this.select(0);
		this.activate();
	};

	MNKR_Window_SkillChoice.prototype.refresh = function () {
		Window_Selectable.prototype.refresh.call(this);
	};

	MNKR_Window_SkillChoice.prototype.drawItem = function (index) {
		const skill = this._data[index];
		if (skill) {
			var rect = this.itemRect(index);
			rect.width -= this.textPadding();
			this.drawItemName(skill, rect.x, rect.y, rect.width);
			this.changePaintOpacity(1);
		}
	};

	MNKR_Window_SkillChoice.prototype.isEnabled = function () {
		return true;
	};

})();