//=============================================================================
// DebtRepayment.js
// ----------------------------------------------------------------------------
// (C)2016 Triacontane
// This software is released under the MIT License.
// http://opensource.org/licenses/mit-license.php
// ----------------------------------------------------------------------------
// Version
// 1.3.0 2025/02/08 MZで動作するよう修正
// 1.2.0 2017/05/25 借金時のウィンドウ文字色を変更できる機能を追加
// 1.1.0 2017/05/25 一定金額までは借金してお店で商品を購入できる機能を追加
// 1.0.0 2016/06/01 初版
// ----------------------------------------------------------------------------
// [X]: https://x.com/triacontane/
// [GitHub] : https://github.com/triacontane/
//=============================================================================

/*:
@target MZ
@url https://github.com/triacontane/RPGMakerMV/tree/mz_master/DebtRepayment.js
@plugindesc Money Minus Plugin
@author Triacontane
@license MIT License

@help
English Help Translator: munokura
This is an unofficial English translation of the plugin help,
created to support global RPG Maker users.
Feedback is welcome to improve translation quality
(see: https://github.com/munokura/triacontane-MZ-plugins ).
Original plugin by Triacontane.
Please check the latest official version at:
https://triacontane.blogspot.com
-----

DebtRepayment.js

Allows you to set negative amounts for your balance.
This plugin can be used to represent debt status, or to display advances or
credits for items in a store.

Terms of Use:
You may modify and redistribute this plugin without permission from the
author, and there are no restrictions on its use (commercial, 18+, etc.).
This plugin is now yours.

@param underLimitCanBuying
@text Minimum purchase amount
@desc The minimum purchase price at the store. Please specify a negative value.
@type number
@default 0
@min -99999999
@max 0

@param debtTextColor
@text Debt text color
@desc Change the text color when you are in debt in the money window.
@type color
@default 0

@param disableSwitchId
@text Prohibited Switch ID
@desc When the specified switch is ON, you will not be able to make your money negative. If not specified, you can always make your money negative.
@type switch
@default 0

@command REPAY_GOLD
@text Debt repayment
@desc If your balance is negative, reset it to zero.
*/

/*:ja
@plugindesc 所持金マイナスプラグイン
@target MZ
@url https://github.com/triacontane/RPGMakerMV/tree/mz_master/DebtRepayment.js
@base PluginCommonBase
@orderAfter PluginCommonBase
@author トリアコンタン

@param underLimitCanBuying
@text 購入可能下限金額
@desc お店で購入可能な下限の金額です。マイナス値を指定してください。
@default 0
@min -99999999
@max 0
@type number

@param debtTextColor
@text 借金文字色
@desc 所持金ウィンドウで借金時の文字色を変更します。
@default 0
@type color

@param disableSwitchId
@text 禁止スイッチID
@desc 指定したスイッチがONのとき、所持金をマイナスにできなくなります。指定がない場合、常にマイナスにできます。
@default 0
@type switch

@command REPAY_GOLD
@text 借金返済
@desc 所持金がマイナスの場合、ゼロに戻します。

@help DebtRepayment.js

所持金にマイナス値が設定可能になります。
借金状態を表現したり、お店で商品の前借りやツケが表現できます。

利用規約：
 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。
 このプラグインはもうあなたのものです。
*/

(()=> {
    'use strict';
    const script = document.currentScript;
    const param = PluginManagerEx.createParameter(script);

    PluginManagerEx.registerCommand(script, 'REPAY_GOLD', args => {
        $gameParty.repayGold();
    });

    //=============================================================================
    // Game_Party
    //  所持金を調整します。
    //=============================================================================
    const _Game_Party_gainGold = Game_Party.prototype.gainGold;
    Game_Party.prototype.gainGold = function(amount) {
        if (!this.isDebtEnable()) {
            _Game_Party_gainGold.apply(this, arguments);
        } else {
            this._gold = (this._gold + amount).clamp(-this.maxGold(), this.maxGold());
        }
    };

    Game_Party.prototype.repayGold = function() {
        if (this._gold < 0) this._gold = 0;
    };

    Game_Party.prototype.isDebtEnable = function() {
        return !$gameSwitches.value(param.disableSwitchId);
    };

    Game_Party.prototype.getCanBuyingUnderLimit = function() {
        return this.isDebtEnable() ? Math.min(param.underLimitCanBuying, this.maxGold()) : 0;
    };

    //=============================================================================
    // Scene_Shop
    //  購入可能下限金額を調整します。
    //=============================================================================
    const _Scene_Shop_money = Scene_Shop.prototype.money;
    Scene_Shop.prototype.money = function() {
        return _Scene_Shop_money.apply(this, arguments) - $gameParty.getCanBuyingUnderLimit();
    };

    //=============================================================================
    // Window_Gold
    //  借金時の文字色を変更します。
    //=============================================================================
    const _Window_Gold_resetTextColor = Window_Gold.prototype.resetTextColor;
    Window_Gold.prototype.resetTextColor = function() {
        if (param.debtTextColor > 0 && $gameParty.gold() < 0) {
            this.changeTextColor(ColorManager.textColor(param.debtTextColor));
        } else {
            _Window_Gold_resetTextColor.apply(this, arguments);
        }
    };
})();