import { _decorator } from "cc";

import { EventManager } from "@max-studio/core/event/EventManager";
import { Singleton } from "@max-studio/core/Singleton";
import LogUtils from "@max-studio/core/utils/LogUtils";

import { CurrencyEventMessage, CurrencyType } from "./Types";

const { ccclass, property } = _decorator;

@ccclass("CurrencyManager")
export class CurrencyManager extends Singleton {
    private currencyValues: Record<CurrencyType, number> = {} as Record<CurrencyType, number>;

    /** 获取货币值 */
    public getCurrencyValue(type: CurrencyType): number {
        return this.currencyValues[type] || 0;
    }

    /** 设置货币值 */
    public setCurrencyValue(type: CurrencyType, value: number, isNotify: boolean = true) {
        this.currencyValues[type] = value;
        if (isNotify) {
            EventManager.getInstance().emit(CurrencyEventMessage.CURRENCY_VALUE_CHANGED, type, value);
        }
    }

    /** 格式化货币显示 */
    public formatCurrencyDisplay(type: CurrencyType, value?: number): string {
        const amount = value ?? this.getCurrencyValue(type);

        // 根据货币类型返回不同的格式
        if (amount >= 1000000) {
            return `${(amount / 1000000).toFixed(1)}M`;
        } else if (amount >= 1000) {
            return `${(amount / 1000).toFixed(1)}K`;
        }

        return amount.toString();
    }

    /** 检查货币是否足够 */
    public isCurrencyEnough(type: CurrencyType, amount: number): boolean {
        return this.getCurrencyValue(type) >= amount;
    }

    /** 消耗货币 */
    public consumeCurrency(type: CurrencyType, amount: number, isNotify: boolean = true): boolean {
        if (amount <= 0) {
            LogUtils.warn(`[CurrencyManager] 消耗货币数量必须大于0: ${amount}`);
            return false;
        }

        if (!this.isCurrencyEnough(type, amount)) {
            LogUtils.warn(`[CurrencyManager] 货币不足: ${type}, 需要: ${amount}, 当前: ${this.getCurrencyValue(type)}`);
            return false;
        }

        const currentValue = this.getCurrencyValue(type);
        const newValue = currentValue - amount;
        this.setCurrencyValue(type, newValue, isNotify);
        return true;
    }
}