import Utils from "./module/Pay/Utils";

/** 独立于十连胜；一局的资格在创建时固定，失败在确定放弃时结算。 */
export default class ThreeWinStreak {
    private started = false;
    private settled = false;

    constructor(private enabled: boolean) {}

    private static count(value: any): number {
        const number = Number(value);
        return Number.isFinite(number) ? Math.min(3, Math.max(0, Math.floor(number))) : 0;
    }

    /** 无参数先恢复本地；登录后传服务器数据，旧账号缺失字段从零开始。 */
    static restore(serverData?: { threeWinStreak?: number }, forced = false) {
        if (cc.fx.GameConfig.forceThreeWinStreak) {
            cc.fx.GameConfig.GM_INFO.threeWinStreak = 3;
            return;
        }
        const storage = cc.fx.StorageMessage;
        if (serverData && forced) {
            storage.setStorage("threeWinStreakPending", false);
            storage.setStorage("threeWinStreakUnsynced", null);
        } else if (storage.getStorage("threeWinStreakPending") === true) {
            // 上局开始后未正常结算就杀端，保留待同步的清零结果。
            storage.setStorage("threeWinStreak", 0);
            storage.setStorage("threeWinStreakPending", false);
            storage.setStorage("threeWinStreakUnsynced", 0);
        }
        const unsynced = storage.getStorage("threeWinStreakUnsynced");
        const hasUnsynced = typeof unsynced === "number" && Number.isFinite(unsynced);
        const value = hasUnsynced ? unsynced : serverData
            ? serverData.threeWinStreak : storage.getStorage("threeWinStreak");
        const count = this.count(value);
        cc.fx.GameConfig.GM_INFO.threeWinStreak = count;
        storage.setStorage("threeWinStreak", count);
        if (serverData && hasUnsynced) this.sync(count);
    }

    begin() {
        if (!this.enabled || this.started || this.settled) return;
        this.started = true;
        if (cc.fx.GameConfig.forceThreeWinStreak) return;
        cc.fx.StorageMessage.setStorage("threeWinStreakPending", true);
    }

    win() {
        if (!this.enabled || this.settled) return;
        this.finish(ThreeWinStreak.count(cc.fx.GameConfig.GM_INFO.threeWinStreak) + 1);
    }

    fail() {
        if (!this.enabled || !this.started || this.settled) return;
        this.finish(0);
    }

    private finish(value: number) {
        this.settled = true;
        if (cc.fx.GameConfig.forceThreeWinStreak) {
            cc.fx.GameConfig.GM_INFO.threeWinStreak = 3;
            return;
        }
        const count = ThreeWinStreak.count(value);
        const storage = cc.fx.StorageMessage;
        cc.fx.GameConfig.GM_INFO.threeWinStreak = count;
        storage.setStorage("threeWinStreak", count);
        storage.setStorage("threeWinStreakPending", false);
        storage.setStorage("threeWinStreakUnsynced", count);
        ThreeWinStreak.sync(count);
    }

    private static sync(count: number) {
        Utils.setWinStreak((data) => {
            const storage = cc.fx.StorageMessage;
            if (data && data.code === 1 && storage.getStorage("threeWinStreakUnsynced") === count) {
                storage.setStorage("threeWinStreakUnsynced", null);
            }
        }, { threeWinStreak: count });
    }
}