/**
 * 配置
 *
 * @format
 */

interface Options {
    /** key前缀 */
    prefix?: string;
}

/** 默认配置 */
const defaultOptions: Options = {
    prefix: "",
};

class CookieStorage {
    private prefix: string;

    constructor(options: Options = defaultOptions) {
        const {prefix} = options;
        this.prefix = prefix ?? "";
    }

    /**
     * @description: 设置cookie
     * @param {string} key 键
     * @param {any} value 值
     * @param {number} expires 过期时间s毫秒，不传默认2年有效
     * @Date: 2023-05-17 18:10:34
     * @Author: mulingyuer
     */
    public setItem(key: string, value: string | number, expires?: number): void {
        const timestamp = Date.now();
        if (typeof expires === "number") {
            expires = timestamp + expires;
        } else {
            expires = timestamp + 2 * 365 * 24 * 60 * 60 * 1000;
        }
        document.cookie = `${this.prefix}${key}=${value};expires=${new Date(expires).toUTCString()}`;
    }

    /**
     * @description: 获取cookie
     * @param {string} key 键
     * @Date: 2023-05-17 18:31:50
     * @Author: mulingyuer
     */
    public getItem(key: string): string | undefined {
        const cookies = document.cookie.split("; ");
        let val: string | undefined = undefined;
        cookies.find((item) => {
            const [k, v] = item.split("=");
            if (k === `${this.prefix}${key}`) {
                val = v;
                return true;
            }
            return false;
        });

        return val;
    }

    /**
     * @description: 删除指定key的cookie
     * @param {string} key 键
     * @Date: 2023-05-17 18:32:56
     * @Author: mulingyuer
     */
    public removeItem(key: string): void {
        this.setItem(key, "", -1);
    }

    /**
     * @description: 清空所有cookie
     * @Date: 2023-05-17 23:13:04
     * @Author: mulingyuer
     */
    public clear(): void {
        const cookies = document.cookie.split("; ");
        cookies.forEach((item) => {
            const [k] = item.split("=");
            this.removeItem(k);
        });
    }
}

const cookieStorage = new CookieStorage();

export {cookieStorage};