import { data_type, week_data_type } from "../../module_link/game/Player";

export enum PeriodDataUpdate {
   none = 0,
   day = 1,
   week = 2,
   month = 3,
}
/**周期数据
 * @param T 为一个枚举类型
 * @param update PeriodDataUpdate 更新周期
 * @param limt 限制值最大，最小
 * 调用check检测更新
 * @exampl
定义数据枚举  字段名和字段key需要一致
export enum day_type{
   score ="score",
   level ="level",
   relive="relive",
}
初始所有定义数据
day_data = new PeriodData<day_type>(PeriodDataUpdate.day,
         Object.keys(day_type) as day_type[],
         new Map([
               [day_type.relive,{min:0,max:3}],//限制每日复活3次
         ])
      );
day_data.get(day_type.score)...
*/
export default class PeriodData<T extends string | number | symbol> {
   private _data: Map<T, { v: number, min: number | null, max: number | null }> = new Map();
   private _data_Array: Map<T, any> = new Map();
   private _last: number = 0;
   private _update: PeriodDataUpdate;
   constructor(update: PeriodDataUpdate, limt?: Map<T, { min?: number | null, max?: number | null }>) {
      this._update = update;
      if (!limt) return;
      //遍历所有键进行初始化
      limt.forEach((v, key) => {
         this._data.set(key, { v: v.min ?? 0, min: v.min, max: v.max });
      }, this);
   }
   /**
   * 序列化（数据库存储）
   */
   public serialize(): any {
      const obj: { [key: string]: number } = {};
      this._data.forEach((value, key) => { obj[String(key)] = value.v; });

      const obj1: { [key: string]: any } = {};
      this._data_Array.forEach((value, key) => { obj1[String(key)] = value; });
      const data = {
         "last": this._last,
         "data": obj,
         "data_Array": obj1
      };
      return data;
   }
   /**
   * 反序列化
   */
   public unserialize(data: any): void {
      if (!data) return;
      this._last = data.last ?? 0;
      const obj: { [key: string]: number } = data.data;
      if (obj) {
         for (const key in obj) {
            const value = obj[key];
            this._get(key as T).v = value;
         }
      }

      const obj1: { [key: string]: any } = data.data_Array;
      if (obj1) {
         for (const key in obj1) {
            const value = obj1[key];
            this.set_Array(key as T, value);
         }
      }
   }
   private _get(key: T): { v: number, min: number, max: number } {
      let data = this._data.get(key);
      if (!data) {
         data = { v: 0, min: 0, max: null };
         this._data.set(key, data);
      }
      return data;
   }

   private _get_Array(key: T): any {
      let data = this._data_Array.get(key);
      if (!data) {
         data = new Array(7).fill(false);
         this._data_Array.set(key, data);
      }
      return data;
   }

   /**如果有必要，重新设置数据的min,max*/
   set(key: T, value: number, min?: number | null, max?: number | null) {
      const d = this._get(key);
      d.v = value;
      d.min = min;
      d.max = max;
   }
   /**获取数据*/
   get(key: T): number {
      return this._get(key).v;
   }

   set_Array(key: T, value: any) {
      this._data_Array.set(key, value);
   }
   /**获取数据*/
   get_Array(key: T): any {
      return this._get_Array(key);
   }


   /**有大最值的话，获取数据为剩余可用次数*/
   get_available(key: T): number {
      const d = this._get(key);
      if (d.max) return d.max - d.v;
      return d.v;
   }
   isEnble(key: T): boolean {
      const d = this._get(key);
      return d.v > 0;
   }
   enble(key: T): void {
      this._get(key).v = 1;
   }
   disEnble(key: T): void {
      this._get(key).v = 0;
   }
   /**增加数据的值*/
   add(key: T, n: number = 1): number | null {
      return this.change(key, n);
   }
   /**减小数据的值*/
   sub(key: T, n: number = 1): number | null {
      return this.change(key, -n);
   }
   /**改变数据 n>0增加 小于0减少*/
   change(key: T, n: number): number | null {
      const d = this._get(key);
      if (!d) return null;
      d.v += n;
      if (d.min && d.v < d.min) d.v = d.min;
      if (d.max && d.v > d.max) d.v = d.max;
      return d.v;
   }
   /**改变数据，比原本值大直接替换，没有改变返回null*/
   change_big(key: T, n: number): number | null {
      const d = this._get(key);
      if (!d) return null;
      if (n > d.v) {
         d.v = n;
         if (d.min && d.v < d.min) d.v = d.min;
         if (d.max && d.v > d.max) d.v = d.max;
         return d.v;
      }
      return null;
   }
   /**改变数据，比原本值小直接替换，没有改变返回null*/
   change_sm(key: T, n: number): number | null {
      const d = this._get(key);
      if (!d) return null;
      if (n < d.v) {
         d.v = n;
         if (d.min && d.v < d.min) d.v = d.min;
         if (d.max && d.v > d.max) d.v = d.max;
         return d.v;
      }
      return null;
   }
   /**检测更新now当前时间戳(ms)*/
   check(now: number): boolean {
      if (this._update == PeriodDataUpdate.none) return false;
      if (this._update == PeriodDataUpdate.day) {
         if (!this.isSameDate(now, this._last)) {
            this._last = now;
            this.reset();
            return true;
         }
      }
      if (this._update == PeriodDataUpdate.week) {
         if (!this.areDatesInSameWeek(now, this._last)) {
            this._last = now;
            this.reset();
            this._data_Array=new Map();
            return true;
         }
      }
      if (this._update == PeriodDataUpdate.month) {
         if (!this.areDatesInSameMonth(now, this._last)) {
            this._last = now;
            this.reset();
            return true;
         }
      }
      return false;
   }
   reset(): void {
      for (const key of this._data.keys()) {
         const data = this._get(key);
         data.v = data.min ?? 0;
      }
   }
   /**判定两个时间是否是同一天*/
   private isSameDate(timestamp1: number, timestamp2: number): boolean {
      let date1 = new Date(timestamp1); let date2 = new Date(timestamp2);
      return date1.getFullYear() == date2.getFullYear() && date1.getMonth() == date2.getMonth() && date1.getDate() == date2.getDate();
   }
   /**判定两个时间是否是同一周*/
   private areDatesInSameWeek(date1: number, date2: number): boolean {
      const startOfWeek1 = this.getStartOfWeek(new Date(date1));
      const startOfWeek2 = this.getStartOfWeek(new Date(date2));
      return startOfWeek1.getTime() === startOfWeek2.getTime();
   }
   private getStartOfWeek(date: Date): Date {
      const startOfWeek = new Date(date);
      const day = startOfWeek.getDay(); // 星期日是 0，星期一是 1，依此类推  
      const diff = startOfWeek.getDate() - day; // 计算当前日期所在周的第一天  
      startOfWeek.setDate(diff); // 设置为该周的第一天  
      startOfWeek.setHours(0, 0, 0, 0); // 设置时间为 00:00:00  
      return startOfWeek;
   }
   private areDatesInSameMonth(date1: number, date2: number): boolean {
      const d1 = new Date(date1);
      const d2 = new Date(date2);
      return d1.getFullYear() === d2.getFullYear() && d1.getMonth() === d2.getMonth();
   }
}