import { Random } from "../core/utils/Random";

export class PVPLogic {
    /**随机数种子（建议使用Date.now()） */
    private seed: number;
    /**基础伤害(配置) */
    private baseHit: number;
    /**第一组武将（前5个为自己的武将，后面放置好友武将，建议设置为进攻方武将，暨：自己的武将） */
    private g1: Array<PVPHeroData> = [];
    /**第二组武将（前5个为自己的武将，后面放置好友武将，建议设置为防守方武将，暨：被切磋玩家的武将） */
    private g2: Array<PVPHeroData> = [];
    /**第一组阵营加成 */
    public g1Camp: { attack: number, cri: number } = { attack: 0, cri: 0 };
    /**第二组阵营加成 */
    public g2Camp: { attack: number, cri: number } = { attack: 0, cri: 0 }
    /**线性随机数对象 */
    private random: Random;
    /**战报 */
    private pvpPages: Array<PVPPage> = [];
    /**胜者ID */
    private winner: number = 0;
    /**当前对战武将 */
    private curBattleHero: Map<number, PVPHeroData> = new Map();
    /**先手ID */
    private fristID: number = 0;
    /**后手ID */
    private lastID: number = 0;
    /**buff配置 */
    private buffConfig: any;
    /**羁绊id */
    public fetterID = 0;
    /**
     * PVP逻辑
     * @param g1 第一组武将（建议设置为进攻方武将，暨：自己的武将）
     * @param g2 第二组武将（建议设置为防守方武将，暨：被切磋玩家的武将）
     * @param seed 随机数种子（建议使用Date.now()）
     * @param baseHit 基础伤害(配置)
     *  @param buffConfig buff配置(配置)
     */
    constructor(g1: Array<PVPHeroData>, g2: Array<PVPHeroData>, seed: number, baseHit: number, buffConfig: any) {
        this.seed = seed;
        this.random = new Random(this.seed);
        this.g1 = g1.concat();
        this.g2 = g2.concat();
        this.baseHit = baseHit;
        this.buffConfig = buffConfig;
        this.checkCamp();
    }
    /**
     *  战斗开始
     *  @returns pages 战报数据
     *  @returns winner 胜者数据
     */
    public begin(): { pages: Array<PVPPage>, winner: number } {
        this.log("战斗开始");
        this.battle();
        return { pages: this.pvpPages, winner: this.winner };
    }
    /**战斗流程递归 */
    private battle() {
        if (this.curBattleHero.size < 2) {
            this.intoBattle();
        } else {
            if (this.curBattleHero.get(1)._att_count == 0 && this.curBattleHero.get(2)._att_count == 0) {
                this.fristID = this.checkFristAttack();
                this.lastID = this.fristID == 1 ? 2 : 1;
                this.log(`g${this.fristID}-->武将${this.curBattleHero.get(this.fristID).id},先手攻击`);
                this.attack(this.fristID);
            } else {
                let fromID = this.curBattleHero.get(this.fristID)._att_count > this.curBattleHero.get(this.lastID)._att_count ? this.lastID : this.fristID;
                this.attack(fromID);
            }
        }
    }
    /**武将出阵 */
    private intoBattle(): void {
        if (!this.curBattleHero.has(1)) {
            this.curBattleHero.set(1, this.g1.shift());
            this.pvpPages.push(new PVPPage(PVPPageType.intoBattle, 1, this.curBattleHero.get(1).id));
            this.log(`g1-->出战武将${this.curBattleHero.get(1).id},lv:${this.curBattleHero.get(1).lv},star:${this.curBattleHero.get(1).star},color:${this.curBattleHero.get(1).color},g1剩余武将：${this.g1.length}`);
        }
        if (!this.curBattleHero.has(2)) {
            this.curBattleHero.set(2, this.g2.shift());
            this.pvpPages.push(new PVPPage(PVPPageType.intoBattle, 2, this.curBattleHero.get(2).id));
            this.log(`g2-->出战武将${this.curBattleHero.get(2).id},lv:${this.curBattleHero.get(2).lv},star:${this.curBattleHero.get(2).star},color:${this.curBattleHero.get(2).color},g2剩余武将：${this.g2.length}`);
        }
        this.battle();
    }
    /**
     * 武将攻击
     * @param fromID 发生方ID
     */
    private attack(fromID: number): void {
        let defID = fromID == 1 ? 2 : 1;
        let hit = Math.floor((this.baseHit * (1 + this[`g${fromID}Camp`].attack / 10000)) / Math.pow(2, this.curBattleHero.get(defID).lv - this.curBattleHero.get(fromID).lv));
        let random = this.random.range(0, 10000);
        let isCRI = false;
        if (random <= 500 + this[`g${fromID}Camp`].cri) {
            hit = Math.floor(hit * 1.5);
            isCRI = true;
        }
        this.curBattleHero.get(defID)._hp -= hit;
        this.pvpPages.push(new PVPPage(PVPPageType.attack, fromID, this.curBattleHero.get(fromID).id, hit));
        this.curBattleHero.get(fromID)._att_count++;
        this.log(`g${fromID}-->武将${this.curBattleHero.get(fromID).id},是否暴击：${isCRI},攻击-->${hit},g${defID}-->防守武将剩余生命-->${this.curBattleHero.get(defID)._hp}`);
        if (this.curBattleHero.get(defID)._hp <= 0) {
            this.die(defID);
            return;
        }
        this.battle();
    }
    /**
     * 武将死亡
     * @param fromID 发生方ID
     */
    private die(fromID: number): void {
        this.pvpPages.push(new PVPPage(PVPPageType.die, fromID, this.curBattleHero.get(fromID).id));
        this.curBattleHero.get(fromID == 1 ? 2 : 1)._att_count = 0;
        this.log(`g${fromID}-->武将${this.curBattleHero.get(fromID).id},死亡`);
        this.curBattleHero.delete(fromID);

        if (this['g' + fromID].length == 0) {
            this.pvpPages.push(new PVPPage(PVPPageType.end, 0, 0));
            this.winner = fromID == 1 ? 2 : 1;
            this.log(`战斗结束：胜方：${this.winner}`);
            return;
        }
        this.battle();
    }
    /**检查阵营加成 */
    private checkCamp(): void {
        this.sortCamp(1);
        this.log(`g1阵营加成：${JSON.stringify(this.g1Camp)}`);
        this.sortCamp(2);
        this.log(`g2阵营加成：${JSON.stringify(this.g2Camp)}`);
    }
    /**整理阵营数据 */
    private sortCamp(id: number) {
        let camps = [{ camp: 1, count: 0 }, { camp: 2, count: 0 }, { camp: 3, count: 0 }, { camp: 4, count: 0 }];
        let length = this["g" + id].length >= 5 ? 5 : this["g" + id].length;
        for (let i = 0; i < length; i++) {
            let camp = parseInt(this["g" + id][i].camp);
            camps[camp - 1].count++;
        }
        camps = camps.sort(function (a, b) {
            if (a.count > b.count) {
                return -1;
            } else {
                return 1;
            }
        });
        switch (camps[0].count) {
            case 2:
                this.fetterID = 1;
                this[`g${id}Camp`] = { attack: this.buffConfig["1"].attackPer, cri: 0 };
                break;
            case 3:
                this.fetterID = 2;
                this[`g${id}Camp`] = { attack: this.buffConfig["2"].attackPer, cri: 0 };
                if (camps[1].count == 2) {
                    this.fetterID = 3;
                    this[`g${id}Camp`] = { attack: this.buffConfig["3"].attackPer, cri: this.buffConfig["6"].cri };
                }
                break;
            case 4:
                this.fetterID = 4;
                this[`g${id}Camp`] = { attack: this.buffConfig["4"].attackPer, cri: this.buffConfig["7"].cri };
                break;
            case 5:
                this.fetterID = 5;
                this[`g${id}Camp`] = { attack: this.buffConfig["5"].attackPer, cri: this.buffConfig["8"].cri };
                break;
        }
    }
    /**检查先手武将 */
    private checkFristAttack(): number {
        this.log("检查先手武将");
        if (this.curBattleHero.get(1).star != this.curBattleHero.get(2).star) {
            return this.curBattleHero.get(1).star > this.curBattleHero.get(2).star ? 1 : 2;
        }
        if (this.curBattleHero.get(1).color != this.curBattleHero.get(2).color) {
            return this.curBattleHero.get(1).color > this.curBattleHero.get(2).color ? 1 : 2;
        }
        return Math.floor(this.random.range(1, 3));
    }

    private useLog = true;
    private log(msg: string): void {
        //服务器可以根据seed写入不同文件文件，方便调试
        if (this.useLog) {
            console.log(msg);
        }
    }
}
/**
 * PVP武将数据
 */
export class PVPHeroData {
    public id: number;
    public lv: number;
    public star: number;
    public color: number;
    public camp: number;

    public _hp: number = 100;
    public _att_count: number = 0;
    constructor(id: number, lv: number, star: number, color: number, camp: number) {
        this.id = id;
        this.lv = lv;
        this.star = star;
        this.color = color;
        this.camp = camp;
    }
}
/**
 * PVP战报数据
 */
export class PVPPage {
    /**战报类型 */
    public type: PVPPageType = PVPPageType.none;
    /**发生事件方ID */
    public formID: number;
    /**如果是类型是攻击，则是伤害值 否则为0*/
    public hit: number = 0;
    /**发生事件的英雄ID */
    public heroID: number;
    constructor(type: PVPPageType, fromID: number, heroID: number, hit: number = 0) {
        this.type = type;
        this.formID = fromID;
        this.heroID = heroID;
        this.hit = hit;
    }
}

export enum PVPPageType {
    none,
    intoBattle,
    attack,
    die,
    end
}