// {
//     n:最大12位数子的金币数/
//     e:科学计数法的等级  1 A ....26 Z    27AA.............56AZ 
// } 
const GameNotificationKey = require('./GameEnum').GameNotificationKey;


class TapTapTool {

    //// 有个时候输入的不是对象。。。可能是字符串或者数字 这里做一个兼容
    static toNormal(coinCount) {
        /// 不是正常的金币对象
        let newCoin = coinCount;
        if (coinCount.n == undefined) {
            newCoin = TapTapTool.goldStrToClass(coinCount + '');
            /// 说明是数字
            if (newCoin.n == undefined) {
                newCoin = {'n': newCoin, 'e': 0};
            }
        }
        return {'e': newCoin.e, 'n': Number(newCoin.n)};
    } 

    static add(coin1, coin2) {
        coin1 = TapTapTool.toNormal(coin1);
        coin2 = TapTapTool.toNormal(coin2);
        let e1 = coin1.e;
        let e2 = coin2.e;
        let n1 = coin1.n;
        let n2 = coin2.n;
        if (e1 == undefined || e2 == undefined || n1 == undefined || n2 == undefined) {
            console.log("请输入正确的格式计算");
            return {};
        }

        let resultN = 0;
        let resultE = 0;
        let n1Length = `${n1}`.length;
        let n2length = `${n2}`.length;
        /// 说明两个是一个等级的 直接相加
        if(e1 == e2) {
            resultN = n1 + n2;
            resultE = e1;
            /// 如果超出了12位，那么进位。
            if (`${resultN}`.length > 12) {
                resultN = parseInt(resultN / 1000); 
                resultE += 1;
            }
        } else if (e1 > e2) {
            let dif = e1 - e2;
            resultN = n1;
            resultE = e1;
            /// 只计算三位以内的
            if (dif < 4) {
                /// 10的dif*3次幂 把n1化为跟n2一个等级或者n2 -> n1 然后直接相加
                let num = 10 ** (dif * 3);
                /// 如果是这种情况就只能小化大  
                if (n1Length > (12 - dif * 3)) {
                    let newN2 = parseInt(n2 / num);
                        ////说明可以加。
                    if (newN2 > 0) {
                        resultN = n1 + newN2; 
                        let resultStr = `${resultN}`;
                        /// 如果超出了12位，那么进位。
                        if (resultStr.length > 12) {
                            resultN = parseInt(resultN / 1000); 
                            resultE += 1;
                        }
                    } 
                    //// 可以大化小
                } else {
                    let newN1 = num * n1;
                    resultN = newN1 + n2;
                    resultE = e2;
                    let resultStr = `${resultN}`;
                    /// 如果超出了12位，那么进位。
                    if (resultStr.length > 12) {
                        resultN = parseInt(resultN / 1000); 
                        resultE += 1;
                    }
                }
            }
        } else {
            let dif = e2 - e1;
            resultN = n2;
            resultE = e2;
            /// 只计算三位以内的
            if (dif < 4) {
                /// 10的dif*3次幂 把n1化为跟n2一个等级或者n2 -> n1 然后直接相加
                let num = 10 ** (dif * 3);
                if (n2length > (12 - dif * 3)) {
                    let newN1 = parseInt(n1 / num);
                        ////说明可以加。
                    if (newN1 > 0) {
                        resultN = n2 + newN1; 
                        let resultStr = `${resultN}`;
                        /// 如果超出了12位，那么进位。
                        if (resultStr.length > 12) {
                            resultN = parseInt(resultN / 1000); 
                            resultE += 1;
                        }
                    } 
                } else {
                    let newN2 = num * n2;
                    resultN = newN2 + n1;
                    resultE = e1;
                    let resultStr = `${resultN}`;
                    /// 如果超出了12位，那么进位。
                    if (resultStr.length > 12) {
                        resultN = parseInt(resultN / 1000); 
                        resultE += 1;
                    }
                }
            }
        }
        return {'n': resultN, 'e': resultE};
    }

    /// 这里都是用大的减去小的
    static sub(coin1, coin2) {
        coin1 = TapTapTool.toNormal(coin1);
        coin2 = TapTapTool.toNormal(coin2);
        let e1 = coin1.e;
        let e2 = coin2.e;
        let n1 = coin1.n;
        let n2 = coin2.n;
        if (e1 == undefined || e2 == undefined || n1 == undefined || n2 == undefined) {
            console.log("请输入正确的格式计算");
            return {};
        }

        let resultN = 0;
        let resultE = 0;
        let n1Length = `${n1}`.length;
        let n2Length = `${n2}`.length;
        if (e1 >= e2 && n1 >= n2) {
            let dif = e1 - e2;
            resultN = n1;
            resultE = e1;
            if (dif < 4) {
                /// 10的dif*3次幂 把n1化为跟n2一个等级或者n2 -> n1 然后直接相加
                let num = 10 ** (dif * 3);
                /// 如果是这种情况就只能化n2了
                if (n1Length > (12 - dif * 3)) {
                    let newN2 = parseInt(n2 / num);
                        ////说明可以加。
                    if (newN2 > 0) {
                        resultN = n1 - newN2; 
                    } 
                } else {
                    let newN1 = num * n1;
                    resultN = newN1 - n2;
                    resultE = e2;
                }
            }
        } else if (e1 >= e2 && n1 < n2) {
            if (e1 == e2) {
                resultE = e1;
                resultN = n2 - n1;
            } else {
                let dif = e1 - e2;
                resultN = n1;
                resultE = e1;
                if (dif < 4) {
                    if (n1Length > (12 - dif * 3)) {
                        let newN2 = parseInt(n2 / 10 ** (3 * (e1 - e2)));
                        if (n1 >= newN2) {
                            resultN = n1 - newN2;
                        } else {
                            resultN = newN2 - n1;
                        }
                    } else {
                        let newN1 = n1 * 10 ** (3 * (e1 - e2));
                        if (newN1 >= n2) {
                            resultN = newN1 - n2;
                        } else {
                            resultN = n2 - newN1;
                        }
                        resultE = e2;
                    }
                }
            }
        } else if (e1 < e2 && n1 <= n2) {
            let dif = e2 - e1;
            resultN = n2;
            resultE = e2;
            if (dif < 4) {
                let num = 10 ** (dif * 3);
                if (n2Length > (12 - dif * 3)) {
                    let newN1 = parseInt(n1 / num);
                    if (newN1 > 0) {
                        resultN = n2 - newN1; 
                    } 
                } else {
                    let newN2 = num * n2;
                    resultN = newN2 - n1;
                    resultE = e1;
                }
            }
        } else if (e1 < e2 && n1 > n2) {
            let dif = e2 - e1;
            resultN = n2;
            resultE = e2;
            if (dif < 4) {
                if (n2Length > (12 - dif * 3)) {
                    let newN1 = parseInt(n2 / 10 ** (3 * dif));
                    if (n2 >= newN1) {
                        resultN = n2 - newN1;
                    } else {
                        resultN = newN1 - n2;
                    }
                } else {
                    let newN2 = n2 * 10 ** (3 * dif);
                    if (newN2 >= n1) {
                        resultN = newN2 - n2;
                    } else {
                        resultN = n1 - newN2;
                    }
                    resultE = e1;
                }
            }
        }
        return {'n': resultN, 'e': resultE};
    }

    /// 乘法 变成最大六位乘以六位的乘法， 因为9999 * 9999 最大也只有11位
    /// 小数的乘法，最后也会变成整数表示 
    static multiple(coin1, coin2) {
        coin1 = TapTapTool.toNormal(coin1);
        coin2 = TapTapTool.toNormal(coin2);
        let e1 = coin1.e;
        let e2 = coin2.e;
        let n1 = coin1.n;
        let n2 = coin2.n;
        if (e1 == undefined || e2 == undefined || n1 == undefined || n2 == undefined) {
            console.log("请输入正确的格式计算");
            return {};
        }

        let resultN = 0;
        let resultE = e1 + e2;

        let n1Str = n1 + '';
        let n2Str = n2 + '';
        let n1Arr = n1Str.split('.');
        let n2Arr = n2Str.split('.');
        let n1Length = n1Str.length;
        let n2length = n2Str.length;
        //// 这里是小数运算
        if (n1Arr.length > 1 || n2Arr.length > 1) {
            let count1Length = n1Arr[0].length;
            let count2Length = n2Arr[0].length;
            let newN1 = n1;
            let newN2 = n2;
            if (count1Length > 6) {
                    //// 减去的要配成3的倍数 才能
                let sub = (count1Length - 6);
                let rm = sub % 3;
                /// 说明去掉的不是3的倍数 那就让它成为3的倍数
                if (rm != 0) {
                    sub += 3 - rm;
                }
                newN1 = parseInt(parseInt(n1Arr[0]) / 10 ** sub); 
                resultE += (sub / 3);
            }

            if (count2Length > 6) {
                //// 减去的要配成3的倍数 才能
                let sub = (count2Length - 6);
                let rm = sub % 3;
                /// 说明去掉的不是3的倍数 那就让它成为3的倍数
                if (rm != 0) {
                    sub += 3 - rm;
                }
                newN2 = parseInt(parseInt(n2Arr[0]) / 10 ** sub); 
                resultE += (sub / 3);
            }
            
            resultN = newN1 * newN2;
            let resultStr = resultN + '';
            let resultArr = resultStr.split('.');
            /// 说明是小数
            if (resultArr.length > 1) {
                if (resultE > 0 && resultStr.length < 13) {
                    resultN *= 1000;
                    resultE -= 1;
                }
            }
            return {'n': parseInt(resultN), 'e': resultE};
        }

        /// 下面的只是计算n的相乘 最大6位乘以6位
        let newN1 = n1;
        let newN2 = n2;
        if (n1Length > 6) {
            //// 减去的要配成3的倍数 才能
            let sub = (n1Length - 6);
            let rm = sub % 3;
            /// 说明去掉的不是3的倍数 那就让它成为3的倍数
            if (rm != 0) {
                sub += 3 - rm;
            }
            newN1 = parseInt(n1 / 10 ** sub); 
            resultE += (sub / 3);
        }

        if (n2length > 6) {
            //// 减去的要配成3的倍数 才能
            let sub = (n2length - 6);
            let rm = sub % 3;
            /// 说明去掉的不是3的倍数 那就让它成为3的倍数
            if (rm != 0) {
                sub += 3 - rm;
            }
            newN2 = parseInt(n2 / 10 ** sub); 
            resultE += (sub / 3);
        }
        
        resultN = newN1 * newN2;
        let result = {"n": resultN, "e": resultE};
        return result;
    }

    //// 这里默认用大的除以小的
    static division(coin1, coin2) {
        coin1 = TapTapTool.toNormal(coin1);
        coin2 = TapTapTool.toNormal(coin2);
        let e1 = coin1.e;
        let e2 = coin2.e;
        let n1 = coin1.n;
        let n2 = coin2.n;
        if (e1 == undefined || e2 == undefined || n1 == undefined || n2 == undefined) {
            console.log("请输入正确的格式计算");
            return {};
        }

        let resultN = 0;
        let resultE = 0;
        if (e1 >= e2) {
            resultE = e1 - e2;
            resultN = parseInt(n1 / n2);
        } else {
            resultE = e2 - e1;
            resultN = parseInt(n2 / n1);
        }
        
        return {"n": resultN, "e": resultE};
    }

    /// 除法返回比例 第一个除以第二个的比例
    static divisionToRatio(coin1, coin2) {
        coin1 = TapTapTool.toNormal(coin1);
        coin2 = TapTapTool.toNormal(coin2);
        let e1 = coin1.e;
        let e2 = coin2.e;
        let n1 = coin1.n;
        let n2 = coin2.n;
        if (e1 == undefined || e2 == undefined || n1 == undefined || n2 == undefined) {
            console.log("请输入正确的格式计算");
            return {};
        }
        let resultN = n1 / n2;
        let resultE = e1 - e2;

        return resultN * (10 ** (3 * resultE));

    }

    //// 传入coinCount成为显示的科学计数法
    static parseToString(coinCount) {
        coinCount = TapTapTool.toNormal(coinCount);
        let n = coinCount.n;
        let e = coinCount.e;

        if (n == undefined || e == undefined) {
            console.log("请输入正确的格式计算");
            return {};
        }

        if (n == 0) {
            return "0";
        }

        let resultN = 0;
        let resultE = 0;
        let nLength = `${n}`.length;
        let rm = nLength % 3;
        
        /// 位数正好是3的整数倍 说明前面有三位啦
        if (rm == 0) {
            if (nLength == 3) {
                resultN = n;
                if (e > 0) {
                    resultN = parseFloat(n).toFixed(3);
                }
                resultE = e;
            } else {
                /// 保留三位小数
                resultN = (n / 10 ** (nLength - 3)).toFixed(3);
                resultE = e + (nLength - 3) / 3;
            }
        } else {
            if (nLength < 4) {
                let count = e > 0 ? 3 : 0;
                resultN = (n / 10 ** (nLength - rm)).toFixed(count);
            } else {
                resultN = (n / 10 ** (nLength - rm)).toFixed(3);
            }
            resultE = e + (nLength - rm) / 3;
        }

        if (resultE == 0) {
            return resultN;
        }

        return resultN + TapTapTool.toRankString(resultE);
    }

    ///根据e获取等级  A B 
    static toRankString(e) {
        let rk = e / 26;
        if (rk <= 1) {
            return TapTapTool._rankMap[e - 1];
        } else {
            return TapTapTool._rankMap[parseInt(rk) - 1] + TapTapTool._rankMap[(e - 1) % 26];
        }
    }
    
    //// 比较两个数字的大小 count1 >= count2 返回true
    static compare(count1, count2) {
        count1 = TapTapTool.toNormal(count1);
        count2 = TapTapTool.toNormal(count2);
        let e1 = count1.e;
        let e2 = count2.e;
        let n1 = count1.n;
        let n2 = count2.n;
        if (e1 == undefined || e2 == undefined || n1 == undefined || n2 == undefined) {
            console.log("请输入正确的格式计算");
            return {};
        }
        if (e1 >= e2 && n1 >= n2) {
            return true;
        } else if (e1 >= e2 && n1 < n2) {
            if (e1 == e2) {
                return false;
            } else {
                if (e1 - e2 > 4) {
                    return true;
                }
                let newN2 = n2 / 10 ** (3 * (e1 - e2));
                return n1 >= newN2;
            }
        } else if (e1 < e2 && n1 <= n2) {
            return false;
        } else if (e1 < e2 && n1 > n2) {
            if (e2 - e1 > 4) {
                return false;
            }
            let sub = 3 * (e2 - e1);
            let mu = 10 ** sub;
            let mul = n1 / mu;
            return mul >= n2;
        }
        return false;
    }

    /// 金币的字符串转化为正常金币对象，如果没有';'那就直接返回数字   '2133;1'
    static goldStrToClass(goldStr) {
        let countArr = goldStr.split(';');
        let n = 0;
        let e = 0;
        if (countArr.length > 1 && countArr[1] != '') {
            n = parseFloat(countArr[0]);
            e = parseInt(countArr[1]);
            let nStr = "" + n;
            /// 说明是小数
            if (nStr.indexOf('.') !== -1) {
                ////如果等级是0 那么直接去掉小数。。。。因为基本没有影响
                /// /// 说明位数小于等于13位 保留小数 退位
                if (e > 0 && n.length <= 13) {
                        n = n * 1000;
                        e -= 1;
                }
            }
        } else if (countArr[1] == '') {
            e = 0;
            n = parseInt(countArr[0]);
            //// 说明没有;符号 那么直接返回这个整型
        } else {
            return parseInt(goldStr);
        }
        return {'e': e, 'n': parseInt(n)};
    }


    //// 下面这个方法只是针对1.07的几次幂
    static toPower(e) {
        let n = 1.07;
        if (e <= 250) {
            return {'n': parseFloat(Math.pow(n, e).toFixed(3)), 'e': 0};
        } else {
            //// 向下取整
            let count = Math.floor(e / 250);
            let result = {'n': parseFloat(Math.pow(n, 250).toFixed(3)), 'e': 0};
            for (let i = 0; i < count - 1; i ++) {
                result = TapTapTool.multiple(result, {'n': parseFloat(Math.pow(n, 250).toFixed(3)), 'e': 0});
            }
            let rm = e % 250;
            if (rm != 0) {
                result = TapTapTool.multiple(result, {'n': parseFloat(Math.pow(n, rm).toFixed(3)) , 'e': 0});
            }
            return result;
        }
    }

    /// 删除游戏中的红点数 传入GameRedDot
    static removeRedDot(gameRedDotType) {
        let index = Global._redTypes.indexOf(gameRedDotType);
        /// 更新红点数
        if (index != -1) {
            Global._redTypes.splice(index, 1);
            GameEvent.fire(GameNotificationKey.GameRedDotUpdate);
        }
    }
    
    static _rankMap = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V','W','X','Y','Z'];

}
module.exports = TapTapTool;