import { gameData } from "../pubUtils/data";
import { RoleType, RoleModel } from "../db/Role";
import { FriendRelationType } from "../db/FriendRelation";
import { getResStr } from "../pubUtils/util";
import { STATUS, FRIEND_RELATION_TYPE } from "../consts";

/**
 * 增加双方好友数
 * @param role1 我方
 * @param role2 对方
 * @returns 是否添加成功
 */
export async function increaseFrdCnt(role1: RoleType, role2: RoleType, originalFriendCnt: number) {
 
    let { roleId, lv, friendCnt } = role1;
    let dicFriend = gameData.roleFriend.get(lv);

    if(friendCnt >= dicFriend.frdCnt) return getResStr(STATUS.FRIEND_MY_CNT_MAX);

    let { roleId: _roleId, lv: _lv, friendCnt: _friendCnt } = role2;
    let _dicFriend = gameData.roleFriend.get(_lv);
    if(_friendCnt >= _dicFriend.frdCnt) return getResStr(STATUS.FRIEND_THEY_CNT_MAX);

    let incMyFrdCnt = await RoleModel.increaseFriendCnt(roleId, 1, dicFriend.frdCnt);
    if(!incMyFrdCnt) return getResStr(STATUS.FRIEND_MY_CNT_MAX);
    let incHisFrdCnt = await RoleModel.increaseFriendCnt(_roleId, 1, _dicFriend.frdCnt);
    if(!incHisFrdCnt) { // 回滚
        await RoleModel.increaseFriendCnt(roleId, -1, dicFriend.frdCnt);
        return getResStr(STATUS.FRIEND_THEY_CNT_MAX);
    }
    originalFriendCnt = incMyFrdCnt.friendCnt;

    return '';
}

export function getRecommendType(myFriendRelation: FriendRelationType, myRoleId: string, roleId: string) {
    if(myRoleId == roleId) {
        return FRIEND_RELATION_TYPE.MYSELF;
    }
    let friendList = myFriendRelation? myFriendRelation.friends: [];
    let blackList = myFriendRelation? myFriendRelation.blacklist: [];
    let hasFriend = friendList.find(cur => cur.roleId == roleId);
    if(hasFriend) {
        return FRIEND_RELATION_TYPE.HAS_FRIEND;
    }
    let hasBlcklist = blackList.find(cur => cur.roleId == roleId);
    if(hasBlcklist) {
        return FRIEND_RELATION_TYPE.HAS_BLOCKED;
    }
    return FRIEND_RELATION_TYPE.NORMAL;
}