import { gameData, getShopType } from "../pubUtils/data";
import { ShopData, ShopDicExtendData, ShopReturnData } from '../domain/roleField/shop';
import { UserShopModel, UserShopType } from "../db/UserShop";
import { getActivitiesByType, getActivityById } from "./activity/activityService";
import { ACTIVITY_TYPE, ITEM_CHANGE_REASON, STATUS } from "../consts";
import { getRoleCreateTime, getServerCreateTime } from "./redisService";
import { decodeArrayListStr } from "../pubUtils/util";
import { UserShopTypeModel, UserShopTypeType } from "../db/UserShopType";
import { GuildModel } from "../db/Guild";
import { RoleModel } from "../db/Role";
import { DicShop } from "../pubUtils/dictionary/DicShop";
import { BackendSession } from "pinus";
import { ActivityModelType } from "../db/Activity";
import { addItems } from "./role/rewardService";

export async function getAllShopList(roleId: string, serverId: number) {
    let userShopRecs = await UserShopModel.findByRoleId(roleId);
    let userShopTypeRecs = await UserShopTypeModel.findByRoleId(roleId);
    let activities = await getShopActivityDatas(roleId, serverId);

    let shops: ShopReturnData[] = [];
    for(let [_, { shop, type } ] of gameData.shopType) {
        let activity = activities.find(cur => cur.shop == shop && cur.type == type);
        let readRecord = userShopTypeRecs.find(cur => cur.shop == shop && cur.type == type);
        let shopData = await getShopListByData(shop, type, userShopRecs, activity, readRecord);
        shops.push(shopData);
    }
    return shops;
}

export async function getShopListByType(shop: number, type: number, roleId: string, serverId: number) {
    let userShopRecs = await UserShopModel.findByShopType(roleId, shop, type);
    let activities = await getShopActivityDatas(roleId, serverId);
    let activity = activities.find(cur => cur.shop == shop && cur.type == type);
    let readRecord = await UserShopTypeModel.findByType(roleId, shop, type);
    return await getShopListByData(shop, type, userShopRecs, activity, readRecord);
}

async function getShopListByData(shop: number, type: number, userShopRecs: UserShopType[], activity: ShopData, readRecord: UserShopTypeType) {
    let result = new ShopReturnData(shop, type);
    
    let dicShopType = getShopType(shop, type);
    if(dicShopType && dicShopType.isLimit) {
        if(activity) result.setDicByActivity(activity);
        result.setReadRecord(readRecord);
    }
    for(let userShop of userShopRecs) {
        result.addUserRecords(userShop);
    }
    
    return result;
}


export async function getShopDicById(activityId: number, itemId: number, roleId: string, serverId: number) {
    if(!activityId || activityId == 0) {
        return gameData.shopItem.get(itemId);
    } else {
        let activityData = await getShopActivityById(roleId, serverId, activityId);
        return activityData.findByItemId(itemId);
    }
}

export async function getShopActivityDatas(roleId: string, serverId: number) {
    let createTime = await getRoleCreateTime(roleId);
    let serverTime = await getServerCreateTime(serverId);
    let activities = await getActivitiesByType(serverId, ACTIVITY_TYPE.SHOP);
    return activities.map(activity => {
        return new ShopData(activity, createTime, serverTime);
    });
}

export async function getShopActivityById(roleId: string, serverId: number, activityId: number) {
    let createTime = await getRoleCreateTime(roleId);
    let serverTime = await getServerCreateTime(serverId);
    let activity = await getActivityById(activityId);
    return new ShopData(activity, createTime, serverTime);
}

/**
 * 
 * @param goodId 物品
 * @param count 本次购买次数
 * @param buyCount 上次购买到多少次
 * @param str 字典
 */
export function getShopPrice(goodId: number, count: number, buyCount: number, str: string) {
    let arr = parseShopPrice(str);
    let result = 0;
    for(let i = 0; i < count; i++) {
        let curPrice = 0;
        for(let { times, price } of arr) {
            curPrice = price;
            if(buyCount + i <= times) break;
        }
        result += curPrice;
    }
    return [{
        id: goodId,
        count: result
    }]
}

function parseShopPrice(str: string) {
    let result = new Array<{ times: number, price: number }>();
    if (!str) return result;
    let decodeArr = decodeArrayListStr(str);
    for (let [times, price] of decodeArr) {
        if (isNaN(parseInt(times)) || isNaN(parseInt(price))) {
            throw new Error('data table format wrong');
        }
        result.push({ times: parseInt(times), price: parseInt(price) });
    }
    return result
}

export async function checkShopInPurchase(session: BackendSession, activityId: number, count: number, buyCount: number, dicShopItem: DicShop|ShopDicExtendData) {
    let roleId = session.get('roleId');
    let guildCode = session.get('guildCode');
    let serverId = session.get('serverId');
    let vipStartTime: number = session.get('vipStartTime');

    return await checkShopItemCanBuy(activityId, dicShopItem.id, roleId, serverId, guildCode, vipStartTime, count, buyCount, dicShopItem)
}

export async function checkShopCanBuyInOrder(roleId: string, serverId: number, activity: ActivityModelType, productID: string) {
    let role = await RoleModel.findByRoleId(roleId, 'guildCode createTime vipStartTime');
    let { createTime, guildCode, vipStartTime } = role;
    let serverTime = await getServerCreateTime(serverId);
    let shopData = new ShopData(activity, createTime, serverTime);
    if(!shopData) return false;
    let dicItem = shopData.findByProductID(productID);
    if(!dicItem) return false;

    let userShop = await UserShopModel.findByRoleAndItem(roleId, activity.activityId, dicItem);
    let result = await checkShopItemCanBuy(activity.activityId, dicItem.id, roleId, serverId, guildCode, vipStartTime, 1, userShop?.count||0, dicItem);
    return result.code == STATUS.SUCCESS.code;
}

export async function checkShopItemCanBuy(activityId: number, shopItemId: number, roleId: string, serverId: number, guildCode: string, vipStartTime: number, count: number, buyCount: number, dicShopItem?: DicShop|ShopDicExtendData) {

    if(!dicShopItem) {    
        dicShopItem = await getShopDicById(activityId, shopItemId, roleId, serverId);
    }
    if(!dicShopItem) return STATUS.DIC_DATA_NOT_FOUND;

    if(dicShopItem.guildLvLimit) {
        let myGuild = await GuildModel.findByCode(guildCode, serverId);
        if(!myGuild || myGuild.lv < dicShopItem.guildLvLimit) return STATUS.GUILD_LV_LIMIT;
    }
    if(dicShopItem.lvLimit) {
        let role = await RoleModel.findByRoleId(roleId, 'lv');
        if(role.lv < dicShopItem.lvLimit) {
            return STATUS.LV_LIMIT;
        }
    }

    if(dicShopItem.purchaseLimit != -1) {
        if(vipStartTime > 0 && dicShopItem.vipPurchaseLimit != -1) {
            if(buyCount + count > dicShopItem.purchaseLimit + dicShopItem.vipPurchaseLimit) {
                return STATUS.BUY_COUNT_OVER;
            }
        } else {
            if(buyCount + count > dicShopItem.purchaseLimit) {
                return STATUS.BUY_COUNT_OVER;
            }
        }
    }
    return STATUS.SUCCESS
}

/**
   * rmb购买
   *
   * @param {number} serverId 区Id
   * @param {number} activityId 活动Id
   * @param {string} roleId 角色Id
   * @param {string} productID 商品ID
   *
   */
 export async function makeShopOrder(roleId: string, roleName: string, sid: string, serverId: number, activityId: number, productID: string) {
    let activityData: ActivityModelType = await getActivityById(activityId);
    if (!activityData) {
        return STATUS.ACTIVITY_MISSING;
    }
    if (activityData.type !== ACTIVITY_TYPE.SHOP) {
        return STATUS.ACTIVITY_TYPE_ERROR;
    }
    let createTime = await getRoleCreateTime(roleId);
    let serverTime = await getServerCreateTime(serverId);
    let shopData = new ShopData(activityData, createTime, serverTime);
    let dicItem = shopData.findByProductID(productID);
    if(!dicItem) return STATUS.DIC_DATA_NOT_FOUND;
    let reward = [{
        id: dicItem.goodId,
        count: 1
    }];
    await addItems(roleId, roleName, sid, reward, ITEM_CHANGE_REASON.SHOP_PURCHASE);

    await UserShopModel.purchase(roleId, roleName, activityId, dicItem, 1);
    return {
        code: 0,
        data: Object.assign({}, { item: { shop: dicItem.shop, type: dicItem.type, shopItemId: dicItem.id }, activityId: activityId })
    }
}