import { getJSONfromString } from "@/src/helpers/stringHelpers";
import { RequestHandler } from "express";
import { getAccountIdForRequest } from "@/src/services/loginService";
import { ExportSyndicates, ISyndicateSacrifice } from "warframe-public-export-plus";
import { handleStoreItemAcquisition } from "@/src/services/purchaseService";
import { addMiscItems, combineInventoryChanges, getInventory, updateCurrency } from "@/src/services/inventoryService";
import { IInventoryChanges } from "@/src/types/purchaseTypes";
import { toStoreItem } from "@/src/services/itemDataService";
import { logger } from "@/src/utils/logger";

export const syndicateSacrificeController: RequestHandler = async (request, response) => {
    const accountId = await getAccountIdForRequest(request);
    const inventory = await getInventory(accountId);
    const data = getJSONfromString<ISyndicateSacrificeRequest>(String(request.body));

    let syndicate = inventory.Affiliations.find(x => x.Tag == data.AffiliationTag);
    if (!syndicate) {
        syndicate = inventory.Affiliations[inventory.Affiliations.push({ Tag: data.AffiliationTag, Standing: 0 }) - 1];
    }
    const res: ISyndicateSacrificeResponse = {
        AffiliationTag: data.AffiliationTag,
        InventoryChanges: {},
        Level: 0, // the new level after the sacrifice
        LevelIncrease: 0, // the amount of levels gained from the sacrifice
        NewEpisodeReward: false
    };
    const manifest = ExportSyndicates[data.AffiliationTag];
    const isNightwave = manifest.dailyChallenges !== undefined;

    const titles = manifest.titles;
    const oldLevel = syndicate.Title ?? 0;
    const currentStanding = syndicate.Standing ?? 0;
    let newLevel = oldLevel;

    interface _HandleItem {
        sacrifice?: ISyndicateSacrifice;
        reward?: {
            type: string;
            count?: number; // default 1
        }
    }

    const needProcess: _HandleItem[] = [];

    if (!syndicate.Initiated) {
        needProcess.push({
            sacrifice: manifest.initiationSacrifice,
            reward: manifest.initiationReward ? { type: manifest.initiationReward } : undefined,
        });
        syndicate.Initiated = true;
    }

    if (titles == undefined) {
        // ummm then just trust what the client says?
        newLevel = res.Level = data.SacrificeLevel;
        res.LevelIncrease = data.SacrificeLevel - oldLevel;
    } else {
        titles.filter(x => x.level > oldLevel && x.minStanding <= currentStanding).forEach(x => {
            if (x.level > newLevel) newLevel = x.level;
            const item: _HandleItem = {};
            if (x.sacrifice) {
                item.sacrifice = x.sacrifice;
            }
            if (x.storeItemReward) {
                item.reward = { type: x.storeItemReward, count: 1 };
            } else if (x.reward) {
                item.reward = { type: toStoreItem(x.reward.ItemType), count: x.reward.ItemCount };
            }
            if (item.sacrifice || item.reward) {
                needProcess.push(item);
            }
        })
        res.Level = newLevel;
        res.LevelIncrease = newLevel - oldLevel;
    }

    for (const item of needProcess) {
        if (item.sacrifice) {
            const changes = updateCurrency(inventory, item.sacrifice.credits, false);
            const miscItemChanges = item.sacrifice.items.map(x => ({
                ItemType: x.ItemType,
                ItemCount: x.ItemCount * -1
            }));
            addMiscItems(inventory, miscItemChanges);
            if (res.InventoryChanges.MiscItems === undefined) {
                res.InventoryChanges.MiscItems = [];
            }
            res.InventoryChanges.MiscItems.push(...miscItemChanges);
            combineInventoryChanges(res.InventoryChanges, changes);
        }
        if (item.reward) {
            const rewardChanges = await handleStoreItemAcquisition(item.reward.type, inventory, item.reward.count ?? 1);
            if (isNightwave && Object.keys(rewardChanges.InventoryChanges).length == 0) {
                logger.debug(`syndicate sacrifice reward did not seem to get added, giving 50 creds instead`);
                const syndicateCredsItemType = manifest.titles![0].reward!.ItemType;
                rewardChanges.InventoryChanges.MiscItems = [{ ItemType: syndicateCredsItemType, ItemCount: 50 }];
                addMiscItems(inventory, rewardChanges.InventoryChanges.MiscItems);
            }
            combineInventoryChanges(res.InventoryChanges, rewardChanges.InventoryChanges);
        }
    }
    if (isNightwave) {
        res.NewEpisodeReward = needProcess.length > 0;
    } else {
        manifest.favours.filter(x => x.rankUpReward && x.requiredLevel <= newLevel).forEach(x => {
            syndicate.FreeFavorsEarned ??= [];
            if (!syndicate.FreeFavorsEarned.includes(x.requiredLevel)) {
                syndicate.FreeFavorsEarned.push(x.requiredLevel);
            }
        })
    }
    syndicate.Title = newLevel;
    await inventory.save();

    response.json(res);
};

interface ISyndicateSacrificeRequest {
    AffiliationTag: string;
    SacrificeLevel: number;
    AllowMultiple: boolean;
}

interface ISyndicateSacrificeResponse {
    AffiliationTag: string;
    Level: number;
    LevelIncrease: number;
    InventoryChanges: IInventoryChanges;
    NewEpisodeReward: boolean;
}