import { IKeyChainRequest } from "@/src/controllers/api/giveKeyChainTriggeredItemsController";
import { isEmptyObject } from "@/src/helpers/general";
import { IMessage } from "@/src/models/inboxModel";
import { TInventoryDatabaseDocument } from "@/src/models/inventoryModels/inventoryModel";
import { createMessage } from "@/src/services/inboxService";
import { addKeyChainItems } from "@/src/services/inventoryService";
import { getKeyChainMessage } from "@/src/services/itemDataService";
import { IInventoryDatabase, IQuestKeyDatabase, IQuestStage } from "@/src/types/inventoryTypes/inventoryTypes";
import { logger } from "@/src/utils/logger";
import { HydratedDocument } from "mongoose";
import { ExportKeys } from "warframe-public-export-plus";

export interface IUpdateQuestRequest {
    QuestKeys: Omit<IQuestKeyDatabase, "CompletionDate">[];
    PS: string;
    questCompletion: boolean;
    PlayerShipEvents: unknown[];
    crossPlaySetting: string;
    DoQuestReward: boolean;
}

export const updateQuestKey = (
    inventory: HydratedDocument<IInventoryDatabase>,
    questKeyUpdate: IUpdateQuestRequest["QuestKeys"]
): void => {
    if (questKeyUpdate.length > 1) {
        logger.error(`more than 1 quest key not supported`);
        throw new Error("more than 1 quest key not supported");
    }

    const questKeyIndex = inventory.QuestKeys.findIndex(questKey => questKey.ItemType === questKeyUpdate[0].ItemType);

    if (questKeyIndex === -1) {
        throw new Error(`quest key ${questKeyUpdate[0].ItemType} not found`);
    }

    inventory.QuestKeys[questKeyIndex] = questKeyUpdate[0];

    if (questKeyUpdate[0].Completed) {
        inventory.QuestKeys[questKeyIndex].CompletionDate = new Date();
    }
};

export const updateQuestStage = (
    inventory: TInventoryDatabaseDocument,
    { KeyChain, ChainStage }: IKeyChainRequest,
    questStageUpdate: IQuestStage
): void => {
    const quest = inventory.QuestKeys.find(quest => quest.ItemType === KeyChain);

    if (!quest) {
        throw new Error(`Quest ${KeyChain} not found in QuestKeys`);
    }

    if (!quest.Progress) {
        throw new Error(`Progress should always exist when giving keychain triggered items or messages`);
    }

    const questStage = quest.Progress[ChainStage];

    if (!questStage) {
        const questStageIndex = quest.Progress.push(questStageUpdate) - 1;
        if (questStageIndex !== ChainStage) {
            throw new Error(`Quest stage index mismatch: ${questStageIndex} !== ${ChainStage}`);
        }
        return;
    }

    Object.assign(questStage, questStageUpdate);
};

export const addQuestKey = (inventory: TInventoryDatabaseDocument, questKey: IQuestKeyDatabase): void => {
    if (inventory.QuestKeys.some(q => q.ItemType === questKey.ItemType)) {
        logger.error(`quest key ${questKey.ItemType} already exists`);
        return;
    }
    inventory.QuestKeys.push(questKey);
};

export const completeQuest = async (inventory: TInventoryDatabaseDocument, questKey: string) => {
    const chainStages = ExportKeys[questKey]?.chainStages;

    if (!chainStages) {
        throw new Error(`Quest ${questKey} does not contain chain stages`);
    }

    const chainStageTotal = ExportKeys[questKey].chainStages?.length ?? 0;

    const existingQuestKey = inventory.QuestKeys.find(qk => qk.ItemType === questKey);

    if (existingQuestKey?.Completed) {
        return;
    }
    const Progress = Array(chainStageTotal).fill({
        c: 0,
        i: false,
        m: false,
        b: []
    } satisfies IQuestStage);

    const completedQuestKey: IQuestKeyDatabase = {
        ItemType: questKey,
        Completed: true,
        unlock: true,
        Progress: Progress,
        CompletionDate: new Date()
    };

    //overwrite current quest progress, might lead to multiple quest item rewards
    if (existingQuestKey) {
        existingQuestKey.overwrite(completedQuestKey);
        //Object.assign(existingQuestKey, completedQuestKey);
    } else {
        addQuestKey(inventory, completedQuestKey);
    }

    for (let i = 0; i < chainStageTotal; i++) {
        if (chainStages[i].itemsToGiveWhenTriggered.length > 0) {
            await giveKeyChainItem(inventory, { KeyChain: questKey, ChainStage: i });
        }

        if (chainStages[i].messageToSendWhenTriggered) {
            await giveKeyChainMessage(inventory, inventory.accountOwnerId.toString(), {
                KeyChain: questKey,
                ChainStage: i
            });
        }
    }
    //TODO: handle quest completions
};

export const giveKeyChainItem = async (inventory: TInventoryDatabaseDocument, keyChainInfo: IKeyChainRequest) => {
    const inventoryChanges = await addKeyChainItems(inventory, keyChainInfo);

    if (isEmptyObject(inventoryChanges)) {
        throw new Error("inventory changes was empty after getting keychain items: should not happen");
    }
    // items were added: update quest stage's i (item was given)
    updateQuestStage(inventory, keyChainInfo, { i: true });

    //TODO: Check whether Wishlist is used to track items which should exist uniquely in the inventory
    /*
    some items are added or removed (not sure) to the wishlist, in that case a 
    WishlistChanges: ["/Lotus/Types/Items/ShipFeatureItems/ArsenalFeatureItem"],
    is added to the response, need to determine for which items this is the case and what purpose this has.
    */
    //{"KeyChain":"/Lotus/Types/Keys/VorsPrize/VorsPrizeQuestKeyChain","ChainStage":0}
    //{"WishlistChanges":["/Lotus/Types/Items/ShipFeatureItems/ArsenalFeatureItem"],"MiscItems":[{"ItemType":"/Lotus/Types/Items/ShipFeatureItems/ArsenalFeatureItem","ItemCount":1}]}
};

export const giveKeyChainMessage = async (
    inventory: TInventoryDatabaseDocument,
    accountId: string,
    keyChainInfo: IKeyChainRequest
) => {
    const keyChainMessage = getKeyChainMessage(keyChainInfo);

    const message = {
        sndr: keyChainMessage.sender,
        msg: keyChainMessage.body,
        sub: keyChainMessage.title,
        att: keyChainMessage.attachments.length > 0 ? keyChainMessage.attachments : undefined,
        countedAtt: keyChainMessage.countedAttachments.length > 0 ? keyChainMessage.countedAttachments : undefined,
        icon: keyChainMessage.icon ?? "",
        transmission: keyChainMessage.transmission ?? "",
        highPriority: keyChainMessage.highPriority ?? false,
        r: false
    } satisfies IMessage;

    await createMessage(accountId, [message]);

    updateQuestStage(inventory, keyChainInfo, { m: true });
};