import { MatrixClient } from "matrix-js-sdk";
import type { ICallbackStore } from "../types.js";
import { config } from "../../config.js";
import { getPlayerById, getRace } from "../../services/game/entity.js";
import {
    getLocation,
    getLocationDistance,
} from "../../services/game/location.js";
import { getLevel } from "../../services/game/game.js";
import {
    getFullItemName,
    getTotalStats,
    type IItem,
    type IStat,
    type Location,
} from "../../services/game/index.js";
let client: MatrixClient;

const gamePrefix = `${config.app.triggerPrefix}game`;

const registerModuleGame = (
    matrixClient: MatrixClient,
    callbackStore: ICallbackStore,
) => {
    client = matrixClient;

    callbackStore.messageCallbacks.push({
        startConditions: [`${gamePrefix} help`],
        callbackFunc: onHelp,
    });
    callbackStore.messageCallbacks.push({
        startConditions: [`${gamePrefix} status`],
        callbackFunc: onStatus,
    });
    callbackStore.messageCallbacks.push({
        startConditions: [`${gamePrefix} inventory`],
        callbackFunc: onInventory,
    });
    callbackStore.messageCallbacks.push({
        startConditions: [`${gamePrefix} location`],
        callbackFunc: onLocation,
    });
    callbackStore.messageCallbacks.push({
        startConditions: [`${gamePrefix} nearby`],
        callbackFunc: onNearby,
    });
};

const onHelp = (_text: string, roomId: string) => {
    client.sendHtmlMessage(
        roomId,
        "",
        `<ul>
            <li><b>!game help</b> - Prints this help message</li>
            <li><b>!game status</b> - Prints information about your character</li>
            <li><b>!game inventory</b> - Shows your inventory</li>
            <li><b>!game inventory {index}</b> - Shows information about an item in your inventory</li>
            <li><b>!game location</b> - Shows information about your current location</li>
            <li><b>!game nearby</b> - Shows nearby locations</li>
            <li><b>(WIP) !game travel {location}</b> - Travel to a location</li>
            <li><b>(WIP) !game talk {entity}</b> - Talk to an entity</li>
            <li><b>(WIP) !game fight {entity}</b> - Fight an entity</li>
            <li><b>(WIP) !game work {action}</b> - Start work</li>
        </ul>`,
    );
};

const onStatus = (_text: string, roomId: string, sender: string) => {
    const player = getPlayerById(sender);
    const race = getRace(player.race);
    const location = getLocation(player.location);

    const level = getLevel(player.experience);

    client.sendHtmlMessage(
        roomId,
        "",
        `<ul>
            <li><b>Name:</b> ${player.name}</li>
            <li><b>Description:</b> ${player.description}</li>
            <li><b>Race:</b> ${race.name}</li>
            <li><b>Location:</b> ${location.name}</li>
            <li><b>Level:</b> ${level.level} - ${level.experienceInLevel}/${level.experienceToNextLevel} exp</li>
            <li><b>Vitality:</b> ${player.vitality}</li>
            <li><b>Strength:</b> ${player.strength}</li>
            <li><b>Endurance:</b> ${player.endurance}</li>
            <li><b>Agility:</b> ${player.agility}</li>
            <li><b>Dexterity:</b> ${player.dexterity}</li>
            <li><b>Intelligence:</b> ${player.intelligence}</li>
            <li><b>Wisdom:</b> ${player.wisdom}</li>
            <li><b>Stealth:</b> ${player.stealth}</li>
            <li><b>Charisma:</b> ${player.charisma}</li>
            <li><b>Lockpicking:</b> ${player.lockpicking}</li>
        </ul>`,
    );
};

const onInventory = (text: string, roomId: string, sender: string) => {
    const player = getPlayerById(sender);

    const itemIndex = text.replace(`${gamePrefix} location `, "").trim();
    const itemIndexInt = Number(itemIndex);
    if (!isNaN(itemIndexInt)) {
        const item = player.inventory.items[itemIndexInt];
        if (!item) {
            client.sendTextMessage(roomId, "No item with that index found");
            return;
        }

        const totalStats = getTotalStats(item);

        const mapDamage = (stat: IStat): string => {
            return `<li><b>Damage type:</b> ${stat.damageType}</li><li><b>Damage:</b> ${stat.damage}</li>`;
        };

        const mapAbility = (stat: IStat): string => {
            return `<li><${stat.abilityType}</li>`;
        };

        client.sendHtmlMessage(
            roomId,
            "",
            `<p>${getFullItemName(item)}</p>
            <ul>
                <li><b>Description:</b> ${item.description}</li>
                <li><b>Durability:</b> ${item.durability}/100</li>
                <li><b>Value:</b> ${item.value}</li>
                <li><b>Type:</b> ${item.type}</li>
                <li><b>Rarity:</b> ${item.rarity}</li>
                <li><b>Total damage:</b> ${totalStats.damage}</li>
                <li><b>Total defence:</b> ${totalStats.defense}</li>
            </ul>
            <p>Damage:</p>
            <ul>
                ${item.stats.map(mapDamage)}
            </ul>
            <p>Abilities:</p>
            <ul>
                ${item.stats.map(mapAbility)}
            </ul>`,
        );
    }

    const mapItem = (item: IItem, index: number): string => {
        const fullName = getFullItemName(item);

        return `<b>(${index})</b> ${fullName}`;
    };

    client.sendHtmlMessage(
        roomId,
        "",
        `<p>Your inventory (${player.name})</p>
        <ul>
            ${player.inventory.items.map(mapItem).join(",")}
        </ul>`,
    );
};

const onLocation = (_text: string, roomId: string, sender: string) => {
    const player = getPlayerById(sender);
    const location = getLocation(player.location);

    client.sendHtmlMessage(
        roomId,
        "",
        `<ul>
            <li><b>Player:</b> ${player.name}</li>
            <li><b>X:</b> ${location.X}</li>
            <li><b>Y:</b> ${location.Y}</li>
            <li><b>Location Name:</b> ${location.name}</li>
        </ul>
        <p>${location.description}</p>`,
    );
};

const onNearby = (_text: string, roomId: string, sender: string) => {
    const player = getPlayerById(sender);
    const location = getLocation(player.location);

    const mapLocation = (locId: Location): string => {
        const locData = getLocation(locId);
        const distance = getLocationDistance(location, locData);

        return `<li><b>${locData.name}</b> - ${distance.toFixed(1)}km - <i>${locData.description}</i></li>`;
    };

    client.sendHtmlMessage(
        roomId,
        "",
        `<p>There are ${location.childLocations.length} locations around you (${player.name})</p>
        <ul>
            ${location.childLocations.map(mapLocation).join("\n")}
        </ul>`,
    );
};

export { registerModuleGame };