const Limiter                   = require("../Game/PacketLimiter");
const EquipmentLimiter          = require("../Game/EquipmentLimiter");
const Inventory                 = require("../Game/Inventory");
const Player                    = require("../Game/Player");
const Game                      = require("../Game/Game");

const playerHandlers            = require("../Handlers/Player");

const EnvironmentSetupPacket    = require("../Packets/EnvironmentSetup");

const rewardCallback            = require("../Callbacks/reward");
const attackCallback            = require("../Callbacks/attack");

const baseStarterRewards        = require("../Data/startRewards");

const { maps, players, guilds } = Game;

const queries                   = require("../Data/queries");
const { QUERY_FETCH_PLAYER_DATA, QUERY_FETCH_PLAYER_INFORMATION, QUERY_FETCH_GUILD_INFORMATION, QUERY_INSERT_DEFAULT_PLAYER, QUERY_FETCH_ACTIVE_QUESTS, QUERY_FETCH_STATUS, QUERY_FETCH_RESOURCES, QUERY_FETCH_EQUIPMENTS } = queries;

const playerEvents              = Object.keys(playerHandlers);

const PlayerBehaviour           = require("../Game/PlayerBehaviour");
const DoubleLinkedList          = require("../Utility/DoubleLinkedList");

global.actionContext            = new DoubleLinkedList();

module.exports = async function (ws) {
    console.info("Before open for", ws.username, Game.state, ws.isAdmin);
    
    if (Game.state === 0 && !ws.isAdmin) return ws.end(1337);

    ws.connectedAt = Date.now();
    let abruptDisconnectTest = performance.now();

    const ID = ws.accountID;
    const sessionID = Date.now().toString(36) + Math.random().toString(36).substring(2) + "!" + ID;
    
    socket.sockets[sessionID] = ws;

    ws.id = sessionID;
    ws.limiter = new Limiter({ 
        countThreshold: 10,
        timeThreshold: 1000
    });

    const alreadyConnectedPlayer = players[ID];
    if (alreadyConnectedPlayer) {
        const player = alreadyConnectedPlayer;

        const alreadyConnectedSoket = socket.sockets[player.sessionID];
        if (alreadyConnectedSoket) alreadyConnectedSoket.end(1);
        
        player.sessionID = sessionID;
        ws.subscribe(player.map.id.toString());

        player.map.removePlayer(player.id);
        player.map.addPlayer(player); 

        player.isUnderDisconnect = false;
    
        player.cancelDisconnect();

        const packet = EnvironmentSetupPacket(player.map.id);
        return ws.send(packet, true, true);
    };

    const playerBehaviour = new PlayerBehaviour({
        size: 16,
        buffer: global.playerBehaviourContext,
        id: ID
    });

    global.actionContext.addItem(ID, playerBehaviour);

    const generalQuery      = execute(QUERY_FETCH_PLAYER_DATA, [ID]);
    const informationQuery  = execute(QUERY_FETCH_PLAYER_INFORMATION, [ID]);
    const guildQuery        = execute(QUERY_FETCH_GUILD_INFORMATION, [ID]);
    const questQuery        = execute(QUERY_FETCH_ACTIVE_QUESTS, [ID]);
    const statusQuery       = execute(QUERY_FETCH_STATUS, [ID, true]);
    const resourcesQuery    = execute(QUERY_FETCH_RESOURCES, [ID]);
    const equipmentsQuery   = execute(QUERY_FETCH_EQUIPMENTS, [ID]);

    const res = await Promise.all([generalQuery, informationQuery, guildQuery, questQuery, statusQuery, resourcesQuery, equipmentsQuery]);
    const hasError = res.some(q => q.error !== undefined);

    if (hasError)           return;
    if (ws.isInterrupted)   return;

    let isAlive = false;
    let map = null;
    let hitpoints = { 
        current: 0, 
        maximum: 0
    };
    let position = {};
    let attemptToDoubleLog = false;
    let maximumCannonRange = 0;
    let maximumHarpoonerRange = 0;
    let textureID = 0;
    let sight = 0;
    let speed = 0;
    let globalRank = 0;
    let levelRank = 0;

    const playerFromDB          = res[0].data[0];
    const guildFromDB           = res[2].data[0];
    const questFromDB           = res[3].data;
    const statusFromDB          = res[4].data;
    const resourcesFromDB       = res[5].data;
    const equipmentsFromDB      = res[6].data;

    const statusPoints = [];

    const guildID = guildFromDB ? guildFromDB.id : 0;
    const guild = guilds[guildID];

    const selectedAmmunition    = playerFromDB ? playerFromDB.selectedAmmunitionID : 0;
    const selectedHarpoon       = playerFromDB ? playerFromDB.selectedHarpoonID : 0;

    const resourceSharedLimiter = {
        cannon: new EquipmentLimiter({
            maximum: 50
        }),
        harpooner: new EquipmentLimiter({
            maximum: 25
        }),
        sail: new EquipmentLimiter({
            maximum: 5
        }),
        pirate: new EquipmentLimiter({
            maximum: 250
        })
    };

    const inventory = new Inventory({
        resourceSharedLimiter
    });

    resourcesFromDB.forEach(r => {
        switch (r.categoryID) {
            case 6:
                statusPoints.push(r);
            break;

            case 7:
            case 8:
                const equipment = equipmentsFromDB.find(e => e.id === r.id && e.categoryID === r.categoryID);
                r.amountEquipped = equipment ? equipment.amountEquipped : 0;
            break;
        };

        inventory.refreshSingle(r);
    });
    
    inventory.setSelectedAmmunition(selectedAmmunition);
    inventory.setSelectedHarpoon(selectedHarpoon);

    if (!attemptToDoubleLog) {
        const playerHasData = playerFromDB ? true : false;
        if (!playerHasData) {
            const startingMap = maps.find(m => m.id === 1);
            const { x, y } = startingMap.grid.randomNode(10);

            textureID = 1;
            sight = 450;
            speed = 250;
            globalRank = 1;
            levelRank = 1;
            isAlive = true;
            map = startingMap;
            position = { 
                x, 
                y
            };
            hitpoints = { 
                current: 10000, 
                maximum: 50000 
            };

            baseStarterRewards.forEach(r => inventory.refreshSingle(r));

            await execute(QUERY_INSERT_DEFAULT_PLAYER, [ID, x, y, 1]);
        } else {
            textureID = playerFromDB.designID;
            sight = playerFromDB.sight;
            speed = playerFromDB.speed;
            globalRank = playerFromDB.globalRank;
            levelRank = playerFromDB.levelRank;
            isAlive = !!hitpoints;
            map = maps.find(m => m.id === playerFromDB.mapID);

            position = { 
                x: playerFromDB.x, 
                y: playerFromDB.y 
            };
            
            hitpoints = { 
                current: playerFromDB.currentHitpoints, 
                maximum: playerFromDB.maximumHitpoints
            };
        };
    };
        
    const player = new Player({
        id: ID,
        sessionID: ws.id,
        name: ws.username,
        textureID,
        map,
        guild,
        positionX: position.x,
        positionY: position.y,
        isAlive,
        hitpoints,
        maximumCannonRange,
        maximumHarpoonerRange,
        sight,
        speed,
        globalRank,
        levelRank,
        inventory,
        statusPoints,
        activeStatusEffects: statusFromDB,
        quests: questFromDB, 
        rewardCallback,
        attackCallback
    });

    player.setDesign(textureID);

    ws.subscribe(player.map.id.toString());

    playerEvents.forEach(e => player.on(e, playerHandlers[e]));
    players[ID] = player;

    const packet = EnvironmentSetupPacket(player.map.id);
    ws.send(packet, true, true);
};