//items.js mimicks inventory checking.
var Items = require('./items');

//DatabaseHelper is used throughout the script in order to mimick loading/saving.
var DatabaseHelper = require('./mockDatabase');

//addiction.js contains all the functionality regarding overdose and addiction.
var Addiction = require('./addiction');

var ODP_THRESHOLD = 10; //At more than 10 overdose points, player overdoses.
var ODP_TIME = 120000; //Each ten minutes, player loses 1 overdose point.

var drugs = [
    /*
        Drug type:
        {
            name: string            - Name of drug.
            FX_end: int (ms),       - Visual effects duration time.
            HP_end: int (ms),       - HP bonus duration time.
            HP: int                 - Amount of bonus HP.
            Anims: array            - List of animations linked to drug.
            ODP: int                - Amount of overdose points added.
        }
    */
    {
        name: "high quality cocaine",
        FX_end: 360000,
        HP_end: 1800000,
        HP: 50,
        Anims: ["DeadlineNeon"],
        ODP: 4,
    },
    {
        name: "high quality crack",
        FX_end: 300000,
        HP_end: 3600000,
        HP: 100,
        Anims: ["InchPurple"],
        ODP: 3,
    },
    {
        name: "low quality cocaine",
        FX_end: 240000,
        HP_end: 1200000,
        HP: 20,
        Anims: ["DrugsDrivingIn", "SwitchOpenNeutralFIB5"],
        ODP: 2,
    },
    {
        name: "low quality crack",
        FX_end: 480000,
        HP_end: 1200000,
        HP: 40,
        Anims: ["Dont_tazeme_bro", "PPPurple"],
        ODP: 1,
    },
    {
        name: "high quality weed",
        FX_end: 360000,
        HP_end: 3600000,
        HP: 30,
        Anims: ["MenuMGTournamentTint"],
        ODP: 0,
    },
    {
        name: "low quality weed",
        FX_end: 600000,
        HP_end: 1800000,
        HP: 10,
        Anims: ["ChopVision"],
        ODP: 0,
    },
    {
        name: "methadone",
    },

];

module.exports = {
    //This could be also under "onItemUse" or similar functions in existing script.
    //drugName can be replaced with an ID, and the switch cases properly set to match. I.e: 0 instead of "high quality cocaine", 1 instead of "high quality crack", etc.
    attemptDrugUse: function(player, drugName){

        //Check if player has the drug he's attempting to use.
        if(Items.hasItem(player, drugName) == false)
            return false;

        var drugFoundFlag = false;
        drugs.forEach((element, index) => {
            if(element.name == drugName.toLowerCase()){
                drugFoundFlag = true;
                if(element.name != "methadone"){ //If the drug isn't methadone.
                    if(this.experiencingEffects(player) == 1){ //Player is currently experiencing visual effects from a drug.
                        player.outputChatBox("You have already recently used a drug.");
                    }else if(player.getVariable('inOD') == true){
                        player.outputChatBox("You are currently overdosed, you cannot do that.");
                    }else{

                        //Add overdose points based on drug used.
                        Addiction.addODP(player, element.ODP);

                        if(playerTimers[player]['ODPTimer'] == null){ //Do not restart the timer if it already exists by making sure it isn't already set.
                            playerTimers[player]['ODPTimer'] = setInterval(() => {
                                Addiction.removeODP(player, 1);
                            }, ODP_TIME);
                            player.setVariable('ODPTimerStart', new Date().getTime());
                        }

                        if(Addiction.getODP(player) > ODP_THRESHOLD){ //If player has more points than the threshold is set to.
                            Addiction.OD(player); //Overdose the player.

                            if(this.experiencingEffects(player) == 2) //Player currently has an HP buff from a previous drug.
                                endEffects(player, 2); //Remove buffs without showing the "body returning to normal" message.
                        }else{
                            player.setVariable('drugTaken', {
                                id: index,
                                timeIngested: new Date().getTime(),
                            });

                            player.setVariable('extraHP', player.getVariable('extraHP') + element.HP);

                            var randAnimIndex = Math.floor(Math.random()*element.Anims.length);
                            player.call(`startScreenFX`, [element.Anims[randAnimIndex], element.FX_end]); //Calling remote function to start the screen effect for 6 minutes.

                            if(player.health < 100 && element.name.substr(0, 3) != "low")
                                player.health = 100;
                            else{
                                if(player.health < 100){
                                    if((player.health + element.HP) > 100){
                                        player.setVariable('extraHP', player.getVariable('extraHP') - (100 - player.health));
                                        player.health = 100;
                                    }else{
                                        player.setVariable('extraHP', null);
                                        player.health += element.HP;
                                    }
                                }
                            }

                            this.saveDrugsData(player);

                            //Timeout to end visual drug effects.
                            playerTimers[player]['endEffects1'] = setTimeout(() => {
                                endEffects(player, 0, element.Anims[randAnimIndex])
                            }, element.FX_end);

                            //Timeout to end bonus HP effect.
                            playerTimers[player]['endEffects2'] = setTimeout(() => {
                                endEffects(player, 1)
                            }, element.HP_end);

                            var displayHealth = player.health;
                            if(player.getVariable('extraHP') != null)
                                displayHealth += player.getVariable('extraHP');

                            Items.removeItem(player, element.name, 1);
                            player.outputChatBox(`The ${element.name} finds its way into your receptors, making you less susceptible to pain. You now have ${displayHealth} HP.`);

                        }
                    }
                }else{
                    if(player.getVariable('inOD') == true){
                        Addiction.unOD(player);
                        Addiction.setODP(player, 10);
                    }
                }
            }

            if(index == drugs.length-1 && drugFoundFlag == false){
                console.log('Invalid drug name.');
                return false;
            }
        });
    },

    experiencingEffects: function(player){
        if(playerTimers[player]['endEffects1'] != null) //If the timer is set so that visual effects have not yet been ended.
            return 1; //This means that the player has both, FX and HP effects.
        if(playerTimers[player]['endEffects2'] != null) //If the timer is set so that HP advantage has not yet been removed.
            return 2; //Player only has HP effects.
        return false;
    },

    saveDrugsData: function(player){
        //Saving drug taking data will be useful in case an OD happens and a medical team reviews the player's drug take history, or even for medical checkups at "work".
        var drugsData = player.getVariable('drugTaken');
        DatabaseHelper.saveData({
            drug_id: drugsData.id,
            timestamp: drugsData.timeIngested
        }, "drugUsageData");

        DatabaseHelper.saveData({
            //Save if player is experiencing effects.
            experiencingEffects: this.experiencingEffects(player),

            //Save player's amount of extra HP.
            extraHP: player.getVariable('extraHP'),

            //Save amount of HP time left on trip (if any, otherwise save as NULL).
            timeleftOnTrip: (this.experiencingEffects(player) != false ? (drugs[drugsData.id].HP_end - (new Date().getTime() - drugsData.timeIngested)) : null)

            //Save the ID of the drug the player's on (if any, otherwise save as NULL).
            onDrug: (this.experiencingEffects(player) != false ? drugsData.id : null),
        }, "playerData");
    },

    loadDrugsData: function(player){
        var data = DatabaseHelper.loadData(['ODP_Timer', 'experiencingEffects', 'extraHP', 'timeleftOnTrip', 'onDrug']);

        var ODP_Timer = data[0];
        var experiencingEffects = data[1];
        var extraHP = data[2];
        var timeleftOnTrip = data[3];
        var onDrug = data[4];

        if(experiencingEffects != false && timeleftOnTrip > 0){

            if(extraHP > 0) //Player still has extraHP left in his extraHP bank.
                player.setVariable('extraHP', extraHP);

            if(timeleftOnTrip > (drugs[onDrug].HP_end - drugs[onDrug].FX_end)){ //Still has visual effect time remaining.

                //Calculate FX time remaining by subtracting total duration left from HP duration.
                var FXtimeleft = (drugs[onDrug].HP_end - timeleftOnTrip);

                var randAnimIndex = Math.floor(Math.random()*element.Anims.length);
                player.call(`startScreenFX`, [drugs[onDrug].Anims[randAnimIndex], FXtimeleft]); //Calling remote function to start the screen effect for 6 minutes.

                playerTimers[player]['endEffects1'] = setTimeout(() => {
                    endEffects(player, 0, drugs[onDrug].Anims[randAnimIndex])
                }, FXtimeleft);
            }
            playerTimers[player]['endEffects2'] = setTimeout(() => {
                endEffects(player, 1)
            }, drugs[onDrug].HP_end);
        }

        //Creating a timer with the current time left, then setting an interval with the usual time once that time is over.
        playerTimers[player]['ODPTimer'] = setTimeout(() => {
            Addiction.removeODP(player, 1);
            clearTimeout(playerTimers[player]['ODPTimer']);
            playerTimers[player]['ODPTimer'] = setInterval(() => {
                Addiction.removeODP(player, 1);
            }, ODP_TIME);
        }, ODP_Timer);

        //Removing time left from the timer, then subtracting that from the current time so that the time left is what's remaining until ODP is subtracted.
        player.setVariable('ODPTimerStart', new Date().getTime() - (ODP_TIME - ODP_Timer));
    }
}

//Change cocaine into crack using items. (TBD)
function flipCocaine(player){

}

//Increase player skill in flipping cocaine into crack. (TBD)
function increaseDrugSkill(player){

}

function endEffects(player, type, anim = null){
    if(type == 0){ //Visual effect ending.

        //End effect on client.
        player.call(`stopScreenFX`, [anim]);

        //Clear server-sided timeout to end the effect if it hasn't been cleared.
        clearTimeout(playerTimers[player]['endEffects1']);

        //Null related variables.
        playerTimers[player]['endEffects1'] = null;
        player.setVariable('drugEffectAnim', null);

    }else{ //No more drug advantage.

        //Remove HP bonus.
        player.setVariable('extraHP', 0);

        //Clear server-sided timeout just in case.
        clearTimeout(playerTimers[player]['endEffects2']);

        //Null related variable.
        playerTimers[player]['endEffects2'] = null;

        if(type == 1)
            player.outputChatBox("Your body returns back to normal, you no longer get bonuses from drugs.");
    }
}