#---------------------------------------------------------------------------------------------
options:
    prefix: &7[&6Trading&7] &f
    command: /trade
    aliases: /trading, /trade
    usage: &cThe correct command is &l/trade (player) &cmake sure that the user is online.
    header: "     &5&nYours&r              &4&nTheirs"
    #The item dividing each side
    divider: gray stained glass pane named "&6"
    #The item to click and move back a step
    cancel: red stained glass pane named "&cClick me to cancel trade"
    #state 0 - when the user opens the gui
    state0: orange stained glass pane named "&5Click me to accept trade"
    #state 1 - when the user is ready to accept
    state1: yellow stained glass pane named "&6Click me again to confirm trade"
    #state 2 - when the user is ready to accept
    state2: green stained glass pane named "&aWaiting on tradee..."
    #otherstate is the what the other tradee will see.
    #otherstate 0 - when the user opens the gui
    otherstate0: orange stained glass pane named "&6Other tradee's state"
    #otherstate 1 - when the user is ready to accept
    otherstate1: yellow stained glass pane named "&6Waiting for you to accept"
    #time before the request expires.
    timeout: 2 minutes
    #should users in creative be allowed to trade?
    trade-creative: false
    #should users within a range only be allowed to trade?
    trade-range: true
    range: 50

    #Messages
    sent: &aTrade request sent to %argument parsed as player%
    trade: &6&l%player% &6has requested to make a trade with you. Type &a&l/trade accept &6to accept or &c&l/trade deny &6to deny.
    already: &cYou have already requested a trade. To cancel trade type &l/trade cancel
    cancelled: &cYou cancelled your trade request.
    deny: &cYou denied your trade request.
    denied: &cYour trade reqest was denied.
    timed-out: &cThe request to %argument parsed as player% has expired.
    no-trade: &cYou have no trade requests pending.
    close-inventory-trade: &cThe user you were trading with has cancelled the trade.
    max-slots: You may only insert up to 20 slots worth of items.
    complete: The trade has been successful.
    reload: The trading system has been reloaded by the console, all trades refunded.
    trade-self: You can't trade with yourself, that's pointless.
    no-permission: You don't have the correct permissions to trade with users.
    creative: You can't trade when in creative mode.
    outofrange: You can't trade with this user because they're too far away, you need to be atleast 10 blocks away.
#---------------------------------------------------------------------------------------------
on script unload:
    loop all players:
        if name of loop-player's current inventory is {@header}:
            loop {trading::temp::slots::*}:
                if slot loop-value-2 of loop-player's current inventory is not air:
                    add slot loop-value-2 of loop-player's current inventory to loop-player's inventory
                    set slot loop-value-2 of loop-player's current inventory to air
            close loop-player's inventory
            message "{@prefix}{@reload}" to loop-player
    delete {trading::temp::*}
on script load:
    wait a tick
    set {trading::temp::slots::*} to 0, 1, 2, 3, 9, 10, 11, 12, 18, 19, 20, 21, 27, 28, 29, 30, 36, 37, 38 and 39
command {@command} [<string = "0">]:
    aliases: {@aliases}
    trigger:
        if argument is "0":
            message "{@prefix}{@usage}"
        else if argument is "accept":
            loop all players:
                {trading::temp::player::%loop-player%::request} is player
                delete {trading::temp::player::%loop-player%::request}
                set {_user} to loop-player
                exit loop
            if {_user} is not set:
                message "{@prefix}{@no-trade}"
                stop
            set {trading::temp::player::%{_user}%::state} and {trading::temp::player::%player%::state} to 0
            set {trading::temp::player::%{_user}%::trading} to player
            set {trading::temp::player::%player%::trading} to {_user}
            set {trading::temp::player::%player%::inventory} to chest inventory with 6 rows named {@header}
            set {trading::temp::player::%{_user}%::inventory} to chest inventory with 6 rows named {@header}
            set slots integers between 45 and 48 of {trading::temp::player::%player%::inventory} to {@state0}
            set slots integers between 50 and 53 of {trading::temp::player::%player%::inventory} to {@otherstate0}
            set slots integers between 45 and 48 of {trading::temp::player::%{_user}%::inventory} to {@state0}
            set slots integers between 50 and 53 of {trading::temp::player::%{_user}%::inventory} to {@otherstate0}
            set slot 48 of {trading::temp::player::%player%::inventory} to {@cancel}
            set slot 48 of {trading::temp::player::%{_user}%::inventory} to {@cancel}
            set slots 4, 13, 22, 31, 40 and 49 of {trading::temp::player::%player%::inventory} to {@divider}
            set slots 4, 13, 22, 31, 40 and 49 of {trading::temp::player::%{_user}%::inventory} to {@divider}
            open {trading::temp::player::%player%::inventory} to player
            open {trading::temp::player::%{_user}%::inventory} to {_user}
        else if argument is "deny":
            loop all players:
                if {trading::temp::player::%loop-player%::request} is player:
                    delete {trading::temp::player::%loop-player%::request}
                    message "{@prefix}{@denied}" to loop-player
                    set {_found} to true
            if {trading::temp::player::%player%::request} and {_found} are not set:
                message "{@prefix}{@no-trade}"
            else:
                message "{@prefix}{@deny}"
                delete {trading::temp::player::%player%::request}
        else if argument is "cancel":
            if {trading::temp::player::%player%::trading} is set:
                close player's inventory
            else if {trading::temp::player::%player%::request} is not set:
                message "{@prefix}{@no-trade}"
                stop
            delete {trading::temp::player::%player%::request}
            message "{@prefix}{@cancelled}"
        else if argument parsed as player is online:
            if {trading::temp::player::%player%::request} or {trading::temp::player::%player%::trading} is set:
                message "{@prefix}{@already}"
                stop
            if argument parsed as player is player:
                message "{@prefix}{@trade-self}"
                stop
            if gamemode of player is creative:
                {@trade-creative} is true
                message "{@prefix}{@creative}"
                stop
            if distance between player and argument parsed as player > {@range}:
                {@trade-range} is true
                message "{@prefix}{@outofrange}"
                stop
            message "{@prefix}{@trade}" to argument parsed as player
            message "{@prefix}{@sent}"
            set {trading::temp::player::%player%::request} to argument parsed as player
            while {trading::temp::player::%player%::request} is set:
                wait a second
                add a second to {_tracker}
                if {_tracker} >= {@timeout}:
                    {trading::temp::player::%player%::request} is set
                    delete {trading::temp::player::%player%::request}
                    message "{@prefix}{@timed-out}"
        else:
            message "{@prefix}{@usage}"
on inventory close:
    {trading::temp::player::%player%::state} is set
    {trading::temp::player::%player%::state} < 4
    set {_user} to {trading::temp::player::%player%::trading}
    #Cancels any trades the user may have.
    if name of event-inventory is {@header}:
        loop {trading::temp::slots::*}:
            if slot loop-value of event-inventory is not air:
                add slot loop-value of event-inventory to player's inventory
                set slot loop-value of event-inventory to air
            if slot loop-value of {trading::temp::player::%{_user}%::inventory} is not air:
                add slot loop-value of {trading::temp::player::%{_user}%::inventory} to {_user}'s inventory
                set slot loop-value of {trading::temp::player::%{_user}%::inventory} to air
    delete {trading::temp::player::%{trading::temp::player::%player%::trading}%::*}
    message "{@prefix}{@close-inventory-trade}" to {trading::temp::player::%player%::trading}
    message "{@prefix}{@cancelled}"
    close inventory of {trading::temp::player::%player%::trading}
    delete {trading::temp::player::%player%::*}
on inventory click:
    if name of current inventory is {@header}:
        cancel event
        set {_user} to {trading::temp::player::%player%::trading}
        if clicked inventory is not the player's inventory:
            if clicked slot is between 45 and 48:
                play sound "UI_BUTTON_CLICK" with volume 1 with pitch 1 at player's location for player
                if clicked slot is 48:
                    #They want to cancel the trade.
                    close player's inventory
                else:
                    #They want to accept the trade.
                    if {trading::temp::player::%player%::state} is 0:
                        set slots integers between 45 and 48 of {trading::temp::player::%player%::inventory} to {@state2}
                        set slots integers between 50 and 53 of {trading::temp::player::%{_user}%::inventory} to {@otherstate1}
                        set slot 48 of {trading::temp::player::%player%::inventory} to {@cancel}
                        set {trading::temp::player::%player%::state} to 1
                        if {trading::temp::player::%player%::state} and {trading::temp::player::%{_user}%::state} are 1:
                            set slots integers between 45 and 48 of {trading::temp::player::%player%::inventory} to {@state1}
                            set slots integers between 50 and 53 of {trading::temp::player::%player%::inventory} to {@otherstate0}
                            set slots integers between 45 and 48 of {trading::temp::player::%{_user}%::inventory} to {@state1}
                            set slots integers between 50 and 53 of {trading::temp::player::%{_user}%::inventory} to {@otherstate0}
                            set slot 48 of {trading::temp::player::%player%::inventory} to {@cancel}
                            set slot 48 of {trading::temp::player::%{_user}%::inventory} to {@cancel}
                            set {trading::temp::player::%{_user}%::state} and {trading::temp::player::%player%::state} to 2
                    else if {trading::temp::player::%player%::state} is 2:
                        #Second round of confirming trade.
                        set slots integers between 45 and 48 of {trading::temp::player::%player%::inventory} to {@state2}
                        set slots integers between 50 and 53 of {trading::temp::player::%{_user}%::inventory} to {@otherstate1}
                        set slot 48 of {trading::temp::player::%player%::inventory} to {@cancel}
                        set {trading::temp::player::%player%::state} to 3
                        if {trading::temp::player::%player%::state} and {trading::temp::player::%{_user}%::state} are 3:
                            loop {trading::temp::slots::*}:
                                if slot loop-value of {trading::temp::player::%player%::inventory} is not air:
                                    add slot loop-value of {trading::temp::player::%player%::inventory} to inventory of {_user}
                                    set slot loop-value of {trading::temp::player::%player%::inventory} to air
                                if slot loop-value of {trading::temp::player::%{_user}%::inventory} is not air:
                                    add slot loop-value of {trading::temp::player::%{_user}%::inventory} to inventory of player
                                    set slot loop-value of {trading::temp::player::%{_user}%::inventory} to air
                            delete {trading::temp::player::%player%::*}
                            delete {trading::temp::player::%{_user}%::*}
                            message "{@prefix}{@complete}" to player and {_user}
                            play sound "ENTITY_PLAYER_LEVELUP" with volume 1 with pitch 1 at player's location for player
                            play sound "ENTITY_PLAYER_LEVELUP" with volume 1 with pitch 1 at {_user}'s location for {_user}
                            close inventory of player and {_user}
            else:
                #Gives back the item they have added to the trade.
                loop {trading::temp::slots::*}:
                    loop-value is clicked slot
                    slot loop-value of current inventory is not air
                    add slot loop-value of current inventory to player's inventory
                    set slot loop-value of current inventory to air
                    set slot loop-value + 5 of {trading::temp::player::%{_user}%::inventory} to air
                    play sound "ENTITY_EXPERIENCE_ORB_PICKUP" with volume 1 with pitch 1 at player's location for player
                    stop
        else:
            #Add item to the trade.
            slot clicked slot of clicked inventory is not air
            loop {trading::temp::slots::*}:
                if slot loop-value of current inventory is air:
                    set slot loop-value of current inventory to event-item
                    set slot loop-value + 5 of {trading::temp::player::%{_user}%::inventory} to event-item
                    play sound "ENTITY_EXPERIENCE_ORB_PICKUP" with volume 1 with pitch 4 at player's location for player
                    set slot clicked slot of clicked inventory to air
                    if {trading::temp::player::%player%::state} is not 0:
                        set {trading::temp::player::%{_user}%::state} and {trading::temp::player::%player%::state} to 0
                        set slots integers between 45 and 48 of {trading::temp::player::%player%::inventory} to {@state0}
                        set slots integers between 50 and 53 of {trading::temp::player::%player%::inventory} to {@otherstate0}
                        set slots integers between 45 and 48 of {trading::temp::player::%{_user}%::inventory} to {@state0}
                        set slots integers between 50 and 53 of {trading::temp::player::%{_user}%::inventory} to {@otherstate0}
                        set slot 48 of {trading::temp::player::%player%::inventory} to {@cancel}
                        set slot 48 of {trading::temp::player::%{_user}%::inventory} to {@cancel}
                    stop
            message "{@prefix}{@max-slots}"