function gui1(p: player):
    set {_} to chest inventory with 3 rows named "Gui"
    set slot (integers between 0 and 27) of {_} to black stained glass pane
    set slot 12 of {_} to red wool named "&cWeź pocztówki"
    set slot 13 of {_} to sunflower named "&6Obierz nagrodę" with lore "&6Aby odebrać nagrode dostarcz 7 pocztówek" and "&6Dostarczyłeś %{dost::%{_p}%}%/7 pocztówek"
    if {pocztk::%{_p}%::*} is not set:
        set slot 14 of {_} to map named "&2Lokacje pocztówek" with lore "&2Brak"
    else:
        set slot 14 of {_} to map named "&2Lokacje pocztówek"
        set {_m} to 0
        loop 7 times:
            add 1 to {_m}
            if {pocztk::%{_p}%::%{_m}%} is not set:
                set line {_m} of lore of slot 14 of {_} to "%{_m}%. &aWykonane"
            else:
                set {_x::1} to x-loc of {pocztk::%{_p}%::%{_m}%} 
                set {_x::2} to y-loc of {pocztk::%{_p}%::%{_m}%} 
                set {_x::3} to z-loc of {pocztk::%{_p}%::%{_m}%} 
                set line {_m} of lore of slot 14 of {_} to "%{_m}%. &ax: %{_x::1}% y: %{_x::2}% z: %{_x::3}%"
                clear {_x::*}
    set slot 22 of {_} to barrier named "&cZrezygnuj" with lore "&cWcisnij aby zrezygnowac z dostarczenia pocztówki"  
    open {_} to {_p}  

on right click:
    name of clicked entity is "SZEF"
    gui1(player)
on tab complete of "/configpoczta":
    set tab completions for position 1 to "dodaj", "reset" and "lista"

on inventory click:
    event-inventory is not player's inventory 
    if name of event-inventory is "Gui":
        cancel event
        if clicked slot is 12:
            if {dost::%player%} >= 7:
                send "&cDostarczyłeś już 7 pocztówek! Idź odebrać nagrodę"
            else:
                if {pocztk::%player%::*} is not set:
                    set {_a::*} to {kordyskrzynie::*}
                    loop 7 times:
                        set {_b} to random element of {_a::*}
                        remove {_b} from {_a::*}
                        add {_b} to {pocztk::%player%::*}
                        clear {_b}
                    send "&6Wziąłeś zlecenie na pocztówkę"
                    close player's inventory 
                    gui1(player)
                else:
                    send "&cMasz już zlecenie na pocztówkę!"
                    close player's inventory
        if clicked slot is 13:
            if {dost::%player%} >= 7:
                set {dost::%player%} to 0
                set {_} to random integer between 100 and 120
                add {_} to balance of player
                send "&2Otrzymałeś %{_}%$!"
                close player's inventory
                gui1(player)
            else:
                send "&6Nie dostarczyłeś 7 pocztówek!"
        if clicked slot is 22:
            delete {pocztk::%player%::*}
            send "&cZrezygnowałeś z pocztówek"
            close player's inventory
            gui1(player)
    if name of event-inventory is "&aPocztowki":
        cancel event


variables:
    {dost::%player%} = 0     
on right click:
    {pocztk::%player%::*} contains location of clicked block
    remove location of clicked block from {pocztk::%player%::*}
    add 1 to {dost::%player%}
    send "&cDostarczono pocztówkę"
    stop
    

command /configpoczta [<text>]:
    permission: op
    permission message: &cGdzie z łapami
    trigger:
        if arg 1 is not set:
            send "&bKomendy:%nl%&f-&3/configpoczta dodaj &f- dodaje blok pod wpisującym do listy pocztowek%nl%&f-&3/configpoczta reset &f-usuwa wszystkie dane zwiazane ze skryptem%nl%&f-&3/configpoczta reset &f- wyswietla liste lokacji poczt"
        if arg 1 is "dodaj":
            loop {kordyskrzynie::*}:
                loop-value is location of block 0.3 meters below player
                send "&cTen blok jest już dodany!"
                stop
            add location of block 0.3 meters below player to {kordyskrzynie::*} 
            send "&cDodano blok"
        if arg 1 is "reset":
            delete {kordyskrzynie::*} 
            delete {pocztk::*}  
            set {dost::%player%} to 0
        if arg 1 is "lista":
            send {kordyskrzynie::*}
command /pocztowki:
    trigger:
        set {_p} to player
        set {_} to chest inventory with 1 row named "&aPocztowki"
        set slot (integers between 0 and 9) of {_} to black stained glass pane
        if {pocztk::%{_p}%::*} is not set:
            set slot 4 of {_} to map named "&2Lokacje pocztówek" with lore "&2Brak"
        else:
            set slot 4 of {_} to map named "&2Lokacje pocztówek"
            set {_m} to 0
            loop 7 times:
                add 1 to {_m}
                if {pocztk::%{_p}%::%{_m}%} is not set:
                    set line {_m} of lore of slot 4 of {_} to "%{_m}%. &aWykonane"
                else:
                    set {_x::1} to x-loc of {pocztk::%{_p}%::%{_m}%} 
                    set {_x::2} to y-loc of {pocztk::%{_p}%::%{_m}%} 
                    set {_x::3} to z-loc of {pocztk::%{_p}%::%{_m}%} 
                    set line {_m} of lore of slot 4 of {_} to "%{_m}%. &ax: %{_x::1}% y: %{_x::2}% z: %{_x::3}%"
                    clear {_x::*}
        open {_} to player