admins = {"pighead10","Player"}
teams = {}
rounds = {
"Group stage", --1
"Quarter final", --2
"Semi final", --3
"Final", --4
}
stages = {3,5,7,15,9}
h = Instance.new("Hint",workspace)
tourneytext = "Sword Tournament"
h.Text = tourneytext
round = 1
bluedeaths = 0
reddeaths = 0

function isAdmin(name)
    for _,v in pairs(admins) do
        if name:lower() == v:lower() then
            return true
        end
    end
end

function getTeam(name)
    local t = 1
    for _,v in pairs(teams) do
        print("name:",name,"taking:",v[1])
        if v[1]:sub(1,name:len()):lower() == name:lower() then
            print("sub:",v[1]:sub(1,name:len()))
            t = t == 1 and v or 2
        end
    end
    if t ~= 1 and t ~= 2 then
        print("team found")
        return t
    else
        return nil
    end
end

function addTeam(team,player1,player2,player3,name)
    if team then
        table.insert(teams,team)
    else
        local t = {name,player1,player2,player3}
        table.insert(teams,t)
    end
    print("Team",name,"added")
end

function blueDied()
    bluedeaths = bluedeaths + 1
end

function redDied()
    reddeaths = reddeaths + 1
end

function onChatted(msg, rec,speaker)
    --/add player1 player2 player3
    if msg:lower():sub(1,4) == "/add" then
        print("ADMIN SAID /ADD")
        local n = 6
        local name = ""
        local team = {}
        local success = true
        local space1
        local space2
        local space3
        for i = n,500 do
            n = i
            if i > msg:len() then success = false break end
            if msg:sub(i,i) == " " then
                space1 = i
                break
            end
        end
        for i = n+1,500 do
            n = i
            if i > msg:len() then success = false break end
            if msg:sub(i,i) == " " then
                space2 = i
                break
            end
        end
        for i = n+1,500 do
            n = i
            if i > msg:len() then success = false break end
            if msg:sub(i,i) == " " then
                space3 = i
                break
            end
        end
        if success then
            print("space numbers:",space1,space2,space3)
            print(msg:sub(6,space1),msg:sub(space1,space2),msg:sub(space2,space3),msg:sub(space3))
            addTeam(nil,msg:sub(6,space1),msg:sub(space1,space2),msg:sub(space2,space3),msg:sub(space3))
        end
    elseif msg:lower() == "/showteams" then
        print("showteams")
        local m = Instance.new("Message",speaker.PlayerGui)
        print("message created")
        for _,v in pairs(teams) do
            m.Text = table.concat(v,", ")
            print(table.concat(v," "))
            wait(4)
        end
        m:remove()
        print("message removed")
    elseif msg:sub(1,5) == "/duel" then
        print("ADMIN SAID /DUEL!!!")
        local n
        for i=6,500 do
            if msg:sub(i,i) == "/" then
                n = i
                break
            end
        end
        local team1 = getTeam(msg:sub(6,n))
        local team2 = getTeam(msg:sub(n))
        if team1 and team2 then
            --create player variables
            local sr = 0
            local r1 = game.Players[team1[2]]
            local r2 = game.Players[team1[3]]
            local r3 = game.Players[team1[4]]
            local rname = team1[1]
            local sb = 0
            local b1 = game.Players[team2[2]]
            local b2 = game.Players[team2[3]]
            local b3 = game.Players[team2[4]]
            local bname = team2[1]
            if r1 and r2 and r3 and b1 and b2 and b3 then
                while sr < (rounds[round]+1)/2 and sb < (rounds[round]+1)/2 do
                    local scoretext = rname.." - Red: "..sr.." | "..bname.." - Blue: "..sb.." (Best of "..rounds[round]..")"
                    h.Text = scoretext

                    --colour characters
                    b1.Torso.BrickColor = BrickColor.new("Bright blue")
                    b2.Torso.BrickColor = BrickColor.new("Bright blue")
                    b3.Torso.BrickColor = BrickColor.new("Bright blue")

                    r1.Torso.BrickColor = BrickColor.new("Bright red")
                    r2.Torso.BrickColor = BrickColor.new("Bright red")
                    r3.Torso.BrickColor = BrickColor.new("Bright red")

                    --teleport characters
                    r1:TranslateBy(script.Parent.RedBase.comb1.Position - r1:GetCFrame().p)
                    r2:TranslateBy(script.Parent.RedBase.comb2.Position - r2:GetCFrame().p)
                    r3:TranslateBy(script.Parent.RedBase.comb3.Position - r3:GetCFrame().p)

                    b1:TranslateBy(script.Parent.BlueBase.comb1.Position - b1:GetCFrame().p)
                    b2:TranslateBy(script.Parent.BlueBase.comb2.Position - b2:GetCFrame().p)
                    b3:TranslateBy(script.Parent.BlueBase.comb3.Position - b3:GetCFrame().p)

                    --give swords
                    local sword = game.Lighting.LinkedSword
                    sword:clone().Parent = r1
                    sword:clone().Parent = r2
                    sword:clone().Parent = r3
                    sword:clone().Parent = b1
                    sword:clone().Parent = b2
                    sword:clone().Parent = b3

                    --register on death
                    local con1 = r1.Humanoid.Died:connect(redDied)
                    local con2 = r2.Humanoid.Died:connect(redDied)
                    local con3 = r3.Humanoid.Died:connect(redDied)

                    local con4 = b1.Humanoid.Died:connect(blueDied)
                    local con5 = b2.Humanoid.Died:connect(blueDied)
                    local con6 = b3.Humanoid.Died:connect(blueDied)

                    --wait until a team loses
                    repeat wait() until bluedeaths == 3 or reddeaths == 3
                    local mtext = ""
                    if bluedeaths == 3 and reddeaths ~= 3 then
                        mtext = bname.." (Blue) won the duel."
                        bs = bs + 1
                    elseif reddeaths == 3 and bluedeaths ~= 3 then
                        mtext = rname.." (Red) won the duel."
                        rs = rs + 1
                    else
                        mtext = "There was a tie! There must be a rematch."
                    end

                    local scoretext = rname.." - Red: "..sr.." | "..bname.." - Blue: "..sb.." (Best of "..rounds[round]..")"
                    h.Text = scoretext

                    local ms = Instance.new("Message",workspace)
                    m.Text = mtext
                    wait(5)
                    ms:remove()

                    con1:disconnect()
                    con2:disconnect()
                    con3:disconnect()
                    con4:disconnect()
                    con5:disconnect()
                    con6:disconnect()

                    bluedeaths = 0
                    reddeaths = 0
                end
                if sb > sr then
                    local ms = Instance.new("Message",workspace)
                    ms.Text = bname.." won this round in the "..tourneytext.."!"
                    wait(4)
                    ms:remove()
                    b1.Humanoid.Health = 0
                    b2.Humanoid.Health = 0
                    b3.Humanoid.Health = 0
                elseif sr > sb then
                    local ms = Instance.new("Message",workspace)
                    ms.Text = rname.." won this round in the "..tourneytext.."!"
                    wait(4)
                    ms:remove()
                    r1.Humanoid.Health = 0
                    r2.Humanoid.Health = 0
                    r3.Humanoid.Health = 0
                end
                h.Text = tourneytext
            else
                local m = Instance.new("Message",workspace)
                m.Text = "Player missing! Maybe he left, or the name was typed into the team incorrectly!"
                wait(4)
                m:remove()
            end
        else
            print("Team is nil! It may be ambiguous!")
            local m = Instance.new("Message",speaker.PlayerGui)
            m.Text = "Team is nil! It may be ambiguous!"
            wait(3)
            m:remove()
        end
    elseif msg:sub(1,8):lower() == "/tourney" then
        local m = msg:sub(9)
        if m then
            tourneytext = m
            h.Text = tourneytext
        end
    elseif msg:sub(1,6):lower() == "/round" then
        local m = tonumber(msg:sub(7))
        if m then
            round = m
        end
    elseif msg:sub(1,8):lower() == "/getteam" then
        local m = msg:sub(9)
        if m then
            local t = getTeam(m)
            if t then
                local h = Instance.new("Message",speaker.PlayerGui)
                h.Text = table.concat(t," ")
                wait(4)
                h:remove()
            end
        end
    end
end

game.Players.PlayerAdded:connect(function(player)
    if isAdmin(player.Name) then
        print("PLAYER ISH ADMIN")
        player.Chatted:connect(function(msg,r) onChatted(msg,r,player) end)
    end
end)