local NightCity_MapId=881225265
local NightCity_Y=23094
local NightCity_Mobs={9010424,9010425,9010426,2010433}

function NightCity_SpawnRandom(typeId,instanceId,cx,cy,cz,count,radius)
    for i=1,count do
        map.MapCreateCreature(NightCity_MapId,instanceId,typeId,cx+math.random(-radius,radius),cy,cz+math.random(-radius,radius))
    end
end

function NightCity_StartWave(instanceId,wave)
    local cx=map.GetMapScriptData(NightCity_MapId,instanceId,1,5) or 612
    local cz=map.GetMapScriptData(NightCity_MapId,instanceId,1,6) or 672

    map.SetMapScriptData(NightCity_MapId,instanceId,1,2,wave)
    map.SetMapScriptData(NightCity_MapId,instanceId,1,3,0)
    map.SetMapScriptData(NightCity_MapId,instanceId,1,4,0)

    if wave==10 then
        map.MapCreateCreature(NightCity_MapId,instanceId,9010421,cx,NightCity_Y,cz)
    elseif wave==20 then
        map.MapCreateCreature(NightCity_MapId,instanceId,9010422,cx,NightCity_Y,cz)
    elseif wave>=30 then
        map.MapCreateCreature(NightCity_MapId,instanceId,9010423,cx,NightCity_Y,cz)
    else
        local idx=((wave-1)%4)+1
        local mainMob=NightCity_Mobs[idx]
        local extraMob=NightCity_Mobs[idx%4+1]
        local countMain=6+math.floor(wave*0.7)

        if countMain>24 then
            countMain=24
        end

        NightCity_SpawnRandom(mainMob,instanceId,cx,NightCity_Y,cz,countMain,20)
        NightCity_SpawnRandom(extraMob,instanceId,cx,NightCity_Y,cz,4,20)
        map.SetMapScriptData(NightCity_MapId,instanceId,1,4,countMain+4)
    end
end

function NightCity_BeginEvent(instanceId,x,z)
    map.SetMapScriptData(NightCity_MapId,instanceId,1,1,1)
    map.SetMapScriptData(NightCity_MapId,instanceId,1,5,x)
    map.SetMapScriptData(NightCity_MapId,instanceId,1,6,z)
    NightCity_StartWave(instanceId,1)
end

function NightCity_OnMobDie(mapId,instanceId,creatureId,creatureTypeId,killerId)
    local wave=map.GetMapScriptData(NightCity_MapId,instanceId,1,2) or 0
    local target=map.GetMapScriptData(NightCity_MapId,instanceId,1,4) or 0

    if wave>0 and target>0 then
        local kills=(map.GetMapScriptData(NightCity_MapId,instanceId,1,3) or 0)+1
        map.SetMapScriptData(NightCity_MapId,instanceId,1,3,kills)

        if kills>=target then
            map.SetMapScriptData(NightCity_MapId,instanceId,1,4,0)
            NightCity_StartWave(instanceId,wave+1)
        end
    end
end

function NightCity_OnBossDie(mapId,instanceId,creatureId,creatureTypeId,killerId)
    local wave=map.GetMapScriptData(NightCity_MapId,instanceId,1,2) or 0
    local x,y,z=unit.GetPosition(mapId,instanceId,creatureId)

    if creatureTypeId==9010421 then
        if wave==10 then
            NightCity_StartWave(instanceId,11)
        end
        role.AddRoleItem(mapId,instanceId,killerId,1350235,1,-1,8,420)
        role.AddRoleItem(mapId,instanceId,killerId,7101277,5,-1,8,420)

    elseif creatureTypeId==9010422 then
        if wave==20 then
            NightCity_StartWave(instanceId,21)
        end
        role.AddRoleItem(mapId,instanceId,killerId,1350236,1,-1,8,420)
        role.AddRoleItem(mapId,instanceId,killerId,7101277,10,-1,8,420)

    elseif creatureTypeId==9010423 then
        map.MapCreateCreature(NightCity_MapId,instanceId,9010420,x,y,z)
        role.AddRoleItem(mapId,instanceId,killerId,6610604,1,-1,8,420)
        role.AddRoleItem(mapId,instanceId,killerId,7101277,20,-1,8,420)
    end
end

function NightCity_OnPlayerEnter(mapId,instanceId,roleId)
    local state=map.GetMapScriptData(NightCity_MapId,instanceId,1,1)

    if state==nil or state==0 then
        local x,_,z=unit.GetPosition(mapId,instanceId,roleId)
        NightCity_BeginEvent(instanceId,x,z)
    end
end

aux.RegisterMapEvent("s02_2",2,"NightCity_OnPlayerEnter")

for _,id in ipairs(NightCity_Mobs) do
    aux.RegisterCreatureEvent(id,4,"NightCity_OnMobDie")
end

for _,id in ipairs({9010421,9010422,9010423}) do
    aux.RegisterCreatureEvent(id,4,"NightCity_OnBossDie")
end