local Functions = require 'maps.dungeons.functions'
local DungeonsTable = require 'maps.dungeons.table'

local table_shuffle_table = table.shuffle_table
local table_insert = table.insert
local table_remove = table.remove
local math_random = math.random
local math_abs = math.abs

local ores = {'iron-ore', 'copper-ore', 'coal', 'stone'}

local function glitch(surface, room)
    local dungeontable = DungeonsTable.get_dungeontable()
    for _, tile in pairs(room.path_tiles) do
        surface.set_tiles({{name = 'lab-white', position = tile.position}}, true)
    end

    if not room.room_border_tiles[1] then
        return
    end

    table_shuffle_table(room.room_tiles)
    for key, tile in pairs(room.room_tiles) do
        surface.set_tiles({{name = 'lab-dark-1', position = tile.position}}, true)
        if math_random(1, 3) == 1 then
            surface.create_entity({name = ores[math_random(1, #ores)], position = tile.position, amount = Functions.get_common_resource_amount(surface.index)})
        end
        if math_random(1, 12) == 1 then
            surface.create_entity({name = Functions.roll_worm_name(surface.index), position = tile.position, force = dungeontable.enemy_forces[surface.index]})
        end
        if math_random(1, 96) == 1 then
            Functions.common_loot_crate(surface, tile.position)
        else
            if math_random(1, 160) == 1 then
                Functions.uncommon_loot_crate(surface, tile.position)
            end
        end
    end

    if room.center then
        if math_random(1, 8) == 1 then
            for x = -1, 1, 1 do
                for y = -1, 1, 1 do
                    local p = {room.center.x + x, room.center.y + y}
                    local tile = 'water'
                    if math_random(1, 2) == 1 then
                        tile = 'deepwater'
                    end
                    surface.set_tiles({{name = tile, position = p}})
                    if math_random(1, 4) == 1 then
                        surface.create_entity({name = 'fish', position = p})
                    end
                end
            end
        else
            if math_random(1, 4) == 1 then
                surface.create_entity({name = 'crude-oil', position = room.center, amount = Functions.get_crude_oil_amount(surface.index)})
            end
        end
    end

    table_shuffle_table(room.room_border_tiles)
    for key, tile in pairs(room.room_border_tiles) do
        surface.set_tiles({{name = 'lab-dark-2', position = tile.position}}, true)
    end

    for key, tile in pairs(room.room_border_tiles) do
        if key % 8 == 1 then
            Functions.place_border_rock(surface, tile.position)
        end
    end
end

return glitch