local flowers = beautiflowers.flowers

--[[Amount of flowers that you want to be generated
    5 = normal
    less than 5= just a little
    more than 5 = a lot of flowers
]]--

local FLOWERS_AMOUNT = 5

--Maximum height that you want to spawn flowers (min 1, max 30000)
local MAX_HEIGHT = 500

local function register_pasto (name)

    minetest.register_decoration ({
        name = "beautiflowers:"..name,
        deco_type = "simple",
        place_on = {"default:dirt_with_grass","default:dirt"},
        sidelen = 16,
        noise_params = {
            offset = -0.03,
            scale = 0.07,
            spread = {x = 100, y = 100, z = 100},
            seed = 1602,
            octaves = 3,
            persist = 1,
        },
        y_max = 30000,
        y_min = 1,
        decoration = "beautiflowers:"..name,
        spawn_by = "default:dirt_with_grass"
    })

end

local function register_bonsai(name)

    minetest.register_decoration ({
        name = "beautiflowers:"..name,
        deco_type = "simple",
        place_on = {"default:stone","default:cobble","default:mossycobble"},
        sidelen = 16,
        noise_params = {
            offset = -0.006,
            scale = 0.07,
            spread = {x = 250, y = 250, z = 250},
            seed = 2,
            octaves = 3,
            persist = 0.66,
        },
        y_max = 30000,
        y_min = 30,
        decoration = "beautiflowers:"..name,
    })

end

local function register_flower(name)
    local fill = (FLOWERS_AMOUNT/16000)
    minetest.register_decoration ({
        name = "beautiflowers:"..name,
        deco_type = "simple",
        place_on = {"default:dirt_with_grass"},
        sidelen = 16,
        fill_ratio = fill,
        y_max = MAX_HEIGHT,
        y_min = 1,
        decoration = "beautiflowers:"..name,
    })

end

function beautiflowers.bonsai_spread(pos, node)
    if minetest.get_node_light(pos, 0.5) > 3 then
        if minetest.get_node_light(pos, nil) == 15 then
            minetest.remove_node(pos)
        end
        return
    end
    local positions = minetest.find_nodes_in_area_under_air(
        {x = pos.x - 1, y = pos.y - 2, z = pos.z - 1},
        {x = pos.x + 1, y = pos.y + 1, z = pos.z + 1},
        {"group:stone"})
    if #positions == 0 then
        return
    end
    local pos2 = positions[math.random(#positions)]
    pos2.y = pos2.y + 1
    if minetest.get_node_light(pos2, 0.5) <= 3 then
        minetest.set_node(pos2, {name = node.name})
    end
end

minetest.register_abm({
    label = "Bonsai spread",
    nodenames = {"beautiflowers:bonsai_1","beautiflowers:bonsai_2","beautiflowers:bonsai_3","beautiflowers:bonsai_4","beautiflowers:bonsai_5"},
    interval = 11,
    chance = 150,
    action = function (...)
        beautiflowers.bonsai_spread (...)
    end,
})

for i = 1, #flowers do
    local name = unpack(flowers[i])
    local aux = unpack(name:split("_"))
    if aux == "pasto" then
        register_pasto(name)
    else
        if aux == "bonsai" then
            register_bonsai(name)
        else
            register_flower(name)
        end

    end


end