--Nodes #################

local leaves_table = {
   'pale_green', 'orange', 'red', 'blooms', 'acacia_blooms',
   'orange_aspen', 'red_aspen', 'aspen_blooms', 'yellow_aspen'}

local sticks_table = {'default', 'aspen'}

for i, name in pairs(leaves_table) do
   minetest.register_node('mymonths:leaves_' .. name, {
      description = name .. ' leaves',
      drawtype = 'allfaces_optional',
      waving = 1,
      visual_scale = 1.3,
      tiles = {'mymonths_leaves_' .. name .. '.png'},
      paramtype = 'light',
      is_ground_content = false,
      groups = {snappy = 3, leafdecay = 3, flammable = 2, leaves = 1},
      sounds = default.node_sound_leaves_defaults(),
      after_place_node = default.after_place_leaves,
   })
end

for i, name in pairs(sticks_table) do
   minetest.register_node('mymonths:sticks_' .. name, {
      description = 'Sticks',
      drawtype = 'allfaces_optional',
      waving = 1,
      visual_scale = 1.3,
      tiles = {'mymonths_sticks.png'},
      paramtype = 'light',
      is_ground_content = false,
      drop = 'default:stick 2',
      groups = {snappy = 3, leafdecay = 3, flammable = 2, leaves = 1},
   })
end

for i = 1, 4 do
   minetest.register_node('mymonths:fall_leaves_'..i, {
      description = 'Fall Leaves',
      drawtype = 'mesh',
      mesh = 'mymonths_fall_leaves.obj',
      tiles = {'mymonths_fall_leaves_'..i..'.png'},
      inventory_image = 'mymonths_fall_leaves_'..i..'.png',
      groups = {oddly_breakable_by_hand = 1, flammable = 2, attached_node = 1, fallen_leaves = 1},
      paramtype = 'light',
      walkable = false,
      buildable_to = true,
	   drop = 'mymonths:fall_leaves_2',
      selection_box = {
         type = "fixed",
			fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
      }
   })
end

minetest.register_node('mymonths:leaf_pile', {
   description = 'Pile of leaves',
   drawtype = 'mesh',
   mesh = 'mymonths_leaf_pile.obj',
   tiles = {'mymonths_leaf_pile_uv.png'},
   inventory_image = 'mymonths_leaf_pile.png',
   groups = {oddly_breakable_by_hand = 1, flammable = 2, attached_node = 1},
   paramtype = 'light',
   walkable = false,
   buildable_to = true,
   selection_box = {
      type = 'fixed',
      fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
   }
})

minetest.register_craft({
	type = 'fuel',
	recipe = 'mymonths:leaf_pile',
	burntime = 4,
})

minetest.register_craft({
      output = 'mymonths:leaf_pile',
      recipe = {
         {'group:fallen_leaves', 'group:fallen_leaves', 'group:fallen_leaves'},
         {'group:fallen_leaves', 'group:fallen_leaves', 'group:fallen_leaves'},
         {'group:fallen_leaves', 'group:fallen_leaves', 'group:fallen_leaves'},
         }
})

-- Functions
function leaves_fall(pos)
   local i = 1
   local finished = false
   repeat
      local n = minetest.get_node({x = pos.x, y = pos.y - i, z = pos.z})
      if n.name == 'air' then
         i = i + 1
      elseif n.name ~= 'air' then
         if n.name == 'mymonths:fall_leaves_1' then
            minetest.set_node({x = pos.x, y = pos.y - i, z = pos.z}, {name = 'mymonths:fall_leaves_2'})
            finished = true
         end
         if n.name == 'mymonths:fall_leaves_2' then
            minetest.set_node({x = pos.x, y = pos.y - i, z = pos.z}, {name = 'mymonths:fall_leaves_3'})
            finished = true
         end
         if n.name == 'mymonths:fall_leaves_3' then
            minetest.set_node({x = pos.x, y = pos.y - i, z = pos.z}, {name = 'mymonths:fall_leaves_4'})
            finished = true
         end
         if n.name == 'mymonths:fall_leaves_4' then
            finished = true
         end
         local leaf = minetest.get_node({x = pos.x, y = pos.y - (i - 1), z = pos.z}) -- This is the node above the node that isn't air.
         if leaf.name == 'air' and finished == false then
            local below = minetest.get_node({x = pos.x, y = pos.y - i, z = pos.z})
            local def = minetest.registered_items[below.name]
            if def.buildable_to then
               minetest.set_node({x = pos.x, y = pos.y - i, z = pos.z}, {name = 'mymonths:fall_leaves_1'})
               finished = true
            else
            minetest.set_node({x = pos.x, y = pos.y - (i - 1), z = pos.z}, {name = 'mymonths:fall_leaves_1'})
            finished = true
            end
         end
         i = i + 1
      end
   until finished == true or i == 10
end


-- ABMs and LBMs ##################

-- Leaves changing in September and October.
minetest.register_abm({
   label = 'leaf changing-1',
   nodenames = {'default:leaves', 'mymonths:leaves_pale_green', 'default:aspen_leaves', 'mymonths:leaves_yellow_aspen'},
   interval = 60,
   chance = 40,
   action = function (pos, node)

      if mymonths.month_counter == 9 then

         if node.name == 'default:leaves' then
            minetest.set_node(pos, {name = 'mymonths:leaves_pale_green'})
         elseif node.name == 'mymonths:leaves_pale_green' then
            minetest.set_node(pos, {name = 'mymonths:leaves_orange'})
         elseif node.name == 'default:aspen_leaves' then
            minetest.set_node(pos, {name = 'mymonths:leaves_yellow_aspen'})
         elseif node.name == 'mymonths:leaves_yellow_aspen' then
            minetest.set_node(pos, {name = 'mymonths:leaves_orange_aspen'})
         end
      end
   end
})

minetest.register_abm({
   label = 'leaf changing-2',
   nodenames = {'mymonths:leaves_orange', 'mymonths:leaves_orange_aspen', 'mymonths:leaves_red', 'mymonths:leaves_red_aspen'},
   interval = 60,
   chance = 40,
   action = function (pos, node)

      if mymonths.month_counter == 10 then

         if node.name == 'mymonths:leaves_orange' then
            minetest.set_node(pos, {name = 'mymonths:leaves_red'})
         elseif node.name == 'mymonths:leaves_orange_aspen' then
            minetest.set_node(pos, {name = 'mymonths:leaves_red_aspen'})
         elseif node.name == 'mymonths:leaves_red' then
            minetest.set_node(pos, {name = 'mymonths:sticks_default'})
            leaves_fall(pos)
         elseif node.name == 'mymonths:leaves_red_aspen' then
            minetest.set_node(pos, {name = 'mymonths:sticks_aspen'})
            leaves_fall(pos)
         end
      end
   end
})

-- Removal of dead leaves from the ground
minetest.register_abm({
   nodenames = {'group:fallen_leaves'},
   interval = 60,
   chance = 40,
   action = function (pos, node)
      local month = mymonths.month_counter
      if month ~= 10 or month ~= 11 then
         if node.name == 'mymonths:fall_leaves_4' then
            minetest.set_node(pos, {name = 'mymonths:fall_leaves_3'})
         elseif node.name == 'mymonths:fall_leaves_3' then
            minetest.set_node(pos, {name = 'mymonths:fall_leaves_2'})
         elseif node.name == 'mymonths:fall_leaves_2' then
            minetest.set_node(pos, {name = 'mymonths:fall_leaves_1'})
         elseif node.name == 'mymonths:fall_leaves_1' then
            minetest.set_node(pos, {name = 'air'})
         end
      end
   end
})

--New growth in spring
minetest.register_abm({
   nodenames = {'mymonths:sticks_default', 'mymonths:leaves_blooms', 'mymonths:sticks_aspen', 'mymonths:leaves_aspen_blooms'},
   interval = 60,
   chance = 40,

   action = function (pos, node)

      if mymonths.month_counter == 3
      or mymonths.month_counter == 4 then

         if node.name == 'mymonths:sticks_default' then
            minetest.set_node(pos, {name = 'mymonths:leaves_blooms'})
         elseif node.name == 'mymonths:leaves_blooms' then
            minetest.set_node(pos, {name = 'default:leaves'})
         elseif node.name == 'mymonths:sticks_aspen' then
            minetest.set_node(pos, {name = 'mymonths:leaves_aspen_blooms'})
         elseif node.name == 'mymonths:leaves_aspen_blooms' then
            minetest.set_node(pos, {name = 'default:aspen_leaves'})
         end
      end
   end
})

-- apples die in November
minetest.register_abm({
   nodenames = {'default:apple'},
   interval = 15,
   chance = 10,
   action = function (pos)

      if mymonths.month_counter == 11 then
         minetest.set_node(pos,{name = 'mymonths:sticks_default'})

         local i = 1
         repeat
            local n = minetest.get_node({x = pos.x, y = pos.y - i, z = pos.z})
            if n.name == "air" then
               minetest.spawn_item({
                  x = pos.x,
                  y = pos.y - i,
                  z = pos.z},
                  'default:apple')
            end
            i = i + 1
         until n.name == "air" or i == 4
      end
   end
})


minetest.register_abm({
   nodenames = {'default:leaves','default:acacia_leaves'},
   interval = 60,
   chance = 15,

   action = function (pos, node, active_object_count, active_object_count_wider)

   local n = node.name

      if n == 'default:leaves' then

         if mymonths.month_counter == 6
         or mymonths.month_counter == 7
         or mymonths.month_counter == 8
         or mymonths.month_counter == 9 then

            local a = minetest.find_node_near(pos, 3, 'default:apple')

            if a == nil then
               minetest.set_node(pos,{name = 'default:apple'})
            end
         end

      end

      if n == 'default:acacia_leaves' then

         if mymonths.month_counter == 1 then
            minetest.set_node(pos,{name = 'mymonths:leaves_acacia_blooms'})
         end

      end

   end
})

-- Fallen Leaves Cleanup LBM
minetest.register_lbm({
   name = 'mymonths:rake',
   nodenames = {'group:fallen_leaves'},
   run_at_every_load = true,
   action = function (pos)
      local month = tonumber(mymonths.month_counter)
      if month ~= 10 or month ~= 11 or month ~= 12 or month ~= 1 or month ~= 2 then
         minetest.set_node(pos, {name = 'air'})
      end
   end
})

--Leaf changing LBM
minetest.register_lbm({
   name = "mymonths:change_leaves",

   nodenames = {'default:leaves', 'mymonths:leaves_pale_green','mymonths:leaves_orange',
            'mymonths:leaves_red', 'mymonths:sticks_default', 'mymonths:leaves_blooms',
            'default:aspen_leaves', 'mymonths:leaves_aspen_blooms', 'mymonths:leaves_orange_aspen',
            'mymonths:leaves_red_aspen', 'mymonths:sticks_aspen',
            'default:acacia_leaves', 'mymonths:leaves_acacia_blooms'},

   run_at_every_load = true,

   action = function (pos, node)

      local n = node.name
      local month = tonumber(mymonths.month_counter)
      local day = tonumber(mymonths.day_counter)

-- January
      if month == 1 then

         -- Default Leaves
         if n == 'default:leaves'
         or n == 'mymonths:leaves_blooms'
         or n == 'mymonths:leaves_pale_green'
         or n == 'mymonths:leaves_orange'
         or n == 'mymonths:leaves_red' then

            minetest.set_node(pos, {name = 'mymonths:sticks_default'})

         end

         -- Aspen Leaves
         if n == 'default:aspen_leaves'
         or n == 'mymonths:leaves_aspen_blooms'
         or n == 'mymonths:leaves_yellow_aspen'
         or n == 'mymonths:leaves_orange_aspen'
         or n == 'mymonths:leaves_red_aspen' then

            minetest.set_node(pos, {name = 'mymonths:sticks_aspen'})

         end

         -- Acacia Leaves
         if n == 'default:acacia_leaves' then

            minetest.set_node(pos,{name = 'mymonths:leaves_acacia_blooms'})

         end

         -- Apples
         if n == 'default:apple' then

            minetest.set_node(pos,{name = 'mymonths:sticks_default'})

         end

      end

-- Feburary
      if month == 2 then

         -- Default Leaves
         if n == 'default:leaves'
         or n == 'mymonths:leaves_blooms'
         or n == 'mymonths:leaves_pale_green'
         or n == 'mymonths:leaves_orange'
         or n == 'mymonths:leaves_red' then

            minetest.set_node(pos, {name = 'mymonths:sticks_default'})

         end

         -- Aspen Leaves
         if n == 'default:aspen_leaves'
         or n == 'mymonths:leaves_aspen_blooms'
         or n == 'mymonths:leaves_yellow_aspen'
         or n == 'mymonths:leaves_orange_aspen'
         or n == 'mymonths:leaves_red_aspen' then

            minetest.set_node(pos, {name = 'mymonths:sticks_aspen'})

         end

         -- Acacia Leaves
         if n == 'default:acacia_leaves' then

            minetest.set_node(pos,{name = 'mymonths:leaves_acacia_blooms'})

         end

         -- Apples
         if n == 'default:apple' then

            minetest.set_node(pos,{name = 'mymonths:sticks_default'})

         end

      end

-- March
      if month == 3 then

         -- Default Leaves
         if n == 'default:leaves'
         or n == 'mymonths:leaves_pale_green'
         or n == 'mymonths:leaves_orange'
         or n == 'mymonths:leaves_red' then

            minetest.set_node(pos, {name = 'mymonths:sticks_default'})

         end

         -- Aspen Leaves
         if n == 'default:aspen_leaves'
         or n == 'mymonths:leaves_aspen_blooms'
         or n == 'mymonths:leaves_yellow_aspen'
         or n == 'mymonths:leaves_orange_aspen'
         or n == 'mymonths:leaves_red_aspen' then

            minetest.set_node(pos, {name = 'mymonths:sticks_aspen'})

         end

         -- Acacia Leaves
         if n == 'mymonths:leaves_acacia_blooms' then

            minetest.set_node(pos,{name = 'default:acacia_leaves'})

         end

         -- Apples
         if n == 'default:apple' then

            minetest.set_node(pos,{name = 'mymonths:leaves_blooms'})

         end

      end

-- April
      if month == 4 then

         -- Default Leaves
         if n == 'mymonths:sticks_default'
         or n == 'mymonths:leaves_pale_green'
         or n == 'mymonths:leaves_orange'
         or n == 'mymonths:leaves_red' then

            minetest.set_node(pos, {name = 'default:leaves'})

         end

         -- Aspen Leaves
         if n == 'default:aspen_leaves'
         or n == 'mymonths:sticks_aspen'
         or n == 'mymonths:leaves_yellow_aspen'
         or n == 'mymonths:leaves_orange_aspen'
         or n == 'mymonths:leaves_red_aspen' then

            minetest.set_node(pos, {name = 'mymonths:leaves_aspen_blooms'})

         end

         -- Acacia Leaves
         if n == 'mymonths:leaves_acacia_blooms' then

            minetest.set_node(pos,{name = 'default:acacia_leaves'})

         end

         -- Apples
         if n == 'default:apple' then

            minetest.set_node(pos,{name = 'mymonths:leaves_blooms'})

         end

      end

-- May
      if month == 5 then

         -- Default Leaves
         if n == 'mymonths:sticks_default'
         or n == 'mymonths:leaves_pale_green'
         or n == 'mymonths:leaves_orange'
         or n == 'mymonths:leaves_red' then

            minetest.set_node(pos, {name = 'default:leaves'})

         end

         -- Aspen Leaves
         if n == 'mymonths:leaves_aspen_blooms'
         or n == 'mymonths:sticks_aspen'
         or n == 'mymonths:leaves_yellow_aspen'
         or n == 'mymonths:leaves_orange_aspen'
         or n == 'mymonths:leaves_red_aspen' then

            minetest.set_node(pos, {name = 'default:aspen_leaves'})

         end

         -- Acacia Leaves
         if n == 'mymonths:leaves_acacia_blooms' then

            minetest.set_node(pos,{name = 'default:acacia_leaves'})

         end

         -- Apples
         if n == 'default:apple' then

            minetest.set_node(pos,{name = 'default:leaves'})

         end

      end

-- June
      if month == 6 then

         -- Default Leaves
         if n == 'mymonths:sticks_default'
         or n == 'mymonths:leaves_pale_green'
         or n == 'mymonths:leaves_orange'
         or n == 'mymonths:leaves_red' then

            minetest.set_node(pos, {name = 'default:leaves'})

         end

         -- Aspen Leaves
         if n == 'mymonths:leaves_aspen_blooms'
         or n == 'mymonths:sticks_aspen'
         or n == 'mymonths:leaves_yellow_aspen'
         or n == 'mymonths:leaves_orange_aspen'
         or n == 'mymonths:leaves_red_aspen' then

            minetest.set_node(pos, {name = 'default:aspen_leaves'})

         end

         -- Acacia Leaves
         if n == 'mymonths:leaves_acacia_blooms' then

            minetest.set_node(pos,{name = 'default:acacia_leaves'})

         end

         -- Apples
         -- Nothing Happens

      end

-- July
      if month == 7 then

         -- Default Leaves
         if n == 'mymonths:sticks_default'
         or n == 'mymonths:leaves_pale_green'
         or n == 'mymonths:leaves_orange'
         or n == 'mymonths:leaves_red' then

            minetest.set_node(pos, {name = 'default:leaves'})

         end

         -- Aspen Leaves
         if n == 'mymonths:leaves_aspen_blooms'
         or n == 'mymonths:sticks_aspen'
         or n == 'mymonths:leaves_yellow_aspen'
         or n == 'mymonths:leaves_orange_aspen'
         or n == 'mymonths:leaves_red_aspen' then

            minetest.set_node(pos, {name = 'default:aspen_leaves'})

         end

         -- Acacia Leaves
         if n == 'mymonths:leaves_acacia_blooms' then

            minetest.set_node(pos,{name = 'default:acacia_leaves'})

         end

         -- Apples
         -- Nothing Happens

      end

-- August
      if month == 8 then

         -- Default Leaves
         if n == 'mymonths:sticks_default'
         or n == 'mymonths:leaves_pale_green'
         or n == 'mymonths:leaves_orange'
         or n == 'mymonths:leaves_red' then

            minetest.set_node(pos, {name = 'default:leaves'})

         end

         -- Aspen Leaves
         if n == 'mymonths:leaves_aspen_blooms'
         or n == 'mymonths:sticks_aspen'
         or n == 'mymonths:leaves_yellow_aspen'
         or n == 'mymonths:leaves_orange_aspen'
         or n == 'mymonths:leaves_red_aspen' then

            minetest.set_node(pos, {name = 'default:aspen_leaves'})

         end

         -- Acacia Leaves
         if n == 'mymonths:leaves_acacia_blooms' then

            minetest.set_node(pos,{name = 'default:acacia_leaves'})

         end

         -- Apples
         -- Nothing Happens

      end

-- September
      if month == 9 then

         -- Default Leaves
         if day >= 1
         and day <= 7 then

            if n == 'mymonths:sticks_default' then

               minetest.set_node(pos, {name = 'default:leaves'})

            end

         end

         if day >=8
         and day <=14 then

            if n == 'mymonths:sticks_default'
            or n == 'default:leaves' then

               minetest.set_node(pos, {name = 'mymonths:leaves_pale_green'})

            end

         end

         -- Aspen Leaves
         if day >= 1
         and day <=7 then

            if n == 'mymonths:sticks_aspen'
            or n == 'mymonths:leaves_aspen_blooms' then

               minetest.set_node(pos, {name = 'default:aspen_leaves'})

            end

         end

         if day >=8
         and day <=14 then

            if n == 'mymonths:sticks_aspen'
            or n == 'mymonths:leaves_aspen_blooms'
            or n == 'default:aspen_leaves' then

               minetest.set_node(pos, {name = 'mymonths:leaves_yellow_aspen'})

            end

         end

         -- Acacia Leaves
         if n == 'mymonths:leaves_acacia_blooms' then

            minetest.set_node(pos,{name = 'default:acacia_leaves'})

         end

         -- Acacia Leaves
         if n == 'mymonths:leaves_acacia_blooms' then

            minetest.set_node(pos,{name = 'default:acacia_leaves'})

         end

         -- Apples
         -- Nothing Happens

      end

-- October
      if month == 10 then

         -- Default Leaves
         if day >= 1
         and day <=7 then

            if n == 'mymonths:sticks_default'
            or n == 'default:leaves'
            or n == 'mymonths:leaves_pale_green' then

               minetest.set_node(pos, {name = 'mymonths:leaves_orange'})

            end

         end

         if day >=8
         and day <=14 then

            if n == 'default:leaves'
            or n == 'mymonths:leaves_pale_green'
            or n == 'mymonths:leaves_orange' then

               minetest.set_node(pos, {name = 'mymonths:leaves_red'})

            end

         end

         -- Aspen Leaves
         if day >= 1
         and day <=7 then

            if n == 'mymonths:sticks_aspen'
            or n == 'mymonths:leaves_yellow_aspen'
            or n == 'mymonths:leaves_aspen_blooms'
            or n == 'default:aspen_leaves' then

               minetest.set_node(pos, {name = 'mymonths:leaves_orange_aspen'})

            end

         end

         if day >=8
         and day <=14 then

            if n == 'mymonths:sticks_aspen'
            or n == 'mymonths:leaves_yellow_aspen'
            or n == 'mymonths:leaves_orange_aspen'
            or n == 'mymonths:leaves_aspen_blooms'
            or n == 'default:aspen_leaves' then

               minetest.set_node(pos, {name = 'mymonths:leaves_red_aspen'})

            end

         end

         -- Acacia Leaves
         if n == 'mymonths:leaves_acacia_blooms' then

            minetest.set_node(pos,{name = 'default:acacia_leaves'})

         end

         -- Apples
         -- Nothing Happens

      end

-- November
      if month == 11 then

         -- Default Leaves
         if n == 'default:leaves'
         or n == 'mymonths:leaves_blooms'
         or n == 'mymonths:leaves_pale_green'
         or n == 'mymonths:leaves_orange'
         or n == 'mymonths:leaves_red' then

            minetest.set_node(pos, {name = 'mymonths:sticks_default'})

         end

         -- Aspen Leaves
         if n == 'default:aspen_leaves'
         or n == 'mymonths:leaves_aspen_blooms'
         or n == 'mymonths:leaves_yellow_aspen'
         or n == 'mymonths:leaves_orange_aspen'
         or n == 'mymonths:leaves_red_aspen' then

            minetest.set_node(pos, {name = 'mymonths:sticks_aspen'})

         end

         -- Acacia Leaves
         if n == 'mymonths:leaves_acacia_blooms' then

            minetest.set_node(pos,{name = 'default:acacia_leaves'})

         end

         -- Apples
         -- Nothing Happens

      end

-- December
      if month == 12 then

         -- Default Leaves
         if n == 'default:leaves'
         or n == 'mymonths:leaves_blooms'
         or n == 'mymonths:leaves_pale_green'
         or n == 'mymonths:leaves_orange'
         or n == 'mymonths:leaves_red' then

            minetest.set_node(pos, {name = 'mymonths:sticks_default'})

         end

         -- Aspen Leaves
         if n == 'default:aspen_leaves'
         or n == 'mymonths:leaves_aspen_blooms'
         or n == 'mymonths:leaves_yellow_aspen'
         or n == 'mymonths:leaves_orange_aspen'
         or n == 'mymonths:leaves_red_aspen' then

            minetest.set_node(pos, {name = 'mymonths:sticks_aspen'})

         end

         -- Acacia Leaves
         if n == 'mymonths:leaves_acacia_blooms' then

            minetest.set_node(pos,{name = 'default:acacia_leaves'})

         end

         -- Apples
         if n == 'default:apple' then

            minetest.set_node(pos,{name = 'mymonths:sticks_default'})

         end

      end

   end -- ends function
})