pie = {}

local sra = ocutil.safe_register_alias

-- check for available hunger mods
local hmod = minetest.global_exists("hunger")
local hbmod = minetest.global_exists("hbhunger")
local stmod = minetest.global_exists("stamina")

-- eat pie slice function
local replace_pie = function(node, puncher, pos)

    -- is this my pie?
    if minetest.is_protected(pos, puncher:get_player_name()) then
        return
    end

    -- which size of pie did we hit?
    local pie = node.name:split("_")[1]
    local num = tonumber(node.name:split("_")[2])

    -- are we using crystal shovel to pick up full pie using soft touch?
    local tool = puncher:get_wielded_item():get_name()
    if num == 0 and tool == "ethereal:shovel_crystal" then

        local inv = puncher:get_inventory()

        minetest.remove_node(pos)

        if inv:room_for_item("main", {name = pie .. "_0"}) then
            inv:add_item("main", pie .. "_0")
        else
            pos.y = pos.y + 0.5
            minetest.add_item(pos, {name = pie .. "_0"})
        end

        return
    end

    -- eat slice or remove whole pie
    if num == 3 then
        node.name = "air"
    elseif num < 3 then
        node.name = pie .. "_" .. (num + 1)
    end

    minetest.swap_node(pos, {name = node.name})

    -- Blockmen's hud_hunger mod
    if hmod then

        local h = hunger.read(puncher)
--      print ("hunger is "..h)

        h = math.min(h + 4, 30)

        local ok = hunger.update_hunger(puncher, h)

        minetest.sound_play("hunger_eat", {
            pos = pos, gain = 0.7, max_hear_distance = 5})

    -- Wuzzy's hbhunger mod
    elseif hbmod then

        local h = tonumber(hbhunger.hunger[puncher:get_player_name()])
--      print ("hbhunger is "..h)

        h = math.min(h + 4, 30)

        hbhunger.hunger[puncher:get_player_name()] = h

        minetest.sound_play("hbhunger_eat_generic", {
            pos = pos, gain = 0.7, max_hear_distance = 5})

    -- Sofar's stamina mod
    elseif stmod then

        stamina.change(puncher, 4)

        minetest.sound_play("stamina_eat", {
            pos = pos, gain = 0.7, max_hear_distance = 5})

    -- none of the above found? add to health instead
    else
        local h = puncher:get_hp()
        h = math.min (h + 4, 20)
        puncher:set_hp (h)
    end
end

-- register pie bits
pie.register_pie = function (pie, desc, modname)
    if modname == nil or modname == "" then modname = "pie" end
    local modprefix = ":" .. modname .. ":"

    -- full pie
    minetest.register_node (modprefix .. pie .. "_0", {
        description = desc,
        paramtype = "light",
        sunlight_propagates = false,
        tiles = {
            pie .. "_top.png", pie .. "_bottom.png", pie .. "_side.png",
            pie .. "_side.png", pie .. "_side.png", pie .. "_side.png"
        },
        inventory_image = pie .. "_inv.png",
        wield_image = pie .. "_inv.png",
        drawtype = "nodebox",
        node_box = {
            type = "fixed",
            fixed = {{-0.45, -0.5, -0.45, 0.45, 0, 0.45}},
        },

        on_punch = function(pos, node, puncher, pointed_thing)
            replace_pie (node, puncher, pos)
        end,
    })

    -- 3/4 pie
    minetest.register_node (modprefix .. pie .. "_1", {
        description = "3/4" .. desc,
        paramtype = "light",
        sunlight_propagates = true,
        tiles = {
            pie .. "_top.png", pie .. "_bottom.png", pie .. "_side.png",
            pie .. "_side.png", pie .. "_side.png", pie .. "_inside.png"
        },
        groups = {not_in_creative_inventory = 1},
        drop = {},
        drawtype = "nodebox",
        node_box = {
            type = "fixed",
            fixed = {{-0.45, -0.5, -0.25, 0.45, 0, 0.45}},
        },

        on_punch = function(pos, node, puncher, pointed_thing)
            replace_pie (node, puncher, pos)
        end,
    })

    -- 1/2 pie
    minetest.register_node (modprefix .. pie .. "_2", {
        description = "Half " .. desc,
        paramtype = "light",
        sunlight_propagates = true,
        tiles = {
            pie .. "_top.png", pie .. "_bottom.png", pie .. "_side.png",
            pie .. "_side.png", pie .. "_side.png", pie .. "_inside.png"
        },
        groups = {not_in_creative_inventory = 1},
        drop = {},
        drawtype = "nodebox",
        node_box = {
            type = "fixed",
            fixed = {{-0.45, -0.5, 0.0, 0.45, 0, 0.45}},
        },

        on_punch = function(pos, node, puncher, pointed_thing)
            replace_pie (node, puncher, pos)
        end,
    })

    -- 1/4 pie
    minetest.register_node (modprefix .. pie .. "_3", {
        description = "Piece of " .. desc,
        paramtype = "light",
        sunlight_propagates = true,
        tiles = {
            pie .. "_top.png", pie .. "_bottom.png", pie .. "_side.png",
            pie .. "_side.png", pie .. "_side.png", pie .. "_inside.png"
        },
        groups = {not_in_creative_inventory = 1},
        drop = {},
        drawtype = "nodebox",
        node_box = {
            type = "fixed",
            fixed = {{-0.45, -0.5, 0.25, 0.45, 0, 0.45}},
        },

        on_punch = function(pos, node, puncher, pointed_thing)
            replace_pie (node, puncher, pos)
        end,
    })

end

-- Basic cake
pie.register_pie ("pie", "Cake")
sra ("cake:cake", "pie:pie_0")

minetest.register_craft({
    output = "pie:pie_0",
    recipe = {
        {"group:food_sugar", "group:food_milk", "group:food_sugar"},
        {"group:food_sugar", "group:food_egg", "group:food_sugar"},
        {"group:food_wheat", "group:food_flour", "group:food_wheat"},
    },
    replacements = {{ "mobs:bucket_milk", "bucket:bucket_empty"}}
})

-- chocolate cake
pie.register_pie ("choc", "Chocolate Cake")
sra ("cake:chocolate", "pie:choc_0")

minetest.register_craft({
    output = "pie:choc_0",
    recipe = {
        {"group:food_cocoa", "group:food_milk", "group:food_cocoa"},
        {"group:food_sugar", "group:food_egg", "group:food_sugar"},
        {"group:food_wheat", "group:food_flour", "group:food_wheat"},
    },
    replacements = {{ "mobs:bucket_milk", "bucket:bucket_empty"}}
})

-- strawberry cheesecake
pie.register_pie ("scsk", "Strawberry Cheesecake")
sra ("cake:cheesecake"            , "pie:scsk_0")
sra ("cake:strawberry_cheesecake" , "pie:scsk_0")

minetest.register_craft({
    output = "pie:scsk_0",
    recipe = {
        {"group:food_strawberry", "group:food_milk", "group:food_strawberry"},
        {"group:food_sugar", "group:food_egg", "group:food_sugar"},
        {"group:food_wheat", "group:food_flour", "group:food_wheat"},
    },
    replacements = {{ "mobs:bucket_milk", "bucket:bucket_empty"}}
})

-- coffee cake
pie.register_pie ("rbcake", "Rainbow Cake")

-- coffee cake
pie.register_pie ("coff", "Coffee Cake")
sra ("cake:coffee", "pie:coff_0")

minetest.register_craft({
    output = "pie:coff_0",
    recipe = {
        {"group:food_coffee", "group:food_milk", "group:food_coffee"},
        {"group:food_sugar", "group:food_egg", "group:food_sugar"},
        {"group:food_wheat", "group:food_flour", "group:food_wheat"},
    },
    replacements = {{ "mobs:bucket_milk", "bucket:bucket_empty"}}
})

-- red velvet cake
pie.register_pie ("rvel", "Red Velvet Cake")
sra ("cake:redvelvet"  , "pie:rvel_0")
sra ("cake:red_velvet" , "pie:rvel_0")

minetest.register_craft({
    output = "pie:rvel_0",
    recipe = {
        {"group:food_cocoa", "group:food_milk", "dye:red"},
        {"group:food_sugar", "group:food_egg", "group:food_sugar"},
        {"group:food_flour", "group:food_cheese", "group:food_flour"},
    },
    replacements = {{ "mobs:bucket_milk", "bucket:bucket_empty"}}
})

-- meat cake
pie.register_pie ("meat", "Meat Cake")
sra ("cake:meat", "pie:meat_0")

minetest.register_craft({
    output = "pie:meat_0",
    recipe = {
        {"group:food_meat_raw", "group:food_egg", "group:food_meat_raw"},
        {"group:food_wheat", "group:food_wheat", "group:food_wheat"},
    },
})

-- banana cake
pie.register_pie ("bana", "Banana Cake")
sra ("cake:banana", "pie:bana_0")

minetest.register_craft({
    output = "pie:bana_0",
    recipe = {
        {"group:food_banana", "group:food_milk", "group:food_banana"},
        {"group:food_sugar", "group:food_egg", "group:food_sugar"},
        {"group:food_wheat", "group:food_flour", "group:food_wheat"},
    },
    replacements = {{ "mobs:bucket_milk", "bucket:bucket_empty"}}
})

-- bread pudding
pie.register_pie ("brpd","Bread Pudding")
sra ("cake:breadpudding"  , "pie:brpd_0")
sra ("cake:bread_pudding" , "pie:brpd_0")

minetest.register_craft({
    output = "pie:brpd_0",
    recipe = {
        {"group:food_bread", "group:food_milk", "group:food_bread"},
        {"group:food_sugar", "group:food_egg", "group:food_sugar"},
        {"group:food_wheat", "group:food_flour", "group:food_wheat"},
    },
    replacements = {{ "mobs:bucket_milk", "bucket:bucket_empty"}}
})

-- orange pie
pie.register_pie ("orange","Orange Pie")
sra ("pie:orange", "pie:orange_0")

minetest.register_craft({
    output = "pie:orange_0",
    recipe = {
        {"group:food_orange", "group:food_milk", "group:food_orange"},
        {"group:food_sugar", "group:food_egg", "group:food_sugar"},
        {"group:food_wheat", "group:food_flour", "group:food_wheat"},
    },
    replacements = {{ "mobs:bucket_milk", "bucket:bucket_empty"}}
})

-- add lucky blocks
if minetest.get_modpath("lucky_block") then
lucky_block:add_blocks({
    {"nod", "pie:pie_0", 0},
    {"nod", "pie:choc_0", 0},
    {"nod", "pie:coff_0", 0},
    {"tro", "pie:pie_0"},
    {"nod", "pie:rvel_0", 0},
    {"nod", "pie:scsk_0", 0},
    {"nod", "pie:bana_0", 0},
    {"nod", "pie:orange_0", 0},
    {"tro", "pie:orange_0", "default_place_node_hard", true},
    {"nod", "pie:brpd_0", 0},
    {"nod", "pie:meat_0", 0},
    {"lig"},
})
end

-- This code creates a 2nd type of Rhubarb pie that may appear in some
-- worlds.
--
pie.register_pie ("rhubarbpie", "Rhubarb Pie", "farming")
sra ("pie:rhubarb", "farming:rhubarbpie_0")

pie.register_pie ("applepie", "Apple Pie")
sra ("pie:apple", "pie:applepie_0")

-- some aliases for older pie mod by Mitroman
minetest.register_alias("pie:apie_0", "pie:applepie_0")
minetest.register_alias("pie:apie_1", "pie:applepie_1")
minetest.register_alias("pie:apie_2", "pie:applepie_2")
minetest.register_alias("pie:apie_3", "pie:applepie_3")

minetest.register_alias("pie:piebatter", "pie:pie_0")
minetest.register_alias("pie:apiebatter", "pie:pie_0")
minetest.register_alias("pie:amuffinbatter", "pie:pie_0")
minetest.register_alias("pie:applemuffin", "pie:pie_0")
minetest.register_alias("pie:sugar", "farming:sugar")
minetest.register_alias("pie:knife", "default:sword_steel")

print ("[MOD] Pie loaded")