PyuTest.make_item("pyutest_magic:magic_shards", "Magic Shards", {}, "pyutest-magic-shards.png")

PyuTest.registered_spellbooks = {}
PyuTest.make_spellbook = function(nsname, desc, color, craftitem, action)
  if action == nil then
    action = function(_, _, _) end
  end

  PyuTest.make_item(nsname, desc, {}, "pyutest-spellbook.png", {
    stack_max = 1,
    color = color,
    on_use = function(itemstack, user, pointed_thing)
      local pos = user:get_pos()
      core.sound_play({ name = "spellbook_action", gain = 0.75 }, { pos = pos })
      action(itemstack, user, pointed_thing)
    end
  })

  core.register_craft({
    output = nsname,
    recipe = {
      { "",                           "pyutest_magic:magic_shards", "" },
      { "pyutest_magic:magic_shards", craftitem,                    "pyutest_magic:magic_shards" },
      { "",                           "pyutest_magic:magic_shards", "" }
    }
  })

  PyuTest.registered_spellbooks[nsname] = {
    color = color,
    craftitem = craftitem,
    action = action
  }
end

PyuTest.make_spellbook("pyutest_magic:explosions_spellbook", "Spellbook of Explosions", "gray", "pyutest_tools:bomb",
  function(itemstack, user)
    PyuTest.create_explosion(user:get_pos(), 2, false, 7, { user })
  end)

PyuTest.make_spellbook("pyutest_magic:fire_spellbook", "Spellbook of Fire", "crimson", "pyutest_blocks:magma",
  function(itemstack, user)
    local range = 2

    local function replace(pos)
      local node = core.get_node_or_nil(pos)
      if node == nil then return end
      if node.name ~= "air" then return end
      local pos2 = vector.new(pos.x, pos.y - 1, pos.z)
      node = core.get_node_or_nil(pos)
      if node == nil then return end
      if node.name ~= "air" then return end

      core.set_node(pos, { name = "pyutest_blocks:fire" })
    end

    for dx = -range, range do
      for dz = -range, range do
        local pos = user:get_pos()
        replace({ x = pos.x + dx, y = pos.y, z = pos.z + dz })
      end
    end
  end)


PyuTest.make_item("pyutest_magic:enchanted_shard", "Enchanted Shard", {}, "pyutest-shard.png", {
  color = "indigo",
})

core.register_craft({
  output = "pyutest_magic:enchanted_shard 2",
  recipe = {
    { "pyutest_magic:magic_shards", "pyutest_ores:diamond_shard", "pyutest_magic:magic_shards" },
    { "pyutest_ores:diamond_shard", "pyutest_magic:magic_shards", "pyutest_ores:diamond_shard" },
    { "pyutest_magic:magic_shards", "pyutest_ores:diamond_shard", "pyutest_magic:magic_shards" }
  }
})

PyuTest.make_tool("pyutest_magic:enchanted_pickaxe", "Enchanted Pickaxe", {}, "pyutest-enchanted-pickaxe.png", {
  stack_max = 1,
  tool_capabilities = PyuTest.tool_caps({
    uses = 2768,
    attack_uses = 2768 / 2,
    groupcaps = {
      cracky = {
        times = {
          [PyuTest.BLOCK_FAST] = 0.1,
          [PyuTest.BLOCK_NORMAL] = 0.2,
          [PyuTest.BLOCK_SLOW] = 6
        }
      }
    }
  }),
})

core.register_craft({
  output = "pyutest_magic:enchanted_pickaxe",
  recipe = {
    { "pyutest_magic:enchanted_shard", "pyutest_magic:enchanted_shard", "pyutest_magic:enchanted_shard" },
    { "",                              "pyutest_tools:stick",           "" },
    { "",                              "pyutest_tools:stick",           "" }
  }
})

PyuTest.make_tool("pyutest_magic:enchanted_axe", "Enchanted Axe", {}, "pyutest-enchanted-axe.png", {
  stack_max = 1,
  tool_capabilities = PyuTest.tool_caps({
    uses = 2768,
    attack_uses = 2768,
    damage_groups = { fleshy = 10 },
    groupcaps = {
      choppy = {
        times = {
          [PyuTest.BLOCK_FAST] = 0.1,
          [PyuTest.BLOCK_NORMAL] = 0.2,
          [PyuTest.BLOCK_SLOW] = 0.4
        }
      }
    }
  })
})

core.register_craft({
  output = "pyutest_magic:enchanted_axe",
  recipe = {
    { "pyutest_magic:enchanted_shard", "pyutest_magic:enchanted_shard", "" },
    { "pyutest_magic:enchanted_shard", "pyutest_tools:stick",           "" },
    { "",                              "pyutest_tools:stick",           "" }
  }
})

PyuTest.make_sword("pyutest_magic:enchanted_sword", "Enchanted Sword", "pyutest-enchanted-sword.png", 9, 3600, 0.7)


core.register_craft({
  output = "pyutest_magic:enchanted_sword",
  recipe = {
    { "pyutest_magic:enchanted_shard" },
    { "pyutest_magic:enchanted_shard" },
    { "pyutest_tools:stick" }
  }
})


PyuTest.make_item("pyutest_magic:windball", "Windball", {}, "pyutest-windball.png", {
  stack_max = 16,
  on_use = function(_, user)
    if user == nil then
      return
    end

    local pos = user:get_pos()
    core.sound_play({ name = "spellbook_action", gain = 0.75 }, { pos = pos })

    local vel = user:get_velocity()

    user:add_velocity({
      x = vel.x * 2.5,
      z = vel.z * 2.5,
      y = math.random(11, 14)
    })

    local stack = user:get_wielded_item()
    stack:set_count(stack:get_count() - 1)

    user:set_wielded_item(stack)
  end
})