local storage = core.get_mod_storage()
local homes = core.deserialize(storage:get("player_homes")) or {}

core.register_on_joinplayer(function(player)
  local name = player:get_player_name()
  if homes[name] == nil then
    homes[name] = {}
  end
end)

core.register_chatcommand("sethome", {
  params = "<name>",
  description = "Sets the position of home <NAME>",
  func = function(name, param)
    local player = core.get_player_by_name(name)
    local pos = player:get_pos()
    homes[name][param] = pos
    return true, string.format("Set home `%s` position to (%d, %d, %d)", param, pos.x, pos.y, pos.z)
  end
})

core.register_chatcommand("tphome", {
  params = "<name>",
  description = "Teleports to home <NAME>",
  func = function(name, param)
    local player = core.get_player_by_name(name)
    local home = homes[name][param]

    if home ~= nil then
      player:set_pos(home)
      return true, "Teleported to home: " .. param
    else
      return false, "No such home exists!"
    end
  end
})

core.register_chatcommand("listhomes", {
  description = "Lists all your homes",
  func = function(name)
    for k, v in pairs(homes[name]) do
      core.chat_send_player(name, string.format("%s - (%d, %d, %d)", k, v.x, v.y, v.z))
    end
    return true, "Listed all homes"
  end
})

core.register_chatcommand("deletehome", {
  description = "Delete a home",
  func = function(name, param)
    homes[name][param] = nil
    return true, string.format("Home `%s` has been deleted", param)
  end
})

local function save_data()
  storage:set_string("player_homes", core.serialize(homes))
end

core.register_on_shutdown(save_data)

local first_run = true
local function interval()
  if first_run then
    first_run = false
  else
    save_data()
  end

  core.after(10, interval)
end

interval()