-- donation_interactive.lua
-- Простой интерактив донатов для OGSR/X-Ray
-- Прописать в gamedata\scripts\donation_interactive.lua

local io, os, math = io, os, math
local actor, level, alife = actor, level, alife
local vector = vector
local timer, interval = 0, 5
local last_line = ""

-- Путь к файлам (в корне папки bin_x64)
local DONATE_PATH = "donations.txt"
local LOG_PATH    = "donations_effects.log"

-- Список действий: при сумме ≥ sum вызываем fn
local actions = {
  { sum=20,  fn="spawn_dogs"            },
  { sum=45,  fn="heal_full"             },
  { sum=80,  fn="give_money"            },
  { sum=124, fn="moon_gravity"          },
  { sum=150, fn="spawn_burers"          },
  { sum=230, fn="uranium_pants"         },
  { sum=300, fn="spawn_controllers"     },
  { sum=420, fn="steal_all_money"       },
  { sum=570, fn="steal_all_weapons"     },
  { sum=750, fn="spawn_fear_hour"       },
  { sum=1500,fn="steal_everything"      },
}

-- Запись в лог
local function write_log(msg)
  local f = io.open(LOG_PATH, "a+")
  if f then
    f:write(os.date("%H:%M:%S ") .. msg .. "\n")
    f:close()
  end
end

-- Чтение последней строки из donations.txt
local function read_last_line()
  local f = io.open(DONATE_PATH, "r")
  if not f then
    write_log("ERROR: donations.txt not found")
    return nil
  end
  local last
  for line in f:lines() do last = line end
  f:close()
  return last
end

-- Позиция в радиусе 10 м от игрока
local function get_spawn_pos()
  local p = actor:position()
  local a = math.random() * 2 * math.pi
  return {
    x = p.x + math.cos(a)*10,
    y = p.y,
    z = p.z + math.sin(a)*10
  }
end

-- Удобный spawn
local function spawn(section, count)
  local pos = get_spawn_pos()
  local lv, gv = actor:level_vertex_id(), actor:game_vertex_id()
  for i=1,(count or 1) do
    alife():create(section, pos, lv, gv)
  end
end

-- === эффекты ===
function spawn_dogs()      spawn("monster_dog",2);      write_log("spawn_dogs") end
function spawn_burers()    spawn("monster_burer",2);    write_log("spawn_burers") end
function spawn_controllers() spawn("monster_controller",1); write_log("spawn_controllers") end
function spawn_fear_hour()
  local types = {"monster_snork","monster_bloodsucker","monster_controller","monster_burer"}
  for i=1,10 do
    spawn(types[math.random(#types)],1)
  end
  write_log("spawn_fear_hour")
end

function heal_full()        actor:object():set_health(1.0); write_log("heal_full") end
function give_money()       actor:object():set_money(math.random(100,5000)); write_log("give_money") end
function steal_all_money()  actor:object():set_money(1); write_log("steal_all_money") end
function steal_all_weapons() actor:drop_all_weapons();      write_log("steal_all_weapons") end
function steal_everything() actor:inventory():clear_except_story(); write_log("steal_everything") end

function moon_gravity()
  level:set_gravity(0.15)
  _G._moon_timer = 60
  write_log("moon_gravity")
end

function uranium_pants()
  _G._uranium_time = 120
  write_log("uranium_pants")
end

-- === основной Update ===
donation_interactive = {}

function donation_interactive.Update(dt)
  -- пишем тик
  write_log("[DONATION] tick")

  -- таймеры возврата эффектов
  if _G._moon_timer then
    _G._moon_timer = _G._moon_timer - dt
    if _G._moon_timer <= 0 then
      level:set_gravity(1.0)
      _G._moon_timer = nil
    end
  end
  if _G._uranium_time then
    _G._uranium_time = _G._uranium_time - dt
    if _G._uranium_time <= 0 then _G._uranium_time = nil end
  end

  -- проверяем файл раз в interval секунд
  timer = timer + dt
  if timer < interval then return end
  timer = 0

  local line = read_last_line()
  if not line or line == last_line then return end
  last_line = line

  local amt = tonumber(line:match("(%d+%.?%d*)"))
  if not amt then
    write_log("Invalid line: " .. line)
    return
  end

  for _,act in ipairs(actions) do
    if amt >= act.sum then
      local fn = _G[act.fn]
      if fn then
        local ok, err = pcall(fn)
        if not ok then write_log("Error " .. act.fn .. ": " .. err) end
      else
        write_log("Missing func: " .. act.fn)
      end
      break
    end
  end
end

-- === подписка на кадры ===
if core and core.register_callback then
  core.register_callback("pureFrame", donation_interactive.Update)
else
  write_log("WARN: core.register_callback not found, интерактив не запустится")
end

return donation_interactive