--[[
  Shared utility functions for mpv scripts.
]]

local M = {}

-- String utilities
function M.trim(str)
  return str and str:match("^%s*(.-)%s*$") or ""
end

-- Math utilities
function M.clamp(value, min_v, max_v)
  if value < min_v then
    return min_v
  end
  if value > max_v then
    return max_v
  end
  return value
end

-- ASS color utilities
function M.rgb_to_bgr(rgb)
  return rgb:sub(5, 6) .. rgb:sub(3, 4) .. rgb:sub(1, 2)
end

function M.colorize(text, color_rgb, use_colors)
  if use_colors == false then
    return text
  end
  return "{\\1c&H" .. M.rgb_to_bgr(color_rgb) .. "&}" .. text .. "{\\1c&HFFFFFF&}"
end

-- Debug logging factory
function M.make_dbg(prefix, log_fn)
  return function(text, config_enabled)
    if config_enabled ~= false then
      log_fn(prefix .. ": " .. text)
    end
  end
end

return M