local generated = require("github_theme.generated.themes")

local M = {}

local function normalize_none(value)
  if value == false then
    return "NONE"
  end

  return value
end

function M.get(variant, opts)
  local entry = assert(generated.variants[variant], ("github_theme: unknown variant '%s'"):format(variant))
  local palette = vim.deepcopy(entry.palette)

  if opts.transparent then
    for _, key in ipairs({ "bg", "bg_float", "bg_popup", "bg_sidebar", "bg_statusline" }) do
      palette[key] = "NONE"
    end
  end

  for key, value in pairs(opts.colors or {}) do
    palette[key] = normalize_none(value)
  end

  return {
    name = entry.name,
    is_dark = entry.is_dark,
    palette = palette,
    meta = generated.meta,
  }
end

return M