-- The keyboard layout picked at install time. The installer and first-boot
-- setup persist it to /etc/vconsole.conf, so Hyprland reads it from there
-- instead of rewriting every user's config.

local keyboard = {}

local function read_values(path)
  local values = {}
  local file = io.open(path, "r")
  if not file then
    return values
  end

  for line in file:lines() do
    local key, value = line:match("^%s*([%w_]+)%s*=%s*(.-)%s*$")
    if key and value then
      value = value:gsub("%s+#.*$", "")
      value = value:gsub('^"(.*)"$', "%1")
      value = value:gsub("^'(.*)'$", "%1")
      values[key] = value
    end
  end

  file:close()
  return values
end

function keyboard.selected()
  local paths = require("default.hypr.paths")
  local values = read_values(paths.config_home .. "/omarchy/keyboard-layouts")
  if values.XKBLAYOUT then return values end
  return keyboard.installed()
end

function keyboard.vconsole()
  return read_values("/etc/vconsole.conf")
end

-- Choices whose console keymap is plain US but whose desktop layout is not:
-- Korean keeps US letters, and Lao is non-Latin, so US still leads.
local desktop_overrides = { kr = true, la = true }

function keyboard.installed()
  local values = keyboard.vconsole()
  local override = read_values("/etc/omarchy/input-method").XKB_LAYOUT
  if desktop_overrides[override]
    and (values.XKBLAYOUT or "us") == "us"
    and (values.XKBVARIANT or "") == "" then
    values.XKBLAYOUT, values.XKBVARIANT = override, ""
  end
  return values
end

-- Japanese (JIS) keyboards put +, ^, and the Henkan/Muhenkan keys where US
-- keyboards don't, so a few defaults only apply when that layout leads.
function keyboard.jis()
  local layout = keyboard.selected().XKBLAYOUT or "us"
  return layout:match("^[^,]*") == "jp"
end

return keyboard