---@enum Modifiers
local modifiers = {
  super = "Super ",
  ctrl = "Control ",
  shift = "Shift ",
  alt = "Alt ",

  super_shift = "Super+Shift ",
  super_ctrl = "Super+Control ",
  super_ctrl_shift = "Super+Control+Shift ",

  ctrl_shift = "Control+Shift ",

  none = "None ",
}


--- Wrapper around the riverctl cmd
---@class River
local River = {
  cmds = {
    background = "swaybg -i %s"
  },
  keys = {
    modifiers = modifiers
  }
}

River.__index = River

--- River class constructor
---@param new? River to override properties
---@return River
function River:new(new)
  local obj = new or {}

  setmetatable(obj, self)
  self.__index = self

  return obj
end

--- Exec an arbitrary system command
---@param cmd string the command to execute
---@private
---@return string?
function River:exec(cmd)
  os.execute(cmd)
end

--- Execute the given command with riverctl spawn
---@param cmd string the command to execute
function River:spawn(cmd)
  self:exec(string.format([[riverctl spawn "%s"]], cmd))
end

--- Set a new wallpaper with the default cmds.background
---@param path string The path to the image
function River:set_bg(path)
  self:spawn(string.format(self.cmds.background, path))
end

---@class MapArgs
---@field [1] Modifiers The modifier to use
---@field [2] string
---@field [3] string
---@field mode? ("normal"|"locked")[], }

--- Create a new mapping
--- @param args MapArgs
function River:map(args)
  local modes = args.mode or { "normal" }

  for _, mode in ipairs(modes) do
    local map = string.format([[riverctl map %s %s %s %s]], mode, args[1], args[2], args[3])
    self:exec(map)
  end
end

return River