local a = vim.api
local g = vim.g

-- setup a new global context manager for windows/buffers
g.presser_buf_ctx = g.presser_buf_ctx or {} 


local M = {}

local get_ctx_head = function ( ctx )
  return g.presser_buf_ctx[ctx][1]
end

M.create = function ( ctx )
  local c = g.presser_buf_ctx
  -- create specific context manager if it doesn't exist
  if not c[ctx] then
    c[ctx] = {}
    g.presser_buf_ctx = c
  end
end

-- :TODO: restructure function to allow for new data structure (see todo file)
M.update = function ( ctx, data )
  local c = g.presser_buf_ctx
  -- ensure that the context exists
  if not c[ctx] then
    M.create( ctx )
  end

  table.insert(c[ctx], data)
  g.presser_buf_ctx = c
end

M.flush = function ()
  for ctx, ctx_tbl in pairs( g.presser_buf_ctx ) do
    for _, win_id in pairs( ctx_tbl ) do
      a.nvim_win_close( win_id, true ) -- buffer contents are irrelevant in this context to save
    end
  end

  g.presser_buf_ctx = {} -- clear the global context manager
end

return M