local M = {}

M.config = function()
  local filetypes = vim.api.nvim_create_augroup("filetypes", { clear = true })
  local autocmd = vim.api.nvim_create_autocmd
  -- Function below makes direnv impure by design. We need to keep the LSP servers and other nvim dependencies
  -- in our path even after direnv overwrites the path. Whatever direnv puts in place will take precedence, but
  -- we fall back to the various language tools installed with pwnvim using this hack
  local initial_path = vim.env.PATH
  autocmd("User DirenvLoaded",
    { callback = function()
      if not string.find(vim.env.PATH, initial_path, 0, true) then
        vim.env.PATH = vim.env.PATH .. ":" .. initial_path
      end
    end, group = filetypes })

  autocmd("BufRead", { pattern = { "*.markdown", "*.md" }, command = "setlocal filetype=markdown", group = filetypes })
  autocmd("BufRead", { pattern = { "*.sbt" }, command = "setlocal filetype=scala", group = filetypes })
  autocmd("BufRead",
    { pattern = { "~/mail/*", "/tmp/mutt*", "~/.signature*" }, command = "setlocal filetype=mail", group = filetypes })
  autocmd("BufRead", { pattern = { "~/.mutt/*" }, command = "setlocal filetype=muttrc", group = filetypes })
  autocmd("BufRead", { pattern = { "*.*html*" }, command = "setlocal filetype=html", group = filetypes })
  autocmd("BufRead", { pattern = { "*.css*" }, command = "setlocal filetype=css", group = filetypes })
  autocmd("BufRead", { pattern = { "*.rss" }, command = "setlocal filetype=xml", group = filetypes })
  autocmd("BufRead", { pattern = { "flake.lock" }, command = "setlocal filetype=json", group = filetypes })

  autocmd("FileType",
    { pattern = { "sql", "mysql", "plsql" },
      callback = function() require('cmp').setup.buffer({ sources = { { name = 'vim-dadbod-completion' } } }) end,
      group = filetypes })
  autocmd("FileType",
    { pattern = { "c", "ruby", "php", "php3", "perl", "python", "mason", "vim", "sh", "zsh", "scala", "javascript",
      "javascriptreact", "typescript", "typescriptreact", "html", "svelte", "css", "nix", "terraform" },
      callback = function() require('pwnvim.options').programming() end, group = filetypes })
  autocmd("FileType",
    { pattern = { "lua", "xml" }, callback = function() require('pwnvim.filetypes').lua() end, group = filetypes })
  autocmd("FileType",
    { pattern = { "md", "markdown", "vimwiki" }, callback = function() require('pwnvim.markdown').setup() end,
      group = filetypes })
--  autocmd("FileType",
--    { pattern = { "rust" }, callback = function() require('pwnvim.filetypes').rust() end, group = filetypes })
  autocmd("FileType",
    { pattern = { "Outline" }, command = "setlocal nospell", group = filetypes })

  autocmd("TermOpen", { pattern = { "*" }, command = "setlocal nospell", group = filetypes })
  -- Run when page pager is invoked
  autocmd('User',
    { pattern = { 'PageOpen', 'PageOpenFile' }, group = filetypes,
      callback = function() require('pwnvim.filetypes').page() end })
end

-- M.rust = function()
--   require('pwnvim.options').programming()
--   require('pwnvim.options').fourspaceindent()
--   vim.bo.makeprg = "cargo"
--   vim.cmd("compiler cargo")
--   vim.g.rustfmt_autosave = 1
--   vim.g.rust_fold = 1
--   vim.api.nvim_exec([[
--     augroup rustquickfix
--       autocmd!
--       autocmd BufReadPost quickfix setlocal foldmethod=expr
--       autocmd BufReadPost quickfix setlocal foldexpr=getline(v:lnum)[0:1]=='\|\|'
--       autocmd BufEnter quickfix setlocal foldexpr=getline(v:lnum)[0:1]=='\|\|'
--       autocmd BufReadPost quickfix setlocal foldlevel=0
--     augroup END
--   ]], false)
-- end

-- M.c = function()
--   require('pwnvim.options').programming()
--   require('pwnvim.options').fourspaceindent()
--   vim.bo.makeprg = "make"
-- end

M.lua = function()
  require('pwnvim.options').programming()
  require('pwnvim.options').twospaceindent()
end

M.page = function()
  -- disable status bar -- handled in config
  -- map space to ctrl-f
  vim.api.nvim_buf_set_keymap(0, 'n', '<space>',
    '<PageDown>', {})
end

M.reloadFile = function()
  require("plenary.reload").reload_module '%'
  vim.cmd("luafile %")
end

return M