-- "   npm install -g eslint_d
local eslint = {
  lintCommand = "eslint_d -f unix --stdin --stdin-filename ${INPUT}",
  lintStdin = true,
  lintFormats = {"%f:%l:%c: %m"},
  lintIgnoreExitCode = true,
  formatCommand = "eslint_d --fix-to-stdout --stdin --stdin-filename=${INPUT}",
  formatStdin = true
}
local shellcheck = {
	lintCommand = "shellcheck -f gcc -x",
	lintSource = "shellcheck",
	lintFormats = {
		"%f:%l:%c: %trror: %m",
		"%f:%l:%c: %tarning: %m",
		"%f:%l:%c: %tote: %m",
	}
}
local flake8 = {
	lintCommand = "flake8 --stdin-display-name ${INPUT} -",
    lintStdin = true,
	lintFormats = {"%f:%l:%c: %m"}
}
local black = {
	formatCommand = "black --quiet -",
    formatStdin = true
}
-- sudo pacman -Syu jq
local jq = {
	lintCommand = "jq ."
}
-- npm install -g fixjson
local fixjson = {
	formatCommand = "fixjson"
}
-- https://aur.archlinux.org/packages/lua-format/
local luaformat = {
	formatCommand = 'lua-formatt -i',
	formatStdin = true
}
local util = require "lspconfig".util
local on_attach_efm = function(client)
  if client.resolved_capabilities.document_formatting then
    vim.cmd [[augroup lsp_formatting]]
    vim.cmd [[autocmd!]]
		vim.cmd [[autocmd BufWritePre <buffer> :lua vim.lsp.buf.formatting_seq_sync({}, 1000)]]
    vim.cmd [[augroup END]]
  end
end
require "lspconfig".efm.setup {
  init_options = {documentFormatting = true},
  on_attach = on_attach_efm,
  filetypes = {"javascript", "json", "sh", "python", "lua"},
  root_dir = function(fname)
    return util.root_pattern("tsconfig.json")(fname) or
    util.root_pattern(".eslintrc.js", ".git")(fname);
  end,
  settings = {
    rootMarkers = {".eslintrc.js", ".git/"},
    languages = {
      javascript = {eslint},
			json = {jq, fixjson},
			python = {flake8, black},
			sh = {shellcheck},
			lua = {luaformat}
		}
	}
}