local uv = vim.uv or vim.loop
return {
  "mfussenegger/nvim-lint",
  ft = {
    "lua",
    "python",
    "rst",
    "sh",
    "vim",
    "yaml",
  },
  opts = {
    linters_by_ft = {
      lua = { "luacheck" },
      python = { "mypy", "pylint" },
      rst = { "rstlint" },
      sh = { "shellcheck" },
      vim = { "vint" },
      yaml = { "yamllint" },
    },
    linters = {},
  },
  config = function(_, opts)
    local lint = require("lint")
    lint.linters_by_ft = opts.linters_by_ft
    for k, v in pairs(opts.linters) do
      lint.linters[k] = v
    end
    local timer = assert(uv.new_timer())
    local DEBOUNCE_MS = 500
    local aug = vim.api.nvim_create_augroup("Lint", { clear = true })
    vim.api.nvim_create_autocmd({ "BufEnter", "BufWritePost", "TextChanged", "InsertLeave" }, {
      group = aug,
      callback = function()
        local bufnr = vim.api.nvim_get_current_buf()
        timer:stop()
        timer:start(
          DEBOUNCE_MS,
          0,
          vim.schedule_wrap(function()
            if vim.api.nvim_buf_is_valid(bufnr) then
              vim.api.nvim_buf_call(bufnr, function() lint.try_lint(nil, { ignore_errors = true }) end)
            end
          end)
        )
      end,
    })
    lint.try_lint(nil, { ignore_errors = true })
  end,
}