local ht = require('haskell-tools')
local def_opts = { noremap = true, silent = true, }
ht.start_or_attach {
  hls = {
    on_attach = function(client, bufnr)
      local opts = vim.tbl_extend('keep', def_opts, { buffer = bufnr, })
      -- haskell-language-server relies heavily on codeLenses,
      -- so auto-refresh (see advanced configuration) is enabled by default
      vim.keymap.set('n', '<space>ca', vim.lsp.codelens.run, opts)
      vim.keymap.set('n', '<space>hs', ht.hoogle.hoogle_signature, opts)
      vim.keymap.set('n', '<space>ea', ht.lsp.buf_eval_all, opts)
    end,
  },
}

-- Suggested keymaps that do not depend on haskell-language-server:
local bufnr = vim.api.nvim_get_current_buf()
-- set buffer = bufnr in ftplugin/haskell.lua
local opts = { noremap = true, silent = true, buffer = bufnr }

-- Toggle a GHCi repl for the current package
vim.keymap.set('n', '<leader>rr', ht.repl.toggle, opts)
-- Toggle a GHCi repl for the current buffer
vim.keymap.set('n', '<leader>rf', function()
  ht.repl.toggle(vim.api.nvim_buf_get_name(0))
end, def_opts)
vim.keymap.set('n', '<leader>rq', ht.repl.quit, opts)

-- Detect nvim-dap launch configurations
-- (requires nvim-dap and haskell-debug-adapter)
-- ht.dap.discover_configurations(bufnr)