nixos/pkgsets/nvim/lsp.nix

{
  lib,
  config,
  pkgs,
  fn,
  ...
}@inputs:

lib.mkIf (lib.elem "nvim::lsp" config.machine.pkgs) {
  programs.nvim-lazy.lazyPlugins =
    let
      lspServers = lib.concatStrings (
        map (path: import "${path}" (inputs // { inherit pkgs; })) (
          fn.lst {
            path = ((toString ./.) + "/lsp");
            fullPath = true;
          }
        )
      );
    in
    [
      # Yaml schema store for yamlls
      {
        lazy = true;
        dir = vPlug: vPlug.SchemaStore-nvim;
      }

      {
        dir = vPlug: vPlug.cmp-nvim-lsp;
        lazy = true;
      }

      {
        dir = vPlug: vPlug.nvim-lspconfig;
        cmd = [ "LspInfo" ];
        event = [
          "BufReadPre"
          "BufNewFile"
        ];
        dependencies = (
          vPlug: with vPlug; [
            cmp-nvim-lsp
            SchemaStore-nvim
            # coq_nvim
          ]
        );
        init = # lua
          ''
            function()
              -- Reserve a space in the gutter
              -- This will avoid an annoying layout shift in the screen
              vim.opt.signcolumn = 'yes'

              ---Force a specific language for ltex-ls
              ---@param lang string
              function SetLtexLang(lang)
                local clients = vim.lsp.get_clients({ buffer = 0 })

                for _, client in ipairs(clients) do
                  if client.name == "ltex" then
                    vim.api.nvim_notify("Set ltex-ls lang to " .. lang, vim.log.levels.INFO, { title = "LTex Language", timeout = 2000, })
                    client.config.settings.ltex.language = lang
                    vim.lsp.buf_notify(0, "workspace/didChangeConfiguration", { settings = client.config.settings })
                    return
                  end
                end
              end
            end
          '';
        config = # lua
          ''
            function()
              local lsp_defaults = require('lspconfig').util.default_config

              -- Add cmp_nvim_lsp capabilities settings to lspconfig
              -- This should be executed before you configure any language server
              lsp_defaults.capabilities = vim.tbl_deep_extend(
                'force',
                lsp_defaults.capabilities,
                require('cmp_nvim_lsp').default_capabilities()
              )

              -- LspAttach is where you enable features that only work
              -- if there is a language server active in the file
              vim.api.nvim_create_autocmd('LspAttach', {
                desc = 'LSP actions',
                callback = function(event)
                  local opts = {buffer = event.buf}

                  vim.keymap.set('n', 'K', '<cmd>lua vim.lsp.buf.hover()<cr>', opts)
                  vim.keymap.set('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<cr>', opts)
                  vim.keymap.set('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<cr>', opts)
                  vim.keymap.set('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<cr>', opts)
                  vim.keymap.set('n', 'go', '<cmd>lua vim.lsp.buf.type_definition()<cr>', opts)
                  vim.keymap.set('n', 'gr', '<cmd>lua vim.lsp.buf.references()<cr>', opts)
                  vim.keymap.set('n', 'gs', '<cmd>lua vim.lsp.buf.signature_help()<cr>', opts)
                  vim.keymap.set('n', '<F2>', '<cmd>lua vim.lsp.buf.rename()<cr>', opts)
                  vim.keymap.set({'n', 'x'}, '<F3>', '<cmd>lua vim.lsp.buf.format({async = true})<cr>', opts)
                  vim.keymap.set('n', '<F4>', '<cmd>lua vim.lsp.buf.code_action()<cr>', opts)
                end,
              })

              -- (Optional) Configure lua language server for neovim
              local lspconfig = require('lspconfig')
              ${lspServers}
            end
          '';
        opts = {
          inlay_hints = {
            enabled = true;
          };
        };
      }
      # {
      #   dir = vPlug: vPlug.lspsaga-nvim;
      #   config = /* lua */ ''
      #     function()
      #       require('lspsaga').setup({
      #         ui = {
      #           code_action = "󰌵",
      #         },
      #         lightbulb = {
      #         	enable = true,
      #         	enable_in_insert = false,
      #         	virtual_text = false,
      #         },
      #       })
      #     end
      #   '';
      #   dependencies = [ "nvim-treesitter" "nvim-web-devicons" ];
      # }
      # {
      #   lazy = true;
      #   dir = vPlug: vPlug.nvim-web-devicons;
      # }
    ];
}