{ pkgs, ... }:

with pkgs.vimPlugins;
[
  { plugin = lsp-zero-nvim;
    config = ''
    lua << EOF
      local lsp = require('lsp-zero').preset({})

      lsp.on_attach(function(client, bufnr)
        lsp.default_keymaps({buffer = bufnr})
      end)

      lsp.setup_servers({
        "tsserver",
        "eslint",
        "hls",
        "pyright",
        "nil_ls",
        "cssls",
        "html",
        "jsonls",
        "diagnosticls",
        "lua_ls",
        "marksman",
        "purescriptls",
        "tailwindcss",
        "bashls",
      })

      lsp.setup()
    EOF
    '';
  }

  { plugin = null-ls-nvim; }
  { plugin = nvim-lspconfig; }
  { plugin = cmp-nvim-lsp; }

  { plugin = nvim-cmp; 
    config = ''
    lua << EOF
      local has_words_before = function()
        unpack = unpack or table.unpack
        local line, col = unpack(vim.api.nvim_win_get_cursor(0))
        return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
      end

      local luasnip = require("luasnip")
      local cmp = require'cmp'

      cmp.setup({
        snippet = {
          expand = function(args)
            require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
          end,
        },

        window = {
          completion = cmp.config.window.bordered(),
          documentation = cmp.config.window.bordered(),
        },

        enabled = function()
          -- disable completion in comments
          local context = require("cmp.config.context")
          -- keep command mode completion enabled when cursor is in a comment
          if vim.api.nvim_get_mode().mode == "c" then
            return true
          else
            return not context.in_treesitter_capture("comment") and not context.in_syntax_group("Comment")
          end
        end,

        mapping = cmp.mapping.preset.insert({
          ['<C-b>'] = cmp.mapping.scroll_docs(-4),
          ['<C-f>'] = cmp.mapping.scroll_docs(4),
          ['<C-Space>'] = cmp.mapping.complete(),
          ['<C-e>'] = cmp.mapping.abort(),
          ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
        }),

        sources = cmp.config.sources({
          { name = 'nvim_lsp' },
          { name = 'luasnip' }, -- For luasnip users.
        }, {
          { name = 'buffer' },
        })
      })
    EOF
    '';
  }
]