1 files changed, 99 insertions, 0 deletions
diff --git a/.config/nvim/lua/custom/lsp.lua b/.config/nvim/lua/custom/lsp.lua
new file mode 100644
index 0000000..1238001
--- /dev/null
+++ b/.config/nvim/lua/custom/lsp.lua
@@ -0,0 +1,99 @@
+-- NOTE: A list of language servers (and potentially their config)
+-- Accepts either true to enable, false to disable or a table with settings
+local servers = {
+    lua_ls = true,                 -- lua
+    clangd = true,                 -- C/C++
+    gradle_ls = true,              -- java package manager
+    jdtls = true,                  -- java eclipse lsp
+    kotlin_language_server = true, -- kotlin
+    pyright = true,                -- python
+    rust_analyzer = true,          -- rust
+    bashls = true,                 -- bash
+    taplo = true,                  -- toml
+    lemminx = true,                -- xml
+    yamlls = true,                 -- yaml
+    jsonls = true,                 -- json
+}
+
+-- NOTE: Not language servers but still make sure mason installs them
+local ensure_installed = {
+    stylua = true, -- lua formatting
+}
+
+local capabilities = nil
+if pcall(require, 'cmp_nvim_lsp') then
+    capabilities = require('cmp_nvim_lsp').default_capabilities()
+end
+
+local servers_to_install = vim.tbl_filter(function(key)
+    local server = servers[key]
+    if type(server) == 'table' then
+        return true
+    else
+        return server
+    end
+end, vim.tbl_keys(servers))
+
+require('mason').setup()
+vim.list_extend(ensure_installed, servers_to_install)
+require('mason-lspconfig').setup({ ensure_installed = servers_to_install })
+
+local lspconfig = require('lspconfig')
+for name, config in pairs(servers) do
+    if config == true then
+        ---@diagnostic disable-next-line: cast-local-type
+        config = {}
+    end
+    config = vim.tbl_deep_extend('force', {}, {
+        capabilities = capabilities,
+    }, config)
+
+    lspconfig[name].setup(config)
+end
+
+vim.api.nvim_create_autocmd('LspAttach', {
+    callback = function(args)
+        local bufnr = args.buf
+        local client = assert(vim.lsp.get_client_by_id(args.data.client_id), 'must have valid client')
+
+        -- TODO: Check if I need this line
+        -- vim.opt_local.omnifunc = "v:lua.vim.lsp.omnifunc"
+
+        local settings = servers[client.name]
+        if type(settings) ~= 'table' then
+            ---@diagnostic disable-next-line: cast-local-type
+            settings = {}
+        end
+
+        -- Override server capabilities
+        if settings.server_capabilities then
+            for k, v in pairs(settings.server_capabilities) do
+                if v == vim.NIL then
+                    v = nil
+                end
+                client.server_capabilities[k] = v
+            end
+        end
+    end,
+})
+
+-- TODO: Understand what this is
+-- -- Autoformatting Setup
+-- require('conform').setup({
+--     formatters_by_ft = {
+--         lua = { 'stylua' },
+--     },
+-- })
+--
+-- vim.api.nvim_create_autocmd('BufWritePre', {
+--     callback = function(args)
+--         require('conform').format({
+--             bufnr = args.buf,
+--             lsp_fallback = true,
+--             quiet = true,
+--         })
+--     end,
+-- })
+--
+-- require('lsp_lines').setup()
+-- vim.diagnostic.config({ virtual_text = false })