nvim/lua/plugins/lsp.lua

return {
  {
    "neovim/nvim-lspconfig",
    dependencies = {
      "williamboman/mason.nvim",
      "williamboman/mason-lspconfig.nvim",
    },
    config = function()
      require("mason").setup()
      require("mason-lspconfig").setup({
        ensure_installed = {
          "lua_ls",        -- Lua
          "pyright",       -- Python
          "ts_ls",         -- TypeScript/JavaScript (tsserver renamed)
          "rust_analyzer", -- Rust
          "gopls",         -- Go
          "clangd",        -- C/C++
          "bashls",        -- Bash
          "jsonls",        -- JSON
          "yamlls",        -- YAML
          "html",          -- HTML
          "cssls",         -- CSS
        },
        automatic_installation = true,
      })

      local lspconfig = require("lspconfig")
      local capabilities = vim.lsp.protocol.make_client_capabilities()

      -- Basic LSP keymaps
      vim.api.nvim_create_autocmd("LspAttach", {
        group = vim.api.nvim_create_augroup("UserLspConfig", {}),
        callback = function(ev)
          local opts = { buffer = ev.buf }
          vim.keymap.set("n", "gD", vim.lsp.buf.declaration, opts)
          vim.keymap.set("n", "gd", vim.lsp.buf.definition, opts)
          vim.keymap.set("n", "<C-]>", vim.lsp.buf.definition, opts) -- Ctrl+] for go to definition
          vim.keymap.set("n", "K", vim.lsp.buf.hover, opts)
          vim.keymap.set("n", "gi", vim.lsp.buf.implementation, opts)
          vim.keymap.set("n", "<leader>rn", vim.lsp.buf.rename, opts)
          vim.keymap.set({ "n", "v" }, "<leader>ca", vim.lsp.buf.code_action, opts)
          vim.keymap.set("n", "gr", vim.lsp.buf.references, opts)
          vim.keymap.set("n", "<leader>f", function()
            vim.lsp.buf.format({ async = true })
          end, opts)
        end,
      })

      -- Auto-setup all installed servers
      require("mason-lspconfig").setup_handlers({
        -- Default handler for all servers
        function(server_name)
          lspconfig[server_name].setup({
            capabilities = capabilities,
          })
        end,

        -- Custom configuration for specific servers
        ["lua_ls"] = function()
          lspconfig.lua_ls.setup({
            capabilities = capabilities,
            settings = {
              Lua = {
                diagnostics = {
                  globals = { "vim" },
                },
              },
            },
          })
        end,

        ["pyright"] = function()
          lspconfig.pyright.setup({
            capabilities = capabilities,
            settings = {
              python = {
                analysis = {
                  typeCheckingMode = "basic",
                  autoSearchPaths = true,
                  useLibraryCodeForTypes = true,
                },
              },
            },
          })
        end,
      })
    end,
  },
}