local lspKeys = function(client, bufnr)
  local options = { noremap = true, silent = false, buffer = bufnr }
  vim.keymap.set({ 'n', 'x' }, '<space>a', vim.lsp.buf.code_action, vim.tbl_extend('error', options, { desc = 'Code action' }))
  vim.keymap.set('n', '<space>e', vim.lsp.buf.declaration, vim.tbl_extend('error', options, { desc = 'Declaration' }))
  vim.keymap.set('n', '<space>h', function()
    vim.lsp.buf.hover({ border = 'none' })
  end, vim.tbl_extend('error', options, { desc = 'Hover' }))
  vim.keymap.set('n', '<space>c', vim.lsp.buf.outgoing_calls, vim.tbl_extend('error', options, { desc = 'Outgoing calls' }))
  vim.keymap.set('n', '<space>C', vim.lsp.buf.incoming_calls, vim.tbl_extend('error', options, { desc = 'Incoming calls' }))
  vim.keymap.set('n', '<space>m', vim.lsp.buf.rename, vim.tbl_extend('error', options, { desc = 'Rename' }))
  vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, vim.tbl_extend('error', options, { desc = 'Type definition' }))
  vim.keymap.set({ 'n', 'i', 'x' }, '<C-k>', vim.lsp.buf.signature_help, vim.tbl_extend('error', options, { desc = 'Signature help' }))
  vim.keymap.set('n', '<space>v', function()
    vim.diagnostic.open_float({ border = 'rounded' })
  end, vim.tbl_extend('error', options, { desc = 'Diagnostics Float' }))
  vim.keymap.set('n', '<A-o>', '<cmd>ClangdSwitchSourceHeader<CR>', vim.tbl_extend('error', options, { desc = 'Switch Source/Header' }))

  if client.supports_method('inlayHintProvider') then
    vim.keymap.set('n', '<space>i', function()
      vim.lsp.inlay_hint.enable(not vim.lsp.inlay_hint.is_enabled({ bufnr = bufnr }), { bufnr = bufnr })
    end, {
      noremap = true,
      silent = false,
      desc = 'Toggle inlay hints',
      buffer = bufnr,
    })
  end
end
return {
  {
    'neovim/nvim-lspconfig',
    dependencies = {
      'williamboman/mason.nvim',
      'williamboman/mason-lspconfig.nvim',
      'SmiteshP/nvim-navic',
    },
    lazy = false,
    config = function()
      local servers = {
        basedpyright = {
          settings = {
            basedpyright = {
              typeCheckingMode = 'standard',
            },
          },
        },
        ruff = {},
        clangd = {
          cmd = {
            'clangd',
            '--compile-commands-dir=build_nvim',
            '--query-driver',
            '/opt/cortex-a78-2022.08-gcc12.1-linux5.15/bin/aarch64-linux-gnu-g*',
            '--clang-tidy',
            '--background-index',
            '--use-dirty-headers',
            '--completion-style=detailed',
          },
          root_markers = {
            '.clangd',
            '.clang-tidy',
            '.clang-format',
            'compile_flags.txt',
            'configure.ac',
            '.git',
            'build_nvim',
          },
        },
        lua_ls = {
          settings = {
            Lua = {
              workspace = {
                checkThirdParty = false,
              },
              completion = {
                callSnippet = 'Replace',
              },
              -- Do not send telemetry data containing a randomized but unique identifier
              telemetry = {
                enable = false,
              },
              diagnostics = {
                disable = { 'missing-fields' },
              },
              format = {
                enable = true,
                defaultConfig = {
                  indent_style = 'space',
                  indent_size = '2',
                  quote_style = 'single',
                },
              },
            },
          },
        },
        jsonls = {},
        dockerls = {},
        yamlls = {
          settings = {
            yaml = {
              validate = true,
            },
          },
        },
        neocmake = {},
        markdown_oxide = {},
      }

      local ensure_installed = vim.tbl_keys(servers or {})

      require('mason').setup()
      require('mason-lspconfig').setup({
        ensure_installed = ensure_installed,
      })

      local capabilities = vim.lsp.protocol.make_client_capabilities()
      capabilities = require('cmp_nvim_lsp').default_capabilities(capabilities)
      vim.lsp.config('*', {
        capabilities = capabilities,
      })

      for server, settings in pairs(servers) do
        vim.lsp.config(server, settings)
        vim.lsp.enable(server)
      end

      local lsp_group = vim.api.nvim_create_augroup('UserLspAttach', { clear = true })
      vim.api.nvim_create_autocmd('LspAttach', {
        group = lsp_group,
        desc = 'Set buffer‑local keymaps and options after an LSP client attaches',
        callback = function(args)
          local bufnr = args.buf
          local client = vim.lsp.get_client_by_id(args.data.client_id)
          if not client then
            return
          end
          lspKeys(client, bufnr)

          if client.server_capabilities.completionProvider then
            vim.bo[bufnr].omnifunc = 'v:lua.vim.lsp.omnifunc'
            vim.bo[bufnr].formatexpr = 'v:lua.vim.lsp.formatexpr()'
          end

          if client.server_capabilities.inlayHintProvider then
            vim.keymap.set('n', '<space>i', function()
              vim.lsp.inlay_hint.enable(not vim.lsp.inlay_hint.is_enabled({ bufnr = bufnr }), { bufnr = bufnr })
            end, {
              noremap = true,
              silent = false,
              desc = 'Toggle inlay hints',
              buffer = bufnr,
            })
          end

          if client.server_capabilities.documentSymbolProvider then
            local navic = require('nvim-navic')
            navic.attach(client, bufnr)
          end
        end,
      })
    end,
  },
}