1 files changed, 86 insertions, 0 deletions
diff --git a/lua/lvim/lsp/manager.lua b/lua/lvim/lsp/manager.lua
new file mode 100644
index 00000000..678a08af
--- /dev/null
+++ b/lua/lvim/lsp/manager.lua
@@ -0,0 +1,86 @@
+local M = {}
+
+local Log = require "lvim.core.log"
+local lsp_utils = require "lvim.lsp.utils"
+
+function M.init_defaults(languages)
+  for _, entry in ipairs(languages) do
+    if not lvim.lang[entry] then
+      lvim.lang[entry] = {
+        formatters = {},
+        linters = {},
+        lsp = {},
+      }
+    end
+  end
+end
+
+local function is_overridden(server)
+  local overrides = lvim.lsp.override
+  if type(overrides) == "table" then
+    if vim.tbl_contains(overrides, server) then
+      return true
+    end
+  end
+end
+
+---Resolve the configuration for a server based on both common and user configuration
+---@param name string
+---@param user_config table [optional]
+---@return table
+local function resolve_config(name, user_config)
+  local config = {
+    on_attach = require("lvim.lsp").common_on_attach,
+    on_init = require("lvim.lsp").common_on_init,
+    capabilities = require("lvim.lsp").common_capabilities(),
+  }
+
+  local status_ok, custom_config = pcall(require, "lvim.lsp/providers/" .. name)
+  if status_ok then
+    Log:debug("Using custom configuration for requested server: " .. name)
+    config = vim.tbl_deep_extend("force", config, custom_config)
+  end
+
+  if user_config then
+    config = vim.tbl_deep_extend("force", config, user_config)
+  end
+
+  return config
+end
+
+---Setup a language server by providing a name
+---@param server_name string name of the language server
+---@param user_config table [optional] when available it will take predence over any default configurations
+function M.setup(server_name, user_config)
+  vim.validate { name = { server_name, "string" } }
+
+  if lsp_utils.is_client_active(server_name) or is_overridden(server_name) then
+    return
+  end
+
+  local config = resolve_config(server_name, user_config)
+  local server_available, requested_server = require("nvim-lsp-installer.servers").get_server(server_name)
+
+  local function ensure_installed(server)
+    if server:is_installed() then
+      return true
+    end
+    if not lvim.lsp.automatic_servers_installation then
+      Log:debug(server.name .. " is not managed by the automatic installer")
+      return false
+    end
+    Log:debug(string.format("Installing [%s]", server.name))
+    server:install()
+    vim.schedule(function()
+      vim.cmd [[LspStart]]
+    end)
+  end
+
+  if server_available and ensure_installed(requested_server) then
+    requested_server:setup(config)
+  else
+    require("lspconfig")[server_name].setup(config)
+  end
+end
+
+return M