dotfiles/.config/nvim/after/plugin/lsp.lua

if vim.g.vscode then
  return
end



vim.diagnostic.config({
  underline = true,
  signs = {
    text = {
      [vim.diagnostic.severity.ERROR] = "",
      [vim.diagnostic.severity.WARN]  = "",
      [vim.diagnostic.severity.INFO]  = "",
      [vim.diagnostic.severity.HINT]  = "", -- optional, you can pick any icon
    },
  },
  virtual_text = true, -- or { prefix = "●" } for customization
  update_in_insert = false,
  severity_sort = true,
})

-- Setup for nvim-notify
vim.lsp.set_log_level(2)
-- Map LSP message types (1=Error, 2=Warning, 3=Info, 4=Log) to vim.log.levels
local severity_map = {
  [1] = vim.log.levels.ERROR,
  [2] = vim.log.levels.WARN,
  [3] = vim.log.levels.INFO,
  [4] = vim.log.levels.DEBUG,
}

vim.lsp.handlers["window/showMessage"] = function(_, result, ctx, _)
  local lvl = severity_map[result.type] or vim.log.levels.INFO
  if vim.lsp.log.should_log(lvl) then
    local client = vim.lsp.get_client_by_id(ctx.client_id)
    local title = client and ("LSP | " .. client.name) or "LSP"
    vim.notify(result.message, lvl, { title = title })
  end
end

-- symbols for autocomplete
vim.lsp.protocol.CompletionItemKind = {
  "   (Text) ",
  "   (Method)",
  "   (Function)",
  "   (Constructor)",
  " ﴲ  (Field)",
  "[] (Variable)",
  "   (Class)",
  " ﰮ  (Interface)",
  "   (Module)",
  " 襁 (Property)",
  "   (Unit)",
  "   (Value)",
  " 練 (Enum)",
  "   (Keyword)",
  "   (Snippet)",
  "   (Color)",
  "   (File)",
  "   (Reference)",
  "   (Folder)",
  "   (EnumMember)",
  " ﲀ  (Constant)",
  " ﳤ  (Struct)",
  "   (Event)",
  "   (Operator)",
  "   (TypeParameter)"
}


-- Diagnostic keymaps
-- Show Lspsaga line diagnostics
vim.keymap.set('n', '<leader>e', '<cmd>Lspsaga show_line_diagnostics<CR>', { noremap = true, silent = true })

-- Send diagnostics to location list
vim.keymap.set('n', '<leader>q', function()
  vim.diagnostic.setloclist()
end, { noremap = true, silent = true })

-- Global mappings.
-- See `:help vim.diagnostic.*` for documentation on any of the below functions
vim.keymap.set('n', '<space>e', vim.diagnostic.open_float)
vim.keymap.set('n', ']d', function()
  vim.diagnostic.jump_next()
end, { desc = "Go to next diagnostic" })

vim.keymap.set('n', '[d', function()
  vim.diagnostic.jump_prev()
end, { desc = "Go to previous diagnostic" })
vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist)

-- Use LspAttach autocommand to only map the following keys
-- after the language server attaches to the current buffer
vim.api.nvim_create_autocmd('LspAttach', {
  group = vim.api.nvim_create_augroup('UserLspConfig', {}),
  callback = function(ev)
    -- Enable completion triggered by <c-x><c-o>
    vim.bo[ev.buf].omnifunc = 'v:lua.vim.lsp.omnifunc'

    -- Buffer local mappings.
    -- See `:help vim.lsp.*` for documentation on any of the below functions
    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', 'K', vim.lsp.buf.hover, opts)
    vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, opts)
    vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, opts)
    vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, opts)
    vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, opts)
    vim.keymap.set('n', '<space>wl', function()
      print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
    end, opts)
    vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, opts)
    vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, opts)
    vim.keymap.set({ 'n', 'v' }, '<space>ca', vim.lsp.buf.code_action, opts)
    vim.keymap.set('n', 'gr', vim.lsp.buf.references, opts)
    vim.keymap.set('n', '<space>f', function()
      vim.lsp.buf.format { async = true }
    end, opts)
  end,
})

vim.lsp.config("lua_ls", {
  settings = {
    Lua = {
      runtime = {
        -- Tell the language server which version of Lua you're using
        version = "LuaJIT",
      },
      diagnostics = {
        -- Get the language server to recognize the `vim` global
        globals = { "vim" },
      },
      workspace = {
        -- Make the server aware of Neovim runtime files
        library = vim.api.nvim_get_runtime_file("", true),
      },
      telemetry = {
        -- Do not send telemetry data containing a randomized but unique identifier
        enable = false,
      },
    },
  },
})


-- Enable it
local neodev = require("neodev")

-- must run before enabling lua_ls
neodev.setup({})

vim.lsp.config("lua_ls", {
  settings = {
    Lua = {
      runtime = { version = "LuaJIT" },
      diagnostics = { globals = { "vim" } },
      workspace = {
        library = vim.api.nvim_get_runtime_file("", true),
        checkThirdParty = false,
      },
      telemetry = { enable = false },
    },
  },
})

vim.lsp.config('gopls', {
  cmd = { "gopls" },
  filetypes = { "go", "gomod", "gowork", "gotmpl" },
  root_markers = { "go.work", "go.mod", ".git" },
  settings = {
    gopls = {
      analyses = {
        unusedparams = true,
        shadow = true,
      },
      staticcheck = true,
    },
  },
})

vim.lsp.enable 'lua_ls'
vim.lsp.enable 'gopls'

vim.lsp.config('expert', {
  cmd = { 'expert' },
  root_markers = { 'mix.exs', '.git' },
  filetypes = { 'elixir', 'eelixir', 'heex' },
})

vim.lsp.enable 'expert'