From 6010cf654c5303db5d433501b750564c9d2e0230 Mon Sep 17 00:00:00 2001
From: Ajay Mamtora <45173937+Ajaymamtora@users.noreply.github.com>
Date: Tue, 10 Dec 2024 22:50:31 +0000
Subject: [PATCH] Merge in settings.lua

---
 lua/neoconf/editor.lua     | 123 +++++++++++++++++++++++++++++++++++++
 lua/neoconf/init.lua       | 117 +++++++++++++++++++++++++++++++++++
 lua/neoconf/settings.lua   |  10 +++
 lua/neoconf/utils/json.lua |  97 +++++++++++++++++++++++++++++
 lua/neoconf/view.lua       |  65 +++++++++++++++++++-
 5 files changed, 410 insertions(+), 2 deletions(-)
 create mode 100644 lua/neoconf/editor.lua
 create mode 100644 lua/neoconf/utils/json.lua

diff --git a/lua/neoconf/editor.lua b/lua/neoconf/editor.lua
new file mode 100644
index 0000000..b52ba6f
--- /dev/null
+++ b/lua/neoconf/editor.lua
@@ -0,0 +1,123 @@
+local Config = require("neoconf.config")
+local Json = require("neoconf.utils.json")
+local Settings = require("neoconf.settings")
+local Util = require("neoconf.util")
+
+local M = {}
+
+-- Cache directory for temporary files
+M.TMP_DIR = vim.fn.stdpath("cache") .. "/.neoconf_tmp"
+
+---@class EditorOptions
+---@field on_save fun()|nil Called after saving settings
+---@field on_close fun()|nil Called when closing the editor
+
+---Create a temporary JSON file
+---@return string filepath
+function M.create_temp_file()
+  vim.fn.mkdir(M.TMP_DIR, "p")
+  local random_name = vim.fn.system("openssl rand -hex 8"):gsub("\n", "")
+  return M.TMP_DIR .. "/" .. random_name .. ".json"
+end
+
+---Open settings in a new buffer
+---@param settings table The settings to edit
+---@param opts EditorOptions|nil
+---@return number bufnr
+function M.open(settings, opts)
+  opts = vim.tbl_deep_extend("force", {
+    on_save = function() end,
+    on_close = function() end,
+  }, opts or {})
+
+  local temp_file = M.create_temp_file()
+  local formatted = Json.encode(settings, { sort = true })
+
+  -- Write formatted content to temp file
+  local file = io.open(temp_file, "w")
+  if file then
+    file:write(formatted)
+    file:close()
+  else
+    error("Failed to write temporary file: " .. temp_file)
+  end
+
+  -- Open in new tab
+  vim.cmd("tabnew " .. temp_file)
+  local buf = vim.api.nvim_get_current_buf()
+
+  -- Mark as temporary buffer
+  vim.api.nvim_buf_set_var(buf, "is_temp_settings_buffer", true)
+  vim.api.nvim_buf_set_var(buf, "temp_file_path", temp_file)
+
+  -- Setup buffer
+  vim.api.nvim_buf_set_option(buf, "filetype", "json")
+  vim.api.nvim_buf_set_option(buf, "bufhidden", "wipe")
+
+  -- Save keymap
+  vim.keymap.set("n", "<leader>s", function()
+    M.save_current_buffer()
+    opts.on_save()
+  end, { buffer = buf, noremap = true, silent = true })
+
+  -- Clean up on buffer close
+  vim.api.nvim_create_autocmd("BufUnload", {
+    buffer = buf,
+    once = true,
+    callback = function()
+      os.remove(temp_file)
+      opts.on_close()
+    end,
+  })
+
+  return buf
+end
+
+---Save the current buffer settings
+function M.save_current_buffer()
+  local buf = vim.api.nvim_get_current_buf()
+
+  -- Verify this is a settings buffer
+  if not pcall(vim.api.nvim_buf_get_var, buf, "is_temp_settings_buffer") then
+    Util.error("This is not a temporary settings buffer")
+    return
+  end
+
+  -- Get current content
+  local lines = vim.api.nvim_buf_get_lines(buf, 0, -1, false)
+  local content = table.concat(lines, "\n")
+
+  -- Validate JSON
+  local ok, decoded = pcall(vim.json.decode, content)
+  if not ok then
+    Util.error("Invalid JSON. Please check your changes")
+    return
+  end
+
+  -- Write to local config
+  local success = Settings.write_local(decoded)
+  if success then
+    Util.info("Settings saved successfully")
+    Settings.refresh()
+    vim.api.nvim_buf_delete(buf, { force = true })
+  end
+end
+
+---Close all temporary settings buffers
+function M.close_all()
+  local closed = 0
+  for _, buf in ipairs(vim.api.nvim_list_bufs()) do
+    local is_temp = pcall(vim.api.nvim_buf_get_var, buf, "is_temp_settings_buffer")
+    if is_temp then
+      local file = vim.api.nvim_buf_get_name(buf)
+      os.remove(file)
+      vim.api.nvim_buf_delete(buf, { force = true })
+      closed = closed + 1
+    end
+  end
+  if closed > 0 then
+    Util.info(string.format("Closed %d temporary settings buffer(s)", closed))
+  end
+end
+
+return M
diff --git a/lua/neoconf/init.lua b/lua/neoconf/init.lua
index 0227765..6f0cffd 100644
--- a/lua/neoconf/init.lua
+++ b/lua/neoconf/init.lua
@@ -1,3 +1,6 @@
+local Settings = require("neoconf.settings")
+local Util = require("neoconf.util")
+
 local M = {}
 
 function M.setup(opts)
@@ -19,4 +22,118 @@ function M.get(key, defaults, opts)
   return require("neoconf.workspace").get(opts).settings:get(key, { defaults = defaults })
 end
 
+---Toggle a boolean value at a specific settings path
+---@param path string The dot-separated path to the setting
+---@return boolean|nil new_value The new value after toggling
+---@return string|nil error
+function M.toggle(path)
+  local settings = Settings.get_local(vim.uv.cwd())
+  local current = settings:get(path)
+
+  -- If value doesn't exist, start with false
+  if type(current) ~= "boolean" then
+    current = false
+  end
+
+  -- Create new settings with toggled value
+  local new_settings = {}
+  local parts = vim.split(path, ".", { plain = true })
+  local node = new_settings
+  for i = 1, #parts - 1 do
+    node[parts[i]] = {}
+    node = node[parts[i]]
+  end
+  node[parts[#parts]] = not current
+
+  -- Write to local settings
+  local success = Settings.write_local(new_settings)
+  if not success then
+    return nil, "Failed to write settings"
+  end
+
+  Settings.refresh()
+  return not current
+end
+
+---Toggle a string value in a table at a specific settings path
+---@param str string The string to toggle
+---@param path string The dot-separated path to the array
+---@return boolean|nil success
+---@return string|nil error
+function M.toggle_string_in_table(str, path)
+  local settings = Settings.get_local(vim.uv.cwd())
+  local current = settings:get(path)
+
+  if type(current) ~= "table" then
+    current = {}
+  end
+
+  -- Toggle string in array
+  local found = false
+  for i, v in ipairs(current) do
+    if v == str then
+      table.remove(current, i)
+      found = true
+      break
+    end
+  end
+
+  if not found then
+    table.insert(current, str)
+  end
+
+  -- Create new settings
+  local new_settings = {}
+  local parts = vim.split(path, ".", { plain = true })
+  local node = new_settings
+  for i = 1, #parts - 1 do
+    node[parts[i]] = {}
+    node = node[parts[i]]
+  end
+  node[parts[#parts]] = current
+
+  -- Write to local settings
+  local success = Settings.write_local(new_settings)
+  if not success then
+    return nil, "Failed to write settings"
+  end
+
+  Settings.refresh()
+  return true
+end
+
+---Helper function to toggle LSP inlay hints
+---@return boolean|nil new_state
+function M.toggle_inlay_hints()
+  local new_state = M.toggle("lsp.inlay_hint")
+  if new_state ~= nil then
+    vim.lsp.inlay_hint.enable(0, new_state)
+    Util.info("Inlay hints " .. (new_state and "enabled" or "disabled"))
+  end
+  return new_state
+end
+
+---Helper function to toggle autoformatting
+---@return boolean|nil new_state
+function M.toggle_autoformat()
+  local new_state = M.toggle("autoformat")
+  if new_state ~= nil then
+    Util.info("Autoformat " .. (new_state and "enabled" or "disabled"))
+  end
+  return new_state
+end
+
+---Print the current state of a property
+---@param property_name string The name to display in the message
+---@param path string|nil The settings path (defaults to property_name)
+function M.print_property_state(property_name, path)
+  local settings = Settings.get_local(vim.uv.cwd())
+  local value = settings:get(path or property_name)
+  if value ~= nil then
+    Util.info(string.format("'%s' is currently set to: %s", property_name, tostring(value)))
+  else
+    Util.warn(string.format("'%s' is not set", property_name))
+  end
+end
+
 return M
diff --git a/lua/neoconf/settings.lua b/lua/neoconf/settings.lua
index 9c8e0d9..de79c72 100644
--- a/lua/neoconf/settings.lua
+++ b/lua/neoconf/settings.lua
@@ -163,6 +163,16 @@ function M.get_global()
   return settings
 end
 
+---Write settings to local config file
+---@param content table The settings to write
+---@return boolean success
+function M.write_local(content)
+  local root_dir = require("neoconf.workspace").find_root({})
+  local local_file = root_dir .. "/" .. require("neoconf.config").options.local_settings
+
+  return require("neoconf.utils.json").write(local_file, content, { sort = true, format = false })
+end
+
 function M.refresh()
   local Workspace = require("neoconf.workspace")
   -- Clear the internal state
diff --git a/lua/neoconf/utils/json.lua b/lua/neoconf/utils/json.lua
new file mode 100644
index 0000000..5abde5f
--- /dev/null
+++ b/lua/neoconf/utils/json.lua
@@ -0,0 +1,97 @@
+local uv = vim.uv or vim.loop
+
+local M = {}
+
+---@class JsonEncodeOptions
+---@field sort boolean Sort object keys
+---@field format boolean Format JSON output
+
+---Encode a Lua table to JSON
+---@param value any The value to encode
+---@param opts JsonEncodeOptions|nil
+---@return string
+function M.encode(value, opts)
+  opts = vim.tbl_extend("force", { sort = false, format = true }, opts or {})
+
+  -- Basic JSON encode
+  local ok, json = pcall(vim.json.encode, value)
+  if not ok then
+    error("Failed to encode JSON: " .. json)
+  end
+
+  -- Format with jq if requested
+  if opts.format or opts.sort then
+    local args = { "jq" }
+    if opts.sort then
+      table.insert(args, "--sort-keys")
+    end
+    table.insert(args, ".")
+
+    local result = vim.fn.system(args, json)
+    if vim.v.shell_error == 0 then
+      return result
+    end
+    -- Fallback to unformatted JSON if jq fails
+    return json
+  end
+
+  return json
+end
+
+---Write JSON to a file
+---@param filepath string
+---@param content any
+---@param opts JsonEncodeOptions|nil
+---@return boolean success, string? error
+function M.write(filepath, content, opts)
+  -- Encode content
+  local ok, data = pcall(M.encode, content, opts)
+  if not ok then
+    return false, "Failed to encode JSON"
+  end
+
+  -- Write to file
+  local fd = uv.fs_open(filepath, "w", 438) -- 0666 octal
+  if not fd then
+    return false, "Could not open file for writing"
+  end
+
+  local success = pcall(function()
+    uv.fs_write(fd, data, 0)
+    uv.fs_close(fd)
+  end)
+
+  if not success then
+    return false, "Failed to write file"
+  end
+
+  return true
+end
+
+---Read JSON from a file
+---@param filepath string
+---@return table|nil content
+---@return string|nil error
+function M.read(filepath)
+  local fd = uv.fs_open(filepath, "r", 438)
+  if not fd then
+    return nil, "Could not open file"
+  end
+
+  local stat = uv.fs_fstat(fd)
+  local data = uv.fs_read(fd, stat.size, 0)
+  uv.fs_close(fd)
+
+  if not data then
+    return nil, "Could not read file"
+  end
+
+  local ok, content = pcall(vim.json.decode, data)
+  if not ok then
+    return nil, "Failed to decode JSON"
+  end
+
+  return content
+end
+
+return M
diff --git a/lua/neoconf/view.lua b/lua/neoconf/view.lua
index 6e835ac..40d8104 100644
--- a/lua/neoconf/view.lua
+++ b/lua/neoconf/view.lua
@@ -1,3 +1,5 @@
+local Editor = require("neoconf.editor")
+local Settings = require("neoconf.settings")
 local Util = require("neoconf.util")
 
 local M = {}
@@ -69,7 +71,7 @@ function M.show_lsp_settings()
       if Util.exists(item.file) then
         local line = "* " .. vim.fn.fnamemodify(item.file, ":~")
         if item.is_global then
-          line = line .. "  "
+          line = line .. "  "
         end
         table.insert(content, line)
       end
@@ -88,7 +90,7 @@ function M.show_settings()
     if Util.exists(item.file) then
       local line = "* " .. vim.fn.fnamemodify(item.file, ":~")
       if item.is_global then
-        line = line .. "  "
+        line = line .. "  "
       end
       table.insert(content, line)
     end
@@ -100,4 +102,63 @@ function M.show_settings()
   M.show(table.concat(content, "\n"))
 end
 
+-- Display LSP client settings
+function M.show_client_settings(client)
+  local client_settings = client.config.settings
+  local neoconf_settings = require("neoconf").get()
+
+  if next(client_settings) ~= nil or next(neoconf_settings) ~= nil then
+    local merged = vim.tbl_deep_extend("force", {}, neoconf_settings, client_settings)
+    Editor.open(merged, {
+      on_save = function()
+        Settings.refresh()
+      end,
+    })
+  else
+    Util.warn("No settings found for " .. client.name .. " or in neoconf")
+  end
+end
+
+-- Choose and display LSP client settings
+function M.choose_client()
+  local clients = vim.lsp.get_clients()
+
+  if #clients == 0 then
+    M.show_local_settings()
+  else
+    local choices = {
+      { name = "Local Settings (No LSP merge)", action = M.show_local_settings },
+    }
+    for _, client in ipairs(clients) do
+      table.insert(choices, {
+        name = client.name,
+        action = function()
+          M.show_client_settings(client)
+        end,
+      })
+    end
+
+    vim.ui.select(choices, {
+      prompt = "Choose settings to modify:",
+      format_item = function(choice)
+        return choice.name
+      end,
+    }, function(choice)
+      if choice then
+        choice.action()
+      end
+    end)
+  end
+end
+
+-- Show local settings
+function M.show_local_settings()
+  local settings = Settings.get_local(vim.uv.cwd()):get()
+  Editor.open(settings or {}, {
+    on_save = function()
+      Settings.refresh()
+    end,
+  })
+end
+
 return M