init.lua

-- Set <space> as the leader key
-- See `:help mapleader`
vim.g.mapleader = " "
vim.g.maplocalleader = " "
--
--

vim.opt.tabstop = 4
vim.opt.shiftwidth = 4
vim.opt.softtabstop = 4

-- [[ Setting options ]]
-- See `:help vim.opt`
vim.o.termguicolors = true

-- Make line numbers default
vim.opt.number = true
-- vim.opt.relativenumber = true

-- Enable mouse mode, can be useful for resizing splits for example!
vim.opt.mouse = "a"

-- Don't show the mode, since it's already in status line
vim.opt.showmode = false

-- Sync clipboard between OS and Neovim.
vim.opt.clipboard = "unnamedplus"

-- Enable break indent
vim.opt.breakindent = true

-- Save undo history
vim.opt.undofile = true

-- Case-insensitive searching UNLESS \C or capital in search
vim.opt.ignorecase = true
vim.opt.smartcase = true

-- Keep signcolumn on by default
vim.opt.signcolumn = "yes"

-- Decrease update time
vim.opt.updatetime = 250
vim.opt.timeoutlen = 300

-- Configure how new splits should be opened
vim.opt.splitright = true
vim.opt.splitbelow = true

-- Sets how neovim will display certain whitespace in the editor.
--  See :help 'list'
--  and :help 'listchars'
vim.opt.list = true
vim.opt.listchars = { tab = "» ", trail = "·", eol = "↵" }

-- Preview substitutions live, as you type!
vim.opt.inccommand = "split"

-- Show which line your cursor is on
vim.opt.cursorline = true

-- Minimal number of screen lines to keep above and below the cursor.
vim.opt.scrolloff = 10

-- [[ Basic Keymaps ]]
--  See `:help vim.keymap.set()`

-- Remap <C-u> to <C-u>zz
vim.keymap.set("n", "<C-u>", "<C-u>zz", { silent = true })

-- Remap <C-d> to <C-d>zz
vim.keymap.set("n", "<C-d>", "<C-d>zz", { silent = true })

-- Set highlight on search, but clear on pressing <Esc> in normal mode
vim.opt.hlsearch = true
vim.keymap.set("n", "<Esc>", "<cmd>nohlsearch<CR>")

-- Diagnostic keymaps
vim.keymap.set("n", "[d", vim.diagnostic.goto_prev, { desc = "Go to previous [D]iagnostic message" })
vim.keymap.set("n", "]d", vim.diagnostic.goto_next, { desc = "Go to next [D]iagnostic message" })
vim.keymap.set("n", "<leader>e", vim.diagnostic.open_float, { desc = "Show diagnostic [E]rror messages" })
vim.keymap.set("n", "<leader>q", vim.diagnostic.setloclist, { desc = "Open diagnostic [Q]uickfix list" })

vim.keymap.set("n", "<C-h>", "<C-w><C-h>", { desc = "Move focus to the left window" })
vim.keymap.set("n", "<C-l>", "<C-w><C-l>", { desc = "Move focus to the right window" })
vim.keymap.set("n", "<C-j>", "<C-w><C-j>", { desc = "Move focus to the lower window" })
vim.keymap.set("n", "<C-k>", "<C-w><C-k>", { desc = "Move focus to the upper window" })

-- [[ Basic Autocommands ]]
--  See :help lua-guide-autocommands

-- Highlight when yanking (copying) text
--  Try it with `yap` in normal mode
--  See `:help vim.highlight.on_yank()`
vim.api.nvim_create_autocmd("TextYankPost", {
	desc = "Highlight when yanking (copying) text",
	group = vim.api.nvim_create_augroup("kickstart-highlight-yank", { clear = true }),
	callback = function()
		vim.highlight.on_yank()
	end,
})

-- [[ Install `lazy.nvim` plugin manager ]]
--    See `:help lazy.nvim.txt` or https://github.com/folke/lazy.nvim for more info
local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
if not vim.loop.fs_stat(lazypath) then
	local lazyrepo = "https://github.com/folke/lazy.nvim.git"
	vim.fn.system({ "git", "clone", "--filter=blob:none", "--branch=stable", lazyrepo, lazypath })
end ---@diagnostic disable-next-line: undefined-field
vim.opt.rtp:prepend(lazypath)

-- [[ Configure and install plugins ]]
--  You can press `?` in this menu for help. Use `:q` to close the window
--  To update plugins, you can run
--    :Lazy update
require("lazy").setup({

	"tpope/vim-sleuth", -- Detect tabstop and shiftwidth automatically
	"tmsvg/pear-tree",
	"tjdevries/cyclist.vim",
	"tjdevries/colorbuddy.vim",
	"tjdevries/gruvbuddy.nvim",

	-- "gc" to comment visual regions/lines
	{ "numToStr/Comment.nvim", opts = {} },

	-- See `:help gitsigns` to understand what the configuration keys do
	{ -- Adds git related signs to the gutter, as well as utilities for managing changes
		"lewis6991/gitsigns.nvim",
		opts = {
			signs = {
				add = { text = "+" },
				change = { text = "~" },
				delete = { text = "_" },
				topdelete = { text = "‾" },
				changedelete = { text = "~" },
			},
		},
	},

	{ -- Useful plugin to show you pending keybinds.
		"folke/which-key.nvim",
		event = "VeryLazy", -- Sets the loading event to 'VeryLazy'
		config = function() -- This is the function that runs, AFTER loading
			require("which-key").setup({})

			-- Document existing key chains
			require("which-key").register({
				["<leader>c"] = { name = "[C]ode", _ = "which_key_ignore" },
				["<leader>d"] = { name = "[D]ocument", _ = "which_key_ignore" },
				["<leader>r"] = { name = "[R]ename", _ = "which_key_ignore" },
				["<leader>s"] = { name = "[S]earch", _ = "which_key_ignore" },
				["<leader>w"] = { name = "[W]orkspace", _ = "which_key_ignore" },
			})
		end,
	},

	{ -- Fuzzy Finder (files, lsp, etc)
		"nvim-telescope/telescope.nvim",
		event = "VeryLazy",
		branch = "0.1.x",
		dependencies = {
			"nvim-lua/plenary.nvim",
			{ -- If encountering errors, see telescope-fzf-native README for install instructions
				"nvim-telescope/telescope-fzf-native.nvim",

				-- `build` is used to run some command when the plugin is installed/updated.
				-- This is only run then, not every time Neovim starts up.
				build = "make",

				-- `cond` is a condition used to determine whether this plugin should be
				-- installed and loaded.
				cond = function()
					return vim.fn.executable("make") == 1
				end,
			},
			{ "nvim-telescope/telescope-ui-select.nvim" },
		},
		config = function()
			-- [[ Configure Telescope ]]
			-- See `:help telescope` and `:help telescope.setup()`
			require("telescope").setup({
				-- You can put your default mappings / updates / etc. in here
				--  All the info you're looking for is in `:help telescope.setup()`
				--
				-- defaults = {
				--   mappings = {
				--     i = { ['<c-enter>'] = 'to_fuzzy_refine' },
				--   },
				-- },
				-- pickers = {}
				extensions = {
					["ui-select"] = {
						require("telescope.themes").get_dropdown(),
					},
				},
			})

			-- Enable telescope extensions, if they are installed
			pcall(require("telescope").load_extension, "fzf")
			pcall(require("telescope").load_extension, "ui-select")

			-- See `:help telescope.builtin`
			local builtin = require("telescope.builtin")
			vim.keymap.set("n", "<leader>sh", builtin.help_tags, { desc = "[S]earch [H]elp" })
			vim.keymap.set("n", "<leader>sk", builtin.keymaps, { desc = "[S]earch [K]eymaps" })
			vim.keymap.set("n", "<leader>ff", builtin.find_files, { desc = "[S]earch [F]iles" })
			vim.keymap.set("n", "<leader>ss", builtin.builtin, { desc = "[S]earch [S]elect Telescope" })
			vim.keymap.set("n", "<leader>sw", builtin.grep_string, { desc = "[S]earch current [W]ord" })
			vim.keymap.set("n", "<leader>sg", builtin.live_grep, { desc = "[S]earch by [G]rep" })
			vim.keymap.set("n", "<leader>sd", builtin.diagnostics, { desc = "[S]earch [D]iagnostics" })
			vim.keymap.set("n", "<leader>sr", builtin.resume, { desc = "[S]earch [R]esume" })
			vim.keymap.set("n", "<leader>s.", builtin.oldfiles, { desc = '[S]earch Recent Files ("." for repeat)' })
			vim.keymap.set("n", "<leader><leader>", builtin.buffers, { desc = "[ ] Find existing buffers" })

			-- Slightly advanced example of overriding default behavior and theme
			vim.keymap.set("n", "<leader>/", function()
				-- You can pass additional configuration to telescope to change theme, layout, etc.
				builtin.current_buffer_fuzzy_find(require("telescope.themes").get_dropdown({
					winblend = 10,
					previewer = false,
				}))
			end, { desc = "[/] Fuzzily search in current buffer" })

			-- Also possible to pass additional configuration options.
			--  See `:help telescope.builtin.live_grep()` for information about particular keys
			vim.keymap.set("n", "<leader>s/", function()
				builtin.live_grep({
					grep_open_files = true,
					prompt_title = "Live Grep in Open Files",
				})
			end, { desc = "[S]earch [/] in Open Files" })

			-- Shortcut for searching your neovim configuration files
			vim.keymap.set("n", "<leader>sn", function()
				builtin.find_files({ cwd = vim.fn.stdpath("config") })
			end, { desc = "[S]earch [N]eovim files" })
		end,
	},

	{ -- LSP Configuration & Plugins
		"neovim/nvim-lspconfig",
		dependencies = {
			-- Automatically install LSPs and related tools to stdpath for neovim
			"williamboman/mason.nvim",
			"williamboman/mason-lspconfig.nvim",
			"WhoIsSethDaniel/mason-tool-installer.nvim",

			-- Useful status updates for LSP.
			{ "j-hui/fidget.nvim", opts = {} },
		},
		config = function()
			vim.api.nvim_create_autocmd("LspAttach", {
				group = vim.api.nvim_create_augroup("kickstart-lsp-attach", { clear = true }),
				callback = function(event)
					local map = function(keys, func, desc)
						vim.keymap.set("n", keys, func, { buffer = event.buf, desc = "LSP: " .. desc })
					end

					map("gd", require("telescope.builtin").lsp_definitions, "[G]oto [D]efinition")

					-- Find references for the word under your cursor.
					map("gr", require("telescope.builtin").lsp_references, "[G]oto [R]eferences")

					-- Jump to the implementation of the word under your cursor.
					--  Useful when your language has ways of declaring types without an actual implementation.
					map("gI", require("telescope.builtin").lsp_implementations, "[G]oto [I]mplementation")

					-- Jump to the type of the word under your cursor.
					map("<leader>D", require("telescope.builtin").lsp_type_definitions, "Type [D]efinition")

					-- Fuzzy find all the symbols in your current document.
					--  Symbols are things like variables, functions, types, etc.
					map("<leader>ds", require("telescope.builtin").lsp_document_symbols, "[D]ocument [S]ymbols")

					-- Fuzzy find all the symbols in your current workspace
					--  Similar to document symbols, except searches over your whole project.
					map(
						"<leader>ws",
						require("telescope.builtin").lsp_dynamic_workspace_symbols,
						"[W]orkspace [S]ymbols"
					)

					-- Rename the variable under your cursor
					--  Most Language Servers support renaming across files, etc.
					map("<leader>rn", vim.lsp.buf.rename, "[R]e[n]ame")

					-- Execute a code action, usually your cursor needs to be on top of an error
					-- or a suggestion from your LSP for this to activate.
					map("<leader>ca", vim.lsp.buf.code_action, "[C]ode [A]ction")

					-- Opens a popup that displays documentation about the word under your cursor
					--  See `:help K` for why this keymap
					map("K", vim.lsp.buf.hover, "Hover Documentation")

					map("gD", vim.lsp.buf.declaration, "[G]oto [D]eclaration")

					-- The following two autocommands are used to highlight references of the
					-- word under your cursor when your cursor rests there for a little while.
					--    See `:help CursorHold` for information about when this is executed
					--
					-- When you move your cursor, the highlights will be cleared (the second autocommand).
					local client = vim.lsp.get_client_by_id(event.data.client_id)
					if client and client.server_capabilities.documentHighlightProvider then
						vim.api.nvim_create_autocmd({ "CursorHold", "CursorHoldI" }, {
							buffer = event.buf,
							callback = vim.lsp.buf.document_highlight,
						})

						vim.api.nvim_create_autocmd({ "CursorMoved", "CursorMovedI" }, {
							buffer = event.buf,
							callback = vim.lsp.buf.clear_references,
						})
					end
				end,
			})

			-- LSP servers and clients are able to communicate to each other what features they support.
			--  By default, Neovim doesn't support everything that is in the LSP Specification.
			--  When you add nvim-cmp, luasnip, etc. Neovim now has *more* capabilities.
			--  So, we create new capabilities with nvim cmp, and then broadcast that to the servers.
			local capabilities = vim.lsp.protocol.make_client_capabilities()
			capabilities = vim.tbl_deep_extend("force", capabilities, require("cmp_nvim_lsp").default_capabilities())

			local servers = {
				clangd = {},
				gopls = {},
				pyright = {},
				rust_analyzer = {},
				tsserver = {},

				lua_ls = {
					-- cmd = {...},
					-- filetypes { ...},
					-- capabilities = {},
					settings = {
						Lua = {
							runtime = { version = "LuaJIT" },
							workspace = {
								checkThirdParty = false,
								-- Tells lua_ls where to find all the Lua files that you have loaded
								-- for your neovim configuration.
								library = {
									"${3rd}/luv/library",
									unpack(vim.api.nvim_get_runtime_file("", true)),
								},
							},
							-- You can toggle below to ignore Lua_LS's noisy `missing-fields` warnings
							-- diagnostics = { disable = { 'missing-fields' } },
						},
					},
				},
			}
			--  To check the current status of installed tools and/or manually install
			--  other tools, you can run
			--    :Mason
			--
			--  You can press `g?` for help in this menu
			require("mason").setup()

			-- You can add other tools here that you want Mason to install
			-- for you, so that they are available from within Neovim.
			local ensure_installed = vim.tbl_keys(servers or {})
			vim.list_extend(ensure_installed, {
				"stylua", -- Used to format lua code
			})
			require("mason-tool-installer").setup({ ensure_installed = ensure_installed })

			require("mason-lspconfig").setup({
				handlers = {
					function(server_name)
						local server = servers[server_name] or {}
						require("lspconfig")[server_name].setup({
							cmd = server.cmd,
							settings = server.settings,
							filetypes = server.filetypes,
							-- This handles overriding only values explicitly passed
							-- by the server configuration above. Useful when disabling
							-- certain features of an LSP (for example, turning off formatting for tsserver)
							capabilities = vim.tbl_deep_extend("force", {}, capabilities, server.capabilities or {}),
						})
					end,
				},
			})
		end,
	},

	{ -- Autoformat
		"stevearc/conform.nvim",
		opts = {
			notify_on_error = false,
			format_on_save = {
				timeout_ms = 500,
				lsp_fallback = true,
			},
			formatters_by_ft = {
				lua = { "stylua" },
				-- Conform can also run multiple formatters sequentially
				go = { "gopls", "gofumpt" },
				c = { "clang-format" },
				javascript = { "prettier" },
				rust = { "rust_analyzer", "rustfmt" },
			},
		},
	},

	{ -- Autocompletion
		"hrsh7th/nvim-cmp",
		event = "InsertEnter",
		dependencies = {
			-- Snippet Engine & its associated nvim-cmp source
			{
				"L3MON4D3/LuaSnip",
				build = (function()
					if vim.fn.has("win32") == 1 or vim.fn.executable("make") == 0 then
						return
					end
					return "make install_jsregexp"
				end)(),
			},
			"saadparwaiz1/cmp_luasnip",

			-- Adds other completion capabilities.
			--  nvim-cmp does not ship with all sources by default. They are split
			--  into multiple repos for maintenance purposes.
			"hrsh7th/cmp-nvim-lsp",
			"hrsh7th/cmp-path",
		},
		config = function()
			-- See `:help cmp`
			local cmp = require("cmp")
			local luasnip = require("luasnip")
			luasnip.config.setup({})

			cmp.setup({
				snippet = {
					expand = function(args)
						luasnip.lsp_expand(args.body)
					end,
				},
				completion = { completeopt = "menu,menuone,noinsert" },

				-- For an understanding of why these mappings were
				-- chosen, you will need to read `:help ins-completion`
				mapping = cmp.mapping.preset.insert({
					-- Select the [n]ext item
					["<C-n>"] = cmp.mapping.select_next_item(),
					-- Select the [p]revious item
					["<C-p>"] = cmp.mapping.select_prev_item(),
					-- Accept ([y]es) the completion.
					--  This will auto-import if your LSP supports it.
					--  This will expand snippets if the LSP sent a snippet.
					-- ["<C-y>"] = cmp.mapping.confirm({ select = true }),
					["<CR>"] = cmp.mapping.confirm({ select = true }),

					-- Manually trigger a completion from nvim-cmp.
					["<C-Space>"] = cmp.mapping.complete({}),

					-- <c-l> will move you to the right of each of the expansion locations.
					-- <c-h> is similar, except moving you backwards.
					["<C-l>"] = cmp.mapping(function()
						if luasnip.expand_or_locally_jumpable() then
							luasnip.expand_or_jump()
						end
					end, { "i", "s" }),
					["<C-h>"] = cmp.mapping(function()
						if luasnip.locally_jumpable(-1) then
							luasnip.jump(-1)
						end
					end, { "i", "s" }),
				}),
				sources = {
					{ name = "nvim_lsp" },
					{ name = "luasnip" },
					{ name = "path" },
				},
			})
		end,
	},
	-- { -- You can easily change to a different colorscheme.
	-- 	"EdenEast/nightfox.nvim",
	-- 	lazy = false, -- make sure we load this during startup if it is your main colorscheme
	-- 	priority = 1000, -- make sure to load this before all the other start plugins
	-- 	config = function()
	-- 		require("nightfox").setup({
	-- 			palettes = {
	-- 				nightfox = {
	-- 					bg1 = "#080808",
	-- 				},
	-- 			},
	-- 		})
	-- 		vim.cmd("colorscheme nightfox")
	-- 	end,
	-- },

	{ -- You can easily change to a different colorscheme.
		"mikesmithgh/gruvsquirrel.nvim",
		lazy = false, -- make sure we load this during startup if it is your main colorscheme
		priority = 1000, -- make sure to load this before all the other start plugins
		config = function()
			require("gruvsquirrel").setup({})
			vim.cmd("colorscheme gruvsquirrel")
		end,
	},
	{ "folke/todo-comments.nvim", dependencies = { "nvim-lua/plenary.nvim" }, opts = { signs = false } },

	{ -- Collection of various small independent plugins/modules
		"echasnovski/mini.nvim",
		config = function()
			-- Better Around/Inside textobjects
			--
			-- Examples:
			--  - va)  - [V]isually select [A]round [)]parenthen
			--  - yinq - [Y]ank [I]nside [N]ext [']quote
			--  - ci'  - [C]hange [I]nside [']quote
			require("mini.ai").setup({ n_lines = 500 })

			-- Add/delete/replace surroundings (brackets, quotes, etc.)
			--
			-- - saiw) - [S]urround [A]dd [I]nner [W]ord [)]Paren
			-- - sd'   - [S]urround [D]elete [']quotes
			-- - sr)'  - [S]urround [R]eplace [)] [']
			require("mini.surround").setup()

			-- Simple and easy statusline.
			--  You could remove this setup call if you don't like it,
			--  and try some other statusline plugin
			require("mini.statusline").setup()

			-- ... and there is more!
			--  Check out: https://github.com/echasnovski/mini.nvim
		end,
	},

	{ -- Highlight, edit, and navigate code
		"nvim-treesitter/nvim-treesitter",
		build = ":TSUpdate",
		config = function()
			-- [[ Configure Treesitter ]] See `:help nvim-treesitter`

			---@diagnostic disable-next-line: missing-fields
			require("nvim-treesitter.configs").setup({
				ensure_installed = { "bash", "c", "html", "lua", "markdown", "vim", "vimdoc" },
				-- Autoinstall languages that are not installed
				auto_install = true,
				highlight = { enable = true },
				indent = { enable = true },
			})
		end,
	},
}, {})

-- The line beneath this is called `modeline`. See `:help modeline`
-- vim: ts=2 sts=2 sw=2 et