-- Do fast startup if we can
do
	local ok, _ = pcall(require, 'impatient')
	if not ok then vim.notify('impatient unavailable') end
end

---- Built in settings ----
-- Create a convenient aliases
local o = vim.o
local g = vim.g
local fn = vim.fn
local opt = vim.opt

-- Whether to enable workman remappings
local workman = false

-- Set font
o.guifont = 'Iosevka Term Slab,Iosevka:h10'
if fn.hostname() == 'tappy' then
	g.neovide_refresh_rate = 144
end

opt.guicursor:append('a:blinkon1000')  -- Blink cursor once a second for all modes
o.mouse = 'a'                 -- Enable mouse input
o.termguicolors = true        -- Enable 24bit terminal colors
g.neovide_confirm_quit = 1    -- Confirm closing neovide window when changes are unsaved

-- Other interface settings
o.clipboard = 'unnamedplus'   -- Use system clipboard by default
o.hidden = true               -- Allow buffers to not be attached to a window
o.linebreak = true            -- Enable word-wrapping at the end of visual lines
o.breakindent = true          -- preserve indentention on lines continuing from a wrap
o.hlsearch = true             -- Highlight search results
o.scrolloff = 5               -- Margin between cursor and screen top/bottom
o.showmatch = true            -- Highlight matching brackets
o.splitright = true           -- Open new windows below
o.splitbelow = true           -- Open new windows to the right
o.title = true                -- Set title of terminal window
o.updatetime = 300            -- Write swap file every 300 ms (supposedly reduces delays)
o.foldlevel = 99              -- Keep all folds open
o.foldlevelstart = 99
o.conceallevel = 2            -- Hide concealed text, use replacement if defined
opt.listchars = {             -- Symbols for whitespace chars when 'list' is enabled
	tab = '🭰 ',
	trail = '-',
	nbsp = '+'
}
opt.fillchars = {             -- Characters to fill certain types of empty space with
	diff = ' ',
	fold = ' ',
}

o.tabstop = 4                -- A physical tab is 4 characters wide
o.shiftwidth = 4             -- A unit of indentention is 4 levels wide
o.wrapmargin = 0             -- Disable hard line wrapping
o.textwidth = 0              -- Comments lines should wrap at 100 chars
o.laststatus = 3
-- Set <Leader> key
g.mapleader = ' '
vim.cmd 'filetype plugin indent on'

-- Enable persistent undo
if fn.has('persistent_undo') then
	o.undodir = fn.expand('~/.local/share/nvim/undo')
	o.undofile = true
end

-- Use rg as grep program
if fn.executable('rg') then
	o.grepprg = 'rg --vimgrep --smart-case --hidden'
	o.grepformat = '%f:%l:%c:%m'
end

if vim.fn.executable('darkman') then
	local mode = vim.trim(vim.fn.system('darkman get'))
	if mode == 'dark' or mode == 'light' then
		vim.o.background = mode
	end
end

local zoom_notification = nil

--- "Zoom" by changing gui font size
--- @param delta integer
local function zoom(delta)
	local size = fn.substitute(o.guifont, [[^.*:h\([^:]*\).*$]], [[\1]], '')
	size = size + delta
	local guifont = fn.substitute(o.guifont, [[:h\([^:]*\)]], ':h' .. size, '')
	o.guifont = guifont
	local properties = {
		title = 'Font size',
		hide_from_history = true,
	}
	if zoom_notification ~= nil then
		properties.replace = zoom_notification.id
	end
	zoom_notification = vim.notify('Changing font size to ' .. size, vim.log.levels.INFO, properties)
end

local function zoom_in()
	zoom(1)
end

local function zoom_out()
	zoom(-1)
end

-- Convenience keybindings
do
	-- which-key might not be available yet
	local ok, which_key = pcall(require, 'which-key')
	if ok then
		which_key.register { ['<C-w>!'] = {'<Cmd>copen<CR>', 'Quickfix window'} }
		which_key.register { ['<F2>'] = {'<Cmd>set number! relativenumber!<CR>', 'Toggle relative numbers'} }
		which_key.register { ['<F3>'] = {'<Cmd>set number!<CR>', 'Toggle line numbers'} }

		which_key.register { ['<A-h>'] = {'<C-w>h', 'Go to the left window'} }
		which_key.register { ['<A-l>'] = {'<C-w>l', 'Go to the right window'} }
		which_key.register { ['<A-n>'] = {'<C-w>n', 'Go to the up window'} }
		which_key.register { ['<A-e>'] = {'<C-w>e', 'Go to the down window'} }

		which_key.register { ['<C-l>'] = {function ()
			local ok, notify = pcall(require, 'notify')
			if ok then
				notify.dismiss{}
			end
			vim.lsp.buf.clear_references()
			vim.cmd('nohlsearch|diffupdate|normal! <C-l>')
		end, 'Clear'} }

		which_key.register { ['+'] = {zoom_in, "Zoom in"} }
		which_key.register { ['-'] = {zoom_out, "Zoom out"} }

		if workman then
			which_key.register { j = {'n', 'Next search match'} }
			which_key.register { k = {'e', 'End of word'} }
			which_key.register { n = {'gj', 'Down'} }
			which_key.register { e = {'gk', 'Up'} }
		else
			which_key.register { j = {'gj', 'Down'} }
			which_key.register { k = {'gk', 'Up'} }
		end
	end
end
vim.cmd [[
tnoremap <S-Esc> <C-\><C-n>'
]]

-- Commands
vim.cmd [[
command! Light set background=light
command! Dark set background=dark
]]

-- Autocommands
local augroup = vim.api.nvim_create_augroup('luarc', {clear = true})
local au = function(autocmd, opts)
	opts.group = augroup
	vim.api.nvim_create_autocmd(autocmd, opts)
end
au('User', {
	pattern = 'StartifyReady',
	callback = function()
		if workman then
			vim.keymap.set('', 'n', 'gj', {silent = true, buffer = true})
			vim.keymap.set('', 'e', 'gk', {silent = true, buffer = true})
		end
	end
})
au('BufWritePost', {
	pattern = '*/.config/nvim/init.lua',
	command = 'source <afile> | PackerCompile',
	desc = 'Reload config when it is saved, and compile packer cache',
})
au('TextYankPost', {
	callback = vim.highlight.on_yank,
	desc = 'Highlight when text is yanked',
})
au('BufReadPost', {
	callback = function()
		local mark = vim.api.nvim_buf_get_mark(0, '"')
		local lcount = vim.api.nvim_buf_line_count(0)
		if mark[1] > 0 and mark[1] <= lcount then
			pcall(vim.api.nvim_win_set_cursor, 0, mark)
		end
	end,
	desc = 'Remember cursor position across restarts'
})

-- Diagnostics
vim.diagnostic.config {
	-- Configure underlining diagnostics
	underline = {
		-- Only underline warnings and up
		severity = { min = vim.diagnostic.severity.WARN }
	}
}

-- netrw
-- Set special URL handler
g.netrw_browsex_viewer = 'xdg-open'

---- Plugins ----
-- Automatically download packer if not installed
local packer_path = fn.stdpath('data') .. '/site/pack/packer/start/packer.nvim'
local packer_bootstrap = nil
if fn.empty(fn.glob(packer_path)) > 0 then
	if fn.executable('git') ~= 1 then
		vim.notify('You must install git to manage plugins')
		return
	end
	vim.notify('Downloading plugin manager with git')
	packer_bootstrap = fn.system({'git', 'clone', '--depth', '1', 'https://github.com/wbthomason/packer.nvim', packer_path})
end

require'packer'.startup(function(use)
	use 'wbthomason/packer.nvim'
	-- Themes --
	use {'arcticicestudio/nord-vim', branch = 'main'}
	use 'chriskempson/base16-vim'
	use {'folke/tokyonight.nvim', config = function()
		require'tokyonight'.setup {
			style = 'night'
		}
	end}
	use {'catppuccin/nvim', as = 'catppuccin', config = function ()
		vim.g.catppuccin_flavour = 'latte'
		require'catppuccin'.setup {
			integrations = {
				barbar = true,
				nvimtree = {
					enabled = true,
					show_root = true,
				}
			}
		}
	end}
	use {'navarasu/onedark.nvim', config = function()
		require'onedark'.setup {}
	end}

	-- Filetype plugins --
	use 'rhysd/vim-crystal'
	use 'editorconfig/editorconfig-vim'
	use 'bakpakin/fennel.vim'
	use 'mboughaba/i3config.vim'
	use 'plasticboy/vim-markdown'
	use 'mracos/mermaid.vim'
	use 'ajouellette/sway-vim-syntax'
	use 'cespare/vim-toml'
	use 'rust-lang/rust.vim'

	-- Editing --
	use 'jiangmiao/auto-pairs'
	use 'ojroques/nvim-bufdel'
	--use 'yuttie/comfortable-motion.vim'
	use {'jbyuki/instant.nvim', config = function ()
		vim.g.instant_username = 'agraven'
	end}
	use {'mizlan/iswap.nvim', config = function()
		require'iswap'.setup{}
		require'which-key'.register{['<Leader>s'] = {'<Cmd>ISwapWith<CR>','Swap'}}
	end}
	use 'bfredl/nvim-luadev' -- lua scratchpad
	use {'windwp/nvim-projectconfig', config = function ()
		require'nvim-projectconfig'.setup {
			-- Load project configuration when changing directory
			autocmd = true,
		}
	end}
	use 'tpope/vim-repeat'
	use 'tpope/vim-sleuth'
	-- spellsitter: syntax aware spellchecking
	use {'lewis6991/spellsitter.nvim', config = function() require'spellsitter'.setup() end}
	use 'tpope/vim-surround'
	use {'vim-test/vim-test', config = function ()
		vim.g['test#neovim#term_position'] = 'vert'
		vim.g['test#strategy'] = 'neovim'
	end}
	use {'julian/vim-textobj-variable-segment', requires = {'kana/vim-textobj-user'}, branch = 'main'}
	use {'nvim-treesitter/nvim-treesitter', run = ':TSUpdate'}
	use 'windwp/nvim-ts-autotag'
	use 'hrsh7th/vim-vsnip'

	-- LSP --
	use 'neovim/nvim-lspconfig'
	use 'hrsh7th/nvim-cmp'
	use 'hrsh7th/cmp-nvim-lsp'
	use 'hrsh7th/cmp-buffer'
	use 'hrsh7th/cmp-path'
	use 'hrsh7th/cmp-cmdline'
	use 'simrat39/rust-tools.nvim'
	use {'jose-elias-alvarez/null-ls.nvim', requires = {'nvim-lua/plenary.nvim'}, config = function ()
		local null_ls = require'null-ls'
		null_ls.setup {
			sources = {
				null_ls.builtins.code_actions.shellcheck,
				null_ls.builtins.diagnostics.shellcheck,
			}
		}
	end}
	use 'SmiteshP/nvim-navic'
	use {'utilyre/barbecue.nvim', config = function ()
		require'barbecue'.setup()
	end}

	-- UI elements --
	use 'vim-airline/vim-airline'
	use 'vim-airline/vim-airline-themes'
	use 'romgrk/barbar.nvim'
	use {'MattesGroeger/vim-bookmarks', config = function()
		vim.g.bookmark_no_default_key_mappings = 1
		vim.g.bookmark_save_per_working_dir = 1
	end}
	use {'mfussenegger/nvim-dap', config = function()
		local dap = require'dap'
		vim.fn.sign_define('DapBreakpoint', {text='⯃', texthl='DiagnosticError'})
		dap.adapters.codelldb = {
			type = 'server',
			port = '${port}',
			executable = {
				command = vim.fn.stdpath('data') .. '/mason/packages/codelldb/extension/adapter/codelldb',
				args = {'--port', '${port}'},
			},
		}
		dap.configurations.cpp = {
			{
				name = 'Launch file',
				type = 'codelldb',
				request = 'launch',
				program = function()
					return vim.fn.input('Path to executable: ', vim.fn.getcwd() .. '/', 'file')
				end,
				cwd = '${workspaceFolder}',
				stopOnEntry = true,
			},
		}
		dap.configurations.rust = dap.configurations.cpp
		dap.configurations.c = dap.configurations.c
		local function conditional_breakpoint()
			vim.ui.input({prompt = 'Breakpoint condition'}, function(condition)
				if not condition then return end
				dap.toggle_breakpoint(condition)
			end)
		end
		require'which-key'.register {
			['<Leader>d'] = {
				name = 'Debug',
				c = {dap.continue, 'Continue/start'},
				s = {dap.terminate, 'Stop'},
				b = {dap.toggle_breakpoint, 'Breakpoint'},
				B = {conditional_breakpoint, 'Conditional breakpoint'},
				o = {dap.step_over, 'Step over'},
				i = {dap.step_into, 'Step into'},
				O = {dap.step_out, 'Step out'},
				r = {dap.step_back, 'Step back'},
				R = {dap.reverse_continue, 'Continue backwards'},
				C = {dap.run_to_cursor, 'Continue to cursor'},
				p = {dap.paise, 'Pause execution'}
			}
		}
	end}
	use {'rcarriga/nvim-dap-ui', config = function()
		local dapui, dap = require'dapui', require'dap'
		dapui.setup()
		dap.listeners.after.event_initialized.dapui_config = function ()
			dapui.open {}
		end
		dap.listeners.before.event_terminated.dapui_config = function ()
			dapui.close {}
		end
		dap.listeners.before.event_exited.dapui_config = function ()
			dapui.close {}
		end
		require'which-key'.register {
			['<Leader>dd'] = {require'dapui'.toggle, 'Toggle'}
		}
	end}
	use {'theHamsta/nvim-dap-virtual-text', config = function()
		require'nvim-dap-virtual-text'.setup{}
	end}
	use {'mxsdev/nvim-dap-vscode-js', requires = {'mfussenegger/nvim-dap'}, config = function()
		require'dap-vscode-js'.setup {
			adapters = {'pwa-node', 'node-terminal'},
		}
		for _, language in ipairs({'javascript', 'typescript'}) do
			require'dap'.configurations[language] = {
				{
					type = 'pwa-node',
					request = 'launch',
					name = 'Launch current file',
					program = '${file}',
					cwd = '${workspaceFolder}',
				},
				{
					type = 'pwa-node',
					request = 'launch',
					name = 'Launch file',
					program = function()
						return vim.fn.input('Path to file: ', vim.fn.getcwd() .. '/', 'file')
					end,
					cwd = '${workspaceFolder}',
				},
				{
					type = 'pwa-node',
					request = 'attach',
					name = 'Attach',
					processId = require'dap.utils'.pick_process,
					cwd = '${workspaceFolder}',
				},
				{
					type = 'pwa-node',
					request = 'launch',
					name = 'Debug Mocha Tests',
					-- trace = true, -- include debugger info
					runtimeExecutable = 'node',
					runtimeArgs = {
						'./node_modules/mocha/bin/mocha',
					},
					rootPath = '${workspaceFolder}',
					cwd = '${workspaceFolder}',
					console = 'integratedTerminal',
					internalConsoleOptions = 'neverOpen',
				}
			}
		end
	end}
	use {
		'microsoft/vscode-js-debug',
		opt = true,
		run = 'npm install --legacy-peer-deps && npm run compile'
	}
	use {'sindrets/diffview.nvim', config = function()
		require'diffview'.setup {
			-- Use nicer highlighting for diffs
			enhanced_diff_hl = true,
		}
	end}
	use {'stevearc/dressing.nvim', config = function()
		vim.cmd'highlight link FloatTitle TelescopeBorder'
		require'dressing'.setup {
			input = {
				win_options = {
					-- Reuse telescope's highlights for windows made by dressing
					winhighlight = 'NormalFloat:TelescopeNormal,FloatBorder:TelescopeBorder'
				}
			},
			select = {
				enabled = false,
				telescope = require'telescope.themes'.get_cursor()
			},
		}
	end}
	use 'j-hui/fidget.nvim'
	use 'tpope/vim-fugitive'
	use 'tpope/vim-rhubarb'
	use 'shumphrey/fugitive-gitlab.vim'
	use 'lewis6991/gitsigns.nvim'
	use 'junegunn/goyo.vim'
	use 'kosayoda/nvim-lightbulb'
	use {'https://git.sr.ht/~whynothugo/lsp_lines.nvim', config = function()
		require'lsp_lines'.setup()
		vim.diagnostic.config {
			virtual_text = {
				severity = { min = vim.diagnostic.severity.WARN },
			},
			virtual_lines = {
				only_current_line = true,
			}
		}
	end}
	use {'williamboman/mason.nvim', config = function()
		require'mason'.setup()
	end}
	use {'williamboman/mason-lspconfig.nvim', config = function()
		require'mason-lspconfig'.setup {
			automatic_installation = true,
		}
	end}
	use {'rcarriga/nvim-notify', after = 'telescope.nvim', config = function ()
		require'notify'.setup {
			stages = 'fade'
		}
		vim.notify = require'notify'
		require'telescope'.load_extension('notify')
	end}
	use {'luukvbaal/stabilize.nvim', config = function()
		require'stabilize'.setup()
	end}
	use 'mhinz/vim-startify'
	use {'nvim-telescope/telescope.nvim', after = 'which-key.nvim', config = function()
		require'telescope'.setup {
			defaults = {
				sorting_strategy = 'ascending',
				mappings = {
					n = {
						n = 'move_selection_next',
						e = 'move_selection_previous',
					},
					i = {
						['<C-h>'] = 'which_key',
					},
				},
			},
			extensions = {
				fzf = {
					override_generic_sorter = true,
					override_file_sorter = true,
				},
				file_browser = {
					hijack_netrw = false,
					respect_gitignore = false,
				},
				project = {
					-- TODO; check if this is right
					full_path = true,
				},
				['ui-select'] = {
					require'telescope.themes'.get_cursor()
				},
			},
		}
		require'which-key'.register {
			["<Leader>f"] = {
				name = 'Telescope',
				["<Space>"] = {'<Cmd>Telescope<CR>', 'List pickers'},
				f = {'<Cmd>Telescope find_files<CR>', 'Files'},
				F = {'<Cmd>Telescope file_browser<CR>', 'File browser'},
				d = {'<Cmd>Telescope find_files find_command=fd,--type,d,-I<CR>', 'Directories'},
				r = {'<Cmd>Telescope oldfiles<CR>', 'Recent files'},
				g = {'<Cmd>Telescope live_grep<CR>', 'Grep'},
				b = {'<Cmd>Telescope buffers<CR>', 'Buffers'},
				e = {'<Cmd>Telescope diagnostics<CR>', 'Diagnostics'},
				h = {'<Cmd>Telescope help_tags<CR>', 'Help page'},
				p = {'<Cmd>Telescope project<CR>', 'Projects'},
				s = {'<Cmd>Telescope lsp_dynamic_workspace_symbols<CR>', 'Symbols'},
				n = {'<Cmd>Telescope notify<CR>', 'Notifications'},
				m = {'<Cmd>Telescope man_pages<CR>', 'Man pages'},
				[':'] = {'<Cmd>Telescope commands<CR>', 'Commands'},
				u = {'<Cmd>Telescope undo<CR>', 'Undo'},
			}
		}
	end}
	use {'nvim-telescope/telescope-fzf-native.nvim', run = 'make', config = function()
		require'telescope'.load_extension('fzf')
	end}
	use {'nvim-telescope/telescope-file-browser.nvim', config = function ()
		require'telescope'.load_extension('file_browser')
	end}
	use {'nvim-telescope/telescope-project.nvim', config = function ()
		require'telescope'.load_extension('project')
	end}
	use {'nvim-telescope/telescope-ui-select.nvim', config = function ()
		require'telescope'.load_extension('ui-select')
	end}
	use {'nvim-telescope/telescope-dap.nvim', after = 'telescope.nvim', config = function()
		require'telescope'.load_extension'dap'
	end}
	use {'debugloop/telescope-undo.nvim', config = function()
		require'telescope'.load_extension('undo')
	end}
	use 'kyazdani42/nvim-tree.lua'
	use 'simrat39/symbols-outline.nvim'
	use {'folke/which-key.nvim', config = function() require'which-key'.setup() end}

	-- Utility and libraries
	use 'nvim-lua/plenary.nvim'
	use 'ryanoasis/vim-devicons'
	use 'kyazdani42/nvim-web-devicons'
	if not vim.fn.has('nvim-0.8') then
		use 'antoinemadec/FixCursorHold.nvim'
	end
	use 'lewis6991/impatient.nvim' -- speeds up load times

	-- Finish bootstrap if we just cloned
	if packer_bootstrap then
		require('packer').sync()
		vim.notify('Bootstrapped plugin manager, you may need to restart neovim')
	end
end)


---- airline ----
-- Permit spaces after tabs but not in between when doing mixed indent checking
-- (mainly for multiline /* */ style comments)
g['airline#extensions#whitespace#mixed_indent_algo'] = 2
-- truncate leading branch paths, i.e. agraven/foo → a/foo
g['airline#extensions#branch#format'] = 2
g['airline#extensions#c_like_langs'] = {'typescript'}
-- Hide encoding section
g['airline#extensions#default#layout'] = {{'a', 'b', 'c'}, {'x', 'z', 'warning', 'error'}}
g.airline_detect_spell = 1                     -- Show if 'spell' is enabled
g.airline_detect_spelllang = 1                 -- Display what language spell is using if enabled
g.airline_inactive_collapse = 1                -- Show only filename in inactive windows
g.airline_highlighting_cache = 1               -- Improves performance
g.airline_theme = 'ayu_mirage'                 -- Airline's theme
g.airline_powerline_fonts = 1                  -- Enable symbols from the powerline font patch

-- This doesn't work in lua for some reason
vim.cmd [[
	if !exists('g:airline_symbols')
		let g:airline_symbols = {}                   " Initialize the table of symbols
	endif
	let g:airline_symbols.linenr = ' '               " Symbol before line number
	let g:airline_symbols.maxlinenr = ''             " Symbol after max line number
	let g:airline_symbols.colnr = ' '                " Symbol before column number
	let g:airline_symbols.dirty = '+'                " Symbol on modified branch
	let g:airline_symbols.notexists = '?'            " Symbol for untracked file
]]


---- autopairs ----
vim.g.AutoPairsMultilineClose = 0


---- barbar ----
require'which-key'.register {
	['<A-,>'] = {'<Cmd>BufferPrevious<CR>', 'Next buffer'},
	['<A-.>'] = {'<Cmd>BufferNext<CR>', 'Previous buffer'},
	['<A-b>'] = {'<Cmd>BufferPick<CR>', 'Pick buffer'},
	['<A-p>'] = {'<Cmd>BufferPin<CR>', 'Pin buffer'},
	['<A-d>'] = {'<Cmd>BufferClose<CR>', 'Delete buffer'},
	['<A-<>'] = {'<Cmd>BufferMovePrevious<CR>', 'Move buffer left'},
	['<A->>'] = {'<Cmd>BufferMoveNext<CR>', 'Move buffer right'},
}


---- devicons ----
require'nvim-web-devicons'.setup { default = true }


---- editorconfig ----
g.EditorConfig_exclude_patterns = {'fugitive://.*'}


---- fidget ----
require'fidget'.setup {}


---- fugitive ----
vim.keymap.set('n', '<Leader>g', '<Cmd>vert Git<CR>', {desc = 'Git status'})
vim.keymap.set('n', '<Leader>G', '<Cmd>tab Git<CR>', {desc = 'Git status (new tab)'})


---- gitsigns ----
require'gitsigns'.setup {
	on_attach = function ()
		local gitsigns = require'gitsigns'
		vim.keymap.set('n', ']h', gitsigns.next_hunk, {desc = 'Next hunk'})
		vim.keymap.set('n', '[h', gitsigns.prev_hunk, {desc = 'Previous hunk'})

		--- Prompt interactively for global comparison base
		local function change_base()
			require'gitsigns.cli'
			vim.ui.input({
				prompt = 'Revision to compare to',
				completion = "customlist,v:lua.require'gitsigns.cli'.complete",
			}, function (revision)
				if not revision then return end
				gitsigns.change_base(revision, true)
			end)
		end

		require'which-key'.register {
			['<Leader>h'] = {
				name = '+gitsigns',
				s = {gitsigns.stage_hunk, 'Stage hunk'},
				S = {gitsigns.stage_buffer, 'Stage buffer'},
				u = {gitsigns.unstage_hunk, 'Unstage hunk'},
				U = {gitsigns.unstage_buffer, 'Unstage buffer'},
				r = {gitsigns.reset_hunk, 'Reset hunk'},
				v = {gitsigns.select_hunk, 'Visual select hunk'},
				d = {gitsigns.toggle_deleted, 'Toggle deleted lines'},
				w = {gitsigns.toggle_word_diff, 'Toggle word diffs'},
				b = {':Gitsigns change_base ', 'Change diff base'},
				B = {gitsigns.reset_base, 'Reset diff base'},
			}
		}
	end
}

---- goyo ----
g.goyo_height = '95%'


---- lightbulb ----
g.lightbulb_cfg = {
	sign = {
		enabled = false,
	},
	virtual_text = {
		enabled = true,
		text = "🛈",
	}
}
--vim.cmd [[
--	highlight link LightBulbVirtualText Comment
--	autocmd CursorHold,CursorHoldI * lua require'nvim-lightbulb'.update_lightbulb(vim.g.lightbulb_cfg)
--]]


---- lsp: cmp ----
local feedkey = function(key, mode)
	vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes(key, true, true, true), mode, true)
end
local cmp = require'cmp'
cmp.setup {
	preselect = cmp.PreselectMode.None,
	snippet = {
		expand = function(args)
			vim.fn['vsnip#anonymous'](args.body)
		end,
	},
	mapping = {
		-- Next item, or expand or jump snippet, or fallback
		['<Tab>'] = cmp.mapping(function(fallback)
			if cmp.visible() then
				cmp.select_next_item()
			elseif vim.fn['vsnip#available'](1) == 1 then
				feedkey('<Plug>(vsnip-expand-or-jump)', '')
			else
				fallback()
			end
		end, {'i', 's'}),
		-- Prev item, or jump snippet back, or fallback
		['<S-Tab>'] = cmp.mapping(function(fallback)
			if cmp.visible() then
				cmp.select_prev_item()
			elseif vim.fn['vsnip#available'](-1) == 1 then
				feedkey('<Plug>(vsnip-jump-prev)', '')
			else
				fallback()
			end
		end, {'i', 's'}),
		-- Complete common substring
		['<C-l>'] = cmp.mapping(cmp.mapping.complete_common_string(), {'i', 'c'}),
		-- Complete
		['<C-Space>'] = cmp.mapping(cmp.mapping.complete{}, {'i', 'c'}),
		-- Confirm
		['<CR>'] = cmp.mapping(cmp.mapping.confirm { select = false }, {'i', 'c'}),
	},
	sources = {
		{ name = 'path' },
		{ name = 'nvim_lsp' },
		{ name = 'vsnip' },
	},
	-- Experimental features
	experimental = {
		-- Show completion result as virtual text
		ghost_text = true,
	},
}
local capabilities = require'cmp_nvim_lsp'.default_capabilities()

---- lsp: language servers ----
--- Performs keymaps and other setup specific to buffers with LSP enabled
--- @param bufnr number
--- @diagnostic disable-next-line: unused-local
local function on_attach(client, bufnr)

	require'which-key'.register({
		g = {
			d = {vim.lsp.buf.definition, 'Goto definition'},
			D = {vim.lsp.buf.implementation, 'Goto implementation'},
			a = {vim.lsp.buf.code_action, 'Code action'},
			R = {vim.lsp.buf.rename, 'Rename'},
			y = {vim.lsp.buf.type_definition, 'Type definition'},
		},
		[']'] = {
			g = {vim.diagnostic.goto_next, 'Next diagnostic'},
			e = {function() vim.diagnostic.goto_next { severity = vim.diagnostic.severity.ERROR } end, 'Next error'},
			w = {function() vim.diagnostic.goto_next { severity = vim.diagnostic.severity.WARN } end, 'Next warning'},
			q = {vim.diagnostic.setqflist, 'Quickfix diagnostics'},
		},
		['['] = {
			g = {vim.diagnostic.goto_prev, 'Previous diagnostic'},
			e = {function() vim.diagnostic.goto_prev { severity = vim.diagnostic.severity.ERROR } end, 'Previous error'},
			w = {function() vim.diagnostic.goto_prev { severity = vim.diagnostic.severity.WARN } end, 'Previous warning'},
		},
		['<C-h>'] = {vim.lsp.buf.document_highlight, 'Highlight object under cursor'},
	}, {buffer = bufnr})
	-- Hover
	require'which-key'.register({
		['K'] = {vim.lsp.buf.hover, 'Documentation'},
		['<C-k>'] = {vim.lsp.buf.signature_help, 'Function signature'},
	}, {buffer = bufnr})
	require'which-key'.register({
		['<M-k'] = {vim.lsp.buf.signature_help, 'Function signature'}
	}, {buffer = bufnr, mode = 'i'})

	vim.bo.tagfunc = 'v:lua.vim.lsp.tagfunc'

	require'nvim-navic'.attach(client, bufnr)

	au('CursorMoved', { callback = vim.lsp.buf.clear_references, buffer = bufnr, })
end

-- Enable language servers
local default = {
	capabilities = capabilities,
	on_attach = on_attach,
}

require'lspconfig'.lua_ls.setup {
	capabilities = capabilities,
	on_attach = on_attach,
	settings = {
		Lua = {
			runtime = {
				version = 'LuaJIT',
			},
			diagnostics = {
				globals = {'vim'},
			},
			workspace = {
				library = vim.api.nvim_get_runtime_file('', true),
				checkThirdParty = false,
			},
			telemetry = {
				enable = false,
			},
		}
	}
}

require'lspconfig'.bashls.setup(default)
require'lspconfig'.clangd.setup(default)
require'lspconfig'.jdtls.setup(default)
require'lspconfig'.nil_ls.setup(default)
require'lspconfig'.pyright.setup(default)
require'lspconfig'.tsserver.setup(default)
require'lspconfig'.vimls.setup(default)

-- Completion menu bahevior
vim.opt.completeopt:append({'menuone', 'noinsert', 'noselect'})


---- markdown ----
g.vim_markdown_folding_disabled = 1
g.vim_markdown_conceal = 1
g.tex_conceal = ""
g.vim_markdown_math = 1


---- rust ----
-- Don't use recommended style (space indent, textwidth=99)
g.rust_recommended_style = 0
-- Format with rustfmt on save
g.rustfmt_autosave = 1
-- rustfmt is >=1.0
g.rustfmt_emit_files = 1
-- Use nigtly rustfmt for unstable settings
g.rustfmt_command = 'rustup run nightly rustfmt'

-- use cargo-lints if available
---- rust-tools ----
require'rust-tools'.setup {
	tools = {
		-- Automatically set inlay hints
		autoSetHints = true,
		-- Don't replace hover handler
		hover_with_actions = false,
		-- Configure inlay hints
		inlay_hints = {
			-- Only show hints for the current line
			only_current_line = true,
			-- AutoCmd to use for updating hints. CursorMove is more responsive but expensive.
			only_current_line_autocmd = 'CursorMoved',
		},
	},
	server = {
		-- Enable standalone file (i.e. no cargo) support
		standalone = true,
		capabilities = capabilities,
		on_attach = on_attach,
		settings = {
			['rust-analyzer'] = {
				cargo = {
					-- Load OUT_DIR when running check on save, needed for proc macros
					loadOutDirsFromCheck = true,
				},
				checkOnSave = true,
				-- Use cargo lints for error checking if available, otherwise fall back to regular clippy
				check = (function()
					if vim.fn.executable('cargo-lints') then
						return {
							overrideCommand = {"cargo", "lints", "clippy", "--workspace", "--message-format=json", "--all-targets"}
						}
					else
						return {
							-- Use clippy for error checking
							command = "clippy",
							-- Also run checks for tests
							allTargets = true,
						}
					end
				end)(),
				diagnostics = {
					-- Disable diagnostics with false positives
					disabled = {'unresolved-import'};
				},
				procMacro = {
					-- Enable proc macro support
					enable = true,
				},
			},
		},
	},
	dap = {
		adapter = require'rust-tools.dap'.get_codelldb_adapter(
			vim.fn.stdpath('data') .. '/mason/packages/codelldb/extension/adapter/codelldb',
			vim.fn.stdpath('data') .. '/mason/packages/codelldb/extension/lldb/lib/liblldb.so'
		)
	},
}


---- startify ----
g.startify_change_to_dir = 0        -- Don't change working directory when opening files
g.startify_change_to_vcs_root = 1   -- Change working dir to version control root
g.startify_fortune_use_unicode = 1  -- Enable unicode box drawing in fortune message
-- Items to show on the startup screen
g.startify_lists = {
	{ type = 'dir',       header = {'   Recently used '.. fn.getcwd()} },
	{ type = 'files',     header = {'   Recently used'} },
	{ type = 'sessions',  header = {'   Sessions'} },
	{ type = 'bookmarks', header = {'   Bookmarks'} },
	{ type = 'commands',  header = {'   Commands'} },
}


---- symbols-outline ----
vim.g.symbols_outline = {
	-- Don't display preview automatically
	auto_preview = false,
	-- Don't highlight the hovered item
	highlight_hovered_item = false,
	-- Width should be in colums, not percent
	relative_width = false,
	-- width of the symbols window
	width = 30,
}
require'which-key'.register({['<Leader>o'] = {'<Cmd>SymbolsOutline<CR>', 'Symbols outline'}})


---- tree ----
require('nvim-tree').setup {
	actions = {
		open_file = {
			window_picker = {
				exclude = {
					filetype = {'Outline'},
				},
			}
		},
	},
	-- Don't disable netrw
	disable_netrw = false,
	-- Show LSP diagnostics in the sign column
	diagnostics = {
		enable = true,
		icons = {
			hint = "",
		},
	},
	git = {
		-- Don't hide .gitignore'd files by default
		ignore = false,
	},
	-- Reload the tree when its window is focused
	reload_on_bufenter = true,
	-- Appeareance settings
	renderer = {
		-- highlight git status (unstaged, staged, clean)
		highlight_git = true,
		-- Highlight open files
		highlight_opened_files = 'name',
		-- Don't hightlight files as spceial
		special_files = {},
		-- Combine nested folders with only one child
		group_empty = true,
		-- Icon settings
		icons = {
			-- Hide git attribute icons
			show = {
				git = false,
				folder = true,
				file = true,
				folder_arrow = true,
			},
			-- Change icons
			glyphs = {
				-- Set a default icon so entries are aligned
				default = '🗋'
			},
		},
	},
	-- Match tree cwd to vim's cwd
	update_cwd = true,
}
vim.cmd'highlight NvimTreeOpenedFile guifg=NONE guibg=NONE gui=italic'
au('ColorScheme', {
	desc = 'Change NvimTreeOpenedFile highlight',
	command = 'highlight NvimTreeOpenedFile guifg=NONE guibg=NONE  gui=italic'
})

vim.keymap.set('n', '<Leader>t', '<Cmd>NvimTreeFindFileToggle<CR>', {desc = 'Nvim Tree'})


---- treesitter ----
require'nvim-treesitter.configs'.setup {
	-- Configure the nvim-ts-autotag plugin
	autotag = {
		enable = true,
	},
	ensure_installed = {'lua', 'html', 'c', 'cpp', 'nix', 'vim', 'rust', 'bash', 'markdown', 'java', 'markdown_inline'},
	highlight = { enable = true, disable = 'rust' },
	incremental_selection = { enable = true },
}

g.nord_italic = 1
g.nord_italicize_comments = 1
g.nord_underline = 1
vim.cmd 'colorscheme tokyonight-night'