-- https://github.com/nanotee/nvim-lua-guide
-- https://github.com/vscode-neovim/vscode-neovim
if not vim.g.vscode then
	vim.opt.completeopt = { "menuone", "noinsert", "noselect" }
	vim.opt.swapfile = false
	vim.opt.title = true
	vim.opt.virtualedit = "block"
	vim.opt.whichwrap = "<,>,[,]"

	-- Line number
	vim.opt.number = true
	vim.opt.relativenumber = true
	vim.opt.scrolloff = 4

	-- Tab
	vim.opt.tabstop = 4
	vim.opt.shiftwidth = 4
	vim.opt.expandtab = true

	-- Wrap
	vim.opt.breakindent = true

	-- Truecolor
	if vim.env.COLORTERM == "truecolor" then
		vim.opt.termguicolors = true
	end

	-- Clipboard support
	vim.opt.clipboard:append({ "unnamedplus" })

	-- Mouse support
	vim.opt.mouse = "a"

	-- GUI support
	vim.opt.guifont = {
		"APL385 Unicode:h18",
		"Agave:h18",
		"Victor Mono:h18",
		"Rec Mono Casual:h18",
		"Cascadia Code:h18",
		"JetBrains Mono:h18",
		"Iosevka:h18",
		"Fira Code:h18",
	}

	-- Workaround
	-- https://github.com/neovim/neovim/issues/16416
	vim.keymap.set("i", "<C-c>", "<Esc>")

	-- Disable showmode when use lualine
	vim.opt.showmode = false

	-- Keymap
	vim.keymap.set("n", "<C-n>", ":NvimTreeToggle<CR>")
	vim.keymap.set("n", "<leader>r", ":NvimTreeRefresh<CR>")
	vim.keymap.set("n", "<leader>n", ":NvimTreeFindFile<CR>")
	vim.keymap.set("n", "<leader>z", ":TZAtaraxis<CR>")
	vim.keymap.set("n", "<leader>f", ":Neoformat<CR>")

	-- Use catppuccin
	vim.g.catppuccin_flavour = "mocha"

	-- Use gofumpt
	vim.g.go_gopls_gofumpt = 1

	-- Use copilot
	vim.g.copilot_filetypes = {
		["*"] = false,
		go = true,
		proto = true,
		yaml = true,
	}

	-- Use fzf
	vim.opt.rtp:append({ "~/.fzf" })

	-- https://github.com/wbthomason/packer.nvim
	require("packer").startup(function()
		-- Manage itself
		use("wbthomason/packer.nvim")

		-- https://github.com/axelf4/vim-strip-trailing-whitespace
		use("axelf4/vim-strip-trailing-whitespace")

		-- https://github.com/nvim-lualine/lualine.nvim
		use({
			"nvim-lualine/lualine.nvim",
			config = function()
				local lualine_theme = require("lualine.themes.iceberg")
				if vim.opt.termguicolors then
					lualine_theme = require("lualine.themes.catppuccin")
				end

				require("lualine").setup({
					options = {
						icons_enabled = false,
						theme = lualine_theme,
						component_separators = { left = "", right = "" },
						section_separators = { left = "", right = "" },
					},
					extensions = { "fzf", "nvim-tree" },
				})
			end,
		})

		-- https://github.com/kyazdani42/nvim-tree.lua
		use({
			"kyazdani42/nvim-tree.lua",
			config = function()
				require("nvim-tree").setup({
					renderer = {
						icons = {
							show = {
								file = false,
								folder = false,
								folder_arrow = false,
								git = false,
							},
						},
					},
					git = {
						enable = true,
						ignore = true,
					},
					filters = {
						custom = { "^\\.git$" },
					},
				})
			end,
		})

		-- https://github.com/lukas-reineke/indent-blankline.nvim
		use({
			"lukas-reineke/indent-blankline.nvim",
			config = function()
				require("indent_blankline").setup()
			end,
		})

		-- https://github.com/junegunn/fzf.vim
		use("junegunn/fzf.vim")

		-- https://github.com/Pocco81/true-zen.nvim
		use({
			"Pocco81/true-zen.nvim",
			config = function()
				require("true-zen").setup()
			end,
		})

		-- Colorschemes
		-- https://github.com/cocopon/iceberg.vim
		use("cocopon/iceberg.vim")

		-- https://github.com/catppuccin/nvim
		use({
			"catppuccin/nvim",
			as = "catppuccin",
			config = function()
				local catppuccin_term_colors = false
				if vim.opt.termguicolors then
					catppuccin_term_colors = true
				end

				require("catppuccin").setup({
					term_colors = catppuccin_term_colors,
					compile = {
						enabled = true,
					},
				})
			end,
		})

		-- Programming languages
		-- https://github.com/sbdchd/neoformat
		use("sbdchd/neoformat")

		-- https://github.com/fatih/vim-go
		use("fatih/vim-go")

		-- https://github.com/github/copilot.vim
		use("github/copilot.vim")
	end)

	if vim.opt.termguicolors then
		vim.cmd([[ colorscheme catppuccin ]])
	else
		vim.cmd([[ colorscheme iceberg ]])
	end
end