nvim/lua/config/mappings.lua

local wk = require("which-key")
local telescope = require("telescope.builtin")
local gitsigns = require("gitsigns")

function FormatBufferLines()
	local lines = vim.api.nvim_buf_get_lines(0, 0, -1, false)
	local formatted_lines = {}

	for _, line in ipairs(lines) do
		if #line <= 80 then
			table.insert(formatted_lines, line)
		else
			local words = {}
			for word in line:gmatch("%S+") do
				table.insert(words, word)
			end

			local current_line = ""
			for _, word in ipairs(words) do
				if #current_line + #word + 1 > 80 then
					table.insert(formatted_lines, current_line)
					current_line = word
				else
					if current_line ~= "" then
						current_line = current_line .. " " .. word
					else
						current_line = word
					end
				end
			end
			if current_line ~= "" then
				table.insert(formatted_lines, current_line)
			end
		end
	end

	vim.api.nvim_buf_set_lines(0, 0, -1, false, formatted_lines)
	print("Buffer formatted: lines wrapped at 80 characters")
end

-- local tree = require "nvim-tree.api"

function FormatBuffer()
	-- Save the current cursor position
	local cursor_position = vim.fn.getpos(".")
	FormatBufferLines();
	-- local command = "fmt"
	-- -- Run the formatter command on the current buffer
	-- vim.cmd(":%! " .. command)
	-- Restore the cursor position
	vim.fn.setpos(".", cursor_position)

	-- local current_file = vim.fn.expand("%:p")
	-- local cmd = string.format("typstyle -i %s", current_file)
	-- vim.fn.jobstart(cmd, {
	-- 	on_exit = function(_, exit_code)
	-- 		if exit_code == 0 then
	-- 			print("TypestStyle completed successfully")
	--        -- vim.cmd('edit!') -- Reload the buffer
	--        vim.fn.setpos(".", cursor_position)
	-- 		else
	-- 			print("TypestStyle failed with exit code: " .. exit_code)
	-- 		end
	-- 	end,
	-- })
end

function ToggleTree(source)
	require("neo-tree.command").execute({
		toggle = true,
		source = source,
		position = "left",
	})
end

wk.add({
	{
		mode = "n",
		-- telescope
		{
			"<leader>ff",
			function()
				telescope.find_files()
			end,
			desc = "Find file",
		},
		{
			"<leader>fg",
			function()
				telescope.live_grep()
			end,
			desc = "Live grep",
		},
		{
			"<leader>fb",
			function()
				telescope.buffers()
			end,
			desc = "List buffers",
		},
		{
			"<leader>fh",
			function()
				telescope.help_tags()
			end,
			desc = "Help",
		},
		{
			"<leader>fs",
			function()
				telescope.lsp_document_symbols()
			end,
			desc = "Find symbols",
		},
		{
			"zz",
			function()
				telescope.spell_suggest()
			end,
			desc = "Suggest spell",
		},
		{
			"zr",
			function()
				vim.lsp.buf.rename()
			end,
			desc = "Rename symbol",
		},

		{
			"<leader>ft",
			function()
				FormatBuffer()
			end,
			desc = "Typst fmt",
		},

		-- Centering cursor
		{ "n", "nzzzv", desc = "Center cursor when n (next) during search" },
		{ "N", "Nzzzv", desc = "Center cursor when n (next) during search" },

		-- tab
		{ "<tab>", ":BufferLineCycleNext <CR>", desc = "Next tab" },
		{ "<S-tab>", ":BufferLineCyclePrev<CR>", desc = "Previous tab" },

		-- Comment
		{ "<leader>/", "gcc", desc = "comment toggle", remap = true },

		-- Format
		{
			"<leader>fm",
			function()
				require("conform").format({ async = true, lsp_fallback = true })
			end,
			desc = "format files",
		},

		-- nvim-tree
		-- { "<C-n>", function() tree.tree.toggle() end, desc = "Toggle file tree" },
		{
			"<C-n>",
			function()
				-- ToggleTree("filesystem")
				-- require("edgy").toggle("left")
				require("edgy-group").open_group_offset("left", 1)
			end,
			desc = "Toggle left panel",
		},

		{
			"<leader>el",
			function()
				require("trouble").open({
					mode = "lsp_document_symbols",
					focus = false,
					win = { position = "right" },
				})
			end,
		},
		{
			"<leader>uh",
			function()
				require("edgy").toggle("left")
			end,
			desc = "left",
		},

		-- Lsp
		{
			"K",
			function()
				vim.lsp.buf.hover()
			end,
			desc = "LSP toggle",
		},
		{
			"<leader>ca",
			function()
				vim.lsp.buf.code_action()
			end,
			desc = "LSP code action",
		},
		{
			"<leader>cd",
			"<cmd>Trouble diagnostics toggle filter.buf=0<cr>",
			desc = "LSP code diagnostic",
		},

		-- Gitsigns
		{
			"<leader>nc",
			function()
				gitsigns.nav_hunk("next")
			end,
			desc = "Next change",
		},
		{
			"<leader>pc",
			function()
				gitsigns.nav_hunk("prev")
			end,
			desc = "Previous change",
		},

		-- increment/decrement numbers
		{ "<leader>+", "<C-a>", desc = "Increment number" }, -- increment
		{ "<leader>-", "<C-x>", desc = "Decrement number" }, -- decrement

		{ "<leader>to", "<cmd>tabnew<CR>", desc = "Open new tab" }, -- open new tab
		{ "<leader>tx", "<cmd>tabclose<CR>", desc = "Close current tab" }, -- close current tab
		{ "<leader>tn", "<cmd>tabn<CR>", desc = "Go to next tab" }, --  go to next tab
		{ "<leader>tp", "<cmd>tabp<CR>", desc = "Go to previous tab" }, --  go to previous tab
		{ "<leader>tf", "<cmd>tabnew %<CR>", desc = "Open current buffer in new tab" }, --  move current buffer to new tab
		{
			"<ESC>",
			":noh<CR>",
			desc = "clears search highlights",
			noremap = true,
			silent = true,
		},

		{
			"<leader>ib",
			function()
				print(vim.bo.filetype)
			end,
			desc = "Print the filetype of current buffer",
		},
		-- { "<leader>uh", function() require("edgy").select("left") end, desc = "focus left" },
	},
	{
		mode = "v",
		{ "<S-j>", ":m '>+1<CR>gv=gv", desc = "Move selection down" },
		{ "<S-k>", ":m '<-2<CR>gv=gv", desc = "Move selection up" },

		-- Comment
		{ "<leader>/", "gc", desc = "comment toggle", remap = true },

		{
			"<ESC>",
			":noh<CR>",
			desc = "clears search highlights",
			noremap = true,
			silent = true,
		},
	},
})