From 0a464296cd1a1308ced8baebf99f21edca1c8f3a Mon Sep 17 00:00:00 2001
From: alemi <me@alemi.dev>
Date: Tue, 11 Apr 2023 22:35:27 +0200
Subject: [PATCH] feat: added Join/Share commands

---
 src/client/nvim/codemp.lua | 78 +++++++++++++++++++++++++-------------
 1 file changed, 51 insertions(+), 27 deletions(-)

diff --git a/src/client/nvim/codemp.lua b/src/client/nvim/codemp.lua
index 90fac65..d418bae 100644
--- a/src/client/nvim/codemp.lua
+++ b/src/client/nvim/codemp.lua
@@ -1,4 +1,4 @@
-local BINARY = "/home/alemi/source/codemp/target/debug/client-nvim --debug"
+local BINARY = "/home/alemi/projects/codemp/target/debug/client-nvim --debug"
 
 if vim.g.codemp_jobid == nil then
 	vim.g.codemp_jobid = vim.fn.jobstart(
@@ -14,33 +14,57 @@ local M = {}
 M.create = function(path, content) return vim.rpcrequest(vim.g.codemp_jobid, "create", path, content) end
 M.insert = function(path, txt, pos) return vim.rpcrequest(vim.g.codemp_jobid, "insert", path, txt, pos) end
 M.delete = function(path, pos, count) return vim.rpcrequest(vim.g.codemp_jobid, "delete", path, pos, count) end
+M.sync   = function(path) return vim.rpcrequest(vim.g.codemp_jobid, "sync", path) end
 M.dump   = function() return vim.rpcrequest(vim.g.codemp_jobid, "dump") end
-M.attach = function(path)
-	vim.api.nvim_create_autocmd(
-		{ "InsertCharPre" },
-		{
-			callback = function()
-				local cursor = vim.api.nvim_win_get_cursor(0)
-				local off = vim.fn.line2byte(cursor[1]) + cursor[2] - 1
-				M.insert(path, vim.v.char, off)
-			end,
-		}
-	)
-	vim.keymap.set('i', '<BS>', function()
-		local cursor = vim.api.nvim_win_get_cursor(0)
-		local off = vim.fn.line2byte(cursor[1]) + cursor[2] - 1
-		if off > 0 then
-			M.delete(path, off, 1)
-		end
-		return '<BS>'
-	end, {expr = true})
-	vim.keymap.set('i', '<CR>', function()
-		local cursor = vim.api.nvim_win_get_cursor(0)
-		local off = vim.fn.line2byte(cursor[1]) + cursor[2] - 1
-		M.insert(path, "\n", off)
-		return '<CR>'
-	end, {expr = true})
-	return vim.rpcrequest(vim.g.codemp_jobid, "attach", path)
+M.attach = function(path) return vim.rpcrequest(vim.g.codemp_jobid, "attach", path) end
+
+local function cursor_offset()
+	local cursor = vim.api.nvim_win_get_cursor(0)
+	return vim.fn.line2byte(cursor[1]) + cursor[2] - 1
 end
 
+local function hook_callbacks(path)
+	vim.api.nvim_create_autocmd(
+		{ "InsertCharPre" },
+		{ callback = function() M.insert(path, vim.v.char, cursor_offset()) end }
+	)
+	vim.keymap.set('i', '<BS>', function()
+		local off = cursor_offset()
+		pcall(M.delete, path, off, 1)
+		return '<BS>'
+	end, {expr = true})
+	vim.keymap.set('i', '<Del>', function()
+		pcall(M.cancel, path, cursor_offset(), 1)
+		return '<Del>'
+	end, {expr = true})
+	vim.keymap.set('i', '<CR>', function()
+		pcall(M.insertpath, "\n", cursor_offset())
+		return '<CR>'
+	end, {expr = true})
+end
+
+vim.api.nvim_create_user_command(
+	'Share',
+	function(args)
+		local path = args.fargs[1]
+		local bufnr = vim.api.nvim_get_current_buf()
+		local lines = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
+		M.create(path, vim.fn.join(lines, "\n"))
+		hook_callbacks(path)
+		M.attach(path)
+	end,
+	{nargs=1}
+)
+
+vim.api.nvim_create_user_command(
+	'Join',
+	function(args)
+		local path = args.fargs[1]
+		M.sync(path)
+		hook_callbacks(path)
+		M.attach(path)
+	end,
+	{nargs=1}
+)
+
 return M