--[[

Commands file for HaxServ.

Written by: Test_User <hax@andrewyu.org>

This is free and unencumbered software released into the public
domain.

Anyone is free to copy, modify, publish, use, compile, sell, or
distribute this software, either in source code form or as a compiled
binary, for any purpose, commercial or non-commercial, and by any
means.

In jurisdictions that recognize copyright laws, the author or authors
of this software dedicate any and all copyright interest in the
software to the public domain. We make this dedication for the benefit
of the public at large and to the detriment of our heirs and
successors. We intend this dedication to be an overt act of
relinquishment in perpetuity of all present and future rights to this
software under copyright law.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
]]

commands = {
	["SANICK"] = {
		func = function(con, user, cmd, args, resp)
			if #args < 2 then
				con:send(":1HC000000 NOTICE "..resp.." :Not enough args.\n")
			else
				con:send("SANICK "..args[1].." :"..table.concat(args, " ", 2).."\n")
			end
		end,
		privs = {"Admin"},
		args = "<target> <new nick>",
	},

	["RELOAD"] = {
		func = function(con, user, cmd, args, resp)
			if #args == 0 then
				config_file:seek("set", 0)
				local success, value_or_err = pcall(json.decode, config_file:read("*a"))
				if success then
					config = value_or_err
					con:send(":1HC000000 NOTICE "..resp.." :Successfully reloaded config.json\n")
				else
					con:send(":1HC000000 NOTICE "..resp.." :Unable to reload config.json, check /dev/stdout for details.\n")
					print("config.json")
					print(value_or_err)
				end

				for file, _ in pairs(config.files) do
					local success, err = pcall(dofile, path..file)
					if success then
						con:send(":1HC000000 NOTICE "..resp.." :Successfully reloaded "..file.."\n")
					else
						con:send(":1HC000000 NOTICE "..resp.." :Unable to reload "..file..", check /dev/stdout for details.\n")
						print(file)
						print(err)
					end
				end
			else
				local file = args[1]..".lua"
				if config.files[file] then
					local success, err = pcall(dofile, path..file)
					if success then
						con:send(":1HC000000 NOTICE "..resp.." :Successfully reloaded "..file.."\n")
					else
						con:send(":1HC000000 NOTICE "..resp.." :Unable to reload "..file..", check /dev/stdout for details.\n")
						print(file)
						print(err)
					end
				elseif args[1] == "config" then
					config_file:seek("set", 0)
					local success, value_or_err = pcall(json.decode, config_file:read("*a"))
					if success then
						config = value_or_err
						con:send(":1HC000000 NOTICE "..resp.." :Successfully reloaded config.json\n")
					else
						con:send(":1HC000000 NOTICE "..resp.." :Unable to reload config.json, check /dev/stdout for details.\n")
						print("CoupServConfig.json")
						print(value_or_err)
					end
				else
					con:send(":1HC000000 NOTICE "..resp.." :Invalid section.\n")
				end
			end
		end,
		privs = {"Admin"},
		args = "[<section>]",
	},

	["RECONNECT"] = {
		func = function(con, user, cmd, args, resp)
			return true
		end,
		privs = {"Admin"},
	},

	[":"] = {
		func = function(con, user, cmd, args, resp)
			con:send(table.concat(args, " ").."\n")
		end,
		privs = {"Admin"},
		args = "<raw IRC message>",
	},

	["HELP"] = {
		func = function(con, user, cmd, args, resp)
			for command, tbl in pairs(commands) do
				if has_permission(userlist[user], tbl.privs) then
					if tbl.args then
						con:send(":1HC000000 NOTICE "..resp.." :"..command.." "..tbl.args.."\n")
					else
						con:send(":1HC000000 NOTICE "..resp.." :"..command.."\n")
					end
				end
			end
		end,
	},

	["SHUTDOWN"] = {
		func = function(con, user, cmd, args, resp)
			local crash_me = nil
			crash_me()
		end,
		privs = {"Owner"},
	},

	["SPAM"] = {
		func = function(con, user, cmd, args, resp)
			if #args < 3 then
				con:send(":1HC000000 NOTICE "..resp.." :Not enough args.\n")
			elseif tonumber(args[2]) == nil then
				con:send(":1HC000000 NOTICE "..resp.." :"..args[2]..": Not a valid positive integer.\n")
			elseif tonumber(args[2]) < 1 then
				con:send(":1HC000000 NOTICE "..resp.." :"..args[2]..": Not a valid positive integer.\n")
			elseif tonumber(args[2]) > 65535 then
				con:send(":1HC000000 NOTICE "..resp.." :"..args[2]..": Too large of a number, max is 65535.\n")
			else
				local msg = ":1HC000000 PRIVMSG "..args[1].." :"..table.concat(args, " ", 3).."\n"
				for i=1, tonumber(args[2]), 1 do
					con:send(msg)
				end
			end
		end,
		privs = {"Admin"},
		args = "<target> <count> <message>",
	},

	["OP"] = {
		func = function(con, user, cmd, args, resp)
			if resp:sub(1, 1) ~= "#" then
				con:send(":1HC000000 NOTICE "..resp.." :This command must be executed within a channel.\n")
				return
			end

			if #args == 0 then
				con:send(":1HC000000 MODE "..resp.." +o "..user.."\n")
			else
				con:send(":1HC000000 MODE "..resp.." +o "..args[1].."\n")
			end
		end,
		privs = {"Admin"},
		args = "[<target>]",
	},

	["GETUID"] = {
		func = function(con, user, cmd, args, resp)
			if #args == 0 then
				con:send(":1HC000000 NOTICE "..resp.." :"..user.."\n")
			else
				local nick = table.concat(args, " ")
				for uid, tbl in pairs(userlist) do
					if tbl.nick == nick then
						con:send(":1HC000000 NOTICE "..resp.." :"..uid.."\n")
						return
					end
				end
				con:send(":1HC000000 NOTICE "..resp.." :Nick not found.\n")
			end
		end,
		args = "[<nick>]",
	},

	["PRINT"] = {
		func = function(con, user, cmd, args, resp)
			if #args == 0 then
				con:send(":1HC000000 NOTICE "..resp.." :Not enough args.\n")
			else
				local list
				if args[1] == "userlist" then
					list = userlist
				elseif args[1] == "chanlist" then
					list = chanlist
				elseif args[1] == "servlist" then
					list = servlist
				else
					con:send(":1HC000000 NOTICE "..resp.." :Unknown list.\n")
					return
				end

				for k, v in pairs(list) do
					local msg = {}
					for key, val in pairs(v) do
						table.insert(msg, "["..(type(key) == "string" and ("%q"):format(key) or tostring(key)).."] = "..(type(val) == "string" and ("%q"):format(val) or tostring(val)))
					end
					print("["..(type(k) == "string" and ("%q"):format(k) or tostring(k)).."] = {"..table.concat(msg, ", ").."}")
				end
			end
		end,
		privs = {"Admin"},
		args = "<list>",
	},

	["GETUSERINFO"] = {
		func = function(con, user, cmd, args, resp)
			if #args == 0 then
				args[1] = source
			end

			if userlist[args[1]] then
				local msg = {}
				for key, val in pairs(userlist[args[1]]) do
					table.insert(msg, "["..(type(key) == "string" and ("%q"):format(key) or tostring(key)).."] = "..(type(val) == "string" and ("%q"):format(val) or tostring(val)))
				end
				con:send(":1HC000000 PRIVMSG "..resp.." :{"..table.concat(msg, ", ").."}\n")
			else
				con:send(":1HC000000 PRIVMSG "..resp.." :Nonexistent UID\n")
			end
		end,
		privs = {"Admin"},
		args = "[<UID>]",
	},

	["GETNICK"] = {
		func = function(con, user, cmd, args, resp)
			if userlist[args[1]] then
				con:send(":1HC000000 NOTICE "..resp.." :"..userlist[args[1]].nick.."\n")
			else
				con:send(":1HC000000 NOTICE "..resp.." :Nonexistent UID\n")
			end
		end,
		args = "[<UID>]",
	},

	["JUPE"] = {
		func = function(con, user, cmd, args, resp)
			if #args == 0 then
				con:send(":1HC000000 NOTICE "..resp.." :Not enough args.\n")
			else
				for id, tbl in pairs(servlist) do
					if tbl.address == args[1] then
						con:send("RSQUIT "..args[1].." :"..table.concat(args, " ", 2).."\n")
						con:send(":1HC SERVER "..args[1].." * 0 "..id.." :Juped.\n")
						return
					end
				end
				con:send(":1HC000000 NOTICE "..resp.." :Server not found.\n")
			end
		end,
		privs = {"Admin"},
		args = "<server>",
	},

	["ALLOW"] = {
		func = function(con, user, cmd, args, resp)
			if #args == 0 then
				con:send(":1HC000000 NOTICE "..resp.." :Not enough args.\n")
			else
				for id, tbl in pairs(userlist) do
					if tbl.nick == args[1] then
						userlist[id].opertype = "Admin"
						con:send(":1HC000000 NOTICE "..resp.." :"..args[1].." is now considered an oper.\n")
						return
					end
				end
				con:send(":1HC000000 NOTICE "..resp.." :Nick not found.\n")
			end
		end,
		privs = {"Admin"},
		args = "<user>",
	},

	["DENY"] = {
		func = function(con, user, cmd, args, resp)
			if #args == 0 then
				con:send(":1HC000000 NOTICE "..resp.." :Not enough args.\n")
			else
				for id, tbl in pairs(userlist) do
					if tbl.nick == args[1] then
						userlist[id].opertype = nil
						con:send(":1HC000000 MODE "..id.." -o\n")
						con:send(":1HC000000 NOTICE "..resp.." :"..args[1].." is no longer an oper.\n")
						return
					end
				end
				con:send(":1HC000000 NOTICE "..resp.." :Nick not found.\n")
			end
		end,
		privs = {"Admin"},
		args = "<user>",
	},

	["SH"] = {
		func = function(con, user, cmd, args, resp)
			local command = table.concat(args, " ")
			if bash_command ~= nil and command == bash_command then
				local fd = io.popen(command)
				local message = fd:read("*a")
				for line in message:gmatch("[^\n]*") do
					if line == "" then
						con:send(":1HC000000 PRIVMSG "..resp.." : \n")
					else
						con:send(":1HC000000 PRIVMSG "..resp.." :"..line:gsub("\t", (" "):rep(8)).."\n")
					end
				end
				fd:close()
				bash_command = nil
			else
				if user:sub(1, 1) == "1" and resp:sub(1, 1) == "#" then
					con:send(":1HC000000 KICK "..resp.." "..user.." :Thought they could execute arbitrary code on hax's computer.)\n")
				else
					con:send(":1HC000000 KILL "..user.." :Killed (Thought they could execute arbitrary code on hax's computer.)\n")
				end
			end
		end,
		args = "<command>",
	},

	["SUS"] = {
		func = function(con, user, cmd, args, resp)
			local lines = {
				":1HC000000 PRIVMSG "..resp.." :Andrew is very sus.\n",
				":1HC000000 PRIVMSG "..resp.." :I was the impostor, but you only know because I killed you.\n",
				":1HC000000 PRIVMSG "..resp.." :\x1b(0\n",
				":1HC000000 KILL "..user.." :Ejected (1 Impostor remains)\n",
				":1HC000000 KILL "..user.." :Ejected, and the crewmates have won.\n",
			}
			con:send(lines[math.random(#lines)])
		end,
	},

	["CR"] = {
		func = function(con, user, cmd, args, resp)
			local lines = {
				":1HC000000 PRIVMSG "..resp.." :You are now a cruxian toxicpod, kill the sharded crewmates.\n",
				":1HC000000 PRIVMSG "..resp.." :You are now a cruxian omura, kill the sharded crewmates.\n",
				":1HC000000 PRIVMSG "..resp.." :You are now a cruxian oct, but you ran out of reactors.\n",
				":1HC000000 KILL "..user.." :Eliminated (You became a cruxian eclipse, but were drawn to my bait reactor)\n",
				":1HC000000 PRIVMSG "..resp.." :You attempted to change into a cruxian navanax, but were caught in the act.\n",
			}
			con:send(lines[math.random(#lines)])
		end,
	},
}