class_whitelists.lua

local PLUGIN = PLUGIN

PLUGIN.name = "Class Whitelists"
PLUGIN.description = "Allows classes to be obtainable with whitelists."
PLUGIN.author = "wowm0d"
PLUGIN.license = [[
Copyright 2019 - 2020 wowm0d
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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 OR COPYRIGHT HOLDERS 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.
]]
PLUGIN.readme = [[
Allows classes to be obtainable with whitelists.
Add the below funtion to any class you wish to restrict to whitelists.

```lua
function CLASS:CanSwitchTo(client)
    return client:HasClassWhitelist(self.index)
end
```

Support for this plugin can be found here: https://discord.gg/mntpDMU
]]

ix.lang.AddTable("english", {
	cmdPlyUnClassWhitelist = "Disallows someone to change to a specific class within a faction.",
	cmdPlyClassWhitelist = "Allows someone to change to a specific class within a faction.",
	classwhitelist = "%s has whitelisted %s for the %s class.",
	unclasswhitelist = "%s has unwhitelisted %s from the %s class."
})

local playerMeta = FindMetaTable("Player")

function playerMeta:HasClassWhitelist(class)
	local data = ix.class.list[class]

	if (data) then
		if (data.isDefault) then
			return true
		end

		local clientData = self:GetData("classWhitelists", {})

		return clientData[Schema.folder] and clientData[Schema.folder][data.uniqueID]
	end

	return false
end

if (SERVER) then
	function playerMeta:SetClassWhitelisted(class, whitelisted)
		if (whitelisted != true) then
			whitelisted = nil
		end

		local data = ix.class.list[class]

		if (data) then
			local classWhitelists = self:GetData("classWhitelists", {})
			classWhitelists[Schema.folder] = classWhitelists[Schema.folder] or {}
			classWhitelists[Schema.folder][data.uniqueID] = whitelisted

			self:SetData("classWhitelists", classWhitelists)
			self:SaveData()

			return true
		end

		return false
	end
end

do
	local COMMAND = {}
	COMMAND.arguments = {ix.type.player, ix.type.text}
	COMMAND.superAdminOnly = true
	COMMAND.privilege = "Manage Character Whitelist"
	COMMAND.description = "@cmdPlyClassWhitelist"

	function COMMAND:OnRun(client, target, name)
		if (name == "") then
			return "@invalidArg", 2
		end

		local class = ix.class.list[name]

		if (!class) then
			for _, v in ipairs(ix.class.list) do
				if (ix.util.StringMatches(L(v.name, client), name) or ix.util.StringMatches(v.uniqueID, name)) then
					class = v

					break
				end
			end
		end

		if (class) then
			if (target:SetClassWhitelisted(class.index, true)) then
				for _, v in ipairs(player.GetAll()) do
					v:NotifyLocalized("classwhitelist", client:GetName(), target:GetName(), L(class.name, v))
				end
			end
		else
			return "@invalidClass"
		end
	end

	ix.command.Add("PlyClassWhitelist", COMMAND)
end

do
	local COMMAND = {}
	COMMAND.arguments = {ix.type.string, ix.type.text}
	COMMAND.superAdminOnly = true
	COMMAND.privilege = "Manage Character Whitelist"
	COMMAND.description = "@cmdPlyUnClassWhitelist"

	function COMMAND:OnRun(client, target, name)
		if (name == "") then
			return "@invalidArg", 2
		end

		local class = ix.class.list[name]

		if (!class) then
			for _, v in ipairs(ix.class.list) do
				if (ix.util.StringMatches(L(v.name, client), name) or ix.util.StringMatches(v.uniqueID, name)) then
					class = v

					break
				end
			end
		end

		if (class) then
			local targetPlayer = ix.util.FindPlayer(target)

			if (IsValid(targetPlayer) and targetPlayer:SetClassWhitelisted(class.index, false)) then
				for _, v in ipairs(player.GetAll()) do
					v:NotifyLocalized("unclasswhitelist", client:GetName(), targetPlayer:GetName(), L(class.name, v))
				end
			else
				local steamID64 = util.SteamIDTo64(target)
				local query = mysql:Select("ix_players")
					query:Select("data")
					query:Where("steamid", steamID64)
					query:Limit(1)
					query:Callback(function(result)
						if (istable(result) and #result > 0) then
							local data = util.JSONToTable(result[1].data or "[]")
							local whitelists = data.classWhitelists and data["classWhitelists"][Schema.folder]

							if (whitelists and whitelists[class.uniqueID]) then
								whitelists[class.uniqueID] = nil
								data["classWhitelists"][Schema.folder] = whitelists

								local updateQuery = mysql:Update("ix_players")
									updateQuery:Update("data", util.TableToJSON(data))
									updateQuery:Where("steamid", steamID64)
								updateQuery:Execute()

								for _, v in ipairs(player.GetAll()) do
									v:NotifyLocalized("unclasswhitelist", client:GetName(), target, L(class.name, v))
								end
							end
						end
					end)
				query:Execute()
			end
		else
			return "@invalidClass"
		end
	end

	ix.command.Add("PlyUnClassWhitelist", COMMAND)
end