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--
--	file:		export_UnitDefs.lua
--	brief:	Save the UnitDefs table to json for spreadsheeting
--	author:	Birdulon
--
--	Copyright (C) 2020.
--	Licensed under MIT or WTFPL, whichever you prefer.
--
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--local json = require "json"
--VFS.Include("LuaUI/Widgets/json.lua")

function widget:GetInfo()
	return {
		name = "Export UnitDefs",
		desc = "Exports UnitDefs table to a json when /exportUnitDefs is written in chat",
		author = "Birdulon",
		date = "June 2020",
		license = "MIT/WTFPL",
		layer = 0,
		enabled = true  -- loaded by default?
	}
end


function widget:Update(dt)
	local filename = "SPR_" .. Engine.versionFull .. "_ZK_" .. Game.gameVersion .. "_unitdefs"
	local data = {}
	for unitID=1,#UnitDefs do
		data[unitID] = {}
		for k,v in UnitDefs[unitID]:pairs() do
			if k == "wDefs" then
				-- Skip as it's actually empty
			elseif k == "weapons" then
				data[unitID][k] = v
				for i=1,#v do
					if type(data[unitID].weapons[i].weaponDef) == "number" then
						local wepDef = WeaponDefs[data[unitID].weapons[i].weaponDef]
						for name,param in wepDef:pairs() do
							data[unitID].weapons[i][name] = param  -- This flattens the structure a little bit, but I think it's a useful thing to do.
						end
					end
				end
			else
				data[unitID][k] = v
			end
		end
	end
	table.save(data, filename .. ".lua")
	Spring.Echo("game_message: UnitDefs table saved to " .. filename .. ".lua")
-- 	if json then
-- 		local file = io.open(filename .. ".json", "w")
-- 		io.output(file)
-- 		io.write(json.encode(data))
-- 		io.close(file)
-- 	Spring.Echo("game_message: UnitDefs table saved to " .. filename .. ".json")
-- 	end
	widgetHandler:RemoveWidget()
end

-- function widget:Initialize()
-- end