dofile("luahelper.lua")
-- Test cases for XML helper functions

-- Mock XML structure for testing
local testXML = {
	_tag = "root",
	_attr = {version = "1.0"},
	_children = {
		{
			_tag = "item",
			_attr = {name = "sword", damage = "10", weight = "5.5"},
			_text = "Iron Sword"
		},
		{
			_tag = "item",
			_attr = {name = "shield", defense = "8"},
			_children = {
				{
					_tag = "material",
					_attr = {type = "steel", durability = "100"}
				}
			}
		},
		{
			_tag = "container",
			_children = {
				{_tag = "item", _attr = {name = "potion", healing = "20"}},
				{_tag = "item", _attr = {name = "scroll"}}
			}
		}
	}
}

print("=== XML Helper Functions Tests ===\n")

-- Test findElements
print("1. Find all 'item' elements:")
local items = findElements(testXML, "item")
print("   Found " .. #items .. " items")
for i, item in ipairs(items) do
	print("   - " .. (item._attr.name or "unnamed"))
end

-- Test getNumAttr and setNumAttr
print("\n2. Get/Set numeric attributes:")
local sword = items[1]
local damage = getNumAttr(sword, "damage")
print("   Sword damage: " .. tostring(damage))
setNumAttr(sword, "damage", damage * 2)
print("   After doubling: " .. sword._attr.damage)

-- Test modifyNumAttr
print("\n3. Modify numeric attribute:")
modifyNumAttr(sword, "weight", function(val) return val * 1.5 end)
print("   Sword weight modified: " .. sword._attr.weight)

-- Test filterElements
print("\n4. Filter elements with 'healing' attribute:")
local healingItems = filterElements(testXML, function(elem)
	return hasAttr(elem, "healing")
end)
print("   Found " .. #healingItems .. " healing items")

-- Test visitElements
print("\n5. Visit all elements:")
local count = 0
visitElements(testXML, function(elem, depth, path)
	count = count + 1
	if depth <= 2 then
		print("   " .. string.rep("  ", depth) .. elem._tag .. " @ " .. path)
	end
end)
print("   Total elements visited: " .. count)

-- Test getText and setText
print("\n6. Text content:")
print("   Original text: " .. (getText(sword) or "none"))
setText(sword, "Modified Sword")
print("   New text: " .. getText(sword))

-- Test hasAttr and getAttr
print("\n7. Check attributes:")
print("   Sword has 'damage': " .. tostring(hasAttr(sword, "damage")))
print("   Sword has 'magic': " .. tostring(hasAttr(sword, "magic")))
print("   Sword name: " .. (getAttr(sword, "name") or "none"))

print("\n=== Tests Complete ===")