-- | NPC templates hunit tests
-- (c) JP Moresmau 2009
module MoresmauJP.Rpg.NPCTests where

import Data.List
import Control.Monad

import MoresmauJP.Rpg.Character
import MoresmauJP.Rpg.CharacterTests
import MoresmauJP.Rpg.Inventory
import MoresmauJP.Rpg.NPC
import MoresmauJP.Util.Random

import Test.HUnit

import System.Random

npcTests = TestList [testNPCTemplate,testNPCOccurences]

createTestNPC :: String -> NPCCharacter
createTestNPC name=NPCCharacter (createTestChar name) Human 10


testNPCTemplate=TestLabel "Test NPC Template" (TestCase (do
	mapM_ (\template-> do
		replicateM_ 5 (
			do
				sg<-getStdGen
				NPCCharacter{npcCharacter=t}<-evalRandT (generateFromTemplate template) (ProductionRandom sg)
				mapM_ (testNPCTraits t) (traitRanges template)
				mapM_ (testNPCInventory t) (possibleItems template)
			)
		) allNPCTemplates))
	
testNPCTraits :: Character -> (Characteristic,(Int,Int)) -> IO()
testNPCTraits c (char,(low,high)) = do
	let v=getCharacteristic' c Current char
	assertBool "Value not within range" (v>=low && v<=high)
	

testNPCInventory :: Character -> (Position,[(Maybe ItemType,Int)]) -> IO()
testNPCInventory c (pos,items)= do
	let item=getCarriedItem (inventory c) pos
	assertBool ("Incorrect pos "++(show pos)) (case item of {Right _ -> True;_->False})
	let item'=case item of {Right i -> i;_->error "no right"}
	assertBool ("incorrect position for item "++(show item')++ " in pos "++ (show pos)) (case item' of
		Nothing-> True
		Just i -> positionAllowed i pos)
	case (pos,item') of
		(LeftHand,Just Weapon {hands=2})-> return ()
		_ -> assertBool ("Item not from template: "++(name c)++":"++(show item')) (elem  item' (map fst items)) 
	

testNPCOccurences= TestLabel "Test NPCOccurences" (TestCase (do
	let allTemplates=allNPCTemplates
	mapM_ (\template -> do 
			let level=templateLevel template
			let levelUp=div (level * 10) 8
			let levelDown=div (levelUp * 8) 10
			if levelDown==level
				then do
					let occs=getNPCOccurences levelUp
					let maxTemplate=maximumBy (\t1 t2->compare (snd t1) (snd t2)) occs
					let allMax=filter (\t1->(snd maxTemplate)==( snd t1))occs
					--mapM_  (\a->print ((show a)++(show $ templateLevel $ fst a))) allMax
					assertBool ("template "++(typeName template)++ " is not maximum (level:"++(show level)) (elem (template) (map fst allMax))
				else
					return () 
		) allTemplates
	))