(let [{: describe
       :end test-end} (require :lib.test)
      {: mill?
       : get-candidates
       : candidates->moves
       : moves->mills
       : any
       } (require :lib.mill)
      {: mills } (require :lib.constants)
      with-mills (partial mill? mills)]


  (describe "Mill" (fn []
    (describe "#get-candidates()" (fn [t]
        (t
         (let [move 3
							 expected [[1 2 3] [3 15 24]]
               moves [ 1 1 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ]
							]
				 	{:given (string.format "a move of %d" move)
					 :should "return [[1 2 3] [3 15 24]]" 
           : expected 
           :actual (get-candidates mills move)
           }))
        (t
         (let [move 1
							 expected [[1 2 3] [1 10 22]]
               moves [ 0 0 0 ]
							]
				 	{:given (string.format "a move of %d" move)
					 :should "return [[1 2 3] [1 10 22]]" 
           : expected 
           :actual (get-candidates mills move)
           }))))
				

    (describe "#candidates->moves()" (fn [t]
          (t 
						(let [candidates [[1 2 3] [1 10 22]] 
								  moves [0 1 1 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 2]
								  expected [[:x 1 1] [:x 2 2]]
								  move 1
								  player 2
								  ]
							 {:given "a list of spaces and of current moves"
								:should "return a map of spaces to moves"
								: expected
								:actual (candidates->moves candidates moves move player)
								}))
          (t 
						(let [candidates [[1 2 3] [3 15 24]]
								  moves [ 1 1 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ]
							 		expected [[1 1 :x] [:x 0 0]]
									move 3
									player 1
									]
							 {:given "a list of candidates and of current moves"
								:should "return an x-map of spaces to moves"
								: expected
								:actual (candidates->moves candidates moves move player)
								}))))


    (describe "#moves->mills()" (fn [t]
          (t 
						(let [spaces [[:x 1 1] [:x 2 2]]
									moves [0 1 1 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 2]
									player 2
									]
							 {:given "a list of spaces and of current moves"
								:should "return a map of spaces to moves"
								:expected [false true]
								:actual (moves->mills spaces player)
								}))
          (t 
						(let [spaces [[1 1 :x] [:x 0 0]]
								  moves [ 1 1 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ]
									player 1
									]
							 {:given "a list of canditate-moves and of current moves"
								:should "return a map of spaces to moves"
								:expected [true false]
								:actual (moves->mills spaces player)
								}))))


    (describe "#any()" (fn [t]
        (t {:given "a table of false false true"
            :should "return true"
            :expected true
            :actual (any [false false true])
           })
        (t {:given "a table of true false"
            :should "return true"
            :expected true
            :actual (any [true false])
           })
        (t {:given "a single false"
            :should "return false"
            :expected false
            :actual (any [false])
           })
        (t {:given "a single true"
            :should "return true"
            :expected true
            :actual (any [true])
           })))


    (describe "#mill?()" (fn [t]
        (t 
          (let [move 1
                player 1
								moves [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
                with-moves (partial with-mills moves)]
            {:given (string.format "a move of P%d:%d with moves %s" player move (table.concat moves ","))
             :should "not be a mill"
             :expected false
             :actual (with-moves move player)
             }))
        (t 
          (let [move 3
                player 1
                moves [1 1 0]
                with-moves (partial with-mills moves)]
            {:given (string.format "a move of P%d:%d with moves %s" player move (table.concat moves ","))
             :should "be a mill"
             :expected true
             :actual (with-moves move player)
             }))
        (t 
          (let [move 3
                player 1
                moves [ 1 1 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ]
                with-moves (partial with-mills moves)]
            {:given (string.format "a move of P%d:%d with moves %s" player move (table.concat moves ","))
             :should "be a mill"
             :expected true
             :actual (with-moves move player)
             }))))
    (test-end))))