(import (chezscheme))

; Where the magic happens
(import (lib))

; My quick-and-dirty unit testing framework (copied for each day)
(define (run-test name proc input expected)
  (let ((result (proc input)))
    (if (equal? result expected)
      (printf "\x1b;[32;1mPASS\x1b;[0m: ~a\n"
              name)
      (printf "\x1b;[31;1mFAIL\x1b;[0m: ~a: got ~a, expected ~a\n"
              name result expected))))

(printf "Part 1 tests:\n")

(define (test-part1 name input expected)
  (run-test name solve-part1 input expected))

(test-part1 "part 1 example 1"
            1 0)
(test-part1 "part 1 example 2"
            12 3)
(test-part1 "part 1 example 3"
            23 2)
(test-part1 "part 1 example 4"
            1024 31)

(printf "Part 2 tests:\n")

(define (test-part2 name input expected)
  (run-test name solve-part2 input expected))

(test-part2 "part 2 example 1"
            1 2)
(test-part2 "part 2 example 2"
            23 25)
(test-part2 "part 2 example 3"
            133 142)
(test-part2 "part 2 example 4"
            747 806)