Add "Ten-pin Bowling" hole

JRaspass · JRaspass · commit 5348743b4f16 · 2019-06-12T23:10:04.000+01:00
Needs a description, but it works!
diff --git a/assets/hole.css b/assets/hole.css
@@ -223,9 +223,9 @@ main nav a:nth-child(3):before {
 #arg span {
     background: #ddd;
     border-radius: 10px;
+    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
     line-height: 30px;
     padding: 3px 7px;
-    white-space: nowrap;
 }
 
 #status {
diff --git a/db.sql b/db.sql
@@ -50,6 +50,7 @@ CREATE TYPE public.hole AS ENUM (
     'sierpiński-triangle',
     'spelling-numbers',
     'sudoku',
+    'ten-pin-bowling',
     'λ',
     'π',
     'τ',
diff --git a/holes.md b/holes.md
@@ -21,11 +21,7 @@ Gaming
 
 * Poker
 * Sudoku
-* Ten-pin Bowling **TODO**
-
-  `X 7/ 9- X -8 ⑧/ F6 X X X81` = `167`
-
-  `X X X X X X X X X XXX` = `300`
+* Ten-pin Bowling
 
 Math
 ====
diff --git a/routes/solution.go b/routes/solution.go
@@ -38,8 +38,8 @@ func solution(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
 	}
 
 	switch in.Hole {
-	case "arabic-to-roman":
-		args, out.Exp = arabicToRoman(false)
+	case "arabic-to-roman", "roman-to-arabic":
+		args, out.Exp = arabicToRoman(in.Hole == "roman-to-arabic")
 	case "brainfuck":
 		args, out.Exp = brainfuck()
 	case "morse-decoder", "morse-encoder":
@@ -50,15 +50,15 @@ func solution(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
 		args, out.Exp = poker()
 	case "quine":
 		out.Exp = in.Code
-	case "roman-to-arabic":
-		args, out.Exp = arabicToRoman(true)
 	case "seven-segment":
 		args = make([]string, 1)
 		args[0], out.Exp = sevenSegment()
 	case "spelling-numbers":
 		args, out.Exp = spellingNumbers()
 	case "sudoku":
 		args, out.Exp = sudoku()
+	case "ten-pin-bowling":
+		args, out.Exp = tenPinBowling()
 	default:
 		out.Exp = answers[in.Hole]
 	}
diff --git a/routes/ten-pin-bowling.go b/routes/ten-pin-bowling.go
@@ -0,0 +1,67 @@
+package routes
+
+import (
+	"math/rand"
+	"strings"
+)
+
+var games = [...]struct {
+	frames []rune
+	score  string
+}{
+	{[]rune(" X  X  X  X  X  X  X  X  X XXX"), "300"},
+	{[]rune(" X 17 36 63 4-  X 61 7- 6- -- "), "85"},
+	{[]rune(" X 7/ 9-  X -8 8/ -6  X  X X81"), "167"},
+	{[]rune(" X 8- 51  X 35 36 7- 9-  X 8- "), "109"},
+	{[]rune("-- -- -- -- -- -- -- -- -- -- "), "0"},
+	{[]rune("-9 5- 35 31 61 43 6- 63 6- 71 "), "69"},
+	{[]rune("32 3/  X  X  X  X 43 33 33 36 "), "154"},
+	{[]rune("43 44 56 45  X  X  X  X 43 23 "), "148"},
+	{[]rune("53 33 34  X  X  X 53 3/  X X43"), "163"},
+	{[]rune("7/ 4- 36 81 8- 54 44 53 31 8- "), "81"},
+	{[]rune("71 33 45 45  X  X  X  X 5/ 23 "), "154"},
+	{[]rune("71 7- 72 8- 81 51 8-  X 6- 81 "), "86"},
+	{[]rune("72 9- 81  X 9- 8/  X  X  X 9- "), "162"},
+	{[]rune("81 16 8/ 33  X 7- -7 9- 8- -- "), "83"},
+	{[]rune("9- -2 35  X  X  X  X 62 22 62 "), "143"},
+}
+
+func tenPinBowling() ([]string, string) {
+	args := make([]string, len(games))
+	outs := make([]string, len(games))
+
+	for i, game := range games {
+		frames := make([]rune, len(game.frames))
+		copy(frames, game.frames)
+
+		// Randomly create splits and fouls to make it more interesting.
+		for j, char := range frames {
+			var replacement rune
+
+			switch char {
+			case '-':
+				replacement = 'F'
+			case '5', '6', '7', '8':
+				replacement = '①' - '1' + char
+			default:
+				continue
+			}
+
+			if rand.Intn(2) == 0 {
+				frames[j] = replacement
+			}
+		}
+
+		args[i] = string(frames)
+		outs[i] = game.score
+	}
+
+	// Shuffle
+	for i := range args {
+		j := rand.Intn(i + 1)
+		args[i], args[j] = args[j], args[i]
+		outs[i], outs[j] = outs[j], outs[i]
+	}
+
+	return args, strings.Join(outs, "\n")
+}
diff --git a/routes/types.go b/routes/types.go
@@ -340,6 +340,10 @@ A Partridge in a Pear Tree.</blockquote>`,
 ┠───┼───┼───╂───┼───┼───╂───┼───┼───┨
 ┃ 1 │ 8 │ 2 ┃ 5 │ 7 │ 9 ┃ 3 │ 4 │ 6 ┃
 ┗━━━┷━━━┷━━━┻━━━┷━━━┷━━━┻━━━┷━━━┷━━━┛</pre>`,
+	}, {
+		"", "",
+		"ten-pin-bowling", "Ten-pin Bowling", "Slow",
+		"WIP Writing descriptions is hard, patches very welcome!",
 	}, {
 		"", "",
 		"λ", "λ", "Medium",
