DEV 1666: Fix /end requests and clean up logging (#109)

* ensure /end request is always called, and refactor win/draw logic

* clean up logging and error handling during initialization

* automatically generate friendly snake names

* title-case snake names

* print out list of alive snake names instead of count

* log snake names, IDs, and URLs at startup

* print out state for turn zero

cli/commands/names.go

@@ -0,0 +1,153 @@
+// This file uses material from the Wikipedia article <a href="https://en.wikipedia.org/wiki/List_of_snakes_by_common_name">"List of snakes by common name"</a>, which is released under the <a href="https://creativecommons.org/licenses/by-sa/3.0/">Creative Commons Attribution-Share-Alike License 3.0</a>.
+package commands
+
+import (
+	"math/rand"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+var snakeNames = []string{
+	"Adder",
+	"Aesculapian Snake",
+	"Anaconda",
+	"Arafura File Snake",
+	"Asp",
+	"African Beaked Snake",
+	"Ball Python",
+	"Bird Snake",
+	"Black-headed Snake",
+	"Mexican Black Kingsnake",
+	"Black Rat Snake",
+	"Black Snake",
+	"Blind Snake",
+	"Boa",
+	"Boiga",
+	"Boomslang",
+	"Brown Snake",
+	"Bull Snake",
+	"Bushmaster",
+	"Dwarf Beaked Snake",
+	"Rufous Beaked Snake",
+	"Canebrake",
+	"Cantil",
+	"Cascabel",
+	"Cat-eyed Snake",
+	"Cat Snake",
+	"Chicken Snake",
+	"Coachwhip Snake",
+	"Cobra",
+	"Collett's Snake",
+	"Congo Snake",
+	"Copperhead",
+	"Coral Snake",
+	"Corn Snake",
+	"Cottonmouth",
+	"Crowned Snake",
+	"Cuban Wood Snake",
+	"Egg-eater",
+	"Eyelash Viper",
+	"Fer-de-lance",
+	"Fierce Snake",
+	"Fishing Snake",
+	"Flying Snake",
+	"Fox Snake",
+	"Forest Flame Snake",
+	"Garter Snake",
+	"Glossy Snake",
+	"Gopher Snake",
+	"Grass Snake",
+	"Green Snake",
+	"Ground Snake",
+	"Habu",
+	"Harlequin Snake",
+	"Herald Snake",
+	"Hognose Snake",
+	"Hoop Snake",
+	"Hundred Pacer",
+	"Ikaheka Snake",
+	"Indigo Snake",
+	"Jamaican Tree Snake",
+	"Jararacussu",
+	"Keelback",
+	"King Brown",
+	"King Cobra",
+	"King Snake",
+	"Krait",
+	"Lancehead",
+	"Lora",
+	"Lyre Snake",
+	"Machete Savane",
+	"Mamba",
+	"Mamushi",
+	"Mangrove Snake",
+	"Milk Snake",
+	"Moccasin Snake",
+	"Montpellier Snake",
+	"Mud Snake",
+	"Mussurana",
+	"Night Snake",
+	"Nose-horned Viper",
+	"Parrot Snake",
+	"Patchnose Snake",
+	"Pine Snake",
+	"Pipe Snake",
+	"Python",
+	"Queen Snake",
+	"Racer",
+	"Raddysnake",
+	"Rat Snake",
+	"Rattlesnake",
+	"Ribbon Snake",
+	"Rinkhals",
+	"River Jack",
+	"Sea Snake",
+	"Shield-tailed Snake",
+	"Sidewinder",
+	"Small-eyed Snake",
+	"Stiletto Snake",
+	"Striped Snake",
+	"Sunbeam Snake",
+	"Taipan",
+	"Tentacled Snake",
+	"Tic Polonga",
+	"Tiger Snake",
+	"Tigre Snake",
+	"Tree Snake",
+	"Trinket Snake",
+	"Twig Snake",
+	"Twin Headed King Snake",
+	"Titanoboa",
+	"Urutu",
+	"Vine Snake",
+	"Viper",
+	"Wart Snake",
+	"Water Moccasin",
+	"Water Snake",
+	"Whip Snake",
+	"Wolf Snake",
+	"Worm Snake",
+	"Wutu",
+	"Yarara",
+	"Zebra Snake",
+}
+
+func init() {
+	randGen := rand.New(rand.NewSource(time.Now().UnixNano()))
+	randGen.Shuffle(len(snakeNames), func(i, j int) {
+		snakeNames[i], snakeNames[j] = snakeNames[j], snakeNames[i]
+	})
+}
+
+// Generate a random unique snake name, or return a UUID if there are no more names available.
+func GenerateSnakeName() string {
+	if len(snakeNames) == 0 {
+		return uuid.New().String()
+	}
+
+	name := snakeNames[0]
+	snakeNames = snakeNames[1:]
+
+	return name
+}