DEV 559: Refactor CLI and add customizations (#57)

* move snake API structs into a new client package

* add customizations to snake objects

* refactor and add support for passing snake customizations in games

client/models.go

@@ -0,0 +1,107 @@
+package client
+
+import "github.com/BattlesnakeOfficial/rules"
+
+// The top-level message sent in /start, /move, and /end requests
+type SnakeRequest struct {
+	Game  Game  `json:"game"`
+	Turn  int32 `json:"turn"`
+	Board Board `json:"board"`
+	You   Snake `json:"you"`
+}
+
+// Game represents the current game state
+type Game struct {
+	ID      string  `json:"id"`
+	Ruleset Ruleset `json:"ruleset"`
+	Timeout int32   `json:"timeout"`
+	Source  string  `json:"source"`
+}
+
+// Board provides information about the game board
+type Board struct {
+	Height  int32   `json:"height"`
+	Width   int32   `json:"width"`
+	Snakes  []Snake `json:"snakes"`
+	Food    []Coord `json:"food"`
+	Hazards []Coord `json:"hazards"`
+}
+
+// Snake represents information about a snake in the game
+type Snake struct {
+	ID             string         `json:"id"`
+	Name           string         `json:"name"`
+	Latency        string         `json:"latency"`
+	Health         int32          `json:"health"`
+	Body           []Coord        `json:"body"`
+	Head           Coord          `json:"head"`
+	Length         int32          `json:"length"`
+	Shout          string         `json:"shout"`
+	Squad          string         `json:"squad"`
+	Customizations Customizations `json:"customizations"`
+}
+
+type Customizations struct {
+	Color string `json:"color"`
+	Head  string `json:"head"`
+	Tail  string `json:"tail"`
+}
+
+type Ruleset struct {
+	Name     string          `json:"name"`
+	Version  string          `json:"version"`
+	Settings RulesetSettings `json:"settings"`
+}
+
+type RulesetSettings struct {
+	FoodSpawnChance     int32          `json:"foodSpawnChance"`
+	MinimumFood         int32          `json:"minimumFood"`
+	HazardDamagePerTurn int32          `json:"hazardDamagePerTurn"`
+	RoyaleSettings      RoyaleSettings `json:"royale"`
+	SquadSettings       SquadSettings  `json:"squad"`
+}
+
+type RoyaleSettings struct {
+	ShrinkEveryNTurns int32 `json:"shrinkEveryNTurns"`
+}
+
+type SquadSettings struct {
+	AllowBodyCollisions bool `json:"allowBodyCollisions"`
+	SharedElimination   bool `json:"sharedElimination"`
+	SharedHealth        bool `json:"sharedHealth"`
+	SharedLength        bool `json:"sharedLength"`
+}
+
+// Coord represents a point on the board
+type Coord struct {
+	X int32 `json:"x"`
+	Y int32 `json:"y"`
+}
+
+// The expected format of the response body from a /move request
+type MoveResponse struct {
+	Move  string `json:"move"`
+	Shout string `json:"shout"`
+}
+
+// The expected format of the response body from a GET request to a Battlesnake's index URL
+type SnakeMetadataResponse struct {
+	APIVersion string `json:"apiversion,omitempty"`
+	Author     string `json:"author,omitempty"`
+	Color      string `json:"color,omitempty"`
+	Head       string `json:"head,omitempty"`
+	Tail       string `json:"tail,omitempty"`
+	Version    string `json:"version,omitempty"`
+}
+
+func CoordFromPoint(pt rules.Point) Coord {
+	return Coord{X: pt.X, Y: pt.Y}
+}
+
+func CoordFromPointArray(ptArray []rules.Point) []Coord {
+	a := make([]Coord, 0)
+	for _, pt := range ptArray {
+		a = append(a, CoordFromPoint(pt))
+	}
+	return a
+}