wip: generate report

internal/controller/fleet.go

@@ -50,19 +50,23 @@ func (c *Cache) FleetState(fleetID uuid.UUID) (game.ShipGroupState, *uint, *game
 }
 
 // TODO: Hello! Wanna know fleet's speed? Good. Implement & test this func first.
-func (c *Cache) FleetSpeed(fl game.Fleet) float64 {
-	result := math.MaxFloat64
-	for sg := range c.ShipGroupsIndex() {
-		if c.ShipGroup(sg).FleetID == nil || *c.ShipGroup(sg).FleetID != fl.ID {
+func (c *Cache) FleetSpeedAndMass(fi int) (float64, float64) {
+	c.validateFleetIndex(fi)
+	speed := math.MaxFloat64
+	mass := 0.
+	for sgi := range c.ShipGroupsIndex() {
+		if c.ShipGroup(sgi).FleetID == nil || *c.ShipGroup(sgi).FleetID != c.g.Fleets[fi].ID {
 			continue
 		}
-		st := c.ShipGroupShipClass(sg)
-		typeSpeed := c.ShipGroup(sg).Speed(st)
-		if typeSpeed < result {
-			result = typeSpeed
+		sg := c.ShipGroup(sgi)
+		st := c.ShipGroupShipClass(sgi)
+		typeSpeed := sg.Speed(st)
+		if typeSpeed < speed {
+			speed = typeSpeed
 		}
+		mass += sg.FullMass(st)
 	}
-	return result
+	return speed, mass
 }
 
 func (c *Controller) JoinShipGroupToFleet(raceName, fleetName string, group, count uint) error {