package game

import (
	"encoding/json"
	"fmt"
	"maps"

	"github.com/google/uuid"
)

type TechSet map[Tech]float64

func (ts TechSet) Value(t Tech) float64 {
	if v, ok := ts[t]; ok {
		return v
	} else {
		panic(fmt.Sprintf("TechSet: Value: %s's value not set", t.String()))
	}
}

func (ts TechSet) Set(t Tech, v float64) TechSet {
	m := maps.Clone(ts)
	m[t] = v
	return m
}

type Game struct {
	ID         uuid.UUID   `json:"id"`
	Age        uint        `json:"turn"` // Game's turn number
	Map        Map         `json:"map"`
	Race       []Race      `json:"races"`
	ShipGroups []ShipGroup `json:"shipGroup,omitempty"`
	Fleets     []Fleet     `json:"fleet,omitempty"`
}

func (g Game) Votes(raceID uuid.UUID) float64 {
	// XXX: calculate [Race]Population once when loading Game from Storage?
	var pop float64
	for i := range g.Map.Planet {
		if g.Map.Planet[i].Owner == raceID {
			pop += g.Map.Planet[i].Population
		}
	}
	return pop / 1000.
}

func (g Game) MarshalBinary() (data []byte, err error) {
	return json.Marshal(&g)
}

func (g *Game) UnmarshalBinary(data []byte) error {
	return json.Unmarshal(data, g)
}