package game

import (
	"encoding/json"
	"fmt"
	"os"
	"sirlab.de/go/knyt/engine"
	"sirlab.de/go/knyt/quote"
)

func NewGameFromFile(id, fileName string) (*Game, error) {
	jsonBytes, err := os.ReadFile(fileName)
	if err != nil {
		return nil, err
	}

	var gmJson GameJson
	if err := json.Unmarshal(jsonBytes, &gmJson); err != nil {
		return nil, fmt.Errorf("%s: %v\n", fileName, err)
	} else {
		gm := Game{
			id:      id,
			name:    gmJson.Name,
			eng:     engine.NewEngine(),
			players: make(map[string]playerInfo),
			state:   STATE_IDLE,
			quotes:  make(map[string]*quote.Quote, 0),
		}

		go gm.eng.Run(gm.populateSyncDataCb)

		return &gm, nil
	}
}

func (gm *Game) GetId() string {
	gm.mu.Lock()
	defer gm.mu.Unlock()

	return gm.id
}

func (gm *Game) GetState() string {
	gm.mu.Lock()
	defer gm.mu.Unlock()

	return gm.state
}

func (gm *Game) GetName() string {
	gm.mu.Lock()
	defer gm.mu.Unlock()

	return gm.name
}

func (gm *Game) GetEngine() *engine.Engine {
	gm.mu.Lock()
	defer gm.mu.Unlock()

	return gm.eng
}