package pgn

import (
	"fmt"

	"code.c-base.org/gochess/libchess/pkg/board"
	"code.c-base.org/gochess/libchess/pkg/game"
	"code.c-base.org/gochess/libchess/pkg/pgn/move"
)

// Game represents a PGN game.
type Game struct {
	Tags  []game.Tag
	Moves []string
}

func newGame() *Game {
	return &Game{
		Tags:  []game.Tag{},
		Moves: []string{},
	}
}

// Game returns a *game.Game representation of this PGN game.
func (g *Game) Game() (*game.Game, error) {
	// parse all moves
	moves := make([]*board.Move, len(g.Moves))
	for i, _m := range g.Moves {
		m, err := move.NewParser(_m).Move()
		if err != nil {
			return nil, err
		}
		moves[i] = m
	}
	// return initialized *game.Game
	return &game.Game{
		Tags:  g.Tags,
		Moves: moves,
	}, nil
}

func (g Game) String() string {
	return fmt.Sprintf("<Game(Tags: %q, Moves: %q)>", g.Tags, g.Moves)
}