package slapshotapi

import (
	"context"
	"fmt"
	"strings"

	"github.com/pkg/errors"
)

type endpointGame struct {
	gameID string
}

func getEndpointGame(gameID string) *endpointGame {
	return &endpointGame{
		gameID: gameID,
	}
}

func (ep *endpointGame) path() string {
	return fmt.Sprintf("/api/public/games/%s", ep.gameID)
}

func (ep *endpointGame) method() string {
	return "GET"
}

// ErrGameNotFound is returned when a game ID does not match any known game
var ErrGameNotFound = errors.New("game not found")

// GetGame retrieves match details for a specific game by its ID.
func (c *SlapAPI) GetGame(
	ctx context.Context,
	gameID string,
) (*Game, error) {
	if gameID == "" {
		return nil, errors.New("gameID cannot be empty")
	}
	endpoint := getEndpointGame(gameID)
	data, err := c.request(ctx, endpoint)
	if err != nil {
		if strings.Contains(err.Error(), "404") {
			return nil, ErrGameNotFound
		}
		return nil, errors.Wrap(err, "c.request")
	}
	game, err := unmarshal[Game](data)
	if err != nil {
		return nil, errors.Wrap(err, "unmarshal")
	}
	return game, nil
}