package api

import (
	"context"
	"database/sql"
	"time"

	"github.com/cosmic-clash/cosmic-clash/server/store"
)

// AssignmentProviderFromStore adapts the durable player-scoped assignment
// projection to the HTTP boundary. The store query filters expiry and binds
// both match and player; the API still performs its response-shape checks.
func AssignmentProviderFromStore(db *sql.DB) AssignmentProvider {
	return func(ctx context.Context, playerID, matchID string, now time.Time) (AssignmentView, error) {
		assignment, err := store.GetAssignment(ctx, db, playerID, matchID, now)
		if err != nil {
			return AssignmentView{}, err
		}
		return AssignmentView{
			MatchID:           assignment.MatchID,
			ServerID:          assignment.ServerID,
			PlayerID:          assignment.PlayerID,
			Slot:              assignment.Slot,
			ExpiresAt:         assignment.ExpiresAt,
			ProtocolVersion:   assignment.ProtocolVersion,
			Transport:         assignment.Transport,
			JoinAuthorisation: assignment.JoinAuthorisation,
		}, nil
	}
}