package testkit

import (
	"context"

	"galaxy/authsession/internal/ports"
)

// StaticConfigProvider is a deterministic ConfigProvider double that returns a
// preconfigured session-limit value or error.
type StaticConfigProvider struct {
	// Config stores the configuration returned when Err is nil.
	Config ports.SessionLimitConfig

	// Err is returned directly from LoadSessionLimit when set.
	Err error
}

// LoadSessionLimit returns the preconfigured session-limit result.
func (p StaticConfigProvider) LoadSessionLimit(ctx context.Context) (ports.SessionLimitConfig, error) {
	if err := ctx.Err(); err != nil {
		return ports.SessionLimitConfig{}, err
	}
	if p.Err != nil {
		return ports.SessionLimitConfig{}, p.Err
	}
	if err := p.Config.Validate(); err != nil {
		return ports.SessionLimitConfig{}, err
	}

	return p.Config, nil
}

var _ ports.ConfigProvider = StaticConfigProvider{}