package platform

import (
	"sync"

	"git.nakama.town/fmartingr/butterrobot/internal/model"
)

var (
	// platforms holds all registered chat platforms
	platforms = make(map[string]model.Platform)

	// platformsMu protects the platforms map
	platformsMu sync.RWMutex
)

// Register registers a platform with the given ID
func Register(id string, platform model.Platform) {
	platformsMu.Lock()
	defer platformsMu.Unlock()
	platforms[id] = platform
}

// Get returns a platform by ID
func Get(id string) (model.Platform, error) {
	platformsMu.RLock()
	defer platformsMu.RUnlock()

	platform, exists := platforms[id]
	if !exists {
		return nil, model.ErrPlatformNotFound
	}

	return platform, nil
}

// GetAvailablePlatforms returns all registered platforms
func GetAvailablePlatforms() map[string]model.Platform {
	platformsMu.RLock()
	defer platformsMu.RUnlock()

	// Create a copy to avoid race conditions
	result := make(map[string]model.Platform, len(platforms))
	for id, platform := range platforms {
		result[id] = platform
	}

	return result
}