package integrations

import (
	"log"
	"strings"

	"gitea.dooplex.hu/admin/felhom-controller/internal/stacks"
)

// IntegrationKey builds the settings key: "provider:target".
func IntegrationKey(provider, target string) string {
	return provider + ":" + target
}

// ParseIntegrationKey splits "provider:target" into its components.
func ParseIntegrationKey(key string) (provider, target string, ok bool) {
	parts := strings.SplitN(key, ":", 2)
	if len(parts) != 2 || parts[0] == "" || parts[1] == "" {
		return "", "", false
	}
	return parts[0], parts[1], true
}

// ApplyContext holds all context needed by an integration handler.
type ApplyContext struct {
	ProviderName string            // e.g., "onlyoffice"
	TargetName   string            // e.g., "filebrowser"
	Domain       string            // e.g., "demo-felhom.eu"
	ProviderEnv  map[string]string // decrypted app.yaml env of provider
	ProviderMeta *stacks.Metadata
	StacksDir    string
	Logger       *log.Logger
	RestartStack func(name string) error // restart via stacks.Manager
}

// Handler defines the interface for a concrete integration handler.
// Each provider:target pair has one Handler implementation.
type Handler interface {
	// Apply enables the integration (writes configs, runs commands, restarts containers).
	Apply(ac *ApplyContext) error
	// Revoke disables the integration (removes configs, runs commands, restarts containers).
	Revoke(ac *ApplyContext) error
}

// StatusInfo is returned by the API for UI display.
type StatusInfo struct {
	Key            string `json:"key"`              // "onlyoffice:filebrowser"
	Provider       string `json:"provider"`
	Target         string `json:"target"`
	Label          string `json:"label"`
	Description    string `json:"description"`
	Enabled        bool   `json:"enabled"`
	Status         string `json:"status"`           // "active", "error", "disabled", "provider_stopped", "target_unavailable"
	LastError      string `json:"last_error,omitempty"`
	TargetDeployed bool   `json:"target_deployed"`
	TargetRunning  bool   `json:"target_running"`
}