// Package ports defines service interfaces (input ports) for the domain layer.
// These interfaces define the operations that can be performed on the domain
// and are implemented by domain services.
package ports

import (
	"context"

	"github.com/router-for-me/CLIProxyAPI/v6/internal/config"
)

// ConfigService defines operations for configuration management
type ConfigService interface {
	// GetConfig retrieves the current configuration
	GetConfig(ctx context.Context) (*config.Config, error)

	// UpdateConfig updates the entire configuration
	UpdateConfig(ctx context.Context, cfg *config.Config) error

	// UpdateField updates a single configuration field
	UpdateField(ctx context.Context, field string, value interface{}) error

	// UpdateAPIKeys updates the API keys list
	UpdateAPIKeys(ctx context.Context, keys []string) error

	// UpdateGeminiKeys updates the Gemini keys list
	UpdateGeminiKeys(ctx context.Context, keys []config.GeminiKey) error

	// UpdateClaudeKeys updates the Claude keys list
	UpdateClaudeKeys(ctx context.Context, keys []config.ClaudeKey) error

	// UpdateCodexKeys updates the Codex keys list
	UpdateCodexKeys(ctx context.Context, keys []config.CodexKey) error

	// UpdateOpenAICompatibility updates the OpenAI compatibility entries
	UpdateOpenAICompatibility(ctx context.Context, entries []config.OpenAICompatibility) error

	// UpdateVertexCompatKeys updates the Vertex compatibility keys
	UpdateVertexCompatKeys(ctx context.Context, keys []config.VertexCompatKey) error

	// UpdateKiroKeys updates the Kiro keys list
	UpdateKiroKeys(ctx context.Context, keys []config.KiroKey) error

	// UpdateOAuthExcludedModels updates OAuth excluded models
	UpdateOAuthExcludedModels(ctx context.Context, models map[string][]string) error

	// UpdateOAuthModelAlias updates OAuth model aliases
	UpdateOAuthModelAlias(ctx context.Context, aliases map[string][]config.OAuthModelAlias) error

	// UpdateAmpCode updates the AmpCode configuration
	UpdateAmpCode(ctx context.Context, ampCode config.AmpCode) error

	// UpdateAmpUpstreamURL updates the Amp upstream URL
	UpdateAmpUpstreamURL(ctx context.Context, url string) error

	// UpdateAmpModelMappings updates Amp model mappings
	UpdateAmpModelMappings(ctx context.Context, mappings []config.AmpModelMapping) error

	// UpdateAmpUpstreamAPIKeys updates Amp upstream API keys
	UpdateAmpUpstreamAPIKeys(ctx context.Context, keys []config.AmpUpstreamAPIKeyEntry) error

	// UpdateDebug updates the debug setting
	UpdateDebug(ctx context.Context, enabled bool) error

	// UpdateUsageStatisticsEnabled updates the usage statistics enabled setting
	UpdateUsageStatisticsEnabled(ctx context.Context, enabled bool) error

	// UpdateLoggingToFile updates the logging to file setting
	UpdateLoggingToFile(ctx context.Context, enabled bool) error

	// UpdateLogsMaxTotalSizeMB updates the max log size
	UpdateLogsMaxTotalSizeMB(ctx context.Context, sizeMB int) error

	// UpdateRequestLog updates the request log setting
	UpdateRequestLog(ctx context.Context, enabled bool) error

	// UpdateWebsocketAuth updates the websocket auth setting
	UpdateWebsocketAuth(ctx context.Context, enabled bool) error

	// UpdateRequestRetry updates the request retry count
	UpdateRequestRetry(ctx context.Context, retry int) error

	// UpdateMaxRetryInterval updates the max retry interval
	UpdateMaxRetryInterval(ctx context.Context, interval int) error

	// UpdateForceModelPrefix updates the force model prefix setting
	UpdateForceModelPrefix(ctx context.Context, enabled bool) error

	// UpdateRoutingStrategy updates the routing strategy
	UpdateRoutingStrategy(ctx context.Context, strategy string) error

	// UpdateProxyURL updates the proxy URL
	UpdateProxyURL(ctx context.Context, url string) error

	// UpdateRemoteManagement updates the remote management settings
	UpdateRemoteManagement(ctx context.Context, allowRemote bool, secretHash string) error

	// UpdateQuotaExceeded updates the quota exceeded settings
	UpdateQuotaExceeded(ctx context.Context, switchProject, switchPreviewModel bool) error

	// Validate validates the current configuration
	Validate(ctx context.Context) error

	// ValidateConfig validates a specific configuration
	ValidateConfig(ctx context.Context, cfg *config.Config) error

	// GetLatestVersion retrieves the latest version from GitHub
	GetLatestVersion(ctx context.Context) (string, error)
}

// AuthFileService defines operations for authentication file management
type AuthFileService interface {
	// ListAuthFiles retrieves all authentication files
	ListAuthFiles(ctx context.Context) ([]*AuthFile, error)

	// GetAuthFile retrieves a single authentication file by ID
	GetAuthFile(ctx context.Context, id string) (*AuthFile, error)

	// GetAuthFileModels retrieves models supported by an auth file
	GetAuthFileModels(ctx context.Context, id string) ([]*AuthFileModel, error)

	// UploadAuthFile uploads a new authentication file
	UploadAuthFile(ctx context.Context, filename string, data []byte) (*AuthFile, error)

	// DownloadAuthFile retrieves the raw content of an auth file
	DownloadAuthFile(ctx context.Context, id string) ([]byte, error)

	// DeleteAuthFile deletes an authentication file
	DeleteAuthFile(ctx context.Context, id string) error

	// DeleteAllAuthFiles deletes all authentication files
	DeleteAllAuthFiles(ctx context.Context) (int, error)

	// DisableAuthFile disables an authentication file
	DisableAuthFile(ctx context.Context, id string) error

	// EnableAuthFile enables an authentication file
	EnableAuthFile(ctx context.Context, id string) error

	// RefreshAuthToken refreshes the token for an auth file
	RefreshAuthToken(ctx context.Context, id string) error
}

// AuthFileModel represents a model supported by an auth file
type AuthFileModel struct {
	ID          string
	DisplayName string
	Type        string
	OwnedBy     string
}

// LogService defines operations for log management
type LogService interface {
	// GetLogs retrieves log entries with optional filtering
	GetLogs(ctx context.Context, after int64, limit int) (*LogContent, error)

	// DeleteLogs removes all log files
	DeleteLogs(ctx context.Context) (*DeleteLogResult, error)

	// GetRequestErrorLogs retrieves error request log files
	GetRequestErrorLogs(ctx context.Context) ([]*LogFileInfo, error)

	// GetRequestLogByID retrieves a specific request log by ID
	GetRequestLogByID(ctx context.Context, requestID string) ([]byte, error)

	// DownloadRequestErrorLog downloads a specific error log file
	DownloadRequestErrorLog(ctx context.Context, filename string) ([]byte, error)
}

// UsageService defines operations for usage statistics
type UsageService interface {
	// GetUsageStatistics retrieves current usage statistics
	GetUsageStatistics(ctx context.Context) (*UsageStatistics, error)

	// ExportUsageStatistics exports statistics for backup
	ExportUsageStatistics(ctx context.Context) (*UsageStatistics, error)

	// ImportUsageStatistics imports statistics from backup
	ImportUsageStatistics(ctx context.Context, stats *UsageStatistics) (*ImportResult, error)
}

// OAuthService defines operations for OAuth authentication
type OAuthService interface {
	// InitiateAuth initiates OAuth authentication for a provider
	InitiateAuth(ctx context.Context, provider string, options *OAuthOptions) (*OAuthInitResult, error)

	// CompleteAuth completes OAuth authentication with a code
	CompleteAuth(ctx context.Context, state string, code string) (*AuthFile, error)

	// GetAuthStatus retrieves the status of an OAuth session
	GetAuthStatus(ctx context.Context, state string) (*OAuthSessionStatus, error)

	// CancelAuth cancels an ongoing OAuth session
	CancelAuth(ctx context.Context, state string) error
}

// OAuthOptions contains options for OAuth initiation
type OAuthOptions struct {
	IsWebUI   bool
	ProjectID string
	Cookie    string
}

// OAuthInitResult contains the result of OAuth initiation
type OAuthInitResult struct {
	AuthURL string
	State   string
}

// OAuthSessionStatus represents the status of an OAuth session
type OAuthSessionStatus struct {
	State    string
	Status   string // "pending", "complete", "error"
	Error    string
	Provider string
}

// ManagementService defines operations for management functionality
type ManagementService interface {
	// VerifyManagementKey verifies a management key
	VerifyManagementKey(ctx context.Context, key string, clientIP string) error

	// IsRemoteAllowed checks if remote management is allowed for a client
	IsRemoteAllowed(ctx context.Context, clientIP string) bool

	// RecordFailedAttempt records a failed authentication attempt
	RecordFailedAttempt(ctx context.Context, clientIP string)

	// IsBlocked checks if a client IP is blocked
	IsBlocked(ctx context.Context, clientIP string) (bool, string)

	// GetVersionInfo retrieves version information
	GetVersionInfo(ctx context.Context) (*VersionInfo, error)
}

// VersionInfo contains version information
type VersionInfo struct {
	Version   string
	Commit    string
	BuildDate string
}

// APICallService defines operations for API calls
type APICallService interface {
	// MakeAPICall makes a generic HTTP API call
	MakeAPICall(ctx context.Context, req *APICallRequest) (*APICallResponse, error)

	// ResolveToken resolves a token for an auth index
	ResolveToken(ctx context.Context, authIndex string) (string, error)
}

// APICallRequest contains parameters for an API call
type APICallRequest struct {
	AuthIndex string
	Method    string
	URL       string
	Headers   map[string]string
	Body      string
}

// APICallResponse contains the response from an API call
type APICallResponse struct {
	StatusCode int
	Headers    map[string][]string
	Body       string
}