package executor import (	"bytes"	"context"	"fmt"	"net/http"	"strings"	"sync"	"time" 	"github.com/router-for-me/CLIProxyAPI/v6/internal/auth/gemini"	"github.com/router-for-me/CLIProxyAPI/v6/internal/config"	"github.com/router-for-me/CLIProxyAPI/v6/internal/interfaces"	geminiwebapi "github.com/router-for-me/CLIProxyAPI/v6/internal/provider/gemini-web"	conversation "github.com/router-for-me/CLIProxyAPI/v6/internal/provider/gemini-web/conversation"	cliproxyauth "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/auth"	cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/executor"	sdktranslator "github.com/router-for-me/CLIProxyAPI/v6/sdk/translator"	log "github.com/sirupsen/logrus") type GeminiWebExecutor struct {	cfg *config.Config	mu  sync.Mutex} func NewGeminiWebExecutor(cfg *config.Config) *GeminiWebExecutor {	return &GeminiWebExecutor{cfg: cfg}} func (e *GeminiWebExecutor) Identifier() string { return "gemini-web" } func (e *GeminiWebExecutor) PrepareRequest(_ *http.Request, _ *cliproxyauth.Auth) error { return nil } func (e *GeminiWebExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {	state, err := e.stateFor(auth)	if err != nil {		return cliproxyexecutor.Response{}, err	}	if err = state.EnsureClient(); err != nil {		return cliproxyexecutor.Response{}, err	}	match := extractGeminiWebMatch(opts.Metadata)	reporter := newUsageReporter(ctx, e.Identifier(), req.Model, auth) 	mutex := state.GetRequestMutex()	if mutex != nil {		mutex.Lock()		defer mutex.Unlock()		if match != nil {			state.SetPendingMatch(match)		}	} else if match != nil {		state.SetPendingMatch(match)	} 	payload := bytes.Clone(req.Payload)	resp, errMsg, prep := state.Send(ctx, req.Model, payload, opts)	if errMsg != nil {		return cliproxyexecutor.Response{}, geminiWebErrorFromMessage(errMsg)	}	resp = state.ConvertToTarget(ctx, req.Model, prep, resp)	reporter.publish(ctx, parseGeminiUsage(resp)) 	from := opts.SourceFormat	to := sdktranslator.FromString("gemini-web")	var param any	out := sdktranslator.TranslateNonStream(ctx, to, from, req.Model, bytes.Clone(opts.OriginalRequest), payload, bytes.Clone(resp), &param) 	return cliproxyexecutor.Response{Payload: []byte(out)}, nil} func (e *GeminiWebExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (<-chan cliproxyexecutor.StreamChunk, error) {	state, err := e.stateFor(auth)	if err != nil {		return nil, err	}	if err = state.EnsureClient(); err != nil {		return nil, err	}	match := extractGeminiWebMatch(opts.Metadata)	reporter := newUsageReporter(ctx, e.Identifier(), req.Model, auth) 	mutex := state.GetRequestMutex()	if mutex != nil {		mutex.Lock()		if match != nil {			state.SetPendingMatch(match)		}	}	if mutex == nil && match != nil {		state.SetPendingMatch(match)	} 	gemBytes, errMsg, prep := state.Send(ctx, req.Model, bytes.Clone(req.Payload), opts)	if errMsg != nil {		if mutex != nil {			mutex.Unlock()		}		return nil, geminiWebErrorFromMessage(errMsg)	}	reporter.publish(ctx, parseGeminiUsage(gemBytes)) 	from := opts.SourceFormat	to := sdktranslator.FromString("gemini-web")	var param any 	lines := state.ConvertStream(ctx, req.Model, prep, gemBytes)	done := state.DoneStream(ctx, req.Model, prep)	out := make(chan cliproxyexecutor.StreamChunk)	go func() {		defer close(out)		if mutex != nil {			defer mutex.Unlock()		}		for _, line := range lines {			lines = sdktranslator.TranslateStream(ctx, to, from, req.Model, bytes.Clone(opts.OriginalRequest), req.Payload, bytes.Clone([]byte(line)), &param)			for _, l := range lines {				out <- cliproxyexecutor.StreamChunk{Payload: []byte(l)}			}		}		for _, line := range done {			lines = sdktranslator.TranslateStream(ctx, to, from, req.Model, bytes.Clone(opts.OriginalRequest), req.Payload, bytes.Clone([]byte(line)), &param)			for _, l := range lines {				out <- cliproxyexecutor.StreamChunk{Payload: []byte(l)}			}		}	}()	return out, nil} func (e *GeminiWebExecutor) CountTokens(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {	return cliproxyexecutor.Response{Payload: []byte{}}, fmt.Errorf("not implemented")} func (e *GeminiWebExecutor) Refresh(ctx context.Context, auth *cliproxyauth.Auth) (*cliproxyauth.Auth, error) {	log.Debugf("gemini web executor: refresh called")	state, err := e.stateFor(auth)	if err != nil {		return nil, err	}	if err = state.Refresh(ctx); err != nil {		return nil, err	}	ts := state.TokenSnapshot()	if auth.Metadata == nil {		auth.Metadata = make(map[string]any)	}	auth.Metadata["secure_1psid"] = ts.Secure1PSID	auth.Metadata["secure_1psidts"] = ts.Secure1PSIDTS	auth.Metadata["type"] = "gemini-web"	auth.Metadata["last_refresh"] = time.Now().Format(time.RFC3339)	if v, ok := auth.Metadata["label"].(string); !ok || strings.TrimSpace(v) == "" {		if lbl := state.Label(); strings.TrimSpace(lbl) != "" {			auth.Metadata["label"] = strings.TrimSpace(lbl)		}	}	return auth, nil} type geminiWebRuntime struct {	state *geminiwebapi.GeminiWebState} func (e *GeminiWebExecutor) stateFor(auth *cliproxyauth.Auth) (*geminiwebapi.GeminiWebState, error) {	if auth == nil {		return nil, fmt.Errorf("gemini-web executor: auth is nil")	}	if runtime, ok := auth.Runtime.(*geminiWebRuntime); ok && runtime != nil && runtime.state != nil {		return runtime.state, nil	} 	e.mu.Lock()	defer e.mu.Unlock() 	if runtime, ok := auth.Runtime.(*geminiWebRuntime); ok && runtime != nil && runtime.state != nil {		return runtime.state, nil	} 	ts, err := parseGeminiWebToken(auth)	if err != nil {		return nil, err	} 	cfg := e.cfg	if auth.ProxyURL != "" && cfg != nil {		copyCfg := *cfg		copyCfg.ProxyURL = auth.ProxyURL		cfg = &copyCfg	} 	storagePath := ""	if auth.Attributes != nil {		if p, ok := auth.Attributes["path"]; ok {			storagePath = p		}	}	state := geminiwebapi.NewGeminiWebState(cfg, ts, storagePath, auth.Label)	runtime := &geminiWebRuntime{state: state}	auth.Runtime = runtime	return state, nil} func parseGeminiWebToken(auth *cliproxyauth.Auth) (*gemini.GeminiWebTokenStorage, error) {	if auth == nil {		return nil, fmt.Errorf("gemini-web executor: auth is nil")	}	if auth.Metadata == nil {		return nil, fmt.Errorf("gemini-web executor: missing metadata")	}	psid := stringFromMetadata(auth.Metadata, "secure_1psid", "secure_1psid", "__Secure-1PSID")	psidts := stringFromMetadata(auth.Metadata, "secure_1psidts", "secure_1psidts", "__Secure-1PSIDTS")	if psid == "" || psidts == "" {		return nil, fmt.Errorf("gemini-web executor: incomplete cookie metadata")	}	label := strings.TrimSpace(stringFromMetadata(auth.Metadata, "label"))	return &gemini.GeminiWebTokenStorage{Secure1PSID: psid, Secure1PSIDTS: psidts, Label: label}, nil} func stringFromMetadata(meta map[string]any, keys ...string) string {	for _, key := range keys {		if val, ok := meta[key]; ok {			if s, okStr := val.(string); okStr && s != "" {				return s			}		}	}	return ""} func geminiWebErrorFromMessage(msg *interfaces.ErrorMessage) error {	if msg == nil {		return nil	}	return geminiWebError{message: msg}} type geminiWebError struct {	message *interfaces.ErrorMessage} func (e geminiWebError) Error() string {	if e.message == nil {		return "gemini-web error"	}	if e.message.Error != nil {		return e.message.Error.Error()	}	return fmt.Sprintf("gemini-web error: status %d", e.message.StatusCode)} func (e geminiWebError) StatusCode() int {	if e.message == nil {		return 0	}	return e.message.StatusCode} func extractGeminiWebMatch(metadata map[string]any) *conversation.MatchResult {	if metadata == nil {		return nil	}	value, ok := metadata[conversation.MetadataMatchKey]	if !ok {		return nil	}	switch v := value.(type) {	case *conversation.MatchResult:		return v	case conversation.MatchResult:		return &v	default:		return nil	}}