package toolhost

import (
	"context"
	"fmt"
	"time"

	"laodingbot/internal/config"
	"laodingbot/internal/logger"
	"laodingbot/internal/tools"
	"laodingbot/tools/fileoperation"
	"laodingbot/tools/shell"
	"laodingbot/tools/websearch"
)

func RunChild(ctx context.Context, cfg config.Config, log *logger.Logger) error {
	var registryLog *logger.Logger
	var fileLog *logger.Logger
	var shellLog *logger.Logger
	var searchLog *logger.Logger
	var serverLog *logger.Logger
	if log != nil {
		log.Infof("toolhost child starting")
		registryLog = log.WithComponent("toolhost.registry")
		fileLog = log.WithComponent("toolhost.file")
		shellLog = log.WithComponent("toolhost.shell")
		searchLog = log.WithComponent("toolhost.websearch")
		serverLog = log.WithComponent("toolhost.server")
	}
	registry := tools.NewRegistry(registryLog)
	registry.Register(fileoperation.New(cfg.Security.AllowedDirs, cfg.ToolOutputMaxChars, fileLog))
	registry.Register(shell.New(
		cfg.Security.AllowedCommands,
		cfg.Security.WorkDir,
		time.Duration(cfg.ToolCallTimeoutSec)*time.Second,
		cfg.ToolOutputMaxChars,
		shellLog,
	))
	registry.Register(websearch.New(
		websearch.Config{
			Engine: cfg.WebSearch.Engine,
			APIKey: cfg.WebSearch.APIKey,
		},
		cfg.ToolOutputMaxChars,
		searchLog,
	))

	server := NewServer(registry, serverLog)
	if err := server.Serve(ctx, stdin(), stdout()); err != nil && ctx.Err() == nil {
		return fmt.Errorf("toolhost serve failed: %w", err)
	}
	if log != nil {
		log.Infof("toolhost child stopped")
	}
	return nil
}