package toolhost

import (
	"context"
	"fmt"
	"time"

	"laodingbot/internal/config"
	"laodingbot/internal/logger"
	"laodingbot/internal/tools"
	"laodingbot/tools/filedoc"
	"laodingbot/tools/fileoperation"
	"laodingbot/tools/git"
	"laodingbot/tools/giteaticket"
	"laodingbot/tools/piplan"
	"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 gitLog *logger.Logger
	var shellLog *logger.Logger
	var searchLog *logger.Logger
	var fileDocLog *logger.Logger
	var piPlanLog *logger.Logger
	var giteaTicketLog *logger.Logger
	var serverLog *logger.Logger
	if log != nil {
		log.Infof("toolhost child starting")
		registryLog = log.WithComponent("toolhost.registry")
		fileLog = log.WithComponent("toolhost.file")
		gitLog = log.WithComponent("toolhost.git")
		shellLog = log.WithComponent("toolhost.shell")
		searchLog = log.WithComponent("toolhost.websearch")
		fileDocLog = log.WithComponent("toolhost.filedoc")
		piPlanLog = log.WithComponent("toolhost.piplan")
		giteaTicketLog = log.WithComponent("toolhost.giteaticket")
		serverLog = log.WithComponent("toolhost.server")
	}
	registry := tools.NewRegistry(registryLog)
	registry.Register(fileoperation.New(cfg.Security.AllowedDirs, cfg.ToolOutputMaxChars, fileLog))
	registry.Register(git.New(
		cfg.Security.WorkDir,
		time.Duration(cfg.ToolCallTimeoutSec)*time.Second,
		cfg.ToolOutputMaxChars,
		gitLog,
	))
	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,
	))
	registry.Register(filedoc.New(
		filedoc.Config{
			APIKey:  cfg.LLM.APIKey,
			BaseURL: cfg.LLM.BaseURL,
			Model:   cfg.LLM.FileModel,
			Timeout: time.Duration(cfg.ToolCallTimeoutSec) * time.Second,
		},
		cfg.ToolOutputMaxChars,
		fileDocLog,
	))
	registry.Register(piplan.New(cfg.PIPlanMaxChars, piPlanLog))
	registry.Register(giteaticket.New(
		giteaticket.Config{
			BaseURL: cfg.Gitea.BaseURL,
			Token:   cfg.Gitea.Token,
			Owner:   cfg.Gitea.Owner,
			Repo:    cfg.Gitea.Repo,
			Timeout: time.Duration(cfg.ToolCallTimeoutSec) * time.Second,
		},
		giteaTicketLog,
	))

	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
}