package main

import (
	"path/filepath"
	"strings"

	"git.yeij.top/AskaEth/Cyrene_v2/internal/logger"
	"git.yeij.top/AskaEth/Cyrene_v2/internal/runtime/multimodal/vision"
)

// visionToolName and ocrToolName are the registered names of the vision and OCR
// tools. They are bound to the tool registration here and advertised to the
// agent by the tool dispatcher.
const (
	visionToolName = "vision"
	ocrToolName    = "ocr"
)

// wireVision registers the vision and OCR tools and the vision model routing.
//
// The vision adapter is an OpenAI-compatible /chat/completions endpoint on the
// same base URL as the chat LLM (LLM_BASE_URL), using the dedicated model
// (LLM_VISION_MODEL) when set. When no base URL is configured the tools are
// skipped with a warning so startup never blocks; the model router is still
// bound to the vision model (in wireRuntime) whenever one is configured.
func (a *app) wireVision() {
	log := logger.WithSource(a.log, "cmd/cyrene")
	if strings.TrimSpace(a.cfg.LLM.BaseURL) == "" {
		log.Warn("vision/ocr tools skipped: no LLM base url configured")
		return
	}
	adapter := vision.NewOpenAICompatible(a.cfg.LLM,
		vision.WithModel(a.cfg.LLM.VisionModel),
		// 同源 upload 产物（`/api/v1/files/<name>`）走**本地读取**：与自己取回相比更快，
		// 且在「服务端路由不到自己的广告 host」（如安卓模拟器 10.0.2.2、反向代理改写）
		// 的部署下才取得到图。目录必须与 upload 的落盘位置一致 = `<DataDir>/uploads`。
		vision.WithUploadsDir(filepath.Join(resolveDataDir(a.cfg), "uploads")),
		vision.WithLogger(a.log))
	if err := vision.RegisterTools(a.caps,
		vision.NewVisionTool(visionToolName, adapter),
		vision.NewOCRTool(ocrToolName, adapter),
	); err != nil {
		log.Warn("vision/ocr tool register skipped", "error", err)
		return
	}
	log.Info("vision/ocr tools registered", "vision_model", a.cfg.LLM.VisionModel)
}