// ai_transform_run — 使用已編譯的 transform_id 執行轉換
// Phase 0: stub 實作，直接回傳 input
//
//go:build tinygo

package main

import (
	"encoding/json"
	"io"
	"os"
)

type Input struct {
	TransformID string          `json:"transform_id"`
	Input       json.RawMessage `json:"input"`
}

func main() {
	raw, err := io.ReadAll(os.Stdin)
	if err != nil {
		writeError("failed to read stdin: " + err.Error())
		return
	}
	var input Input
	if err := json.Unmarshal(raw, &input); err != nil {
		writeError("invalid input JSON: " + err.Error())
		return
	}
	if input.TransformID == "" {
		writeError("transform_id 必填")
		return
	}

	out, _ := json.Marshal(map[string]interface{}{
		"success": true,
		"data": map[string]interface{}{
			"result":       input.Input,
			"transform_id": input.TransformID,
		},
	})
	os.Stdout.Write(out)
}

func writeError(msg string) {
	out, _ := json.Marshal(map[string]interface{}{"success": false, "error": msg})
	os.Stdout.Write(out)
}