package e2e

import (
	"encoding/json"
	"os"
	"path/filepath"
	"time"
)

// agentDebugLog appends one NDJSON line for debug-mode hypothesis testing.
// Best-effort only — never fails the suite.
func agentDebugLog(hypothesisID, location, message string, data map[string]any) {
	// #region agent log
	payload := map[string]any{
		"sessionId":    "816647",
		"hypothesisId": hypothesisID,
		"location":     location,
		"message":      message,
		"data":         data,
		"timestamp":    time.Now().UnixMilli(),
		"runId":        "pre-fix",
	}
	b, err := json.Marshal(payload)
	if err != nil {
		return
	}
	b = append(b, '\n')
	// Prefer repo-root log (workspace); also try cwd-relative for CI artifacts.
	paths := []string{
		filepath.Join("..", "..", "debug-816647.log"),
		"debug-816647.log",
	}
	if wd, err := os.Getwd(); err == nil {
		paths = append([]string{filepath.Join(wd, "..", "..", "debug-816647.log")}, paths...)
	}
	for _, p := range paths {
		f, err := os.OpenFile(p, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644)
		if err != nil {
			continue
		}
		_, _ = f.Write(b)
		_ = f.Close()
		return
	}
	// #endregion
}