package rules

import (
	"github.com/betterleaks/betterleaks/cmd/generate/config/utils"
	"github.com/betterleaks/betterleaks/cmd/generate/secrets"
	"github.com/betterleaks/betterleaks/config"
)

func Cerebras() *config.Rule {
	r := config.Rule{
		RuleID:      "cerebras-api-key",
		Description: "Identified a Cerebras AI API Key, which may expose AI inference services to unauthorized access.",
		Regex:       utils.GenerateUniqueTokenRegex(`csk-[a-z0-9]{48}`, true),
		Keywords:    []string{"csk-"},
		ValidateCEL: `cel.bind(r,
  http.get("https://api.cerebras.ai/v1/models", {
    "Authorization": "Bearer " + finding["secret"]
  }),
  r.status == 200 && r.body.contains('"object"') && r.body.contains('"data"') ? {
    "result": "valid"
  } : r.status in [401, 403] ? {
    "result": "invalid",
    "reason": "Unauthorized"
  } : unknown(r)
)`,
		Filter: `entropy(finding["secret"]) <= 3.0`,
	}

	tps := utils.GenerateSampleSecrets("cerebras", "csk-"+secrets.NewSecretWithEntropy(utils.AlphaNumeric("48"), 3.0))
	fps := []string{
		// Too short
		`csk-6nptf4w5cx36fw58t3hkx`,
		// Wrong prefix
		`bsk-6nptf4w5cx36fw58t3hkx48jvm52wm693pex5tjm29kn55yt`,
	}
	return utils.Validate(r, tps, fps)
}
