package rules

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

func LinearAPIToken() *config.Rule {
	// define rule
	r := config.Rule{
		RuleID:      "linear-api-key",
		Description: "Detected a Linear API Token, posing a risk to project management tools and sensitive task data.",
		Regex:       regexp.MustCompile(`lin_api_(?i)[a-z0-9]{40}`),
		Keywords:    []string{"lin_api_"},
		ValidateExpr: `let r = http.post("https://api.linear.app/graphql", {
    "Authorization": finding["secret"],
    "Content-Type": "application/json"
  }, "{\"query\": \"query { viewer { id name email } }\"}"); r.status == 200 && (r.body contains "\"data\"") && (r.body contains "\"viewer\"") ? {
    "result": "valid",
    "email": (r.json?.data?.viewer?.email ?? ""),
    "name": (r.json?.data?.viewer?.name ?? "")
  } : r.status in [401, 403] ? {
    "result": "invalid",
    "reason": "Unauthorized"
  } : validate.unknown(r)`,
		Filter: `entropy(finding["secret"]) <= 2.0`,
	}

	// validate
	tps := utils.GenerateSampleSecrets("linear", "lin_api_"+secrets.NewSecretWithEntropy(utils.AlphaNumeric("40"), 2))
	return utils.Validate(r, tps, nil)
}

func LinearClientSecret() *config.Rule {
	// define rule
	r := config.Rule{
		RuleID:      "linear-client-secret",
		Description: "Identified a Linear Client Secret, which may compromise secure integrations and sensitive project management data.",
		Regex:       utils.GenerateSemiGenericRegex([]string{"linear"}, utils.Hex("32"), true),
		Keywords:    []string{"linear"},
		Filter:      `entropy(finding["secret"]) <= 2.0`,
	}

	// validate
	tps := utils.GenerateSampleSecrets("linear", secrets.NewSecretWithEntropy(utils.Hex("32"), 2))
	return utils.Validate(r, tps, nil)
}
