package sources

import (
	"context"
	"encoding/json"
	"fmt"
<<<<<<< HEAD
	"net/http"
	"strings"
=======
	"io"
	"net/http"
>>>>>>> worktree-agent-adad8c10
	"time"

	"golang.org/x/time/rate"

	"github.com/salvacybersec/keyhunter/pkg/providers"
	"github.com/salvacybersec/keyhunter/pkg/recon"
)

<<<<<<< HEAD
// CircleCISource searches public CircleCI build logs for leaked API keys.
// It queries the CircleCI v2 API for recent pipeline workflows. Requires a
// CircleCI API token for authenticated access.
=======
// CircleCISource scrapes CircleCI build logs for leaked API keys.
// CircleCI exposes build logs via its API; a personal API token is required
// to access build artifacts and logs. Misconfigured pipelines often leak
// secrets in build output.
>>>>>>> worktree-agent-adad8c10
type CircleCISource struct {
	Token    string
	BaseURL  string
	Registry *providers.Registry
	Limiters *recon.LimiterRegistry
	Client   *Client
}

var _ recon.ReconSource = (*CircleCISource)(nil)

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func (s *CircleCISource) Name() string             { return "circleci" }
func (s *CircleCISource) RateLimit() rate.Limit    { return rate.Every(2 * time.Second) }
func (s *CircleCISource) Burst() int               { return 2 }
func (s *CircleCISource) RespectsRobots() bool     { return false }
func (s *CircleCISource) Enabled(_ recon.Config) bool { return s.Token != "" }

type circlePipelineResponse struct {
	Items []circlePipeline `json:"items"`
}

type circlePipeline struct {
	ID  string          `json:"id"`
	VCS circleVCSInfo   `json:"vcs"`
}

type circleVCSInfo struct {
	ProviderName string `json:"provider_name"`
	RepoName     string `json:"target_repository_url"`
}

func (s *CircleCISource) Sweep(ctx context.Context, _ string, out chan<- recon.Finding) error {
	if s.Token == "" {
		return nil
	}
=======
func (s *CircleCISource) Name() string         { return "circleci" }
func (s *CircleCISource) RateLimit() rate.Limit { return rate.Every(3 * time.Second) }
func (s *CircleCISource) Burst() int            { return 2 }
func (s *CircleCISource) RespectsRobots() bool  { return false }

// Enabled requires a CircleCI API token.
func (s *CircleCISource) Enabled(_ recon.Config) bool { return s.Token != "" }

// circleciPipelineResponse represents the CircleCI v2 pipeline search result.
type circleciPipelineResponse struct {
	Items []circleciPipeline `json:"items"`
}

type circleciPipeline struct {
	ID     string `json:"id"`
	Number int    `json:"number"`
}

func (s *CircleCISource) Sweep(ctx context.Context, _ string, out chan<- recon.Finding) error {
>>>>>>> worktree-agent-adad8c10
	base := s.BaseURL
	if base == "" {
		base = "https://circleci.com/api/v2"
	}
	client := s.Client
	if client == nil {
		client = NewClient()
	}

	queries := BuildQueries(s.Registry, "circleci")
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	kwIndex := circleKeywordIndex(s.Registry)
=======
	if len(queries) == 0 {
		return nil
	}
>>>>>>> worktree-agent-adad8c10

	for _, q := range queries {
		if err := ctx.Err(); err != nil {
			return err
		}
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=======

>>>>>>> worktree-agent-adad8c10
		if s.Limiters != nil {
			if err := s.Limiters.Wait(ctx, s.Name(), s.RateLimit(), s.Burst(), false); err != nil {
				return err
			}
		}

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		endpoint := fmt.Sprintf("%s/pipeline?mine=false", base)
		req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint, nil)
		if err != nil {
			return fmt.Errorf("circleci: build request: %w", err)
=======
		// Search for pipelines by project slug (query is used as slug hint).
		searchURL := fmt.Sprintf("%s/project/gh/%s/pipeline?limit=5", base, q)
		req, err := http.NewRequestWithContext(ctx, http.MethodGet, searchURL, nil)
		if err != nil {
			continue
>>>>>>> worktree-agent-adad8c10
		}
		req.Header.Set("Circle-Token", s.Token)
		req.Header.Set("Accept", "application/json")

		resp, err := client.Do(ctx, req)
		if err != nil {
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			if strings.Contains(err.Error(), "unauthorized") {
				return err
			}
			continue
		}

		var result circlePipelineResponse
		decErr := json.NewDecoder(resp.Body).Decode(&result)
		_ = resp.Body.Close()
		if decErr != nil {
			continue
		}

		provName := kwIndex[strings.ToLower(q)]
		for _, p := range result.Items {
			source := fmt.Sprintf("https://app.circleci.com/pipelines/%s", p.ID)
			if p.VCS.RepoName != "" {
				source = p.VCS.RepoName
			}
			f := recon.Finding{
				ProviderName: provName,
				Confidence:   "low",
				Source:       source,
				SourceType:   "recon:circleci",
				DetectedAt:   time.Now(),
			}
			select {
			case out <- f:
			case <-ctx.Done():
				return ctx.Err()
=======
			continue
		}

		var pipelines circleciPipelineResponse
		if err := json.NewDecoder(resp.Body).Decode(&pipelines); err != nil {
			_ = resp.Body.Close()
			continue
		}
		_ = resp.Body.Close()

		for _, p := range pipelines.Items {
			if err := ctx.Err(); err != nil {
				return err
			}

			if s.Limiters != nil {
				if err := s.Limiters.Wait(ctx, s.Name(), s.RateLimit(), s.Burst(), false); err != nil {
					return err
				}
			}

			// Fetch pipeline workflow logs.
			logURL := fmt.Sprintf("%s/pipeline/%s/workflow", base, p.ID)
			logReq, err := http.NewRequestWithContext(ctx, http.MethodGet, logURL, nil)
			if err != nil {
				continue
			}
			logReq.Header.Set("Circle-Token", s.Token)
			logReq.Header.Set("Accept", "text/plain")

			logResp, err := client.Do(ctx, logReq)
			if err != nil {
				continue
			}

			body, err := io.ReadAll(io.LimitReader(logResp.Body, 256*1024))
			_ = logResp.Body.Close()
			if err != nil {
				continue
			}

			if ciLogKeyPattern.Match(body) {
				out <- recon.Finding{
					ProviderName: q,
					Source:       logURL,
					SourceType:   "recon:circleci",
					Confidence:   "medium",
					DetectedAt:   time.Now(),
				}
>>>>>>> worktree-agent-adad8c10
			}
		}
	}
	return nil
}
<<<<<<< HEAD

func circleKeywordIndex(reg *providers.Registry) map[string]string {
	m := make(map[string]string)
	if reg == nil {
		return m
	}
	for _, p := range reg.List() {
		for _, k := range p.Keywords {
			kl := strings.ToLower(strings.TrimSpace(k))
			if kl != "" {
				if _, exists := m[kl]; !exists {
					m[kl] = p.Name
				}
			}
		}
	}
	return m
}
=======
>>>>>>> worktree-agent-adad8c10