package sources

import (
	"context"
	"net/http"
	"net/http/httptest"
	"testing"
	"time"

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

func TestGrafana_Name(t *testing.T) {
	s := &GrafanaSource{}
	if s.Name() != "grafana" {
		t.Fatalf("expected grafana, got %s", s.Name())
	}
}

func TestGrafana_Enabled(t *testing.T) {
	s := &GrafanaSource{}
	if !s.Enabled(recon.Config{}) {
		t.Fatal("GrafanaSource should always be enabled")
	}
}

func TestGrafana_Sweep(t *testing.T) {
	mux := http.NewServeMux()
	mux.HandleFunc("/api/search", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`[{"uid":"abc123","title":"API-Monitoring"}]`))
	})
	mux.HandleFunc("/api/dashboards/uid/abc123", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`{
			"dashboard": {
				"panels": [
					{
						"title": "Key Usage",
						"targets": [
							{"expr": "api_key = sk-proj-ABCDEF1234567890abcdef"}
						]
					}
				]
			}
		}`))
	})

	srv := httptest.NewServer(mux)
	defer srv.Close()

	reg := providers.NewRegistryFromProviders([]providers.Provider{
		{Name: "openai", Keywords: []string{"sk-proj-"}},
	})

	s := &GrafanaSource{
		BaseURL:  srv.URL,
		Registry: reg,
		Client:   NewClient(),
	}

	out := make(chan recon.Finding, 10)
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	err := s.Sweep(ctx, "", out)
	close(out)
	if err != nil {
		t.Fatalf("Sweep error: %v", err)
	}

	var findings []recon.Finding
	for f := range out {
		findings = append(findings, f)
	}
	if len(findings) == 0 {
		t.Fatal("expected at least one finding from Grafana")
	}
	if findings[0].SourceType != "recon:grafana" {
		t.Fatalf("expected recon:grafana, got %s", findings[0].SourceType)
	}
}

func TestGrafana_Sweep_NoDashboards(t *testing.T) {
	mux := http.NewServeMux()
	mux.HandleFunc("/api/search", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`[]`))
	})

	srv := httptest.NewServer(mux)
	defer srv.Close()

	reg := providers.NewRegistryFromProviders([]providers.Provider{
		{Name: "openai", Keywords: []string{"sk-proj-"}},
	})

	s := &GrafanaSource{
		BaseURL:  srv.URL,
		Registry: reg,
		Client:   NewClient(),
	}

	out := make(chan recon.Finding, 10)
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	err := s.Sweep(ctx, "", out)
	close(out)
	if err != nil {
		t.Fatalf("Sweep error: %v", err)
	}

	var findings []recon.Finding
	for f := range out {
		findings = append(findings, f)
	}
	if len(findings) != 0 {
		t.Fatalf("expected no findings, got %d", len(findings))
	}
}
