package sources

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

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

func TestIntelligenceX_Name(t *testing.T) {
	s := &IntelligenceXSource{}
	if s.Name() != "intelligencex" {
		t.Fatalf("expected intelligencex, got %s", s.Name())
	}
}

func TestIntelligenceX_Enabled(t *testing.T) {
	s := &IntelligenceXSource{}
	if s.Enabled(recon.Config{}) {
		t.Fatal("IntelligenceXSource should be disabled without API key")
	}
	s.APIKey = "test-key"
	if !s.Enabled(recon.Config{}) {
		t.Fatal("IntelligenceXSource should be enabled with API key")
	}
}

func TestIntelligenceX_Sweep(t *testing.T) {
	mux := http.NewServeMux()

	// Search initiation endpoint.
	mux.HandleFunc("/intelligent/search", func(w http.ResponseWriter, r *http.Request) {
		if r.Method == http.MethodPost {
			if r.Header.Get("x-key") != "test-key" {
				http.Error(w, "unauthorized", http.StatusUnauthorized)
				return
			}
			w.Header().Set("Content-Type", "application/json")
			_, _ = w.Write([]byte(`{"id":"search-42","status":0}`))
			return
		}
		http.Error(w, "not found", http.StatusNotFound)
	})

	// Search results endpoint.
	mux.HandleFunc("/intelligent/search/result", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`{
			"records": [{
				"systemid": "sys-001",
				"name": "leak.txt",
				"storageid": "store-001",
				"bucket": "bucket-a"
			}]
		}`))
	})

	// File read endpoint.
	mux.HandleFunc("/file/read", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "text/plain")
		_, _ = w.Write([]byte(`config:
  api_key = "sk-proj-ABCDEF1234567890abcdef"
  secret_key: "super-secret-value-1234567890ab"
`))
	})

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

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

	s := &IntelligenceXSource{
		APIKey:   "test-key",
		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 IntelligenceX")
	}
	if findings[0].SourceType != "recon:intelligencex" {
		t.Fatalf("expected recon:intelligencex, got %s", findings[0].SourceType)
	}
}

func TestIntelligenceX_Sweep_Empty(t *testing.T) {
	mux := http.NewServeMux()

	mux.HandleFunc("/intelligent/search", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`{"id":"search-empty","status":0}`))
	})

	mux.HandleFunc("/intelligent/search/result", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`{"records": []}`))
	})

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

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

	s := &IntelligenceXSource{
		APIKey:   "test-key",
		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))
	}
}
