package repository

import (
	"io"
	"net/http"
	"net/http/httptrace"
	"os"
	"strings"
	"testing"
)

func TestWrapTransportAuditIfEnabledDisabled(t *testing.T) {
	t.Setenv(transportAuditEnv, "")

	base := roundTripFunc(func(r *http.Request) (*http.Response, error) {
		if httptrace.ContextClientTrace(r.Context()) != nil {
			t.Fatalf("unexpected client trace when audit is disabled")
		}
		return &http.Response{
			StatusCode: 200,
			Proto:      "HTTP/1.1",
			Body:       io.NopCloser(strings.NewReader("ok")),
			Request:    r,
		}, nil
	})

	wrapped := wrapTransportAuditIfEnabled(base, "plain")
	if _, ok := wrapped.(*transportAuditRoundTripper); ok {
		t.Fatalf("expected base transport when audit disabled")
	}

	req, err := http.NewRequest(http.MethodGet, "https://api.anthropic.com/v1/messages?beta=true", nil)
	if err != nil {
		t.Fatalf("new request: %v", err)
	}
	if _, err := wrapped.RoundTrip(req); err != nil {
		t.Fatalf("round trip: %v", err)
	}
}

func TestWrapTransportAuditIfEnabledEnabled(t *testing.T) {
	t.Setenv(transportAuditEnv, "1")

	base := roundTripFunc(func(r *http.Request) (*http.Response, error) {
		if httptrace.ContextClientTrace(r.Context()) == nil {
			t.Fatalf("expected client trace when audit is enabled")
		}
		return &http.Response{
			StatusCode: 200,
			Proto:      "HTTP/1.1",
			Body:       io.NopCloser(strings.NewReader("ok")),
			Request:    r,
		}, nil
	})

	wrapped := wrapTransportAuditIfEnabled(base, "tlsfp")
	if _, ok := wrapped.(*transportAuditRoundTripper); !ok {
		t.Fatalf("expected wrapped transport when audit enabled")
	}

	req, err := http.NewRequest(http.MethodGet, "https://api.anthropic.com/v1/messages?beta=true", nil)
	if err != nil {
		t.Fatalf("new request: %v", err)
	}
	if _, err := wrapped.RoundTrip(req); err != nil {
		t.Fatalf("round trip: %v", err)
	}
}

func TestTransportAuditEnabled(t *testing.T) {
	cases := []struct {
		name string
		raw  string
		want bool
	}{
		{name: "empty", raw: "", want: false},
		{name: "one", raw: "1", want: true},
		{name: "true", raw: "true", want: true},
		{name: "on", raw: "on", want: true},
		{name: "no", raw: "no", want: false},
	}

	for _, tc := range cases {
		t.Run(tc.name, func(t *testing.T) {
			if tc.raw == "" {
				_ = os.Unsetenv(transportAuditEnv)
			} else {
				t.Setenv(transportAuditEnv, tc.raw)
			}
			if got := transportAuditEnabled(); got != tc.want {
				t.Fatalf("transportAuditEnabled() = %v, want %v", got, tc.want)
			}
		})
	}
}