package api

import "testing"

func TestDetermineTemperatureTransport(t *testing.T) {
	t.Parallel()
	testCases := []struct {
		name                string
		enabled             bool
		proxyURL            string
		proxyToken          string
		socketAvailable     bool
		containerSSHBlocked bool
		expectedTransport   string
	}{
		{
			name:              "disabled",
			enabled:           false,
			expectedTransport: temperatureTransportDisabled,
		},
		{
			name:              "https proxy preferred when configured",
			enabled:           true,
			proxyURL:          " https://pve.example ",
			proxyToken:        "token",
			expectedTransport: temperatureTransportHTTPSProxy,
		},
		{
			name:              "socket proxy when available",
			enabled:           true,
			socketAvailable:   true,
			expectedTransport: temperatureTransportSocketProxy,
		},
		{
			name:                "ssh blocked in container without override",
			enabled:             true,
			socketAvailable:     false,
			containerSSHBlocked: true,
			expectedTransport:   temperatureTransportSSHBlocked,
		},
		{
			name:              "ssh fallback when nothing else available",
			enabled:           true,
			expectedTransport: temperatureTransportSSHFallback,
		},
	}

	for _, tc := range testCases {
		tc := tc
		t.Run(tc.name, func(t *testing.T) {
			t.Parallel()
			got := determineTemperatureTransport(tc.enabled, tc.proxyURL, tc.proxyToken, tc.socketAvailable, tc.containerSSHBlocked)
			if got != tc.expectedTransport {
				t.Fatalf("expected %q, got %q", tc.expectedTransport, got)
			}
		})
	}
}

func TestEnsureTemperatureTransportAvailable(t *testing.T) {
	t.Parallel()

	t.Run("allows socket transport", func(t *testing.T) {
		t.Parallel()
		if err := ensureTemperatureTransportAvailable(true, "", "", true, true); err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
	})

	t.Run("blocks container without proxy", func(t *testing.T) {
		t.Parallel()
		if err := ensureTemperatureTransportAvailable(true, "", "", false, true); err == nil {
			t.Fatal("expected error when no transport is available")
		}
	})

	t.Run("ignores disabled state", func(t *testing.T) {
		t.Parallel()
		if err := ensureTemperatureTransportAvailable(false, "", "", false, true); err != nil {
			t.Fatalf("expected nil error when not enabling transport, got %v", err)
		}
	})
}