package platform

import (
	"errors"
	"os"
	"testing"
)

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

	nvme := storageSATCommands("/dev/nvme0n1")
	if len(nvme) != 3 || nvme[2].cmd[0] != "nvme" {
		t.Fatalf("unexpected nvme commands: %#v", nvme)
	}

	sata := storageSATCommands("/dev/sda")
	if len(sata) != 2 || sata[0].cmd[0] != "smartctl" {
		t.Fatalf("unexpected sata commands: %#v", sata)
	}
}

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

	jobs := nvidiaSATJobs()

	if len(jobs) != 5 {
		t.Fatalf("jobs=%d want 5", len(jobs))
	}
	if got := jobs[4].cmd[0]; got != "bee-gpu-stress" {
		t.Fatalf("gpu stress command=%q want bee-gpu-stress", got)
	}
	if got := jobs[3].cmd[1]; got != "--output-file" {
		t.Fatalf("bug report flag=%q want --output-file", got)
	}
}

func TestNvidiaSATJobsUseEnvOverrides(t *testing.T) {
	t.Setenv("BEE_GPU_STRESS_SECONDS", "9")
	t.Setenv("BEE_GPU_STRESS_SIZE_MB", "96")

	jobs := nvidiaSATJobs()
	got := jobs[4].cmd
	want := []string{"bee-gpu-stress", "--seconds", "9", "--size-mb", "96"}
	if len(got) != len(want) {
		t.Fatalf("cmd len=%d want %d", len(got), len(want))
	}
	for i := range want {
		if got[i] != want[i] {
			t.Fatalf("cmd[%d]=%q want %q", i, got[i], want[i])
		}
	}
}

func TestEnvIntFallback(t *testing.T) {
	os.Unsetenv("BEE_MEMTESTER_SIZE_MB")
	if got := envInt("BEE_MEMTESTER_SIZE_MB", 123); got != 123 {
		t.Fatalf("got %d want 123", got)
	}
	t.Setenv("BEE_MEMTESTER_SIZE_MB", "bad")
	if got := envInt("BEE_MEMTESTER_SIZE_MB", 123); got != 123 {
		t.Fatalf("got %d want 123", got)
	}
	t.Setenv("BEE_MEMTESTER_SIZE_MB", "256")
	if got := envInt("BEE_MEMTESTER_SIZE_MB", 123); got != 256 {
		t.Fatalf("got %d want 256", got)
	}
}

func TestClassifySATResult(t *testing.T) {
	tests := []struct {
		name   string
		job    string
		out    string
		err    error
		status string
	}{
		{name: "ok", job: "memtester", out: "done", err: nil, status: "OK"},
		{name: "unsupported", job: "smartctl-self-test-short", out: "Self-test not supported", err: errors.New("rc 1"), status: "UNSUPPORTED"},
		{name: "failed", job: "bee-gpu-stress", out: "cuda error", err: errors.New("rc 1"), status: "FAILED"},
		{name: "cuda not ready", job: "bee-gpu-stress", out: "cuInit failed: CUDA_ERROR_SYSTEM_NOT_READY", err: errors.New("rc 1"), status: "UNSUPPORTED"},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, _ := classifySATResult(tt.job, []byte(tt.out), tt.err)
			if got != tt.status {
				t.Fatalf("status=%q want %q", got, tt.status)
			}
		})
	}
}