package config

import (
	"strings"
	"testing"
)

func TestSampleEnv(t *testing.T) {
	sample := SampleEnv(`C:\ProgramData\gpu-turnstile\gpu-turnstile.log`)

	// Every setting known to Load must appear.
	for _, name := range []string{
		"LISTEN_OLLAMA", "LISTEN_COMFY", "OLLAMA_URL", "COMFY_URL",
		"WARM_MODEL", "UNLOAD_TIMEOUT", "JOB_TIMEOUT", "LLM_WAIT_TIMEOUT",
		"LLM_BUSY_MODE", "LLM_BUSY_STATUS", "BUSY_RETRY_AFTER",
		"LOGLEVEL", "LOG_FORMAT", "LOG_FILE",
		"UNLOAD_POLL_INTERVAL", "HISTORY_POLL_INTERVAL", "PROBE_TIMEOUT",
		"FREE_TIMEOUT", "WARM_TIMEOUT", "SHUTDOWN_TIMEOUT",
		"BACKOFF_INITIAL", "BACKOFF_MAX", "PROMPT_CAPTURE_LIMIT",
		"AUTO_UPDATE", "UPDATE_INTERVAL", "UPDATE_REPO", "UPDATE_ASSET",
	} {
		if !strings.Contains(sample, name+"=") {
			t.Errorf("sample is missing %s", name)
		}
	}

	// The sample must parse cleanly, and only LOG_FILE is active.
	values, err := ParseEnvFile(strings.NewReader(sample))
	if err != nil {
		t.Fatalf("sample does not parse: %v", err)
	}
	if len(values) != 1 || values["LOG_FILE"] != `C:\ProgramData\gpu-turnstile\gpu-turnstile.log` {
		t.Fatalf("active values = %v, want only LOG_FILE", values)
	}

	// Without a log path everything is commented out.
	values, err = ParseEnvFile(strings.NewReader(SampleEnv("")))
	if err != nil {
		t.Fatalf("sample without log path does not parse: %v", err)
	}
	if len(values) != 0 {
		t.Fatalf("active values = %v, want none", values)
	}
}