package config

import (
	"os"
	"testing"
)

func TestLoad(t *testing.T) {
	path := t.TempDir() + "/config.json"
	if err := os.WriteFile(path, []byte(`{"write_secret":"secret","addr":":9090","chart_max_watts":750}`), 0o600); err != nil {
		t.Fatalf("write config: %v", err)
	}

	cfg, err := Load(path)
	if err != nil {
		t.Fatalf("Load returned error: %v", err)
	}
	if cfg.WriteSecret != "secret" {
		t.Fatalf("write_secret = %q, want %q", cfg.WriteSecret, "secret")
	}
	if cfg.Addr != ":9090" {
		t.Fatalf("addr = %q, want %q", cfg.Addr, ":9090")
	}
	if cfg.ChartMaxWatts != 750 {
		t.Fatalf("chart_max_watts = %d, want %d", cfg.ChartMaxWatts, 750)
	}
}