package config

import (
	"os"
	"path/filepath"
	"testing"
)

func TestParserControllerDetection(t *testing.T) {
	sampleConfig := `user = "root"
    group = "plugdev"
    device {
        id = 5
        name = "TF_OFFICE_DESK"
        controller = 0
        protocol = "arctech"
        model = "selflearning-switch"
        parameters {
            house = "12168864"
            unit = "11"
        }
    }
    controller {
        id = 1
        type = 2
        serial = "AE01DHRN"
    }
    `

	dir := t.TempDir()
	cfgPath := filepath.Join(dir, "tellstick.conf")
	if err := os.WriteFile(cfgPath, []byte(sampleConfig), 0o600); err != nil {
		t.Fatalf("failed writing sample config: %v", err)
	}

	parser := NewParser(cfgPath)
	cfg, err := parser.Parse()
	if err != nil {
		t.Fatalf("parse failed: %v", err)
	}

	if got, want := len(cfg.Controllers), 1; got != want {
		t.Fatalf("expected %d controller, got %d", want, got)
	}
	ctrl := cfg.Controllers[0]
	if ctrl.ID != 1 || ctrl.Serial != "AE01DHRN" {
		t.Fatalf("unexpected controller parsed: %+v", ctrl)
	}

	if got, want := len(cfg.Devices), 1; got != want {
		t.Fatalf("expected %d device, got %d", want, got)
	}
	dev := cfg.Devices[0]
	if dev.Name != "TF_OFFICE_DESK" {
		t.Fatalf("unexpected device parsed: %+v", dev)
	}
	if val := dev.Parameters["controller"]; val != "0" {
		t.Fatalf("expected controller parameter stored, got %q", val)
	}
}