package config

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

func TestLoadSubscribeAndTokenOverride(t *testing.T) {
	dir := t.TempDir()
	path := filepath.Join(dir, "client.yml")
	body := []byte(`
default-host: https://ntfy.example
default-token: tk_default
subscribe:
  - topic: alerts
    command: notify-send
  - topic: public
    token: ""
  - topic: other.example/ops
    user: ada
    password: secret
`)
	if err := os.WriteFile(path, body, 0o600); err != nil {
		t.Fatal(err)
	}
	app, err := Load(Options{Path: path, PathSet: true, Since: "1h"})
	if err != nil {
		t.Fatal(err)
	}
	if app.Since != "1h" || len(app.Subs) != 3 {
		t.Fatalf("app: %+v", app.Subs)
	}
	if app.Subs[0].Name != "alerts" || app.Subs[0].Origin != "https://ntfy.example" || app.Subs[0].Auth.Token != "tk_default" {
		t.Fatalf("alerts: %+v", app.Subs[0])
	}
	if app.Subs[1].Auth.Token != "" || app.Subs[1].Auth.User != "" {
		t.Fatalf("empty token should clear auth: %+v", app.Subs[1].Auth)
	}
	if app.Subs[2].Origin != "https://other.example" || app.Subs[2].Name != "ops" || app.Subs[2].Auth.User != "ada" || app.Subs[2].Auth.Password != "secret" {
		t.Fatalf("per-topic user: %+v", app.Subs[2])
	}
}

func TestPositionalTopicsReplaceSubscribe(t *testing.T) {
	dir := t.TempDir()
	path := filepath.Join(dir, "client.yml")
	body := []byte("default-host: https://ntfy.example\ndefault-token: tk_default\nsubscribe:\n  - topic: ignored\n")
	if err := os.WriteFile(path, body, 0o600); err != nil {
		t.Fatal(err)
	}
	app, err := Load(Options{Path: path, PathSet: true, Topics: []string{"alerts"}, User: "ada:pw"})
	if err != nil {
		t.Fatal(err)
	}
	if len(app.Subs) != 1 || app.Subs[0].Name != "alerts" || app.Subs[0].Auth.Token != "" || app.Subs[0].Auth.User != "ada" {
		t.Fatalf("%+v", app.Subs[0])
	}
}

func TestHostWithoutTopicsStartsEmpty(t *testing.T) {
	dir := t.TempDir()
	path := filepath.Join(dir, "client.yml")
	body := []byte("default-host: https://ntfy.example\ndefault-token: tk_default\n")
	if err := os.WriteFile(path, body, 0o600); err != nil {
		t.Fatal(err)
	}
	app, err := Load(Options{Path: path, PathSet: true})
	if err != nil {
		t.Fatal(err)
	}
	if app.DefaultHost != "https://ntfy.example" || len(app.Subs) != 0 || app.Auth.Token != "tk_default" {
		t.Fatalf("%+v", app)
	}
}

func TestMissingDefaultFileNeedsTopic(t *testing.T) {
	_, err := Load(Options{Path: filepath.Join(t.TempDir(), "missing.yml")})
	if err == nil {
		t.Fatal("expected error")
	}
}