package main

import (
	"bytes"
	"os"
	"path/filepath"
	"strings"
	"testing"

	"proxyctl/internal/target"
)

func TestDefaultInvocationStartsTUIWithNoProfileState(t *testing.T) {
	t.Setenv("XDG_CONFIG_HOME", t.TempDir())
	var output bytes.Buffer
	if err := runWithSystemTargets(nil, strings.NewReader("q"), &output, []target.Target{}); err != nil {
		t.Fatalf("run proxyctl: %v", err)
	}
	if !strings.Contains(output.String(), "No Active Profile") {
		t.Fatalf("default TUI output missing no-Profile state: %q", output.String())
	}
}

func TestDefaultInvocationLoadsPersistedActiveProfile(t *testing.T) {
	xdg := t.TempDir()
	t.Setenv("XDG_CONFIG_HOME", xdg)
	writeConfig(t, filepath.Join(xdg, "proxyctl", "profiles.json"), `{
  "profiles": [{"name":"office","mode":"single","singleUrl":"http://proxy.example:8080","httpUrl":"http://proxy.example:8080","httpsUrl":"http://proxy.example:8080","allUrl":"http://proxy.example:8080"}],
  "activeProfile": "office"
}`)
	var output bytes.Buffer
	if err := runWithSystemTargets(nil, strings.NewReader("q"), &output, []target.Target{}); err != nil {
		t.Fatalf("run proxyctl: %v", err)
	}
	if !strings.Contains(output.String(), "Active Profile: office") {
		t.Fatalf("default TUI output missing Active Profile: %q", output.String())
	}
}

func writeConfig(t *testing.T, path, contents string) {
	t.Helper()
	if err := os.MkdirAll(filepath.Dir(path), 0o700); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(path, []byte(contents), 0o600); err != nil {
		t.Fatal(err)
	}
}