package cli

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

func TestMain(m *testing.M) {
	// Tests supply their own overrides; inherited settings must not affect them.
	for _, entry := range os.Environ() {
		key, _, _ := strings.Cut(entry, "=")
		if strings.HasPrefix(key, "AUDITA_") || key == "OPENROUTER_API_KEY" {
			if err := os.Unsetenv(key); err != nil {
				panic(err)
			}
		}
	}

	dir, err := os.MkdirTemp("", "audita-cli-test-config-")
	if err != nil {
		panic(err)
	}
	defer os.RemoveAll(dir)
	configPath := filepath.Join(dir, "config.yml")
	if err := os.WriteFile(configPath, []byte("version: 1\n"), 0600); err != nil {
		panic(err)
	}
	// An explicit environment path prevents discovery of installed system config.
	// Individual tests can still override it with t.Setenv or --config.
	if err := os.Setenv("AUDITA_CONFIG", configPath); err != nil {
		panic(err)
	}
	m.Run()
}