package main

import (
	"net/http"
	"net/http/httptest"
	"os"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestMain(m *testing.M) {
	// Set required env vars for tests
	os.Setenv("JWT_SECRET", "test-secret-key-for-unit-tests-only")
	os.Setenv("DATABASE_URL", "postgres://test:test@localhost/test")
	os.Setenv("REDIS_URL", "redis://localhost:6379")
	os.Setenv("RESEND_API_KEY", "test-key")
	os.Setenv("LEDGER_API_URL", "http://localhost:3250")
	os.Exit(m.Run())
}

func TestHealthEndpoint(t *testing.T) {
	// Create a minimal router with just the health endpoint
	// We can't easily start the full app without a DB, so we test the handler directly
	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		w.WriteHeader(http.StatusOK)
		w.Write([]byte(`{"ok":true}`))
	})

	req := httptest.NewRequest(http.MethodGet, "/health", nil)
	rr := httptest.NewRecorder()

	handler.ServeHTTP(rr, req)

	assert.Equal(t, http.StatusOK, rr.Code)
	assert.Contains(t, rr.Body.String(), "true")
}

func TestConfigLoading(t *testing.T) {
	// Verify test environment is set up
	require.NotEmpty(t, os.Getenv("JWT_SECRET"))
	require.NotEmpty(t, os.Getenv("DATABASE_URL"))
}