package server

import (
	"context"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"dance-lessons-coach/pkg/config"

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

func TestHandleHealthz(t *testing.T) {
	// Setup
	cfg := &config.Config{}
	s := NewServer(cfg, context.Background())

	// Create request
	req := httptest.NewRequest(http.MethodGet, "/api/healthz", nil)
	w := httptest.NewRecorder()

	// Call handler
	s.handleHealthz(w, req)

	// Check status code
	assert.Equal(t, http.StatusOK, w.Code)

	// Check content type
	assert.Equal(t, "application/json", w.Header().Get("Content-Type"))

	// Decode response
	var resp HealthzResponse
	err := json.NewDecoder(w.Body).Decode(&resp)
	assert.NoError(t, err)

	// Assert fields
	assert.Equal(t, "healthy", resp.Status)
	assert.NotEmpty(t, resp.Version)
	assert.GreaterOrEqual(t, resp.UptimeSeconds, int64(0))
	assert.NotZero(t, resp.Timestamp)
}