package middleware

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

	"github.com/gin-gonic/gin"
	"github.com/stretchr/testify/assert"
)

func TestMaintenanceGin_Disabled(t *testing.T) {
	gin.SetMode(gin.TestMode)
	SetMaintenanceMode(false)
	defer SetMaintenanceMode(false)

	router := gin.New()
	router.Use(MaintenanceGin())
	router.GET("/api/v1/dashboard", func(c *gin.Context) {
		c.Status(http.StatusOK)
	})

	req := httptest.NewRequest("GET", "/api/v1/dashboard", nil)
	w := httptest.NewRecorder()
	router.ServeHTTP(w, req)

	assert.Equal(t, http.StatusOK, w.Code)
}

func TestMaintenanceGin_Enabled_Returns503(t *testing.T) {
	gin.SetMode(gin.TestMode)
	SetMaintenanceMode(true)
	defer SetMaintenanceMode(false)

	router := gin.New()
	router.Use(MaintenanceGin())
	router.GET("/api/v1/dashboard", func(c *gin.Context) {
		c.Status(http.StatusOK)
	})

	req := httptest.NewRequest("GET", "/api/v1/dashboard", nil)
	w := httptest.NewRecorder()
	router.ServeHTTP(w, req)

	assert.Equal(t, http.StatusServiceUnavailable, w.Code)
	assert.Contains(t, w.Body.String(), "maintenance")
}

func TestMaintenanceGin_HealthExempt(t *testing.T) {
	gin.SetMode(gin.TestMode)
	SetMaintenanceMode(true)
	defer SetMaintenanceMode(false)

	router := gin.New()
	router.Use(MaintenanceGin())
	router.GET("/health", func(c *gin.Context) {
		c.Status(http.StatusOK)
	})

	req := httptest.NewRequest("GET", "/health", nil)
	w := httptest.NewRecorder()
	router.ServeHTTP(w, req)

	assert.Equal(t, http.StatusOK, w.Code)
}

func TestMaintenanceGin_AdminExempt(t *testing.T) {
	gin.SetMode(gin.TestMode)
	SetMaintenanceMode(true)
	defer SetMaintenanceMode(false)

	router := gin.New()
	router.Use(MaintenanceGin())
	router.GET("/api/v1/admin/reports", func(c *gin.Context) {
		c.Status(http.StatusOK)
	})

	req := httptest.NewRequest("GET", "/api/v1/admin/reports", nil)
	w := httptest.NewRecorder()
	router.ServeHTTP(w, req)

	assert.Equal(t, http.StatusOK, w.Code)
}