package httptransport

import (
	"log/slog"
	"net/http"

	"github.com/gin-gonic/gin"
	"go.opentelemetry.io/otel/trace"

	"switchbot-api/internal/app/observability"
	"switchbot-api/internal/transport/http/handlers"
	"switchbot-api/internal/transport/http/middleware"
)

type Dependencies struct {
	Logger            *slog.Logger
	Tracer            trace.Tracer
	HTTPMetrics       *observability.HTTPMetrics
	PrometheusHandler http.Handler
	HealthHandler     *handlers.HealthHandler
	HelloHandler      *handlers.HelloHandler
}

func NewRouter(deps Dependencies) *gin.Engine {
	router := gin.New()
	router.RedirectTrailingSlash = false

	router.Use(middleware.RequestID())
	router.Use(middleware.Tracing(deps.Tracer))
	router.Use(middleware.Metrics(deps.HTTPMetrics))
	router.Use(middleware.AccessLog(deps.Logger))
	router.Use(middleware.Recovery(deps.Logger))

	router.GET("/healthz", deps.HealthHandler.Healthz)
	router.GET("/readyz", deps.HealthHandler.Readyz)
	router.GET("/hello", deps.HelloHandler.Hello)
	router.GET("/metrics", gin.WrapH(deps.PrometheusHandler))

	return router
}