package app

import (
	"context"
	"github.com/gin-gonic/gin"
	log "github.com/sirupsen/logrus"
	"merch-parser-api/internal/interfaces"
	"net/http"
	"time"
)

type App struct {
	address       string
	routerHandler interfaces.Router
	router        *gin.Engine
}

type Deps struct {
	Host   string
	Port   string
	Router interfaces.Router
}

func NewApp(deps Deps) *App {
	app := &App{
		address:       deps.Host + ":" + deps.Port,
		routerHandler: deps.Router,
	}

	app.router = app.routerHandler.Set()

	return app
}

func (a *App) Run(ctx context.Context) error {
	server := &http.Server{
		Addr:    a.address,
		Handler: a.router,
	}

	serverErr := make(chan error, 1)

	go func() {
		log.Info("Starting server on: ", a.address)
		serverErr <- server.ListenAndServe()
	}()

	select {
	case <-ctx.Done():
		log.Info("Shutting down server")
		shutdownCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
		defer cancel()
		return server.Shutdown(shutdownCtx)

	case err := <-serverErr:
		return err
	}
}