// Copyright (c) 2025 Nikolai Papin
//
// This file is part of Easywish
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
// the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

// @title           Easywish client API
// @version         1.0
// @description     Easy and feature-rich wishlist.
// @license.name  	GPL-3.0

// @BasePath  			/api/
// @Schemes					http

// @securityDefinitions.apikey JWT
// @in header
// @name Authorization

package main

import (
	"context"
	"fmt"
	"net/http"
	"time"

	"github.com/gin-gonic/gin"
	"go.uber.org/fx"
	"go.uber.org/zap"

	"easywish/config"
	docs "easywish/docs"
	"easywish/internal/controllers"
	"easywish/internal/database"
	"easywish/internal/logger"
	"easywish/internal/routes"
	"easywish/internal/services"
	"easywish/internal/validation"

	swaggerfiles "github.com/swaggo/files"
	ginSwagger "github.com/swaggo/gin-swagger"
)

func main() {

	if _, err := config.Load(); err != nil {
		panic(err)
	}

	fx.New(	
		fx.Provide(
			logger.NewLogger,
			logger.NewSyncLogger,
			gin.Default,
		),
		database.Module,
		services.Module,
		validation.Module,

		controllers.Module,
		routes.Module,

		fx.Invoke(func(lc fx.Lifecycle, router *gin.Engine, syncLogger *logger.SyncLogger) {

			// Swagger
			docs.SwaggerInfo.Schemes = []string{"http"}
			router.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerfiles.Handler))

			// Gin
			server := &http.Server{
				Addr:    fmt.Sprintf(":%s", config.GetConfig().Port),
				Handler: router,
			}

			lc.Append(fx.Hook{
				OnStart: func(ctx context.Context) error {
					go func() {
						if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
							syncLogger.Fatal("Server failed", zap.Error(err))
						}
					}()
					return nil
				},
				OnStop: func(ctx context.Context) error {
					shutdownCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
					defer cancel()

					if err := server.Shutdown(shutdownCtx); err != nil {
						syncLogger.Error("Server shutdown error", zap.Error(err))
					}

					if err := syncLogger.Close(); err != nil {
						syncLogger.Error("Logger sync error", zap.Error(err))
					}
					return nil
				},
			})
		}),

	).Run()
}