package main

import (
	"html/template"
	"log"
	"strconv"
	"time"

	"github.com/gin-gonic/gin"
	_ "github.com/joho/godotenv/autoload"
	limiter "github.com/ulule/limiter/v3"
	mgin "github.com/ulule/limiter/v3/drivers/middleware/gin"
	memory "github.com/ulule/limiter/v3/drivers/store/memory"

	"github.com/gin-contrib/sessions"
	"github.com/gin-contrib/sessions/cookie"
	csrf "github.com/utrack/gin-csrf"

	Config "micrach/config"
	Controllers "micrach/controllers"
	Db "micrach/db"
	Repositories "micrach/repositories"
	Utils "micrach/utils"
)

func main() {
	Config.Init()
	Db.Init()
	defer Db.Pool.Close()
	gin.SetMode(Config.App.Env)
	if Config.App.SeedDb {
		Repositories.Seed()
	}

	err := Utils.CreateUploadsFolder()
	if err != nil {
		log.Panicln(err)
	}

	rate := limiter.Rate{
		Period: 1 * time.Hour,
		Limit:  1000,
	}
	rateLimiterStore := memory.NewStore()
	instance := limiter.New(rateLimiterStore, rate)
	middleware := mgin.NewMiddleware(instance)

	router := gin.New()
	router.Use(gin.Recovery())

	sessionStore := cookie.NewStore([]byte("secret"))
	router.Use(sessions.Sessions("mysession", sessionStore))
	router.Use(csrf.Middleware(csrf.Options{
		Secret: "secret123",
		TokenGetter: func(c *gin.Context) string {
			token, err := c.Cookie("csrf")
			if err != nil {
				return ""
			}
			return token
		},
		ErrorFunc: func(c *gin.Context) {
			c.String(400, "CSRF token mismatch")
			c.Abort()
		},
	}))

	router.SetFuncMap(template.FuncMap{
		"Iterate": func(count int) []int {
			var i int
			var Items []int
			for i = 1; i < count+1; i++ {
				Items = append(Items, i)
			}
			return Items
		},
	})
	router.LoadHTMLGlob("templates/*.html")
	router.ForwardedByClientIP = true
	if Config.App.IsRateLimiterEnabled {
		router.Use(middleware)
	}
	router.Static("/uploads", "./uploads")
	router.Static("/static", "./static")
	router.GET("/", Controllers.GetThreads)
	router.POST("/", Controllers.CreateThread)
	router.GET("/:threadID", Controllers.GetThread)
	router.POST("/:threadID", Controllers.UpdateThread)

	log.Println("port", Config.App.Port, "- online")
	log.Println("all systems nominal")

	router.Run(":" + strconv.Itoa(Config.App.Port))
}