package middleware

import (
	"fmt"
	"gestion/db"
	"gestion/models"
	"log"
	"net/http"
	"time"

	"github.com/gin-gonic/gin"
)

func OrderHoursMiddleware(c *gin.Context) {
	loc, err := time.LoadLocation("Europe/Paris")
	if err != nil {
		loc = time.UTC
	}
	now := time.Now().In(loc)
	weekday := now.Weekday()
	hour := now.Hour()
	min := now.Minute()

	database := c.MustGet("database").(*db.Database)
	settings, err := database.GetSettings()
	if err != nil {
		log.Printf("⚠️ [CLOCK-MWARE] Erreur lecture settings: %v — accès autorisé par défaut", err)
		c.Next()
		return
	}

	sched := settings.DeliverySchedule
	var day models.DaySchedule
	switch weekday {
	case time.Monday:
		day = sched.Monday
	case time.Tuesday:
		day = sched.Tuesday
	case time.Wednesday:
		day = sched.Wednesday
	case time.Thursday:
		day = sched.Thursday
	case time.Friday:
		day = sched.Friday
	case time.Saturday:
		day = sched.Saturday
	case time.Sunday:
		day = sched.Sunday
	}

	if !day.Enabled {
		log.Printf("❌ [CLOCK-MWARE] Commande refusée — jour fermé (%s)", weekday)
		c.JSON(http.StatusForbidden, gin.H{
			"error":        "Commandes non disponibles aujourd'hui",
			"message":      "La livraison n'est pas disponible ce jour",
			"current_time": now.Format("15:04"),
		})
		c.Abort()
		return
	}

	parseTime := func(t string) int {
		var h, m int
		fmt.Sscanf(t, "%d:%d", &h, &m)
		return h*60 + m
	}

	currentMinutes := hour*60 + min
	openMinutes := parseTime(day.OpenTime)
	closeMinutes := parseTime(day.CloseTime)

	if currentMinutes < openMinutes || currentMinutes >= closeMinutes {
		log.Printf("❌ [CLOCK-MWARE] Commande refusée à %02d:%02d (plage autorisée: %s - %s)", hour, min, day.OpenTime, day.CloseTime)
		c.JSON(http.StatusForbidden, gin.H{
			"error":        "Commandes non disponibles à cette heure",
			"message":      fmt.Sprintf("Vous pouvez commander entre %s et %s", day.OpenTime, day.CloseTime),
			"current_time": now.Format("15:04"),
			"open_at":      day.OpenTime,
			"close_at":     day.CloseTime,
		})
		c.Abort()
		return
	}

	log.Printf("✅ [CLOCK-MWARE] Commande autorisée à %02d:%02d", hour, min)
	c.Next()
}