projet_gestion_commande/backend/gestion/db/db_clients.go

package db

import (
	"database/sql"
	"fmt"
	"gestion/models"
	"log"
	"strings"
)

func (d *Database) CreateClient(client *models.Client) error {
	query := `INSERT INTO clients (username, password, nom, prenom, telephone, command, point, point_zipette, amende, created_at)
	          VALUES ($1, $2, $3, $4, $5, 0, 0, 0, 0.0, CURRENT_TIMESTAMP)
	          RETURNING id, created_at`

	err := d.QueryRow(query, client.Username, client.Password, client.Nom, client.Prenom, client.Telephone).Scan(
		&client.ID,
		&client.CreatedAt,
	)
	if err != nil {
		return fmt.Errorf("erreur lors de la création du client: %w", err)
	}

	log.Printf("✅ Client créé avec succès: %s %s (ID: %d)", client.Prenom, client.Nom, client.ID)
	return nil
}

// GetClientByID récupère un client par son ID
func (d *Database) GetClientByID(id int) (*models.Client, error) {
	var client models.Client
	query := `SELECT id, username, password, nom, prenom, telephone, command, point, point_zipette, amende, created_at
	          FROM clients WHERE id = $1`

	err := d.QueryRow(query, id).Scan(
		&client.ID,
		&client.Username,
		&client.Password,
		&client.Nom,
		&client.Prenom,
		&client.Telephone,
		&client.Command,
		&client.Point,
		&client.PointZipette,
		&client.Amende,
		&client.CreatedAt,
	)

	if err == sql.ErrNoRows {
		return nil, fmt.Errorf("client non trouvé")
	}
	if err != nil {
		return nil, fmt.Errorf("erreur lors de la récupération du client: %w", err)
	}

	return &client, nil
}

// GetAllClients récupère tous les clients
func (d *Database) GetAllClients() ([]*models.Client, error) {
	query := `SELECT id, username, password, nom, prenom, telephone, command, point, point_zipette, amende, created_at
	          FROM clients ORDER BY created_at DESC`

	rows, err := d.Query(query)
	if err != nil {
		return nil, fmt.Errorf("erreur lors de la récupération des clients: %w", err)
	}
	defer rows.Close()

	var clients []*models.Client
	for rows.Next() {
		client := &models.Client{}
		err := rows.Scan(
			&client.ID,
			&client.Username,
			&client.Password,
			&client.Nom,
			&client.Prenom,
			&client.Telephone,
			&client.Command,
			&client.Point,
			&client.PointZipette,
			&client.Amende,
			&client.CreatedAt,
		)
		if err != nil {
			return nil, fmt.Errorf("erreur lors du scan du client: %w", err)
		}
		clients = append(clients, client)
	}

	if err = rows.Err(); err != nil {
		return nil, fmt.Errorf("erreur lors de l'itération des résultats: %w", err)
	}

	return clients, nil
}

// UpdateClient met à jour un client existant
func (d *Database) UpdateClient(client *models.Client) error {
	query := `UPDATE clients
	          SET username = $1, password = $2, nom = $3, prenom = $4, telephone = $5,
	              command = $6, point = $7, point_zipette = $8, amende = $9
	          WHERE id = $10`

	result, err := d.Exec(query,
		client.Username,
		client.Password,
		client.Nom,
		client.Prenom,
		client.Telephone,
		client.Command,
		client.Point,
		client.PointZipette,
		client.Amende,
		client.ID,
	)
	if err != nil {
		return fmt.Errorf("erreur lors de la mise à jour du client: %w", err)
	}

	rowsAffected, err := result.RowsAffected()
	if err != nil {
		return fmt.Errorf("erreur lors de la vérification des lignes affectées: %w", err)
	}

	if rowsAffected == 0 {
		return fmt.Errorf("client non trouvé")
	}

	log.Printf("✅ Client mis à jour: %s (ID: %d)", client.Username, client.ID)
	return nil
}

// DeleteClient supprime un client
func (d *Database) DeleteClient(id int) error {
	// ✅ MODIFIÉ : Supprimer tous les tokens du client avec le user_type "client"
	_ = d.RevokeAllUserTokens(id, "client")

	query := `DELETE FROM clients WHERE id = $1`

	result, err := d.Exec(query, id)
	if err != nil {
		return fmt.Errorf("erreur lors de la suppression du client: %w", err)
	}

	rowsAffected, err := result.RowsAffected()
	if err != nil {
		return fmt.Errorf("erreur lors de la vérification des lignes affectées: %w", err)
	}

	if rowsAffected == 0 {
		return fmt.Errorf("client non trouvé")
	}

	log.Printf("✅ Client supprimé (ID: %d)", id)
	return nil
}

// UpdateClientPassword met à jour le mot de passe d'un client
func (d *Database) UpdateClientPassword(clientID int, hashedPassword string) error {
	query := `UPDATE clients SET password = $1 WHERE id = $2`

	result, err := d.Exec(query, hashedPassword, clientID)
	if err != nil {
		return fmt.Errorf("erreur lors de la mise à jour du mot de passe: %w", err)
	}

	rowsAffected, err := result.RowsAffected()
	if err != nil {
		return fmt.Errorf("erreur lors de la vérification: %w", err)
	}

	if rowsAffected == 0 {
		return fmt.Errorf("client non trouvé")
	}

	log.Printf("✅ Mot de passe client mis à jour (ID: %d)", clientID)
	return nil
}

// UpdateClientPasswordAndClearFlag met à jour le mot de passe et remet must_change_password à false
func (d *Database) UpdateClientPasswordAndClearFlag(clientID int, hashedPassword string) error {
	query := `UPDATE clients SET password = $1, must_change_password = FALSE, updated_at = CURRENT_TIMESTAMP WHERE id = $2`

	result, err := d.Exec(query, hashedPassword, clientID)
	if err != nil {
		return fmt.Errorf("erreur lors de la mise à jour du mot de passe: %w", err)
	}

	rowsAffected, err := result.RowsAffected()
	if err != nil {
		return fmt.Errorf("erreur lors de la vérification: %w", err)
	}

	if rowsAffected == 0 {
		return fmt.Errorf("client non trouvé")
	}

	log.Printf("✅ Mot de passe client mis à jour + must_change_password=false (ID: %d)", clientID)
	return nil
}

// GetClientStats récupère les statistiques d'un client
func (d *Database) GetClientStats(clientID int) (map[string]interface{}, error) {
	client, err := d.GetClientByID(clientID)
	if err != nil {
		return nil, err
	}

	// Compter les commandes du client
	var totalCommands, pendingCommands, completedCommands int

	countQuery := `SELECT
		COUNT(*) as total,
		SUM(CASE WHEN status = 'pending' OR status = 'support' OR status = 'livre' THEN 1 ELSE 0 END) as pending,
		SUM(CASE WHEN status = 'approved' THEN 1 ELSE 0 END) as completed
		FROM commandes WHERE username = $1`

	err = d.QueryRow(countQuery, client.Username).Scan(&totalCommands, &pendingCommands, &completedCommands)
	if err != nil {
		log.Printf("⚠️  Erreur calcul stats: %v", err)
		totalCommands, pendingCommands, completedCommands = 0, 0, 0
	}

	stats := map[string]interface{}{
		"id":                 clientID,
		"username":           client.Username,
		"nom":                client.Nom,
		"prenom":             client.Prenom,
		"telephone":          client.Telephone,
		"total_commands":     totalCommands,
		"pending_commands":   pendingCommands,
		"completed_commands": completedCommands,
		"points":             client.Point,
		"points_zipette":     client.PointZipette,
		"amende":             client.Amende,
		"member_since":       client.CreatedAt,
	}

	return stats, nil
}

func (d *Database) GetClientAmende(username string) (float64, error) {
	var amende float64
	query := `SELECT COALESCE(amende, 0) FROM clients WHERE username = $1`

	err := d.QueryRow(query, username).Scan(&amende)
	if err != nil {
		log.Printf("❌ [GetClientAmende] Erreur pour %s: %v", username, err)
		return 0, fmt.Errorf("erreur récupération pénalités: %w", err)
	}

	log.Printf("💰 [GetClientAmende] Client %s: %.2f points", username, amende)
	return amende, nil
}

func (d *Database) PayClientPenalties(username string, amountPaid float64) error {
	log.Printf("💳 [PayClientPenalties] Paiement de %.2f points pour %s", amountPaid, username)

	// Vérifier le montant actuel
	currentAmount, err := d.GetClientAmende(username)
	if err != nil {
		return err
	}

	if currentAmount <= 0 {
		return fmt.Errorf("aucune pénalité à payer")
	}

	if amountPaid < currentAmount {
		return fmt.Errorf("montant insuffisant: %.2f payé, %.2f requis", amountPaid, currentAmount)
	}

	// Réinitialiser les pénalités
	query := `UPDATE clients
	          SET amende = 0, updated_at = CURRENT_TIMESTAMP
	          WHERE username = $1`

	result, err := d.Exec(query, username)
	if err != nil {
		log.Printf("❌ [PayClientPenalties] Erreur UPDATE: %v", err)
		return fmt.Errorf("erreur paiement pénalités: %w", err)
	}

	rowsAffected, err := result.RowsAffected()
	if err != nil {
		return fmt.Errorf("erreur vérification: %w", err)
	}
	if rowsAffected == 0 {
		return fmt.Errorf("client non trouvé")
	}

	log.Printf("✅ [PayClientPenalties] Pénalités réglées pour %s", username)

	// Invalider le cache Redis du client
	cacheKey := fmt.Sprintf("client:%s", username)
	Redis.Del(RedisCtx, cacheKey)

	return nil
}

// IncrementClientCommandCount incrémente le compteur de commandes du client
func (d *Database) IncrementClientCommandCount(username string) error {
	query := `UPDATE clients
	          SET command = command + 1
	          WHERE username = $1`

	result, err := d.Exec(query, username)
	if err != nil {
		return fmt.Errorf("erreur lors de l'incrémentation du compteur: %w", err)
	}

	rowsAffected, err := result.RowsAffected()
	if err != nil {
		return fmt.Errorf("erreur lors de la vérification: %w", err)
	}
	if rowsAffected == 0 {
		return fmt.Errorf("client non trouvé")
	}

	return nil
}

// ✅ NOUVELLE FONCTION: Ajouter des points selon la catégorie
func (d *Database) AddClientPointsByCategory(username string, points int, category string) error {
	var query string

	if category == "zipette&co" {
		query = `UPDATE clients
		          SET point_zipette = point_zipette + $1
		          WHERE username = $2`
		log.Printf("🎁 [ADD_POINTS] Ajout de %d points ZIPETTE à %s", points, username)
	} else {
		query = `UPDATE clients
		          SET point = point + $1
		          WHERE username = $2`
		log.Printf("🎁 [ADD_POINTS] Ajout de %d points WEED/HASH à %s", points, username)
	}

	result, err := d.Exec(query, points, username)
	if err != nil {
		return fmt.Errorf("erreur lors de l'ajout de points: %w", err)
	}

	rowsAffected, err := result.RowsAffected()
	if err != nil {
		return fmt.Errorf("erreur lors de la vérification: %w", err)
	}
	if rowsAffected == 0 {
		return fmt.Errorf("client non trouvé")
	}

	log.Printf("✅ %d points (%s) ajoutés au client %s (EN DB)", points, category, username)
	return nil
}

// ✅ ANCIENNE FONCTION CONSERVÉE POUR COMPATIBILITÉ (utilise weed/hash par défaut)
func (d *Database) AddClientPoints(username string, points int) error {
	return d.AddClientPointsByCategory(username, points, "weed_hash")
}

func (d *Database) GetClientByTelephone(telephone string) (*models.Client, error) {
	client := &models.Client{}
	query := `SELECT id, username, password, nom, prenom, telephone, command, point, point_zipette, amende, created_at
	          FROM clients WHERE telephone = $1`

	err := d.QueryRow(query, telephone).Scan(
		&client.ID,
		&client.Username,
		&client.Password,
		&client.Nom,
		&client.Prenom,
		&client.Telephone,
		&client.Command,
		&client.Point,
		&client.PointZipette,
		&client.Amende,
		&client.CreatedAt,
	)

	if err == sql.ErrNoRows {
		return nil, nil
	}
	if err != nil {
		return nil, fmt.Errorf("erreur lors de la récupération du client: %w", err)
	}

	return client, nil
}

// GetClientByUsername récupère un client par son username
func (d *Database) GetClientByUsername(username string) (*models.Client, error) {
	client := &models.Client{}
	query := `SELECT id, username, password, nom, prenom, telephone, command, point, point_zipette, amende, must_change_password, created_at
	          FROM clients WHERE username = $1`

	err := d.QueryRow(query, username).Scan(
		&client.ID,
		&client.Username,
		&client.Password,
		&client.Nom,
		&client.Prenom,
		&client.Telephone,
		&client.Command,
		&client.Point,
		&client.PointZipette,
		&client.Amende,
		&client.MustChangePassword,
		&client.CreatedAt,
	)

	if err == sql.ErrNoRows {
		return nil, nil
	}
	if err != nil {
		return nil, fmt.Errorf("erreur lors de la récupération du client: %w", err)
	}

	return client, nil
}

func (d *Database) GetClientPenaltiesInfo(username string) (map[string]interface{}, error) {
	// Récupérer le montant des pénalités
	amende, err := d.GetClientAmende(username)
	if err != nil {
		return nil, err
	}

	// Récupérer le nombre d'annulations
	cancellationsCount, err := d.GetClientCancellationsCount(username)
	if err != nil {
		log.Printf("⚠️ [GetClientPenaltiesInfo] Erreur récup annulations: %v", err)
		cancellationsCount = 0
	}

	// Récupérer l'historique d'annulations
	cancellationHistory, err := d.GetClientCancellationHistory(username)
	if err != nil {
		log.Printf("⚠️ [GetClientPenaltiesInfo] Erreur récup historique: %v", err)
		cancellationHistory = map[string]interface{}{
			"cancellations_count": cancellationsCount,
			"next_penalty":        20,
		}
	}

	info := map[string]interface{}{
		"username":             username,
		"total_penalty":        amende,
		"cancellations_count":  cancellationsCount,
		"cancellation_history": cancellationHistory,
		"has_penalties":        amende > 0,
	}

	return info, nil
}

// CheckClientCanOrder vérifie si un client peut passer commande (pas de pénalités impayées)
func (d *Database) CheckClientCanOrder(username string) (bool, float64, error) {
	amende, err := d.GetClientAmende(username)
	if err != nil {
		return false, 0, err
	}

	if amende > 0 {
		log.Printf("⚠️ [CheckClientCanOrder] Client %s bloqué: %.2f points de pénalités", username, amende)
		return false, amende, fmt.Errorf("pénalités impayées: %.2f points", amende)
	}

	return true, 0, nil
}

func (d *Database) ResetClientPoint(username string, resetCancellationsPoint bool) error {
	var query string
	if resetCancellationsPoint {
		query = `UPDATE clients SET point = 0, point_zipette = 0, updated_at = CURRENT_TIMESTAMP WHERE username = $1`
	} else {
		query = `UPDATE clients SET point = 0, updated_at = CURRENT_TIMESTAMP WHERE username = $1`
	}

	result, err := d.Exec(query, username)
	if err != nil {
		log.Printf("❌ [ResetClientPointAdmin] Erreur UPDATE: %v", err)
		return fmt.Errorf("erreur reset points: %w", err)
	}

	rowsAffected, err := result.RowsAffected()
	if err != nil {
		return fmt.Errorf("erreur vérification: %w", err)
	}
	if rowsAffected == 0 {
		return fmt.Errorf("client non trouvé")
	}

	// Invalider le cache Redis du client
	cacheKey := fmt.Sprintf("client:%s", username)
	Redis.Del(RedisCtx, cacheKey)

	return nil
}

func (d *Database) ResetClientPenalties(username string, resetCancellationsCount bool) error {
	log.Printf("🔄 [ResetClientPenalties] Reset pour %s (reset_count=%v)", username, resetCancellationsCount)

	var query string
	if resetCancellationsCount {
		query = `UPDATE clients
		         SET amende = 0,
		             cancellations_count = 0,
		             updated_at = CURRENT_TIMESTAMP
		         WHERE username = $1`
	} else {
		query = `UPDATE clients
		         SET amende = 0,
		             updated_at = CURRENT_TIMESTAMP
		         WHERE username = $1`
	}

	result, err := d.Exec(query, username)
	if err != nil {
		log.Printf("❌ [ResetClientPenalties] Erreur UPDATE: %v", err)
		return fmt.Errorf("erreur reset pénalités: %w", err)
	}

	rowsAffected, err := result.RowsAffected()
	if err != nil {
		return fmt.Errorf("erreur vérification: %w", err)
	}
	if rowsAffected == 0 {
		return fmt.Errorf("client non trouvé")
	}

	// Invalider le cache Redis du client
	cacheKey := fmt.Sprintf("client:%s", username)
	Redis.Del(RedisCtx, cacheKey)

	return nil
}

func (d *Database) GetAllClientsWithPenalties() ([]map[string]interface{}, error) {
	query := `
		SELECT username, amende, COALESCE(cancellations_count, 0) as cancellations_count, updated_at
		FROM clients
		WHERE amende > 0
		ORDER BY amende DESC
	`

	rows, err := d.Query(query)
	if err != nil {
		log.Printf("❌ [GetAllClientsWithPenalties] Erreur query: %v", err)
		return nil, fmt.Errorf("erreur récupération clients: %w", err)
	}
	defer rows.Close()

	var clients []map[string]interface{}
	for rows.Next() {
		var username string
		var amende float64
		var cancellationsCount int
		var updatedAt interface{}

		err := rows.Scan(&username, &amende, &cancellationsCount, &updatedAt)
		if err != nil {
			log.Printf("⚠️ [GetAllClientsWithPenalties] Erreur scan: %v", err)
			continue
		}

		clients = append(clients, map[string]interface{}{
			"username":            username,
			"total_penalty":       amende,
			"cancellations_count": cancellationsCount,
			"last_updated":        updatedAt,
		})
	}

	log.Printf("📊 [GetAllClientsWithPenalties] %d clients avec pénalités", len(clients))

	return clients, nil
}

func (d *Database) GetClientPenaltiesStats() (map[string]interface{}, error) {
	query := `
		SELECT
			COUNT(CASE WHEN amende > 0 THEN 1 END) as clients_with_penalties,
			COALESCE(SUM(amende), 0) as total_penalties,
			COALESCE(AVG(amende), 0) as avg_penalty,
			COALESCE(MAX(amende), 0) as max_penalty,
			COUNT(*) as total_clients
		FROM clients
	`

	var stats struct {
		ClientsWithPenalties int
		TotalPenalties       float64
		AvgPenalty           float64
		MaxPenalty           float64
		TotalClients         int
	}

	err := d.QueryRow(query).Scan(
		&stats.ClientsWithPenalties,
		&stats.TotalPenalties,
		&stats.AvgPenalty,
		&stats.MaxPenalty,
		&stats.TotalClients,
	)
	if err != nil {
		log.Printf("❌ [GetClientPenaltiesStats] Erreur: %v", err)
		return nil, fmt.Errorf("erreur récupération stats: %w", err)
	}

	result := map[string]interface{}{
		"clients_with_penalties": stats.ClientsWithPenalties,
		"total_penalties":        stats.TotalPenalties,
		"average_penalty":        stats.AvgPenalty,
		"max_penalty":            stats.MaxPenalty,
		"total_clients":          stats.TotalClients,
	}

	log.Printf("📊 [GetClientPenaltiesStats] Stats: %d/%d clients avec pénalités",
		stats.ClientsWithPenalties, stats.TotalClients)

	return result, nil
}

// ✅ FONCTION MODIFIÉE: Calculer les points sans cumuler entre catégories
// À remplacer dans db/clients.go à partir de la ligne 498

// À remplacer dans db/clients.go

func (d *Database) CalculatePointsForCommand(commandID int) (int, string, error) {
	query := `
		SELECT p.category, ci.prix, ci.quantite
		FROM command_items ci
		JOIN products p ON ci.product_id = p.id
		WHERE ci.command_id = $1
	`

	rows, err := d.Query(query, commandID)
	if err != nil {
		return 0, "", fmt.Errorf("erreur récupération items: %w", err)
	}
	defer rows.Close()

	zipetteTotal := 0.0
	weedTotal := 0.0
	grosSemiTotal := 0.0

	for rows.Next() {
		var category string
		var prix float64
		var quantite int

		if err := rows.Scan(&category, &prix, &quantite); err != nil {
			log.Printf("⚠️ Erreur scan item: %v", err)
			continue
		}

		itemTotal := prix // Prix déjà calculé pour la quantité
		categoryLower := strings.ToLower(category)

		if categoryLower == "zipette&co" || categoryLower == "zipette_co" {
			zipetteTotal += itemTotal
		} else if categoryLower == "gros&semi" || categoryLower == "gros_semi" {
			grosSemiTotal += itemTotal
		} else {
			weedTotal += itemTotal
		}
	}

	log.Printf("💰 [CALC_POINTS] Cmd %d - Zipette: %.2f€, Weed: %.2f€, GrosSemi: %.2f€",
		commandID, zipetteTotal, weedTotal, grosSemiTotal)

	// ✅ CALCUL POINTS WEED&HASH
	weedPoints := 0
	if weedTotal > 0 {
		switch {
		case weedTotal >= 30 && weedTotal <= 50:
			weedPoints = 1
		case weedTotal >= 60 && weedTotal <= 150:
			weedPoints = 2
		case weedTotal >= 160 && weedTotal <= 300:
			weedPoints = 3
		case weedTotal >= 310 && weedTotal <= 400:
			weedPoints = 5
		case weedTotal >= 400:
			weedPoints = 10
		}
		if weedPoints > 0 {
			log.Printf("🎁 [CALC_POINTS] Weed: %.2f€ → %d points", weedTotal, weedPoints)
		}
	}

	// ✅ CALCUL POINTS ZIPETTE&CO
	zipettePoints := 0
	if zipetteTotal > 0 {
		switch {
		case zipetteTotal >= 30 && zipetteTotal <= 100:
			zipettePoints = 1
		case zipetteTotal >= 110 && zipetteTotal <= 200:
			zipettePoints = 2
		case zipetteTotal >= 210:
			zipettePoints = 3
		}
		if zipettePoints > 0 {
			log.Printf("🎁 [CALC_POINTS] Zipette: %.2f€ → %d points", zipetteTotal, zipettePoints)
		}
	}

	totalPoints := zipettePoints + weedPoints

	if totalPoints == 0 {
		if grosSemiTotal > 0 && zipetteTotal == 0 && weedTotal == 0 {
			log.Printf("ℹ️ [CALC_POINTS] Cmd %d - Catégorie GROS&SEMI uniquement (%.2f€) → 0 points",
				commandID, grosSemiTotal)
			return 0, "gros&semi", nil
		}
		log.Printf("ℹ️ [CALC_POINTS] Cmd %d - Aucun montant éligible aux points", commandID)
		return 0, "unknown", nil
	}

	var dominantCategory string
	if zipetteTotal >= weedTotal {
		dominantCategory = "zipette&co"
	} else {
		dominantCategory = "weed&hash"
	}

	log.Printf("✅ [CALC_POINTS] Cmd %d - Total: %d points (Zipette: %d, Weed: %d)",
		commandID, totalPoints, zipettePoints, weedPoints)

	return totalPoints, dominantCategory, nil
}

// ✅ FONCTION CORRIGÉE: Calculer et ajouter les points séparément avec le BON BARÈME
func (d *Database) CalculateAndAddPointsForCommand(commandID int, username string) (int, error) {
	query := `
		SELECT p.category, ci.prix, ci.quantite
		FROM command_items ci
		JOIN products p ON ci.product_id = p.id
		WHERE ci.command_id = $1
	`

	rows, err := d.Query(query, commandID)
	if err != nil {
		return 0, fmt.Errorf("erreur récupération items: %w", err)
	}
	defer rows.Close()

	zipetteTotal := 0.0
	weedTotal := 0.0
	grosSemiTotal := 0.0

	for rows.Next() {
		var category string
		var prix float64
		var quantite int

		if err := rows.Scan(&category, &prix, &quantite); err != nil {
			log.Printf("⚠️ Erreur scan item: %v", err)
			continue
		}

		// ✅ prix contient déjà le total pour la quantité
		itemTotal := prix
		categoryLower := strings.ToLower(category)

		if categoryLower == "zipette&co" || categoryLower == "zipette_co" {
			zipetteTotal += itemTotal
		} else if categoryLower == "gros&semi" || categoryLower == "gros_semi" {
			grosSemiTotal += itemTotal
		} else {
			weedTotal += itemTotal
		}
	}

	log.Printf("💰 [CALC_POINTS] Cmd %d - Zipette: %.2f€, Weed: %.2f€, GrosSemi: %.2f€",
		commandID, zipetteTotal, weedTotal, grosSemiTotal)

	// ✅ CALCUL POINTS WEED&HASH - NOUVEAU BARÈME
	// De 30 à 50€ -> 1 point
	// De 60 à 150€ -> 2 points
	// De 160 à 300€ -> 3 points
	// De 310 à 400€ -> 5 points
	// 400€ et + -> 10 points
	weedPoints := 0
	if weedTotal > 0 {
		switch {
		case weedTotal >= 30 && weedTotal <= 50:
			weedPoints = 1
		case weedTotal >= 60 && weedTotal <= 150:
			weedPoints = 2
		case weedTotal >= 160 && weedTotal <= 300:
			weedPoints = 3
		case weedTotal >= 310 && weedTotal <= 400:
			weedPoints = 5
		case weedTotal >= 400:
			weedPoints = 10
		}
		if weedPoints > 0 {
			log.Printf("🎁 [CALC_POINTS] Weed: %.2f€ → %d points", weedTotal, weedPoints)
		}
	}

	// ✅ CALCUL POINTS ZIPETTE&CO - NOUVEAU BARÈME
	// De 30 à 100€ -> 1 point
	// De 110 à 200€ -> 2 points  (je suppose que c'est 110 et non 1100)
	// De 210€ et + -> 3 points
	zipettePoints := 0
	if zipetteTotal > 0 {
		switch {
		case zipetteTotal >= 30 && zipetteTotal <= 100:
			zipettePoints = 1
		case zipetteTotal >= 110 && zipetteTotal <= 200:
			zipettePoints = 2
		case zipetteTotal >= 210:
			zipettePoints = 3
		}
		if zipettePoints > 0 {
			log.Printf("🎁 [CALC_POINTS] Zipette: %.2f€ → %d points", zipetteTotal, zipettePoints)
		}
	}

	totalPoints := 0

	// ✅ AJOUTER LES POINTS SÉPARÉMENT PAR CATÉGORIE
	if zipettePoints > 0 {
		if err := d.AddClientPointsByCategory(username, zipettePoints, "zipette&co"); err != nil {
			log.Printf("❌ Erreur ajout points Zipette: %v", err)
		} else {
			totalPoints += zipettePoints
			log.Printf("✅ %d points ZIPETTE ajoutés à %s", zipettePoints, username)
		}
	}

	if weedPoints > 0 {
		if err := d.AddClientPointsByCategory(username, weedPoints, "weed&hash"); err != nil {
			log.Printf("❌ Erreur ajout points Weed: %v", err)
		} else {
			totalPoints += weedPoints
			log.Printf("✅ %d points WEED ajoutés à %s", weedPoints, username)
		}
	}

	if totalPoints == 0 {
		if grosSemiTotal > 0 && zipetteTotal == 0 && weedTotal == 0 {
			log.Printf("ℹ️ [CALC_POINTS] Cmd %d - Catégorie GROS&SEMI uniquement → 0 points", commandID)
		} else {
			log.Printf("ℹ️ [CALC_POINTS] Cmd %d - Aucun point éligible (Weed: %.2f€, Zipette: %.2f€)",
				commandID, weedTotal, zipetteTotal)
		}
	}

	log.Printf("✅ [CALC_POINTS] Cmd %d - Total: %d points (Zipette: %d, Weed: %d)",
		commandID, totalPoints, zipettePoints, weedPoints)

	return totalPoints, nil
}

func (d *Database) CalculateAndAddPointsForCommandTx(tx *sql.Tx, commandID int, username string) (int, error) {
	log.Printf("💰 [CalcPointsTx] START - cmd=%d, user=%s", commandID, username)

	// ✅ ÉTAPE 1: Récupérer tous les items de la commande avec leurs catégories
	query := `
		SELECT ci.quantite, ci.prix, COALESCE(p.category, 'weed_hash') as category
		FROM command_items ci
		LEFT JOIN products p ON ci.product_id = p.id
		WHERE ci.command_id = $1
	`

	rows, err := tx.Query(query, commandID)
	if err != nil {
		log.Printf("❌ [CalcPointsTx] Erreur query items: %v", err)
		return 0, fmt.Errorf("erreur récupération items: %w", err)
	}
	defer rows.Close()

	type ItemPoints struct {
		Category string
		Quantite float64
		Prix     float64
	}

	var items []ItemPoints
	totalPrixWeedHash := 0.0
	totalPrixZipette := 0.0

	for rows.Next() {
		var item ItemPoints
		if err := rows.Scan(&item.Quantite, &item.Prix, &item.Category); err != nil {
			log.Printf("❌ [CalcPointsTx] Erreur scan: %v", err)
			return 0, fmt.Errorf("erreur lecture item: %w", err)
		}

		items = append(items, item)

		// Cumuler par catégorie
		categoryLower := strings.ToLower(item.Category)
		if categoryLower == "zipette&co" || categoryLower == "zipette_co" {
			totalPrixZipette += item.Prix
		} else if categoryLower == "gros&semi" || categoryLower == "gros_semi" {
			// gros&semi → 0 points, on ne cumule pas
		} else {
			// weed_hash ou autres catégories
			totalPrixWeedHash += item.Prix
		}
	}

	if err = rows.Err(); err != nil {
		log.Printf("❌ [CalcPointsTx] Erreur rows: %v", err)
		return 0, fmt.Errorf("erreur itération items: %w", err)
	}

	if len(items) == 0 {
		log.Printf("⚠️ [CalcPointsTx] Aucun item trouvé pour cmd %d", commandID)
		return 0, nil
	}

	log.Printf("📊 [CalcPointsTx] %d items - weed_hash: %.2f€, zipette: %.2f€",
		len(items), totalPrixWeedHash, totalPrixZipette)

	// ✅ ÉTAPE 2: Calculer les points par catégorie avec le bon barème
	pointsWeedHash := 0
	switch {
	case totalPrixWeedHash >= 30 && totalPrixWeedHash <= 50:
		pointsWeedHash = 1
	case totalPrixWeedHash >= 60 && totalPrixWeedHash <= 150:
		pointsWeedHash = 2
	case totalPrixWeedHash >= 160 && totalPrixWeedHash <= 300:
		pointsWeedHash = 3
	case totalPrixWeedHash >= 310 && totalPrixWeedHash <= 400:
		pointsWeedHash = 5
	case totalPrixWeedHash >= 400:
		pointsWeedHash = 10
	}

	pointsZipette := 0
	switch {
	case totalPrixZipette >= 30 && totalPrixZipette <= 100:
		pointsZipette = 1
	case totalPrixZipette >= 110 && totalPrixZipette <= 200:
		pointsZipette = 2
	case totalPrixZipette >= 210:
		pointsZipette = 3
	}

	totalPoints := pointsWeedHash + pointsZipette

	log.Printf("💰 [CalcPointsTx] Points calculés - weed_hash: %d, zipette: %d, total: %d",
		pointsWeedHash, pointsZipette, totalPoints)

	// ✅ ÉTAPE 3: Mettre à jour les points du client (dans la transaction)
	if pointsWeedHash > 0 || pointsZipette > 0 {
		updateQuery := `
			UPDATE clients
			SET
				point = point + $1,
				point_zipette = point_zipette + $2,
				updated_at = CURRENT_TIMESTAMP
			WHERE username = $3
		`

		result, err := tx.Exec(updateQuery, pointsWeedHash, pointsZipette, username)
		if err != nil {
			log.Printf("❌ [CalcPointsTx] Erreur UPDATE points: %v", err)
			return 0, fmt.Errorf("erreur mise à jour points: %w", err)
		}

		rows, _ := result.RowsAffected()
		if rows == 0 {
			log.Printf("⚠️ [CalcPointsTx] Client %s non trouvé", username)
			return 0, fmt.Errorf("client non trouvé")
		}

		log.Printf("✅ [CalcPointsTx] Points ajoutés: +%d weed_hash, +%d zipette pour %s",
			pointsWeedHash, pointsZipette, username)
	}

	log.Printf("🎉 [CalcPointsTx] SUCCÈS - Total %d points attribués", totalPoints)

	return totalPoints, nil
}

func (d *Database) CanUserAccessCommand(
	commandID int,
	username string,
	role string,
) (bool, error) {

	// 👑 Admin : accès total
	if role == "admin" {
		return true, nil
	}

	var exists bool

	// 🚚 Livreur : seulement commandes assignées
	if role == "livreur" {
		err := d.QueryRow(`
			SELECT EXISTS(
				SELECT 1 FROM commandes
				WHERE id = $1 AND livreur_assign = $2
			)
		`, commandID, username).Scan(&exists)
		return exists, err
	}

	// 👤 User : seulement SES commandes
	err := d.QueryRow(`
		SELECT EXISTS(
			SELECT 1 FROM commandes
			WHERE id = $1 AND username = $2
		)
	`, commandID, username).Scan(&exists)

	return exists, err
}

// SaveClientPushToken enregistre le push token Expo d'un client
func (d *Database) SaveClientPushToken(clientID int, pushToken string) error {
	_, err := d.Exec(`UPDATE clients SET push_token = $1 WHERE id = $2`, pushToken, clientID)
	return err
}

// DeleteClientPushToken supprime le push token d'un client
func (d *Database) DeleteClientPushToken(clientID int) error {
	_, err := d.Exec(`UPDATE clients SET push_token = NULL WHERE id = $1`, clientID)
	return err
}

// GetClientPushToken retourne le push token d'un client par son username
func (d *Database) GetClientPushToken(username string) (string, error) {
	var token string
	err := d.QueryRow(`SELECT COALESCE(push_token, '') FROM clients WHERE username = $1`, username).Scan(&token)
	return token, err
}