package telegram

import (
	"context"

	"gorm.io/gorm"
)

type Repository interface {
	Get(ctx context.Context) (*Settings, error)
	Update(ctx context.Context, s *Settings) error
}

type gormRepository struct {
	db *gorm.DB
}

func NewRepository(db *gorm.DB) Repository {
	return &gormRepository{db: db}
}

func (r *gormRepository) Get(ctx context.Context) (*Settings, error) {
	var s Settings
	if err := r.db.WithContext(ctx).First(&s, "id = 1").Error; err != nil {
		return nil, err
	}
	return &s, nil
}

func (r *gormRepository) Update(ctx context.Context, s *Settings) error {
	s.ID = 1
	updates := map[string]any{
		"enabled":          s.Enabled,
		"chat_id":          s.ChatID,
		"notify_new_order": s.NotifyNewOrder,
	}
	// bot_token is only overwritten when explicitly provided (see service.go):
	// a blank value in the update request means "keep the existing secret".
	if s.BotToken != "" {
		updates["bot_token"] = s.BotToken
	}
	return r.db.WithContext(ctx).Model(&Settings{}).Where("id = 1").Updates(updates).Error
}