# Event model representing nightlife events and events
# Manages event details, location data, and publication state
class Event < ApplicationRecord
  # Define states for Event lifecycle management
  # draft: Initial state when Event is being created
  # published: Event is visible to public and can be discovered
  # canceled: Event has been canceled by organizer
  # sold_out: Event has reached capacity and tickets are no longer available
  enum :state, {
    draft: 0,
    published: 1,
    canceled: 2,
    sold_out: 3
  }, default: :draft

  # === Relations ===
  belongs_to :user
  has_many :ticket_types
  has_many :tickets, through: :ticket_types

  # Validations for Event attributes
  # Basic information
  validates :name, presence: true, length: { minimum: 3, maximum: 100 }
  validates :slug, presence: true, length: { minimum: 3, maximum: 100 }
  validates :description, presence: true, length: { minimum: 10, maximum: 1000 }
  validates :state, presence: true, inclusion: { in: states.keys }
  validates :image, length: { maximum: 500 } # URL or path to image

  # Venue information
  validates :venue_name, presence: true, length: { maximum: 100 }
  validates :venue_address, presence: true, length: { maximum: 200 }

  # Geographic coordinates for map display
  validates :latitude, presence: true, numericality: {
    greater_than_or_equal_to: -90,
    less_than_or_equal_to: 90
  }
  validates :longitude, presence: true, numericality: {
    greater_than_or_equal_to: -180,
    less_than_or_equal_to: 180
  }

  # Scopes for querying events with common filters
  scope :featured, -> { where(featured: true) }  # Get featured events for homepage
  scope :published, -> { where(state: :published) }  # Get publicly visible events
  scope :search_by_name, ->(query) { where("name ILIKE ?", "%#{query}%") }  # Search by name (case-insensitive)

  # Scope for published events ordered by start time
  scope :upcoming, -> { published.where("start_time >= ?", Time.current).order(start_time: :asc) }

end