import FluentKit
import Foundation

/// A FluentKit model of a single `messages` row: something said, an offer made, or an event stamped into a conversation.
final class MessageRecord: Model, @unchecked Sendable {

    // MARK: Properties

    static let schema = "messages"

    @ID(key: .id)
    var id: UUID?

    @Parent(key: "conversation_id")
    var conversation: ConversationRecord

    /// Who wrote the message, made the offer, or caused the event.
    @Parent(key: "sender_id")
    var sender: UserRecord

    @Field(key: "kind")
    var kind: String

    @Field(key: "body")
    var body: String

    @OptionalParent(key: "offer_id")
    var offer: OfferRecord?

    @OptionalField(key: "sale_number")
    var saleNumber: Int?

    @Field(key: "created_at")
    var createdAt: Date

    // MARK: Initializers

    init() {}

    init(
        conversationID: UUID,
        senderID: UUID,
        kind: Conversation.Entry.Kind,
        body: String,
        offerID: UUID? = nil,
        saleNumber: Int? = nil,
        at date: Date
    ) {
        self.$conversation.id = conversationID
        self.$sender.id = senderID
        self.kind = kind.rawValue
        self.body = body
        self.$offer.id = offerID
        self.saleNumber = saleNumber
        self.createdAt = date
    }

}