import Foundation
import Persistence

extension Date {
    /// The moment the trade stubs are stamped at: 23 September 2026, 09:14 in Amsterdam.
    static let stub = Date(timeIntervalSince1970: 1_790_147_640)
}

extension User {
    /// The demo buyer.
    static let mara = User(id: .init(), email: "mara.v@example.com", displayName: "Mara Visser")
    /// The demo seller, owner of the stub shop.
    static let joost = User(id: .init(), email: "joost@kestrelrow.example", displayName: "Joost de Wit")
}

extension Offer {
    /// An offer of €215 by the demo buyer on the stub listing, open for another 47 hours unless told otherwise.
    static func stub(
        listing: Listing = .stub(),
        amountCents: Int = 21_500,
        status: Status = .open
    ) -> Self {
        .init(
            id: .init(uuidString: "00000000-0000-0000-0000-0000000000AA") ?? .init(),
            conversationID: .init(uuidString: "00000000-0000-0000-0000-0000000000CC") ?? .init(),
            listing: listing,
            buyer: .mara,
            amountCents: amountCents,
            status: status,
            createdAt: .stub.addingTimeInterval(-3_600),
            expiresAt: .stub.addingTimeInterval(47 * 3_600 + 60)
        )
    }
}

extension Sale {
    /// A sale of the stub listing at €215 + €6, agreed at the stub moment, as far along as told.
    static func stub(
        priceCents: Int = 21_500,
        paid: Bool = false,
        sent: Bool = false,
        received: Bool = false,
        buyerRating: Int? = nil,
        sellerRating: Int? = nil
    ) -> Self {
        .init(
            number: 48_213,
            conversationID: .init(uuidString: "00000000-0000-0000-0000-0000000000CC") ?? .init(),
            listing: .stub(soldAt: .stub),
            buyer: .mara,
            seller: .joost,
            priceCents: priceCents,
            askedCents: 24_000,
            shippingCents: 600,
            declared: .init(grade: "CGC 9.8 · cert 4312087-002", pageQuality: "White", printing: "First printing", notes: "Clean case."),
            agreedAt: .stub,
            paidAt: paid ? .stub.addingTimeInterval(360) : nil,
            paymentNote: paid ? "iDEAL" : nil,
            sentAt: sent ? .stub.addingTimeInterval(720) : nil,
            shippingNote: sent ? "DHL 3S123" : nil,
            receivedAt: received ? .stub.addingTimeInterval(1_080) : nil,
            buyerRating: buyerRating,
            sellerRating: sellerRating
        )
    }
}

extension Conversation {
    /// A conversation about the stub listing, seen from the given side, holding the given entries.
    static func stub(
        side: Side = .buying,
        listing: Listing? = .stub(),
        entries: [Entry] = [],
        unreadCount: Int = 0,
        saleNumber: Int? = nil
    ) -> Self {
        .init(
            id: .init(uuidString: "00000000-0000-0000-0000-0000000000CC") ?? .init(),
            buyer: .mara,
            shop: .stub(),
            listing: listing,
            side: side,
            entries: entries,
            unreadCount: unreadCount,
            saleNumber: saleNumber
        )
    }
}

extension Conversation.Entry {
    /// Something a party wrote at the stub moment.
    static func text(
        _ body: String,
        from sender: User
    ) -> Self {
        .init(kind: .text, sender: sender, body: body, createdAt: .stub)
    }
}