import Elementary
import Persistence

/// The seller's answer to an open offer: accept or decline, each a form.
struct AnswerOffer: HTML {

    // MARK: Properties

    /// The offer answered.
    let offer: Offer

    /// The path to return to afterwards; accepting leads to the sale record instead.
    let returnPath: String

    // MARK: Computed

    var body: some HTML {
        form(
            .class("answer"),
            .action(.Route.answer(offer: offer.id)),
            .method(.post)
        ) {
            input(
                .type(.hidden),
                .name("return"),
                .value(returnPath)
            )
            button(
                .class("button button--primary button--sm"),
                .type(.submit),
                .name("answer"),
                .custom(name: "value", value: "accept")
            ) {
                "Accept"
            }
            button(
                .class("button button--sm"),
                .type(.submit),
                .name("answer"),
                .custom(name: "value", value: "decline")
            ) {
                "Decline"
            }
        }
    }

}

// MARK: - Extensions

extension Offer.Status {

    // MARK: Computed

    /// The status in a word.
    var label: String {
        switch self {
        case .open: "Open"
        case .accepted: "Accepted"
        case .declined: "Declined"
        case .expired: "Expired"
        }
    }

    /// The chip colouring for the status.
    var tone: Chip.Tone {
        switch self {
        case .open: .warn
        case .accepted: .good
        case .declined: .bad
        case .expired: .neutral
        }
    }

}